Coating compositions and process for the preparation of a multicoat
protective and/or decorative coating on a substrate surface
    2.
    发明授权
    Coating compositions and process for the preparation of a multicoat protective and/or decorative coating on a substrate surface 失效
    涂层组合物和在基材表面上制备多层保护和/或装饰涂层的方法

    公开(公告)号:US5169922A

    公开(公告)日:1992-12-08

    申请号:US445610

    申请日:1990-04-04

    摘要: The invention relates to coating compositions which are particularly suitable for the preparation of the basecoat for two-coat coatings of the basecoat/clearcoat type, and which comprise organic diluents, at least one resin containing urethane and urea groups, and, where appropriate, other resins, pigments and other conventional additives in common use. The coating compositions according to the invention are those which comprise at least one resin containing urethane and urea groups, which resin is obtainable by reactinga1) a compound having two hydroxyl groups reactive toward isocyanate groups, witha2) an aliphatic and/or cycloaliphatic di-isocyanateto form a prepolymer (A) containing isocyanate groups, and by subsequently reacting the isocyanate groups of the prepolymer (A), at least in part, witha3) an adduct produced from a (meth)acrylic ester, preferably an acrylic ester, and an aliphatic or cycloaliphatic compound containing at least two aminic hydrogen atoms, the adduct containing at least one active aminic hydrogen atom.

    摘要翻译: PCT No.PCT / EP88 / 00650 Sec。 371日期1990年04月4日 102(e)日期1990年4月4日PCT提交1988年7月19日PCT公布。 出版物WO89 / 01004 日本1989年2月9日。本发明涉及特别适用于制备底漆/透明涂层型双涂层底漆的涂料组合物,其包含有机稀释剂,至少一种含氨基甲酸酯和尿素基团的树脂 ,以及在适当的情况下常用的其它树脂,颜料和其它常规添加剂。 根据本发明的涂料组合物是包含至少一种含有氨基甲酸酯和脲基团的树脂的树脂,该树脂可通过使a1)具有对异氰酸酯基团具有反应性的两个羟基的化合物与a2)脂族和/或脂环族二 以形成含有异氰酸酯基团的预聚物(A),然后使预聚物(A)的异氰酸酯基团至少部分地与a3)由(甲基)丙烯酸酯,优选丙烯酸酯 和含有至少两个氨基氢原子的脂族或脂环族化合物,所述加合物含有至少一个活性胺氢原子。