发明公开
EP0571073A2 Silane functional oligomer 失效
Silangruppen enthaltendes低聚物。

Silane functional oligomer
摘要:
A silane functional oligomer for use in the formulation of coating compositions having good clarity which has at least one hydrolysable silane group and which is the reaction product of ;

(i) a silane coupling agent having a hydrolysable silane group and a secondary amine group,
(ii) a polyisocyanate having more than one tertiary isocyanate group, and containing at least 6% by weight of NCO groups, and
(iii) optionally, compound having single isocyanate reactive group.
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