Solvent compositions
    11.
    发明授权
    Solvent compositions 失效
    溶剂组成

    公开(公告)号:US06399562B2

    公开(公告)日:2002-06-04

    申请号:US09779527

    申请日:2001-02-09

    IPC分类号: C08J914

    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 15-99 1,1,2,2-tetrafluoroethyl difluromethyl ether (HCF2OCF2CF2OCF2H); isopentane 85-1  II) 1-difluromethoxy 25-99 1,1,2,2-tetrafluroethyl difluoromethyl ether (HCF2OCF2CF2OCF2H); methyl-acetate 75-1  III) 1-difluoromethoxy 35-99 1,1,2,2-tetrafluoroethyl difluoromethyl ether (HCF2OCF2CF2OCF2H); 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:

    Azeotrope(like) compositions with fluoromethyl trifluoromethyl ether and
dimethyl ether
    14.
    发明授权
    Azeotrope(like) compositions with fluoromethyl trifluoromethyl ether and dimethyl ether 失效
    具有氟甲基三氟甲基醚和二甲醚的共沸物(如)组合物

    公开(公告)号:US5607616A

    公开(公告)日:1997-03-04

    申请号:US485261

    申请日:1995-06-07

    摘要: Refrigerant compositions include mixtures of hexafluorodimethyl ether and cyclopropane, dimethylether or propylene; bis(difluoromethyl) ether and 2,2,3,4,4-pentafluorooxetane; fluoromethyl trifluoromethyl ether and 2,2,4,4,5,5-hexafluoro-1,3-dioxolane, 1-trifluoromethoxy-1,2,2,2-tetrafluoroethane, dimethylether or tris(trifluoromethyl)amine; trifluoromethyl methyl ether and perfluorooxetane, 2,2,4,4,5,5-hexafluoro-1,3-dioxolane, perfluoromethyl ethyl ether, perfluorodimethoxymethane, 1-trifluoromethoxy-1,2,2,2-tetrafluoroethane, dimethylether or tris(trifluoromethyl)amine; perfluoromethyl ethyl ether and dimethylether, propylene or 1-trifluoromethoxy-1,2,2,2-tetrafluoroethane; perfluorodimethoxymethane and dimethylether or isobutane; 1-trifluoromethoxy-1,1,2,2-tetrafluoroethane and tris(trifluoromethyl)amine or dimethylether; difluoromethoxy pentafluoroethane and dimethylether, isobutane or tris(trifluoromethyl)amine; 1-trifluoromethoxy-1,2,2,2-tetrafluoroethane and dimethylether or isobutane; 1-difluoromethoxy-1,1,2,2-tetrafluoroethane and N(CHF.sub.2).sub.2 (CF.sub.3); or 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2,2-tetrafluoroethoxy)propane and 1,1,2,2,3-pentafluoropropane or 1,1,1,2,3-pentafluoropropane.

    摘要翻译: 制冷剂组合物包括六氟二甲醚和环丙烷的混合物,二甲醚或丙烯; 双(二氟甲基)醚和2,2,3,4,4-五氟氧杂环丁烷; 氟代甲基三氟甲基醚和2,2,4,4,5,5-六氟-1,3-二氧戊环,1-三氟甲氧基-1,2,2,2-四氟乙烷,二甲醚或三(三氟甲基)胺; 三氟甲基甲基醚和全氟氧杂环丁烷,2,2,4,4,5,5-六氟-1,3-二氧戊环,全氟甲基乙基醚,全氟二甲氧基甲烷,1-三氟甲氧基-1,2,2,2-四氟乙烷,二甲醚或三 三氟甲基)胺; 全氟甲基乙基醚和二甲醚,丙烯或1-三氟甲氧基-1,2,2,2-四氟乙烷; 全氟二甲氧基甲烷和二甲醚或异丁烷; 1-三氟甲氧基-1,1,2,2-四氟乙烷和三(三氟甲基)胺或二甲醚; 二氟甲氧基五氟乙烷和二甲醚,异丁烷或三(三氟甲基)胺; 1-三氟甲氧基-1,2,2,2-四氟乙烷和二甲醚或异丁烷; 1,1-二氟甲氧基-1,1,2,2-四氟乙烷和N(CHF 2)2(CF 3); 或1,1,1,2,2,3,3-七氟-3-(1,2,2,2-四氟乙氧基)丙烷和1,1,2,2,3-五氟丙烷或1,1,1, 2,3-五氟丙烷。

    Refrigerant compositions which include a sulfur compound
    15.
    发明授权
    Refrigerant compositions which include a sulfur compound 失效
    包含硫化合物的制冷剂组合物

