| 摘要 |
<p>1484854 Paper - coating compositions RHONE - POULENC INDUSTRIES 22 Jan 1976 [24 Jan 1975] 02511/76 Heading C3P Aqueous compositions suitable for coating paper for offset printing comprise, as binding agent, a latex copolymer consisting of (by weight) 35-40% butadiene units, 50-63% styrene units and 2-10% units of at least one ethylenically unsaturated carboxylic acid (e.g. acrylic, methacrylic, itaconic or fumaric acid), together with at least one pigment (e.g. kaolin) and at least one pigment dispersant (e.g. sodium pyrophosphate).</p> |
