Process for the manufacture of pulverizable thermosetting coating agents
    1.
    发明授权
    Process for the manufacture of pulverizable thermosetting coating agents 失效
    用于制造可粉化的热固性涂层剂的方法

    公开(公告)号:US3867347A

    公开(公告)日:1975-02-18

    申请号:US38222773

    申请日:1973-07-24

    Applicant: DEGUSSA

    CPC classification number: C08G18/6225 C08F220/12 C08G18/8074 C08G2150/20

    Abstract: A process for the manufacture of pulverizable, thermosetting coating agents comprising mixtures of acrylate resins containing hydroxyl groups and blocked isocyanates. The blocked isocyanates are di- or polyisocyanates blocked with a lactam having about 412 carbon atoms in the ring. The blocked isocyanates have melting points of about 60*-150* C., and are used in an amount of about 0.1-0.9 equivalents of isocyanate groups based on the hydroxyl group content. The process is useful for preparing agents useful in coating compositions.

    Abstract translation: 制备可粉化的热固性涂层剂的方法,其包含含有羟基的丙烯酸酯树脂和封闭的异氰酸酯的混合物。 封闭的异氰酸酯是在环中具有约4-12个碳原子的内酰胺封端的二异氰酸酯或多异氰酸酯。 封端的异氰酸酯的熔点为约60-150℃,基于羟基含量以约0.1-0.9当量的异氰酸酯基团的用量使用。 该方法可用于制备用于涂料组合物的试剂。

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