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    • 5. 发明授权
    • Polysiloxane-polyoxyalkylene terpolymers for polyurethane foam
manufacture
    • 用于聚氨酯泡沫制造的聚硅氧烷 - 聚氧化烯三元共聚物
    • US4855329A
    • 1989-08-08
    • US272429
    • 1988-11-17
    • Charles H. Blevins, IIWilliam B. HerdleGerald J. Murphy
    • Charles H. Blevins, IIWilliam B. HerdleGerald J. Murphy
    • C08G77/46C08J9/00
    • C08J9/0061C08G77/46C08J2375/04C08J2483/00
    • A polysiloxane-polyoxyalkylene composition of the nominal formula: ##STR1## wherein R is an alkyl group having 1 to 3 carbon atoms and R.degree., R', R" and R'" are individually monovalent polyoxyalkylene polyethers attached to the silicon atom through a difunctional link; and,the polyoxyalkylene of R' is a poly(oxyethylene-oxypropylene) ether which contains 20% to 60% oxyethylene by weight and has an average molecular weight of from about 3,000 to about 5,500;the polyoxyalkylene of R" is a poly(oxyethylene-oxypropylene) ether which contains 20% to 60% oxyethylene by weight and has an average molecular weight of from about 800 to about 2,900; andthe polyoxyalkylene of R'" is a polyoxypropylene polyether having an average molecular weight from about 130 to about 1200;R.degree. can be R', R" or R'", a and e are individually 0 or 1; b, c, and d are numbers such that b+c+d=y, x and y are positive numbers such that the sum of x+y ranges from 25 to 400 and x is greater than y; wherein the ratio (b+c):d ranges from 0.8 to 1.9.
    • 具有下式的聚硅氧烷 - 聚氧化烯组合物:其中R是具有1至3个碳原子的烷基,R DEG,R',R“和R”'分别是与硅原子连接的单价聚氧化烯聚醚 通过双功能联系; 并且R'的聚氧化烯是聚(氧乙烯 - 氧丙烯)醚,其含有20重量%至60重量%的氧化乙烯,其平均分子量为约3,000至约5,500; R“的聚氧化烯是聚(氧乙烯 - 氧丙烯)醚,其含有20重量%至60重量%的氧化乙烯,其平均分子量为约800至约2900; 并且R“'的聚氧化烯是平均分子量为约130至约1200的聚氧丙烯聚醚; R DEG可以是R',R“或R”',a和e分别为0或1; b,c和d是数字,使得b + c + d = y,x和y是正数,使得x + y的和范围为25至400,x大于y; 其中所述比率(b + c):d为0.8至1.9。
    • 6. 发明授权
    • Polysiloxane-polyoxyalkylene terpolymers for polyurethane foam
manufacture
    • 用于聚氨酯泡沫制造的聚硅氧烷 - 聚氧化烯三元共聚物
    • US4814409A
    • 1989-03-21
    • US91114
    • 1987-08-31
    • Charles H. Blevins, IIWilliam B. HerdleGerald J. Murphy
    • Charles H. Blevins, IIWilliam B. HerdleGerald J. Murphy
    • C08G77/46C08J9/00C08G77/04
    • C08J9/0061C08G77/46C08J2375/04C08J2483/00
    • A polysiloxane-polyoxyalkylene composition of the nominal formula: ##STR1## wherein R is an alkyl group having 1 to 3 carbon atoms and R.degree., R', R" and R'" are individually monovalent polyoxyalkylene polyethers attached to the silicon atom through a difunctional link; and,the polyoxyalkylene of R' is a poly(oxyethylene-oxypropylene) ether which contains 20% to 60% oxyethylene by weight and has an average molecular weight of from about 3,000 to about 5,500;the polyoxyalkylene of R" is a poly(oxyethylene-oxypropylene) ether which contains 20% to 60% oxyethylene by weight and has an average molecular weight of from about 800 to about 2,900; andthe polyoxyalkylene of R'" is a polyoxypropylene polyether having an average molecular weight from about 130 to about 1200;R.degree. can be R', R" or R'", a and e are individually 0 or 1; b, c, and d are numbers such that b+c+d=y, x and y are positive numbers such that the sum of x+y ranges from 25 to 400 and x is greater than y; wherein the ratio (b+c):d ranges from 0.8 to 1.9.
    • 其中R是具有1至3个碳原子的烷基,R',R',R“和R”'的聚硅氧烷 - 聚氧化烯组合物是单独的一价聚氧化烯聚醚 通过双键连接到硅原子上; 并且R'的聚氧化烯是聚(氧乙烯 - 氧丙烯)醚,其含有20重量%至60重量%的氧化乙烯,其平均分子量为约3,000至约5,500; R“的聚氧化烯是聚(氧乙烯 - 氧丙烯)醚,其含有20重量%至60重量%的氧化乙烯,其平均分子量为约800至约2900; 并且R“'的聚氧化烯是平均分子量为约130至约1200的聚氧丙烯聚醚; R DEG可以是R',R“或R”',a和e分别为0或1; b,c和d是数字,使得b + c + d = y,x和y是正数,使得x + y的和范围为25至400,x大于y; 其中所述比率(b + c):d为0.8至1.9。