Azeotrope-like compositions of
4-trifluoromethyl-1,1,1,2,2,3,3,5,5,5-decafluoropentane
    54.
    发明授权
    Azeotrope-like compositions of 4-trifluoromethyl-1,1,1,2,2,3,3,5,5,5-decafluoropentane 失效
    4-三氟甲基-1,1,1,2,2,3,3,5,5,5-十氟戊烷的类共沸组合物

    公开(公告)号:US5225099A

    公开(公告)日:1993-07-06

    申请号:US851449

    申请日:1992-03-16

    IPC分类号: C11D7/50 C23G5/028

    摘要: Azeotrope-like compositions comprising 4-trifluoromethyl-1,1,1,2,2,3,3,5,5,5-decafluoropentane and a second component selected from the group consisting of methanol; ethanol; 1-propanol; 2-propanol; 2-methyl-2-propanol; 2-methyl-2-butanol; n-hexane; isohexane; 2-propanone; and 2-butanone and optionally nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards and dry cleaning.

    摘要翻译: 包含4-三氟甲基-1,1,1,2,2,3,3,5,5,5-十氟戊烷和选自甲醇的第二组分的类共沸组合物; 乙醇; 1-丙醇; 2-丙醇; 2-甲基-2-丙醇; 2-甲基-2-丁醇; 正己烷; 异己烷 2-丙酮; 和2-丁酮和任选的硝基甲烷是稳定的,并且可用作各种工业清洁应用中的脱脂剂和溶剂,包括冷清洗和印刷电路板的去焊和干洗。

    Partially fluorinated alkenes having a tertiary structure
    55.
    发明授权
    Partially fluorinated alkenes having a tertiary structure 失效
    具有三级结构的部分氟​​化烯烃

    公开(公告)号:US5087777A

    公开(公告)日:1992-02-11

    申请号:US622877

    申请日:1990-12-04

    IPC分类号: C07C21/18

    CPC分类号: C07C21/18

    摘要: Novel partially fluorinated alkenes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF.sub.3, CHF.sub.2, CH.sub.2 F, and CH.sub.3 CF.sub.2, and R' is an alkenyl or fluoroalkenyl group having 1 to 6 carbon atoms have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.

    摘要翻译: 新型部分氟化的具有下式的烯烃:其中每个R相同或不同,并且选自CF 3,CHF 2,CH 2 F和CH 3 CF 2,R'是具有1至6个碳原子的烯基或氟烯基 原子可用作各种工业清洁应用中的溶剂,包括冷清洁,干洗和印刷电路板的脱焊。

    Partially fluorinated alkanols having a tertiary structure
    58.
    发明授权
    Partially fluorinated alkanols having a tertiary structure 失效
    具有三级结构的部分氟​​化链烷醇

    公开(公告)号:US5254755A

    公开(公告)日:1993-10-19

    申请号:US788401

    申请日:1991-11-06

    IPC分类号: C07C31/40 C07C31/34

    CPC分类号: C07C31/40

    摘要: Novel partially fluorinated alkanes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF.sub.3, CHF.sub.2, CH.sub.2 F, and CH.sub.3 CF.sub.2, and R' is an alkyl or fluoroalkyl group having 1 to 6 carbon atoms have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.

    摘要翻译: 具有下式的新型部分氟化烷烃:其中每个R相同或不同,并且选自CF 3,CHF 2,CH 2 F和CH 3 CF 2,R'是具有1至6个碳原子的烷基或氟代烷基 原子可用作各种工业清洁应用中的溶剂,包括冷清洁,干洗和印刷电路板的脱焊。