发明名称 Azeotropic compositions comprising fluorinated olefins for cleaning applications
摘要 The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z-C3F7CH-CHC3F7, and at least one alcohol, halocarbon, hydrofluorocarbon, fluoroether, or alkanes and combinations thereof. In one embodiment, the one compound selected from the group consisting of alcohols, halocarbons, fluoroalkyl ethers, hydrofluorocarbons, alkanes is either methanol, ethanol, iso-propanol, n-propanol, trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, n-propyl bromide, C4F9OCH3, C4F9OC2H5, HFC-43-10mee, HFC-365mfc, heptane, or combinations thereof. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.
申请公布号 US7641808(B2) 申请公布日期 2010.01.05
申请号 US20070897086 申请日期 2007.08.29
申请人 E.I. DU PONT DE NEMOURS AND COMPANY 发明人 SCHWEITZER MELODIE A.;SIEVERT ALLEN CAPRON;BARTELT JOAN ELLEN;MINOR BARBARA HAVILAND
分类号 C09K5/04;C11D7/30 主分类号 C09K5/04
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