Silicone surfactants for making polyurethane flexible molded foams
    2.
    发明授权
    Silicone surfactants for making polyurethane flexible molded foams 失效
    用于制造聚氨酯柔性模制泡沫的硅氧烷表面活性剂

    公开(公告)号:US06245824B1

    公开(公告)日:2001-06-12

    申请号:US09388293

    申请日:1999-09-01

    IPC分类号: C08J904

    摘要: A method for preparing a polyurethane flexible molded by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a cell opener, and a silicone surfactant cell stabilizer having the formula: Me3Si(OSiMe2)x(OSiMeG)yOSiMe3 wherein x has an average value from 1 to 4.5 and y has an average value from 0.75 to 7.5, the value of x/y is from 0.25 to 5 and the value of x+y is from greater than 5 to 9, G is a group having the formula —D(OR″)mA where D is a divalent organic linking radical, R″ is an alkylene group, m has an average value from 1 to 5, and A denotes an —OR′″ or an —OOCR′″ group, where R′″ is selected from the group consisting of methyl, ethyl, and a combination of methyl and ethyl.

    摘要翻译: 一种制备通过有机多异氰酸酯与多元醇在氨酯催化剂,水作为发泡剂,任选的开孔剂和具有下式的有机硅表面活性剂细胞稳定剂的存在下反应制备聚氨酯弹性体的方法:其中x具有平均值 1〜4.5,y的平均值为0.75〜7.5,x / y为0.25〜5,x + y为大于5〜9,G为式-D (OR“)mA,其中D是二价有机连接基团,R”是亚烷基,m具有1至5的平均值,A表示-OR“或-OOCR”基团 其中R“选自甲基,乙基以及甲基和乙基的组合。

    Silicone surfactants for making polyurethane flexible molded foams
    4.
    发明授权
    Silicone surfactants for making polyurethane flexible molded foams 失效
    用于制造聚氨酯柔性模制泡沫的硅氧烷表面活性剂

    公开(公告)号:US06235804B1

    公开(公告)日:2001-05-22

    申请号:US09471980

    申请日:1999-12-23

    IPC分类号: C08J904

    摘要: A method for preparing a polyurethane flexible molded by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a cell opener, and a silicone surfactant cell stabilizer having the formula: Me3Si(OSiMe2)x(OSiMeG)yOSiMe3 wherein G is a group having the formula —D(OR″)mA where D is a divalent organic linking radical, R″ is an alkylene group, m has an average value from 1 to 5, A denotes an —OR′″ or an —OOCR′″ group, where R′″ is selected from the group consisting of methyl, ethyl, and a combination of methyl and ethyl, x has an average value from 1 to 3 and y has an average value from 0.25 to 1, the value of x/y is from 2.5 to 5 and the value of x+y is from 1.5 to 3.5.

    摘要翻译: 一种制备通过有机多异氰酸酯与多元醇在氨基甲酸酯催化剂,作为发泡剂的水,任选的开孔剂和具有下式的有机硅表面活性剂细胞稳定剂的反应中制备的聚氨酯弹性体的方法:其中G是具有 其中D是二价有机连接基团的式-D(OR“)mA,R”是亚烷基,m具有1至5的平均值,A表示-OR“或-OOCR' “基团,其中R”选自甲基,乙基和甲基和乙基的组合,x的平均值为1至3,y的平均值为0.25至1, 的x / y为2.5〜5,x + y为1.5〜3.5。