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    Low volatile organic content automotive refinish coating composition
    1.
    发明授权
    Low volatile organic content automotive refinish coating composition 失效
    低挥发性有机物汽车修补漆组成

    公开(公告)号：US5468802A

    公开(公告)日：1995-11-21

    申请号：US276366

    申请日：1994-07-18

    申请人： Truman F. Wilt ,  Joseph M. Carney ,  Stephen J. Thomas ,  James A. Claar ,  William J. Birkmeyer

    发明人： Truman F. Wilt ,  Joseph M. Carney ,  Stephen J. Thomas ,  James A. Claar ,  William J. Birkmeyer

    IPC分类号： C08G18/42 ,  C08G18/79 ,  C09D175/06 ,  C08J3/00 ,  C08K5/205 ,  C08L51/00 ,  C08L75/00

    CPC分类号： C08G18/4288 ,  C08G18/423 ,  C08G18/792 ,  C09D175/06

    摘要： An automotive refinish coating composition having a volatile organic content not exceeding 3.0 pounds per gallon contains a hydroxyl functional polyester and a polyisocyanate curing agent. The hydroxyl functional polyester is prepared from reactants containing:A. from about 15 percent to about 50 percent of a polyol or mixture of polyols, each having a formula molecular weight from about 50 to about 2,000;B. from about 15 percent to about 50 percent of a long chain monocarboxylic acid or mixture of such acids, each having from about 6 to 24 carbon atoms; andC. from about 15 percent to about 30 percent of 1,4-cyclohexane dicarboxylic acid; the percentages based on the total weight of reactants used in preparing the polyester. The refinish coating composition is particularly suitable as a clear topcoat over a pigmented basecoat.

    摘要翻译： 具有挥发性有机含量不超过3.0磅/加仑的汽车修补涂料组合物含有羟基官能聚酯和多异氰酸酯固化剂。 羟基官能聚酯由含有以下物质的反应物制备：A.约15％至约50％的多元醇或多元醇混合物，各自具有约50至约2,000的分子量; B.约15％至约50％的长链单羧酸或这些酸的混合物，各自具有约6至24个碳原子; 和C.约15％至约30％的1,4-环己烷二羧酸; 基于在制备聚酯中使用的反应物的总重量的百分比。 涂料涂料组合物特别适合作为着色底漆上的透明面漆。