Water based printing inks for plastic and metal surfaces
First Claim
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1. A water based dispersion system for coating non-magnetic pigment particles onto a substrate comprising:
- water sufficient to form a dispersion, at least one adhesive plasticizer (Additive A), at least one adhesive polymer (Additive B), at least one surface active agent, and optionally a dispersing agent, at least one polymeric latex capable of binding pigment particles into a coating, wherein Additive A is of the general formula
space="preserve" listing-type="equation">Y--CO--NX--CH.sub.2 --Q and Y is selected from the group consisting of H, an akyl group of C1 -C4, an alkylene group of C2 -C3, an ethanol, propanol or isopropanol group, a 2-3 carbon ether group, and a C1 -C3 haloalkyl group, said halo selected from the group consisting of being chloro or fluoro, wherein X is H or CH3, and Q is selected from the group consisting of moieties of polyhydroxybenzene compounds, substituted or unsubstituted ortho, meta and para aminophenols and aromatic diamines,and wherein Additive B is a water soluble or dispersible polymer which was formed by the copolymerization of a first component which has at least 5% of its monomer constitutents being derived from a monomer selected from the group consisting of acrylamide and methacrylamide, and the balance being a second component of one or more vinyl monomers copolymerizable with said first component, thereby having yielded an amido copolymerizate,said amido copolymerizate having been further condensed with formaldehyde to the extent of from 5% to 95% of the amide groups, said condensed amido copolymerizate having been still further condensed with a member selected from the group consisting of a polyhydroxy aromatic compound, an amino hydroxy aromatic compound, or a diamino aromatic compound, andsufficient non-magnetic pigment particles of a size suitable for forming a dispersion, and compatible with the said polymeric latex.
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Abstract
Aqueous dispersion coatings as binders for pigments in the manufacture of printing inks for plastic films and for metal coils used in the production of stampings.
29 Citations
26 Claims
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1. A water based dispersion system for coating non-magnetic pigment particles onto a substrate comprising:
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water sufficient to form a dispersion, at least one adhesive plasticizer (Additive A), at least one adhesive polymer (Additive B), at least one surface active agent, and optionally a dispersing agent, at least one polymeric latex capable of binding pigment particles into a coating, wherein Additive A is of the general formula
space="preserve" listing-type="equation">Y--CO--NX--CH.sub.2 --Qand Y is selected from the group consisting of H, an akyl group of C1 -C4, an alkylene group of C2 -C3, an ethanol, propanol or isopropanol group, a 2-3 carbon ether group, and a C1 -C3 haloalkyl group, said halo selected from the group consisting of being chloro or fluoro, wherein X is H or CH3, and Q is selected from the group consisting of moieties of polyhydroxybenzene compounds, substituted or unsubstituted ortho, meta and para aminophenols and aromatic diamines, and wherein Additive B is a water soluble or dispersible polymer which was formed by the copolymerization of a first component which has at least 5% of its monomer constitutents being derived from a monomer selected from the group consisting of acrylamide and methacrylamide, and the balance being a second component of one or more vinyl monomers copolymerizable with said first component, thereby having yielded an amido copolymerizate, said amido copolymerizate having been further condensed with formaldehyde to the extent of from 5% to 95% of the amide groups, said condensed amido copolymerizate having been still further condensed with a member selected from the group consisting of a polyhydroxy aromatic compound, an amino hydroxy aromatic compound, or a diamino aromatic compound, and sufficient non-magnetic pigment particles of a size suitable for forming a dispersion, and compatible with the said polymeric latex. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 24, 25, 26)
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- 2. As a new composition for use in the pigmented particle coating of substrates from a water based composition, comprising a water soluble or water dispersible mixture of Additive A and Additive B, wherein Additive A is at least one adhesive plasticizer and Additive B is at least one adhesive polymer.
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18. A water based dispersion system for coating non-magnetic pigment particles onto a substrate comprising:
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I. water sufficient to form a dispersion, II. a dispersible non-magnetic pigment suitable for latex paints, III. an adhesive plasticizer, Additive A, prepared by the condensation reaction of N-hydroxymethyl acrylamide with a compound Y, IV. an adhesive binder Additive B, which binder is prepared by the condensation of polymers and copolymers of acylamide with about 0.25 molecular equivalent of a compound Y; wherein said compound Y is selected from the group consisting of polyhydroxy aromatics, the amino phenols and the aromatic diamines, V. a commercial latex selected from the soft and hard coating polymers of acrylic copolymers and polyurethanes, VI. a surfactant, VII. an optional dispersant. - View Dependent Claims (19, 20)
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21. A water based dispersion system for coating non-magnetic pigment particles onto a substrate comprising:
water sufficient to form a dispersion with all of the following;
a latex non-magnetic paint pigment, an adhesive plasticizer prepared by the condensation of N-hydroxymethyl acrylamide with an equivalent amount of resorcinol, an adhesive binder prepared by the condensation of a polyacrylamide with one-fourth the molecular equivalent of formaldehyde followed by further condensation with catechol, a polyurethane latex, a surfactant mixture of an oleic acid amide of diethanolamine and a salt of a complex amphoteric amino acid;
a dispersant of a salt of a low molecular weight polyacrylic acid and optionally anti-foam agent.- View Dependent Claims (22)
Specification