Preparation of polyisocyanates having isocyanurate groups and their use
    8.
    发明授权
    Preparation of polyisocyanates having isocyanurate groups and their use 有权
    具有异氰脲酸酯基团的多异氰酸酯的制备及其用途

    公开(公告)号:US08742166B2

    公开(公告)日:2014-06-03

    申请号:US13889603

    申请日:2013-05-08

    申请人: BASF SE

    IPC分类号: C07C261/00

    摘要: The present invention relates to a novel process for preparing polyisocyanates having isocyanurate groups by a partial trimerization of (cyclo)aliphatic diisocyanates in the presence of at least one trimerization catalyst from the group of ammonium salts of lactames and to the use of the thus obtainable polyisocyanates having isocyanurate groups as a polyisocyanate component in polyurethane coatings.

    摘要翻译: 本发明涉及一种制备具有异氰脲酸酯基团的多异氰酸酯的新方法,所述多异氰酸酯基通过(环)脂族二异氰酸酯在至少一种三聚化催化剂存在下由内酯类的铵盐进行部分三聚反应,以及使用如此获得的多异氰酸酯 在聚氨酯涂料中具有异氰脲酸酯基团作为多异氰酸酯组分。