Refrigerator and difluoromethane/Pentafluoroethane/1,1,1,2-tetrafluoroethane working fluid
    1.
    发明授权
    Refrigerator and difluoromethane/Pentafluoroethane/1,1,1,2-tetrafluoroethane working fluid 失效
    冰箱和二氟甲烷/五氟乙烷/ 1,1,1,2-四氟乙烷工作液

    公开(公告)号:US06187219B1

    公开(公告)日:2001-02-13

    申请号:US09228654

    申请日:1999-01-12

    IPC分类号: C09K504

    CPC分类号: C09K5/045 C09K2205/22

    摘要: The invention provides a refrigerant comprising a mixture of three compounds selected from the group consisting of hydrofluorocarbons represented by the formula ClHmFn  (1) wherein when l is 1, m is an integer of 1 or 2, n is an integer of 2 or 3 and m+n=4; when l is 2, m is an integer of 1 to 4, n is an integer of 2 to 5 and m+m=6; and when l is 3, m is an integer of 1 to 3, n is an integer of 5 to 7 and m+n=8.

    摘要翻译: 本发明提供一种制冷剂,其包含三种选自以下组中的三种化合物的混合物,所述三种化合物由式(Ⅳ)所示的氢氟烷代表,当l为1时,m为1或2的整数,n为2或3的整数,m + n = 4 ; 当l为2时,m为1〜4的整数,n为2〜5的整数,m + m = 6。 当l为3时,m为1〜3的整数,n为5〜7的整数,m + n = 8。

    Blowing compositions
    4.
    发明授权
    Blowing compositions 失效
    吹制成分

    公开(公告)号:US5145606A

    公开(公告)日:1992-09-08

    申请号:US716391

    申请日:1991-06-17

    IPC分类号: C08J9/14

    CPC分类号: C08J9/144 Y10S521/91

    摘要: The present invention provides blowing compositions for preparing foamed or expanded products of thermoplastics. Each of the blowing compositions comprises a combination of two of halogenated hydrocarbons.

    摘要翻译: 本发明提供了用于制备热塑性塑料的发泡或膨胀产品的吹塑组合物。 每种发泡组合物包含两种卤代烃的组合。

    Blowing compositions
    10.
    发明授权
    Blowing compositions 失效
    泡沫组合物

    公开(公告)号:US5070113A

    公开(公告)日:1991-12-03

    申请号:US533352

    申请日:1990-06-05

    IPC分类号: C08J9/14

    摘要: The invention provides:a blowing composition for producing foamed articles of polyurethane comprising at least one of chloropentafluoropropane and isomer thereof,a blowing composition for producing foamed articles of polyurethane comprising (a) at least one of chloropentafluoropropane and isomers thereof and (b) 1,1-dichloro-1-fluoroethane anda blowing composition for producing foamed articles of polyurethane comprising (a) at least one of chloropentafluoropropane and isomers thereof and (c) at least one of dichlorotrifluoroethane and isomers thereof.