US 8,936,836 B2 · Method for coating metal surfaces using an aqueous compound having polymers, the aqueous compound, and use of the coated substrates

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

a) an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
b) at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
c) at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
d) from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
e) A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
g) water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

8 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
a crosslinker based on a member selected from the group consisting of an azo compound, diamine, diimide, formaldehyde, imidazole, isocyanate, isocyanurate, melamine, peroxide, triazine and triazole;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

8 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
a 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
an inorganic crosslinker;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1, wherein the inorganic crosslinker is selected from the group consisting of a boron-containing compound and a basic compound.

7 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
a 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
an inorganic crosslinker;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1, wherein the inorganic crosslinker is a basic compound selected from the group consisting of titanium, hafnium, ammonium and zirconium.

7 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether or polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried;
and
wherein the dried film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it,
wherein a ratio of wax to the organic film former is from 0.02:1 to 2:1.

9 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether or polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and cured;
and
wherein the dried and cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it,
wherein a ratio of wax to the organic film former is from 0.02:1 to 2:1.

9 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of wax to the organic film former is from 0.02:1 to 2:1, and wherein the organic film former is based on a member selected from the group consisting of epoxide, urea-formaldehyde, melamine-formaldehyde, (meth)acrylate, phenol, polyacrylic acid, polyether, polyethylene, polyethylenimine, polystyrene, polyvinyl and polyvinyl phenol.

7 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1, wherein the synthetic resin comprises a polymer, copolymer, block copolymer or graft copolymer based on a member selected from the group consisting of (meth)acrylate, ethylene (meth)acrylate or styrene (meth)acrylate.

7 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin blend in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1, wherein organic film former contains a synthetic resin blend, wherein the synthetic resin blend is based on a member selected from the group consisting of epoxide, urea-formaldehyde, melamine-formaldehyde, (meth)acrylate, phenol, polyacrylic acid, polyether, polyethylene, polyethylenimine, polystyrene, polyvinyl and polyvinyl phenol.

7 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 g/L to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
f) at least one organic corrosion inhibitor, at least one organic solvent or at least one additive;
and
g) water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

9 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 g/L to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one crosslinker which is based on a member selected from the group consisting of titanium, hafnium, zirconium, aziridine, an azo compound, diamine, diimide, formaldehyde, imidazole, isocyanate, isocyanurate, melamine, peroxide, triazine and triazole;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
f) optionally at least one organic corrosion inhibitor, at least one organic solvent or at least one additive;
and
g) water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

9 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 g/L to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one crosslinker is selected from the group consisting of a polycarbodiimine, a trifunctional polyaziridine, triazine and an alkoxyalkyl melamine;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
f) optionally at least one organic corrosion inhibitor, at least one organic solvent or at least one additive;
and
g) water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of wax to the organic film former is from 0.02:1 to 2:1.

9 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 g/L to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one crosslinker is selected from the group consisting of a titanium compound, a zirconium compound, a hafnium compound, a polycarbodiimine, a trifunctional polyaziridine, triazine and an alkoxyalkyl melamine;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
f) optionally at least one organic corrosion inhibitor, at least one organic solvent or at least one additive;
and
g) water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of wax to the organic film former is from 0.02:1 to 2:1.

9 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 150 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
a crosslinker based on a member selected from the group consisting of titanium, a hafnium, a zirconium, aziridine, an azo compound, diamine, diimide, formaldehyde, imidazole, isocyanate, isocyanurate, melamine, peroxide, triazine and triazole;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried;
and
wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

8 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
a crosslinker based on a member selected from the group consisting of titanium, hafnium, zirconium, diamine, diimide, formaldehyde, imidazole, isocyanate, isocyanurate, melamine, peroxide, triazine and triazole;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

8 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 375 g/L selected from the group consisting of a copolymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, and wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

8 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
a crosslinker based on a member selected from the group consisting of an azo compound, diamine, diimide, formaldehyde, imidazole, isocyanate, isocyanurate, melamine, peroxide, triazine and triazole;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

8 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
a 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of an ethylene glycol ether and a polypropylene glycol ether;
an inorganic crosslinker;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1, wherein the inorganic crosslinker is a boron-containing compound.

