公开(公告)号：US06723787B2

公开(公告)日：2004-04-20

申请号：US10308663

申请日：2002-12-03

申请人： Jürgen Schwindt ,  Malte Homann ,  Karl-Heinz Kolping

发明人： Jürgen Schwindt ,  Malte Homann ,  Karl-Heinz Kolping

IPC分类号： C08G1848

CPC分类号： C09D175/08

摘要： The present invention relates to a solvent-free, two component polyurethane coating composition that is suitable for the production of coatings that have long term resistance to temperatures of up to 30° C., have good elongation and withstand cathodic protection, which contains A) a solvent-free polymer mixture containing a component free from OH groups containing at least one of a chlorinated paraffin or dibutoxybenzene, a di-(phenoxy-alkyl) formal, or a polyacrylonitrile, and a component having hydroxyl groups including a component which contains hydroxy groups and ether groups, and optionally a hydroxy-functional polyether polyacrylate and/or another hydroxy-functional compound; and B) a polyisocyanate component containing at least one organic polyisocyanate, where the NCO:OH equivalent ratio is 0.8:1 to 1.5:1.

摘要翻译： 本发明涉及无溶剂的双组分聚氨酯涂料组合物，其适用于生产具有长达30℃温度的长期耐受性，具有良好伸长率和耐受阴极保护性的涂料，其包含A） 含有不含OH基的组分的无溶剂聚合物混合物，所述组分含有氯化石蜡或二丁氧基苯，二（苯氧基 - 烷基）甲醛或聚丙烯腈中的至少一种，以及具有羟基的组分，包括含羟基 基团和醚基团，以及任选的羟基官能聚醚聚丙烯酸酯和/或其它羟基官能化合物; 和B）含有至少一种有机多异氰酸酯的多异氰酸酯组分，其中NCO:OH当量比为0.8:1至1.5:1。