Polyester polymer and coating compositions thereof
    9.
    发明授权
    Polyester polymer and coating compositions thereof 有权
    聚酯聚合物及其涂料组合物

    公开(公告)号:US08574672B2

    公开(公告)日:2013-11-05

    申请号:US13114447

    申请日:2011-05-24

    IPC分类号: B05D7/22

    摘要: A polymer and coating compositions containing the polymer are provided that are useful in coating applications such as, for example, food or beverage packaging coatings. The polymer preferably includes a polyester backbone and at least one deblockable isocyanate group attached to the backbone. In one embodiment, the polymer includes a polyester-carbamate backbone, one or more pendant deblockable isocyanate groups, and one or more terminal or pendant isocyanate-reactive groups. The deblockable isocyanate groups may be provided, for example, through use of a partially blocked polyisocyanate.

    摘要翻译: 提供了含有聚合物的聚合物和涂料组合物,其可用于涂覆应用,例如食品或饮料包装涂料。 聚合物优选包括聚酯主链和连接至骨架的至少一个可脱封异氰酸酯基团。 在一个实施方案中,聚合物包括聚酯 - 氨基甲酸酯主链,一个或多个侧链可拆封异氰酸酯基团和一个或多个末端或侧链异氰酸酯反应性基团。 可脱封的异氰酸酯基团可以例如通过使用部分封端的多异氰酸酯来提供。