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    • 9. 发明授权
    • Vinyl acetate polymers and latex compositions containing same
    • 乙酸乙烯酯聚合物和含有它们的胶乳组合物
    • US4544723A
    • 1985-10-01
    • US547263
    • 1983-10-31
    • Donald A. UpsonDavid J. Steklenski
    • Donald A. UpsonDavid J. Steklenski
    • G03C1/93C08F224/00C08F134/02C08F218/02
    • G03C1/93
    • Polymers having excellent adherence to film supports such as cellulose acetate are disclosed. The polymers comprise random recurring units having the structure--A).sub.w, --B).sub.x, --C).sub.y and --D).sub.zwherein;A represents polymerized vinyl acetate;B represents a polymerized acrylate or methacrylate monomer capable of copolymerization with vinyl acetate;C represents a polymerized monomer selected from the group consisting of methacrylic acid, itaconic acid and vinylbenzoic acid;D represents a polymerized cationically charged copolymerizable monomer;w represents from 20 to 85 weight percent;x represents from 5 to 65 weight percent;y represents from 5 to 50 weight percent and;z represents from 2 to 10 weight percent.
    • 公开了具有优良粘附性的聚合物,例如醋酸纤维素等薄膜载体。 聚合物包含具有以下结构的随机重复单元:a)w,-B)x,-C)y和-D)z其中; A代表聚合的乙酸乙烯酯; B表示能够与乙酸乙烯酯共聚的聚合丙烯酸酯或甲基丙烯酸酯单体; C表示选自甲基丙烯酸,衣康酸和乙烯基苯甲酸的聚合单体; D表示聚合的带阳离子电荷的可共聚单体; w表示20〜85重量% x表示5〜65重量% y表示5〜50重量%, z表示2〜10重量%。