Solvent compositions
    2.
    发明公开
    Solvent compositions 有权
    Lösungsmittelzusammensetzungen

    公开(公告)号:EP1126016A2

    公开(公告)日:2001-08-22

    申请号:EP01101783.7

    申请日:2001-01-26

    申请人: Ausimont S.p.A.

    IPC分类号: C11D7/50

    摘要: Azeotropic or near azeotropic solvent compositions, based on 1-difluoromethoxy-1,1,2,2-tetrafluoroethyl difluoromethyl ether, essentially consisting of (% by weight):








    I)
    1-difluoromethoxy 1,1,2,2-tetrafluoroethyl difluoromethyl ether ( HCF 2 OCF 2 CF 2 OCF 2 H ) ;
    15-99


    isopentane
    85-1

    II)
    1-difluoromethoxy 1,1,2,2-tetrafluoroethyl difluoromethyl ether ( HCF 2 OCF 2 CF 2 OCF 2 H ) ;
    25-99


    methyl-acetate
    75-1

    III)
    1-difluoromethoxy 1,1,2,2-tetrafluoroethyl difluoromethyl ether ( HCF 2 OCF 2 CF 2 OCF 2 H ) ;
    35-99


    1-bromo-propane
    65-1

    摘要翻译: 基于1-二氟甲氧基-1,1,2,2-四氟乙基二氟甲基醚的共沸或近共沸溶剂组合物,基本上由(重量%)组成:

    Compositions consisting of hydrogenated fluorocarbons
    3.
    发明公开
    Compositions consisting of hydrogenated fluorocarbons 失效
    Zusammensetzungen die Hydrofluorkohlenwasserstoffen enthalten。

    公开(公告)号:EP0619356A1

    公开(公告)日:1994-10-12

    申请号:EP94104686.4

    申请日:1994-03-24

    申请人: AUSIMONT S.p.A.

    IPC分类号: C09K5/04

    CPC分类号: C09K5/044 C09K2205/12

    摘要: Nearly azeotropic compositions consisting of hydrogenated fluorocarbons, suitable as freezing mixture in conditioning plants, essentially consisting of:

    (A) from 38 to 53% by weight of R22;
    (B) from 34 to 56% by weight of R124 and/or R124A;
    (C) from 2 to 13.5% by weight of R600 and/or R600A.

    摘要翻译: 由氢化碳氟化合物组成的几乎共沸组合物,适合于调理装置中的冷冻混合物,基本上由以下组成:(A)38至53重量%的R 22; (B)34〜56重量%的R124和/或R124A; (C)2至13.5重量%的R600和/或R600A。