公开(公告)号：US20110020556A1

公开(公告)日：2011-01-27

申请号：US12747373

申请日：2008-12-08

申请人： Rajasingham Satgurunathan ,  Marc Roelands ,  Jurgen Scheerder ,  Alexander Wilhelmus Martinus Cornelis Donders

发明人： Rajasingham Satgurunathan ,  Marc Roelands ,  Jurgen Scheerder ,  Alexander Wilhelmus Martinus Cornelis Donders

IPC分类号： C09D175/04 ,  B05D3/00

CPC分类号： C09D175/04 ,  C08G18/0823 ,  C08G18/12 ,  C08G18/4288 ,  C09D175/02 ,  C08G18/3231 ,  C08L2666/04

摘要： An aqueous coating composition comprising (i) a polyurethane obtained by the reaction of (a) an isocyanate-terminated pre-polymer obtained from the reaction of components comprising at least one polyisocyanate of which at least 50 wt % is at least one aliphatic polyisocyanate; in an NCO/OH ratio in the range of from 1.75 to 1.05; and (b) an active-hydrogen chain-extending compound; and (ii) a vinyl polymer having a Tg below ambient temperature.

摘要翻译： 一种水性涂料组合物，其包含（i）通过以下反应获得的聚氨酯：（a）由包含至少一种至多一种至少一种脂族多异氰酸酯的至少一种多异氰酸酯的组分的反应获得的异氰酸酯封端的预聚物; 在NCO / OH比为1.75至1.05的范围内; 和（b）活性氢链延长化合物; 和（ii）Tg低于环境温度的乙烯基聚合物。