    公开(公告)号:US5433880A

    公开(公告)日:1995-07-18

    申请号:US220427

    申请日:1994-03-30

    摘要: Refrigerant compositions are disclosed which include a first component of bis(trifluoromethyl)sulfide, difluoromethyl(trifluoromethyl)sulfide, pentafluoroethyl sulfur pentafluoride, difluoromethyl sulfur pentafluoride, trifluoromethylsulfur pentafluoride bis(pentafluoroethyl)sulfide and a second component of difluoromethane, 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane, 1,1,2-trifluoroethane, 1,1-difluoroethane, fluoroethane, dimethyl ether, ammonia, fluoromethyl trifluoromethyl ether, trifluoromethyl methyl ether, 1,1,1,2,2-pentafluoropropane, 2-fluoropropane, cyclopropane, bis(difluoromethyl)ether, 1,1,2,2-tetrafluoropropane, 1,1,1,2-tetrafluoropropane, 1-fluoropropane, 1,1,1,3,3-pentafluoropropane, 1,2,2-trifluoropropane, 2,2-difluoropropane, 1,2-difluoropropane, 1,1-difluoropropane, 1-trifluoromethoxy-2,2,2-trifluoroethane, tris(trifluoromethyl)amine or 1,1,2,2,3-pentafluoropropane.

    摘要翻译: 公开了包含双(三氟甲基)硫醚,二氟甲基(三氟甲基)硫化物,五氟乙基五氟化硫,二氟甲基五氟化硫,三氟甲基五氟化硫双(五氟乙基)硫醚和二氟甲烷的第二组分的第一组分的制冷剂组合物, 2-四氟乙烷,1,1,1,2-四氟乙烷,1,1,2-三氟乙烷,1,1-二氟乙烷,氟乙烷,二甲醚,氨,氟甲基三氟甲基醚,三氟甲基甲醚,1,1,1,2 ,2-五氟丙烷,2-氟丙烷,环丙烷,双(二氟甲基)醚,1,1,2,2-四氟丙烷,1,1,1,2-四氟丙烷,1-氟丙烷,1,1,1,3,3 - 五氟丙烷,1,2,2-三氟丙烷,2,2-二氟丙烷,1,2-二氟丙烷,1,1-二氟丙烷,1-三氟甲氧基-2,2,2-三氟乙烷,三(三氟甲基)胺或1,1 ,2,2,3-五氟丙烷。

    Production of plastic foams, preferably rigid foams containing urethane
groups or urethane and isocyanurate groups, and blowing
agent-containing emulsions for this purpose
    16.
    发明授权
    Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose 失效
    生产塑料泡沫,优选含有氨基甲酸酯基团或氨基甲酸酯和异氰脲酸酯基团的刚性泡沫,以及用于该目的的含发泡剂的乳液

    公开(公告)号:US5300534A

    公开(公告)日:1994-04-05

    申请号:US986747

    申请日:1992-12-08

    摘要: A process for the production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, by reactinga) an organic and/or modified organic polyisocyanate withb) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and, if desired,c) a low-molecular-weight chain extender and/or cross-linking agent,in the presence ofd) a blowing agent,e) a catalyst and, if desired,f) assistants and/or additives,in which the blowing agent (d) used is at least one vinylfluoroalkane of the formula CH.sub.2 .dbd.CH--C.sub.n F.sub.2n+1 in which n is an integer from 1 to 6, (di), or a mixture of at least one such vinylfluoroalkane (di) and at least one further physical and/or chemical blowing agent (dii) which is different from (di), blowing agent-containing emulsions which contain at least one vinylfluoroalkane and at least one starting component (a), (b), (c) or (b) and (c) and said plastic foams containing at least one vinylfluoroalkane as insulating gas.

    摘要翻译: 通过使a)有机和/或改性的有机多异氰酸酯与b)至少一种相对高分子量的化合物(其包含至少两种以上的化合物)反应,生产塑料泡沫,优选含有氨基甲酸酯基或氨基甲酸酯和异氰脲酸酯基团的刚性泡沫的方法 反应性氢原子,如果需要,c)低分子量增链剂和/或交联剂,在d)发泡剂存在下,e)催化剂,如果需要,f)助剂和 其中使用的发泡剂(d)是至少一种式CH 2 = CH-C n F 2n + 1的乙烯基氟烷烃,其中n是1至6的整数,(di),或至少一种 这种乙烯基氟烷烃(二)和至少一种不同于(二)的物理和/或化学发泡剂(dii),含有至少一种乙烯基氟烷烃和至少一种起始组分(a)的发泡剂的乳液,( b),(c)或(b)和(c)和所述含有至少一种乙烯基芴的塑料泡沫 oralkalk作为绝缘气体。