COMPOSITION BASED ON SILANE-TERMINATED POLYMERS THAT DOES NOT SPLIT OFF METHANOL DURING CURING
    1.
    发明申请
    COMPOSITION BASED ON SILANE-TERMINATED POLYMERS THAT DOES NOT SPLIT OFF METHANOL DURING CURING 审中-公开
    基于在固化期间不分解甲醇的硅烷聚合物的组合物

    公开(公告)号:US20150141585A1

    公开(公告)日:2015-05-21

    申请号:US14398583

    申请日:2013-05-23

    Abstract: The invention relates to a composition including a) at least one silane-functional polymer P having alkoxy end groups, which are not methoxy groups; b) at least one catalyst for the cross-linking of silane-functional polymers, selected from the group comprising an organotitanate, organozirconate and organoaluminate; c) at least one compound having at least one amidino group. Such compositions are suitable as adhesives, sealants and coatings and have the advantage that the compositions are substantially free from tin or organic tin compounds and do not split off methanol during curing.

    Abstract translation: 本发明涉及包含a)至少一种不具有甲氧基的具有烷氧基端基的硅烷官能聚合物P的组合物; b)至少一种用于交联硅烷官能聚合物的催化剂,所述催化剂选自有机钛酸盐,有机锆酸盐和有机铝酸盐; c)至少一种具有至少一个脒基的化合物。 这样的组合物适合作为粘合剂,密封剂和涂料,其优点是组合物基本上不含锡或有机锡化合物,并且在固化期间不分解甲醇。

    Two-component polyurethane casting compound with adjustable pot life

    公开(公告)号:US12187836B2

    公开(公告)日:2025-01-07

    申请号:US17312112

    申请日:2019-12-18

    Abstract: A polyurethane composition consisting of a first component and a second component, wherein the first component contains a polyol having an OH functionality in the range from 1.5 to 4 and an average molecular weight in the range from 250 to 15 000 g/mol, a diol having two hydroxyl groups joined via a C2 to C9 carbon chain, and a compound having at least one thiol group. In addition, one of the two components additionally contains at least one metal catalyst for the reaction of hydroxyl groups and isocyanate groups that is able to form thio complexes, and the molar ratio of all NCO groups in the polyisocyanurates to all OH groups in the polyols is 0.9:1-1.2:1, and the polyurethane composition, directly after mixing of the components at 23° C., is free-flowing, and has a viscosity of

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