An alkoxysilane-functionalized and allophanate-functionalized coating material including a) a binder component of 10-99 wt % of at least one reaction product of I. and II. wherein I includes A) at least one alkoxysilane-containing monourethane A) of the formula 1 Rn(OR1)3-nSi—R2—NH—(C═O)—OR3 wherein R, R1, R2 and R3 represent hydrocarbon radicals having 1-8 carbon atoms, and n represents 0-2, and B) at least one diisocyanate B), and II includes the subsequent reaction of C) with at least one diol and/or polyol C), in a ratio of NCO groups of reaction product I to OH groups of the diol and/or polyol II. C) of 1.0:1.5 to 1.0:0.6; b) 1-90 wt % of at least one further binder component distinct from a) a hydroxyl-containing or amino-containing binder component, c) 0-50 wt % of at least one polyisocyanate having an NCO functionality of at least 2, d) 0-5 wt % of at least one catalyst, wherein components a)-d) add up to 100 wt %.
一种烷氧基
硅烷官能化和异烷酸酯官能化涂层材料,包括 a) 含有 10-99 wt % 的至少一种 I. 和 II.其中I包括A)至少一种含烷氧基
硅烷的单聚
氨酯A),其式为1 Rn(OR1)3-nSi-R2-NH-(C═O)-OR3 其中R、R1、R2和R3代表具有1-8个碳原子的烃基,n代表0-2、和至少一种二
异氰酸酯 B),II 包括 C)与至少一种二元醇和/或多元醇 C)的后续反应,反应产物 I 的 NCO 基团与二元醇和/或多元醇 II 的 OH 基团之比。C) 的比例为 1.0:1.5 至 1.0:0.6;b) 1-90 重量百分比的至少一种不同于 a) 的含羟基或含
氨基的粘合剂组分,c) 0-50 重量百分比的至少一种具有至少 2 个 NCO 官能团的多
异氰酸酯,d) 0-5 重量百分比的至少一种催化剂,其中 a)-d) 组分相加不超过 100 重量百分比。