Two stage cure two component coating composition containing hydroxyl butyl acrylate polymers
    24.
    发明申请
    Two stage cure two component coating composition containing hydroxyl butyl acrylate polymers 审中-公开
    两阶段固化双组分涂料组合物,含羟基丙烯酸丁酯聚合物

    公开(公告)号:US20060051594A1

    公开(公告)日:2006-03-09

    申请号:US11248802

    申请日:2005-10-12

    IPC分类号: C07C69/52 B32B27/40

    摘要: An acrylic oligomer useful in a two stage curing coating composition having a weight average molecular weight of 100 to 3000, a polydispersity of 1.01 to 1.7 and one or more reactive functionalities reactive with isocyanate groups and having 7.0 to 40.0 weight percent, based on the weight of the acrylic oligomer, of hydroxyl moieties wherein at least 40.0 to 70.0 weight percent of the hydroxyl moieties are provided by hydroxy butyl acrylate and the remaining hydroxyl moieties are provided by fast reacting hydroxyl constituents of hydroxy ethyl acrylate, hydroxy ethyl methacrylate or any mixtures thereof and by slow reacting hydroxyl constituents of secondary hydroxyl containing hydroxy propyl acrylate and secondary hydroxyl containing hydroxy propyl methacrylate and any mixtures thereof.

    摘要翻译: 可用于二阶段固化涂料组合物的丙烯酸低聚物,其重均分子量为100至3000,多分散性为1.01至1.7,以及一种或多种与异氰酸酯基反应的反应性官能团,并且具有7.0至40.0重量百分比,基于重量 丙烯酸低聚物的羟基部分,其中至少40.0-70.0重量%的羟基部分由丙烯酸羟基丁酯提供,其余羟基部分通过快速反应丙烯酸羟乙酯,甲基丙烯酸羟乙酯或其任何混合物的羟基成分 并通过缓慢反应含羟基丙基丙烯酸羟基成分和含羟基丙基甲基丙烯酸羟丙酯及其任何混合物的羟基成分。

    Two stage cure two component coating composition containing hydroxylbutyl acrylate polymers
    25.
    发明申请
    Two stage cure two component coating composition containing hydroxylbutyl acrylate polymers 有权
    两阶段固化双组分涂料组合物,含有丙烯酸羟丁酯聚合物

    公开(公告)号:US20050027074A1

    公开(公告)日:2005-02-03

    申请号:US10837383

    申请日:2004-04-30

    摘要: The invention is directed to a two-stage cure coating composition comprising a two component composition of a binder and a crosslinking component; the binder comprises an acrylic polymer having a weight average molecular weight of 3,000 to 50,000 and hydroxyl moieties in the range of 7.0 to 40.0 weight percent, based on the weight of the acrylic polymer; wherein at least 40.0 weight percent of the hydroxyl moieties are provided by hydroxy butyl acrylate; and the crosslinking component comprises an organic polyisocyanate; and the first stage curing of a finish of the composition on a substrate forms a water spot free finish within 90 minutes of application and the composition has a pot life of less than a 2 second rise in Zahn cup viscosity in 150 minutes; and the invention also is directed to a method of producing a finish on a substrate utilizing the two component coating composition which comprises forming a two stage cure coating composition by mixing together the above described binder component and a cross-linking component; applying a layer of the coating composition over the substrate; first stage curing the layer on the substrate to a water spot free finish; and second stage curing the first stage cured layer on the substrate into a finish having excellent appearance and excellent physical properties.

    摘要翻译: 本发明涉及包含粘合剂和交联组分的双组分组合物的两阶段固化涂料组合物; 粘合剂包含基于丙烯酸类聚合物的重量的重均分子量为3,000至50,000的丙烯酸聚合物和7.0至40.0重量%的羟基部分; 其中至少40.0重量%的羟基部分由丙烯酸羟基丁酯提供; 并且所述交联组分包含有机多异氰酸酯; 并且组合物在基材上的第一阶段固化在施用90分钟内形成无水斑结晶,并且组合物在150分钟内具有小于2秒钟的Zahn杯粘度上升的适用期; 本发明还涉及使用双组分涂料组合物在基材上生产精饰的方法,该组合物包括通过将上述粘合剂组分和交联组分混合在一起而形成两阶段固化涂料组合物; 将一层涂料组合物涂覆在基材上; 第一阶段将基材上的层固化成无水点光洁度; 第二阶段将基材上的第一阶段固化层固化成具有优异外观和优异物理性能的表面。