Use of tin catalysts for the production of polyurethane coatings
    6.
    发明授权
    Use of tin catalysts for the production of polyurethane coatings 有权
    使用锡催化剂生产聚氨酯涂料

    公开(公告)号:US08946372B2

    公开(公告)日:2015-02-03

    申请号:US13503873

    申请日:2010-10-26

    Abstract: The present invention relates to the use of specific inorganic Sn(IV) for the production of polyisocyanate polyaddition products from a) at least one aliphatic, cycloaliphatic, araliphatic and/or aromatic polyisocyanate, b) at least one NCO-reactive compound, c) at least one thermolatent inorganic tin-containing catalyst, d) optionally further catalysts and/or activators other than c), e) optionally fillers, pigments, additives, thickeners, antifoams and/or other auxiliary substances and additives, wherein the ratio of the weight of the tin from component c) and the weight of component a) is less than 3000 ppm when component a) is an aliphatic polyisocyanate and less than 95 ppm when component a) is an aromatic polyisocyanate, wherein as thermolatent catalysts cyclic tin compounds of formula I, II or III: wherein n>1, are used.

    Abstract translation: 本发明涉及特定无机Sn(Ⅳ)用于生产来自a)至少一种脂族,脂环族,芳脂族和/或芳族多异氰酸酯的多异氰酸酯加聚产物,b)至少一种NCO-反应性化合物,c) 至少一种耐热不饱和无机含锡催化剂,d)除了c),e)任选的另外的催化剂和/或活化剂,e)任选的填料,颜料,添加剂,增稠剂,消泡剂和/或其它辅助物质和添加剂,其中 当组分a)是脂族多异氰酸酯时,组分c)中锡的重量和组分a)的重量小于3000ppm,当组分a)是芳族多异氰酸酯时,其重量小于95ppm,其中作为热变性催化剂的环状锡化合物 式I,II或III:其中n≥1。

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