公开(公告)号：US20040249011A1

公开(公告)日：2004-12-09

申请号：US10454688

申请日：2003-06-04

申请人： Dartex Coatings, Inc.

发明人： Thomas C. Colasanto

IPC分类号： C08G018/00

CPC分类号： C08G18/3234 ,  C08G18/3893 ,  C08G18/725

摘要： The invention is directed to copolymers, which can be formed into water vapor permeable, water resistant membranes suitable for use in garments, tents, etc. A copolymer includes a random distribution of a soft segment comprising a hydrophilic soft segment and up to about 30 wt % of a hydrophobic soft segment, a hard segment, a cross-linking segment comprising a pendant alkoxysilane, and at least two terminal groups comprising at least one of an amine and an isocyanate having a functionality of at least 2, wherein a number average molecular weight (Mn) of the copolymer is at least about 10,000.

摘要翻译： 本发明涉及共聚物，其可以形成适合用于衣服，帐篷等的透水性，防水膜。共聚物包括软链段的随机分布，所述软链段包含亲水性软链段和高达约30wt ％的疏水性软链段，硬链段，包含侧链烷氧基硅烷的交联链段和至少两个包含官能度至少为2的胺和异氰酸酯中的至少一种的端基，其中数均分子量 共聚物的重量（Mn）为至少约10,000。