会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • Aqueous, two-component polyurethane compositions containing OH-functional polydimethylsiloxanes
    • 含有OH-官能聚二甲基硅氧烷的水性双组分聚氨酯组合物
    • US20070055016A1
    • 2007-03-08
    • US11512948
    • 2006-08-30
    • Meike NiestenJorg TillackMichael Struwe
    • Meike NiestenJorg TillackMichael Struwe
    • C08L29/00C08L83/06
    • C08G77/388C08G18/3206C08G18/4063C08G18/61C08G18/706C08L83/08C09D175/04
    • The present invention relates to aqueous, two-component compositions containing A) hydroxyl-containing polydimethylsiloxanes having number average molecular weights of 400 to 3000 and an average OH functionality of ≧1.8, and containing at least one structural unit of formula I) wherein R is an aliphatic, linear or branched C1 to C20 radical, R1 is a linear or branched hydroxyalkyl radical having 2 to 10 carbon atoms and R2 is either hydrogen or a linear or branched hydroxyalkyl radical having 2 to 10 carbon atoms, B) addition polymers containing hydroxyl groups and having a number average molecular weight Mn of 500 to 50,000, a hydroxyl number of 16.5 to 264 mg KOH/g solid resin, an acid number of 0 to 150 mg KOH/g solid resin and a chemically bound carboxylate and/or sulphonate group content of 5 to 417 milliequivalents per 100 g of polymer solids, and C) polyisocyanates. The present invention also relates to coatings, adhesives or sealants obtained from these compositions.
    • 本发明涉及包含A)含羟基的聚二甲基硅氧烷的水性双组分组合物,其数均分子量为400至3000,平均OH官能度> 1.8,并含有至少一个式I结构单元,其中R 是C 20-20脂肪族,直链或支链C 1至C 20的基团,R 1是具有2至10个碳原子的直链或支链羟烷基 R 2是氢或具有2至10个碳原子的直链或支链羟烷基,B)含有羟基并具有数均分子量M n N的加成聚合物, 500至50,000,羟值为16.5至264mg KOH / g固体树脂,酸值为0至150mg KOH / g固体树脂,化学键合的羧酸酯和/或磺酸酯基含量为每百份5至417毫当量 g聚合物固体,和C)多异氰酸酯。 本发明还涉及从这些组合物获得的涂料,粘合剂或密封剂。