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EP0264897A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Water reducible acrylic polymer for printing of paper and polyvinyl chloride

Assignee: PPG Industries Ohio Inc
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Filing: 1987-10-20
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Granted: —
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Expires: 2007-10-20
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Abstract

Abstract Disclosed herein is an acrylic polymer containing an N-methylolamide group an amine group and an acid group; said polymer is useful in inks or varnishes that can be applied effectively to varied substrates such as paper and polyvinyl chloride.

Inventors

  • 👤 Jean Pierre Marthe

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-28 20:43
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/106; C09D11/107; C08; C08F; C08F220/00; C08F220/02; C08F220/04; C08F220/06; C08F220/10; C08F220/12; C08F220/14; C08F220/16; C08F220/18; C08F220/1804; C08F220/34; C08F220/52; C08F220/54; C08F220/58; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31909

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 51 words
An acrylic polymer comprising a copolymer which is derived from: (i) an ethylenically unsaturated monomer containing an N-methylolamide group, (ii) an ethylenically unsaturated monomer containing a carboxyl group, (iii) an ethylenically unsaturated monomer containing an amino group, and (iv) an ethylenically unsaturated monomer which is different from (i), (ii), and (iii).
Claim 2
Dependent Claim 51 words
An acrylic polymer comprising a copolymer which is derived from: (i) an ethylenically unsaturated monomer containing an N-methylolamide group, (ii) an ethylenically unsaturated monomer containing a carboxyl group, (iii) an ethylenically unsaturated monomer containing an amino group, and (iv) an ethylenically unsaturated monomer which is different from (i), (ii), and (iii).
Claim 3
Dependent Claim 17 words
An acrylic polymer of Claim 1, wherein the monomer is recited in (i) is N-methylolacrylamide or N-methylolmethacrylamide.
Claim 4
Dependent Claim 21 words
An acrylic polymer of Claim 1, wherein the monomer as recited in (ii) is acrylic acid, methacrylic acid, or itaconic acid.
Claim 5
Dependent Claim 23 words
An acrylic polymer as recited in Claim 1, wherein the monomer as recited in (iii) is aminoalkyl esters of acrylic or methacrylic acid.
Claim 6
Dependent Claim 33 words
An acrylic polymer of Claim 4, wherein the monomer as recited in (iii) is N,N-dimethyl amino-ethyl methacrylate, N,N-dimethyl amino-ethyl acrylate, N,N-diethyl amino-ethyl methacrylate, t-butyl amino-ethyl methacrylate, N-methyl-N-butyl amino-ethyl methacrylate or N,N-dimethyl amino-hexyl acrylate.
Claim 7
Dependent Claim 27 words
An acrylic polymer of Claim 1, wherein the monomer of (iv) is an ester of acrylic or methacrylic acid, acrylonitrile, styrene, acrylamide methacrylamide or a mixture thereof.
Claim 8
Dependent Claim 29 words
A process for preparing the acrylic polymer of Claim 1, comprising copolymerizing the ethylenically unsaturated monomers of Claim 1, by free radical initiated polymerization in a basic solvent medium.
Claim 9
Dependent Claim 18 words
A process of Claim 7, wherein the basic solvent medium comprises an organic solvent, water, and a base.
Claim 10
Dependent Claim 18 words
A process of Claim 8, wherein the organic solvent is alkylene glycol monoethyl ether or methyl ethyl ketone.
Claim 11
Dependent Claim 13 words
A process of Claim 8, wherein the base is ammonia or an amine.
Claim 12
Dependent Claim 19 words
An aqueous composition comprising the acrylic polymer of Claim 1, which is at least partially neutralized with a base.
Claim 13
Dependent Claim 10 words
An ink composition containing an acrylic polymer of Claim 1.
Claim 14
Dependent Claim 55 words
In an improved process of applying as a varnish or ink composition to a substrate, the improvement comprising effective application to varied substrates of polyvinyl chloride-coated paper and paper which is not coated with polyvinyl chloride, wherein the varnish or ink composition comprises an aqueous composition comprising an acrylic polymer as recited in Claim 11.
Claim 15
Dependent Claim 35 words
In an improved process of Claim 13 which comprises applying as a varnish or ink composition to a substrate comprising polyvinyl chloride-coated paper, followed by baking the substrates to a temperature sufficient to effect cure.
Claim 16
Dependent Claim 12 words
A printed matter which is prepared by the process of Claim 13.
Claim 17
Dependent Claim 12 words
A printed matter which is prepared by the process of Claim 14.

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