Environmentally Friendly Colorant Compositions and Latex Paints/Coatings

A colorant composition suitable as a precursor to an aqueous latex paint or other water-borne coating, which colorant composition comprises at least one pigment, water and a copolymer surfactant, which colorant composition is not itself an aqueous latex paint or other water-borne coating, which colorant composition is substantially free of collectively any volatile non-aqueous constituents, any alkylphyenol ethoxylates and derivatives thereof, any crystalline silica and any formaldehyde, and in which colorant composition the copolymer surfactant comprises moieties corresponding to the following monomers

• (a) from about 10% to about 80% by weight of at least one C3-C12 α,β-ethylenically unsaturated carboxylic acid or anhydride,
• (b) from about 10% to about 80% by weight of at least one C2-C12 α,β-ethylenically unsaturated vinyl monomer, and
• (c) from about 0.01% to about 20% by weight of at least one surfactant monomer, wherein each said surfactant monomer is either an acrylic or methacrylic ester moiety joined with a hydrophobic moiety by a bridging group comprising poly(ethyleneoxy) moiety,
• the colorant composition being capable of mitigating any change in the Stormer low-shear viscosity of an aqueous latex paint or other water-borne coating formed of a mixture comprising said colorant composition and a tint base, such that said Stormer low-shear viscosity of said paint or other coating is not substantially changed compared with the Stormer low-shear viscosity of the tint base, and the colorant composition being further capable of providing said paint or other coating in which flow/leveling is at least 8 and sag is at least 8, water sensitivity is at least 3, and color transfer is at least 3.

A colorant composition suitable as a precursor to an aqueous latex paint or other water-borne coating, which colorant composition comprises at least one pigment, water and a copolymer surfactant, which colorant composition is not itself an aqueous latex paint or other water-borne coating, which colorant composition is substantially entirely free of any volatile non-aqueous constituents, of any alkylphenol ethoxylates and derivatives thereof, of any crystalline silica and of any formaldehyde, and in which colorant composition the copolymer surfactant comprises moieties corresponding to the following monomers

• (a) from about 10% to about 80% by weight of at least one C3-C12 α,β-ethylenically unsaturated carboxylic acid or anhydride,
• (b) from about 10% to about 80% by weight of at least one C2-C12 α,β-ethylenically unsaturated vinyl monomer, and
• (c) from about 0.01% to about 20% by weight of at least one surfactant monomer, wherein each said surfactant monomer is either an acrylic or methacrylic ester moiety joined with a hydrophobic moiety by a bridging group comprising a poly(ethyleneoxy) moiety,
• the colorant composition being capable of mitigating any change in the Stormer low-shear viscosity of an aqueous latex paint or other water-borne coating formed of a mixture comprising said colorant composition and a tint base, such that said Stormer low-shear viscosity of said paint or other coating is not substantially changed compared with the Stormer low-shear viscosity of the tint base, and the colorant composition being further capable of providing said paint or other coating in which flow/leveling is at least 8 and sag is at least 8, water sensitivity is at least 3, and color transfer is at least 3.

An aqueous latex paint or other water-borne coating which comprises a mixture of a tint base and colorant composition containing at least one pigment, water and a copolymer surfactant, in which paint or other coating any volatile non-aqueous constituents are present in an amount no greater than 500 ppm by weight, any alkylphenol ethoxylates and derivatives thereof are present in an amount greater than 100 ppm by weight, any crystalline silica is present in an amount no greater than 100 ppm by weight, and any formaldehyde is present in an amount no greater than 5 ppm by weight, and in which said copolymer surfactant introduced via the colorant composition comprises moieties corresponding to the following monomers

• (a) from about 10% to about 80% by weight of at least one C3-C12 α,β-ethylenically unsaturated carboxylic acid or anhydride,
• (b) from about 10% to about 80% by weight of at least one C2-C12 α,β-ethylenically unsaturated vinyl monomer, and
• (c) from about 0.01% to about 20% by weight of at least one surfactant monomer, each said surfactant monomer of which is either an acrylic or methacrylic ester moiety joined with a hydrophobic moiety by a bridging group comprising a poly(ethyleneoxy) moiety;
• the Stormer low-shear viscosity of said paint or other coating, its formation by mixing of the colorant composition with the tint base notwithstanding, being not substantially changed compared with the Stormer low-shear viscosity of the tint base;
• flow/leveling being at least 8 and sag at least 8;
• water sensitivity being at least 3;
• and color transfer being at least 3.

