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
    • 4. 发明申请
    • POLYURETHANE MATS
    • 聚氨酯垫
    • WO2016036815A1
    • 2016-03-10
    • PCT/US2015/048083
    • 2015-09-02
    • DOW GLOBAL TECHNOLOGIES LLCDOW ITALIA DIVISIONE COMMERCIALE SRL
    • COCCONI, CarloLISTA, GiuseppeSCUSSOLIN, Silvia
    • C08G18/48C08G18/66C08G18/32C08G18/76
    • C08G18/4816B60N3/048C08G18/10C08G18/4829C08G18/4841C08G18/6677C08G18/721C08G18/7664C08G18/7671C08G18/8035C08G2350/00C08G18/3206C08G18/3275
    • A polyurethane elastomer, e.g., for use in polyurethane mats, includes the reaction product of an isocyanate component that includes at least one isocyanate and an isocyanate-reactive component that includes (a) a first polyol component including from 40 wt% to 90 wt% of at least one polyether polyol having an average hydroxyl functionality that is greater than 2.5 and a number average molecular weight from 300 g/mol to 1,500 g/mol; (b) a second polyol component including from 2 wt% to 20 wt% of at least one ethylene oxide capped polyoxypropylene-polyoxyethylene polyol having an average hydroxyl functionality greater than 1.5 and less than 4.0, a number average molecular weight from 4,000 g/mol to 6,000 g/mol, and from 60 % to 85 % of a primary hydroxyl group content; and (c) a third polyol component including from 1 wt% to 20 wt% of at least one polyoxypropylene polyol having an average hydroxyl functionality greater than 1.5 and less than 4.0 and a number average molecular weight from 300 g/mol to 1,500 g/mol.
    • 用于聚氨酯垫的聚氨酯弹性体包括含有至少一种异氰酸酯和异氰酸酯反应性组分的异氰酸酯组分的反应产物,其包含(a)第一多元醇组分,其包含40重量%至90重量% 的至少一种具有平均羟基官能度大于2.5并且数均分子量为300g / mol至1,500g / mol的聚醚多元醇; (b)第二多元醇组分,其包含2重量%至20重量%的平均羟基官能度大于1.5且小于4.0的至少一种环氧乙烷封端的聚氧丙烯 - 聚氧乙烯多元醇,数均分子量为4,000g / mol 至6,000g / mol,和60%至85%的伯羟基含量; 和(c)包含1重量%至20重量%的至少一种平均羟基官能度大于1.5且小于4.0且数均分子量为300g / mol至1,500g / g的聚氧丙烯多元醇的第三多元醇组分, 摩尔。