| 摘要 |
PURPOSE:To obtain a paint composition for pressure-sensitive copy paper excellent in pressure-resistant anti-staining properties, color developability, adhesiveness and flux resistance by constituting a binder of a specific amount of an unsaturated nitrile monomer, an aliphatic conjugated diene monomer and an ethylenic unsaturated carboxylic acid monomer. CONSTITUTION:A binder is constituted of 10-50wt.% of an unsaturated nitrile monomer, 35-80wt.% of an aliphatic conjugated diene monomer and 0.5-20wt.% of an ethylenic unsaturated carboxylic acid monomer. As the unsaturated nitrile monomer, acrylonitrile and methacrylonitrile are designated and, as the aliphatic conjugated diene monomer, butadiene, 2-methyl-1,3-butadiene and halogen substituted butadiene are designated. As the ethylenic unsaturated carboxylic acid monomer, acrylic acid, methacrylic acid and maleic acid are designated. By this constitution, a paint composition for pressure-sensitive copy paper excellent in pressure-resistant anti-staining properties, color developability, adhesiveness and flux resistance is obtained. |
