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    • 1. 发明授权
    • Coating, impregnating and adhesive compositions curable at ambient
temperature
    • 涂覆,浸渍和粘合剂组合物可在环境温度下固化
    • US4303563A
    • 1981-12-01
    • US99673
    • 1979-12-03
    • William D. EmmonsWayne E. Feely
    • William D. EmmonsWayne E. Feely
    • C08F291/14C09D133/14C08F18/24C08F26/08
    • C08F291/14C09D133/14
    • Addition polymers containing a plurality of terminal and/or pendant amine groups in which the nitrogen atom of at least some of such groups is of primary or secondary character, or aldimine or ketimine groups form the main film-forming component in compositions for coating and the like purposes, which also contain a polyfunctional acrylic monomer, such as ethylene glycol diacrylate, with or without monoethylenically unsaturated acrylic ester. Such compositions provide durable films having excellent mechanical and resistance properties even on ambient curing though baking may be used to accelerate the cure. A method of use is also disclosed in which the components are mixed in suitable vehicles, e.g. dispersant or solvent media, optionally with fillers and/or pigments, as desired, and after application of the composition, such as for coating, it is cured by exposure to ambient conditions, naturally occurring or controlled, or it is cured at elevated temperatures or by applying a plurality of curing conditions in succession, e.g. first to ambient conditions and subsequently to elevated temperatures in one or more stages of baking.
    • 含有多个末端和/或侧胺基团的加成聚合物,其中至少一些这样的基团的氮原子具有伯或仲的特征,或醛亚胺或酮亚胺基形成涂料组合物中的主要成膜组分, 其还含有多官能丙烯酸单体,例如具有或不具有单烯属不饱和丙烯酸酯的乙二醇二丙烯酸酯。 这样的组合物即使在环境固化时也提供具有优异的机械和电阻性能的耐用膜,尽管可以使用烘烤来加速固化。 还公开了一种使用方法,其中组分在合适的载体中混合,例如 分散剂或溶剂介质,任选地含有填料和/或颜料,如果需要,并且在施用组合物之后,例如涂覆,它通过暴露于天然存在或控制的环境条件下固化,或者在升高的温度下固化 通过连续施加多个固化条件,例如, 首先到环境条件,随后在一个或多个烘烤阶段升高温度。