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US 7,112,626 B1Granted
Polymer composition for use as aqueous floor adhesive
AssigneeBASF SE
InventorsPeter Fickeisen, Martin Meister, Bernd Reck, Dieter Urban, Eckehardt Wistuba, Thomas Koch, Georg Langhauser
Life of this patent
Estimating the term…
Abstract
An aqueous composition comprises a mixture of from 10 to 50% by weight of a polymer A) having a gel content of less than 40% by weight and a number-average molecular weight Mn of the soluble fractions of less than 30,000 and from 50 to 90% by weight of a filler B), the amounts by weight being based on the weight sum of the polymer and of the filler.
Claims40
A method of adhering a floor covering, comprising:
- applying an aqueous composition to said floor covering;
- and
- installing the floor covering,
- wherein said aqueous composition comprises:
- A) 10 to 50% by weight of a polymer having a gel content of 5 to 40% by weight and a number-average molecular weight, Mn, of a tetrahydrofuran-soluble fraction of less than 30,000, where said polymer comprises from 60 to 100% by weight of a C1- to C20-alkyl (meth)acrylate or mixture of at least two C1- to C20-alkyl (meth)acrylates, based on a total weight of said polymer, and
- B) 50 to 90% by weight of a filler;
- wherein the amount of said polymer and the amount of said filler are based on the weight sum of the polymer and of the filler;
- wherein said filler is selected from the group consisting of a chalk having an average particle diameter of from 2 to 50 μm, a quartz flour having an average particle diameter of from 3 to 50 μm and a combination thereof;
- and
- wherein said polymer optionally further comprises a monomer unit selected from the group consisting of a C1–C10-hydroxyalkyl (meth)acrylate, a (meth)acrylamide and its N—C1–C4-alkyl-substituted derivative, an ethylenically unsaturated carboxylic acid, a dicarboxylic acid, a monoester of a dicarboxylic acid and an anhydride of a dicarboxylic acid.
7 more elements
A method of bonding a substrate, comprising:
- applying an aqueous composition to said substrate;
- and
- bonding the substrate to a floor covering,
- wherein said aqueous composition comprises:
- A) 10 to 50% by weight of a polymer having a gel content of 5 to 40% by weight and a number-average molecular weight, Mn, of a tetrahydrofuran-soluble fraction of less than 30,000, where said polymer comprises from 60 to 100% by weight of a C1- to C20-alkyl (meth)acrylate or mixture of at least two C1- to C20-alkyl (meth)acrylates, based on a total weight of said polymer, and
- B) 50 to 90% by weight of a filler;
- wherein the amount of said polymer and the amount of said filler are based on the weight sum of the polymer and of the filler;
- wherein said filler is selected from the group consisting of a chalk having an average particle diameter of from 2 to 50 μm, a quartz flour having an average particle diameter of from 3 to 50 μm and a combination thereof;
- and
- wherein said polymer further comprises a monomer unit selected from the group consisting of a C1–C10-hydroxyalkyl (meth)acrylate, a (meth)acrylamide and its N—C1–C4-alkyl-substituted derivative, an ethylenically unsaturated carboxylic acid, a dicarboxylic acid, a monoester of a dicarboxylic acid and an anhydride of a dicarboxylic acid.
7 more elements
A method of adhering a floor covering, comprising:
- applying an aqueous composition to said floor covering;
- and
- installing the floor covering,
- wherein said aqueous composition comprises:
- A) 10 to 50% by weight of a polymer having a gel content of 5 to 40% by weight and a number-average molecular weight, Mn, of a tetrahydrofuran-soluble fraction of less than 30,000, where said polymer comprises from 60 to 100% by weight of a C1- to C20-alkyl (meth)acrylate or mixture of at least two C1- to C20-alkyl (meth)acrylates, based on a total weight of said polymer, and
- B) 50 to 90% by weight of a filler;
- wherein the amount of said polymer and the amount of said filler are based on the weight sum of the polymer and of the filler;
- wherein said filler is selected from the group consisting of a chalk having an average particle diameter of from 2 to 50 μm, a quartz flour having an average particle diameter of from 3 to 50 μm and a combination thereof;
- and
- wherein a content of a volatile organic compound having a boiling point at 1 bar of less than 300° C. is less than 0.5% by weight, based on said aqueous composition.
7 more elements
A method of bonding a substrate, comprising:
- applying an aqueous composition to said substrate;
- and
- bonding the substrate to a floor covering,
- wherein said aqueous composition comprises:
- A) 10 to 50% by weight of a polymer having a gel content of 5 to 40% by weight and a number-average molecular weight, Mn, of a tetrahydrofuran-soluble fraction of less than 30,000, where said polymer comprises from 60 to 100% by weight of a C1- to C20-alkyl (meth)acrylate or mixture of at least two C1- to C20-alkyl (meth)acrylates, based on a total weight of said polymer, and
- B) 50 to 90% by weight of a filler;
- wherein the amount of said polymer and the amount of said filler are based on the weight sum of the polymer and of the filler;
- wherein said filler is selected from the group consisting of a chalk having an average particle diameter of from 2 to 50 μm, a quartz flour having an average particle diameter of from 3 to 50 μm and a combination thereof;
- and
- wherein a content of a volatile organic compound having a boiling point at 1 bar of less than 300° C. is less than 0.5% by weight, based on said aqueous composition.
7 more elements
Dependencies are inferred from the claim text.