An aqueous latex paint or other water-borne coating, which comprises a mixture of a tint base and a colorant composition containing at least one pigment, water and a copolymer surfactant, which paint or other coating is substantially free of collectively any volatile non-aqueous constituents, any alkylphenol ethoxylates and derivatives thereof, any crystalline silica and any formaldehyde, and in which the copolymer surfactant comprises moieties corresponding to the following monomers:

• (a) from about 10% to about 80% by weight of at least one C3-C12 α,β-ethylenically unsaturated carboxylic acid or anhydride,
• (b) from about 10% to about 80% by weight of at least one C2-C12, α,β-ethylenically unsaturated vinyl monomer, and
• (c) from about 0.01% to about 20% by weight of at least one surfactant monomer, each said surfactant monomer of which is either an acrylic or methacrylic ester moiety joined with a hydrophobic moiety by a bridging group comprising a poly(ethyleneoxy) moiety;
• the Stormer low-shear viscosity of said paint or other coating, its formation by mixing of the colorant composition with the tint base notwithstanding, being not substantially changed compared with the Stormer low-shear viscosity of the tint base;
• flow/leveling being at least 8 and sag at least 8;
• water sensitivity being at least 3;
• and color transfer being at least 3.

An aqueous latex paint or other water-borne coating, which comprises a mixture of a tint base and a colorant composition containing at least one pigment, water and a copolymer surfactant in which paint or other coating substantially entirely free of any volatile non-aqueous constituents, of any alkylphenol ethoxylates and derivatives thereof, of any crystalline silica and of any formaldehyde, and in which the copolymer surfactant comprises moieties corresponding to the following monomers

• (a) from about 10% to about 80% by weight of at least one C3-C12 α,β-ethylenically unsaturated carboxylic acid or anhydride,
• (b) from about 10% to about 80% by weight of at least one C2-C12 α,β-ethylenically unsaturated vinyl monomer, and
• (c) from about 0.01% to about 20% by weight of at least one surfactant monomer, each said surfactant monomer of which is either an acrylic or methacrylic ester moiety joined with a hydrophobic moiety by a bridging group comprising a poly(ethyleneoxy) moiety;
• the Stormer low-shear viscosity of said paint or other coating, its formation by mixing of the colorant composition with the tint base notwithstanding, being not substantially changed compared with the Stormer low-shear viscosity of the tint base;
• flow/leveling being at least 8 and sag at least 8;
• water sensitivity being at least 3;
• and color transfer being at least 3.

A colorant composition suitable as a precursor to an aqueous latex paint or other water-borne coating, which colorant composition comprises at least one pigment, water and a copolymer surfactant, which colorant composition is not itself an aqueous latex paint or other water-borne coating, which colorant composition is substantially free of HAPS, and in which colorant composition the copolymer surfactant comprises moieties corresponding to the following monomers

• (a) from about 10% to about 80% by weight of at least one C3-C12 α,β-ethylenically unsaturated carboxylic acid or anhydride,
• (b) from about 10% to about 80% by weight of at least one C2-C12 α,β-ethylenically unsaturated vinyl monomer, and
• (c) from about 0.01% to about 20% by weight of at least one surfactant monomer, wherein each said surfactant monomer is either an acrylic or methacrylic ester moiety joined with a hydrophobic moiety by a bridging group comprising poly(ethyleneoxy) moiety,
• the colorant composition being capable of mitigating any change in the Stormer low-shear viscosity of an aqueous latex paint or other water-borne coating formed of a mixture comprising said colorant composition and a tint base, such that said Stormer low-shear viscosity of said paint or other coating is not substantially changed compared with the Stormer low-shear viscosity of the tint base, and the colorant composition being further capable of providing said paint or other coating in which flow/leveling is at least 8 and sag is at least 8, water sensitivity is at least 3, and color transfer is at least 3.

An aqueous latex paint or other water-borne coating, which comprises a mixture of a tint base and a colorant composition containing at least one pigment, water and a copolymer surfactant, which paint or other coating is substantially free of HAPS, and in which the copolymer surfactant comprises moieties corresponding to the following monomers:

• (a) from about 10% to about 80% by weight of at least one C3-C12 α,β-ethylenically unsaturated carboxylic acid or anhydride,
• (b) from about 10% to about 80% by weight of at least one C2-C12 α,β-ethylenically unsaturated vinyl monomer, and
• (c) from about 0.01% to about 20% by weight of at least one surfactant monomer, each said surfactant monomer of which is either an acrylic or methacrylic ester moiety joined with a hydrophobic moiety by a bridging group comprising a poly(ethyleneoxy) moiety;
• the Stormer low-shear viscosity of said paint or other coating, its formation by mixing of the colorant composition with the tint base notwithstanding, being not substantially changed compared with the Stormer low-shear viscosity of the tint base;
• flow/leveling being at least 8 and sag at least 8;
• water sensitivity being at least 3;
• and color transfer being at least 3.