7 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
a 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
an inorganic crosslinker;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and optionally also cured;
and
wherein the dried and optionally also cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1, wherein the inorganic crosslinker is a basic compound selected from the group consisting of titanium, ammonium and zirconium.

7 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried;
and
wherein the dried film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it,
wherein a ratio of wax to the organic film former is from 0.02:1 to 2:1.

9 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin blend in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried;
and
wherein the dried film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1, wherein organic film former contains a synthetic resin blend, wherein the synthetic resin blend is based on a member selected from the group consisting of epoxide, (meth)acrylate, phenol, polyacrylic acid, polyether, polyethylene, polyethylenimine, polystyrene, polyvinyl and polyvinyl phenol.

7 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 g/L to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one inorganic crosslinker based on a member selected from the group consisting of titanium, hafnium and zirconium;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
f) optionally at least one organic corrosion inhibitor, at least one organic solvent or at least one additive;
and
g) water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is dried and cured;
and
wherein the dried and cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the dried and cured film and weighing it, wherein a ratio of wax to the organic film former is from 0.02:1 to 2:1.

9 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 g/L to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one crosslinker which is based on a member selected from the group consisting of titanium, hafnium, zirconium, aziridine, an azo compound, diamine, diimide, formaldehyde, imidazole, isocyanate, isocyanurate, melamine, peroxide, triazine and triazole,
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
at least one member selected from the group consisting of an organic corrosion inhibitor, at least one organic solvent and an additive;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and cured;
wherein the dried and cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it;
and
wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

10 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 g/L to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one crosslinker is selected from the group consisting of a polycarbodiimine, triazine and an alkoxyalkyl melamine;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
f) at least one organic corrosion inhibitor, at least one organic solvent or at least one additive;
and
g) water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and cured;
and
wherein the dried and cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it, wherein a ratio of the wax to the organic film former is from 0.02:1 to 2:1.

9 more elements

A process comprising coating a metallic surface with an aqueous composition to form a coated metal part, wherein the aqueous composition comprises:

an organic film former comprising at least one synthetic resin, wherein 70 to 100 wt. % of the content of synthetic resin in the organic film former comprises at least one water-soluble or water-dispersible synthetic resin in a content in the range of from 30 g/L to 375 g/L selected from the group consisting of a polymer, copolymer, block polymer and graft polymer;
wherein the water soluble or water-dispersible synthetic resin is based on a synthetic resin selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether and polystyrene, wherein the content of polycarbonate and polyurethane is at least 10 wt. % each and the content of polycarbonate and polyurethane together in the organic film former is at least 50 wt. %;
at least one 4 to 16 carbon long-chain alcohol as film-forming aid for the organic film former selected from the group consisting of a butanediol, an ethylene glycol ether and a polypropylene glycol ether;
at least one crosslinker is selected from the group consisting of a titanium compound, a zirconium compound, a hafnium compound, a polycarbodiimine, a trifunctional polyaziridine, triazine and an alkoxyalkyl melamine;
from 2 to 30 g/L of a wax, wherein the wax comprises a cationically stabilized oxidized polyethylene wax with a melting point of about 130° C., and an anionically stabilized paraffin wax with a melting point in the range from 56 to 80° C.;
A) at least one silane, silanol or siloxane or B) at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.3 μm;
at least one member selected from the group consisting of an organic corrosion inhibitor and an organic solvent;
and
water;
wherein the metallic surface is brought into contact with the aqueous composition and a substantially organic film is formed on the metallic surface, which is then dried and cured;
and
wherein the dried and cured film has a film thickness in the range from 0.01 to 10 μm, determined by detaching a defined area of the cured film and weighing it;
and
wherein a ratio of wax to the organic film former is from 0.02:1 to 2:1.

11 more elements

Method for coating metal surfaces using an aqueous compound having polymers, the aqueous compound, and use of the coated substrates

Life of this patent

Method for coating metal surfaces using an aqueous compound having polymers, the aqueous compound, and use of the coated substrates

Life of this patent

Abstract

Claims77