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公开(公告)号:US06426327B1
公开(公告)日:2002-07-30
申请号:US09783359
申请日:2001-02-14
IPC分类号: C11D726
CPC分类号: C11D7/5063 , C11D7/28 , C11D7/5072 , C11D7/5077 , C11D7/5086 , C23G5/028 , C23G5/02806 , C23G5/02851 , C23G5/032
摘要: The invention provides azeotrope-like compositions consisting essentially of RfOCH3, where Rf is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and one or more organic solvent(s) selected from the group consisting of: straight chain, branched chain and cyclic alkanes containing 6 to 8 carbon atoms; cyclic and acyclic ethers containing 4 to 6 carbon atoms; ketones having 3 carbon atoms; chlorinated alkanes containing 1, 3 or 4 carbon atoms; chlorinated alkenes containing 2 carbon atoms, alcohols containing 1 to 4 carbon atoms, partially fluorinated alcohols containing 2 to 3 carbon atoms, 1-bromopropane, acetonitrile, HCFC 225ca (1,1,-dichloro-2,2,3,3,3 pentafluoropropane and HCFC-225cb (1,3-dichloro-1,1,2,2,3-pentafluoropropane).
摘要翻译: 本发明提供了基本上由RfOCH 3组成的类共沸组合物,其中Rf是具有4个碳原子的支链或直链全氟烷基,以及一种或多种选自直链,支链和环状的有机溶剂 含有6-8个碳原子的烷烃; 含有4-6个碳原子的环状和非环状醚; 具有3个碳原子的酮; 含有1,3或4个碳原子的氯代烷烃; 含有2个碳原子的氯化烯烃,含有1至4个碳原子的醇,含2-3个碳原子的部分氟化醇,1-溴丙烷,乙腈,HCFC 225ca(1,1,1-二氯-2,2,3,3,3 五氟丙烷和HCFC-225cb(1,3-二氯-1,1,2,2,3-五氟丙烷)。
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公开(公告)号:US06063748A
公开(公告)日:2000-05-16
申请号:US130236
申请日:1998-08-06
IPC分类号: C11D7/24 , C07C43/12 , C09D7/00 , C09D7/12 , C09K5/04 , C11D7/26 , C11D7/28 , C11D7/32 , C11D7/50 , C23G5/032 , C11D7/60
CPC分类号: C11D7/261 , C09D7/001 , C09K5/04 , C09K5/045 , C11D7/5063 , C11D7/5072 , C11D7/5077 , C11D7/5095 , C23G5/032 , C09K2205/102 , C09K2205/108 , C09K2205/11 , C09K2205/112 , C09K2205/114 , C09K2205/122 , C09K2205/132 , C09K2205/32 , C11D7/24 , C11D7/263 , C11D7/264 , C11D7/266 , C11D7/267 , C11D7/28 , C11D7/32
摘要: The invention provides azeotrope-like compositions consisting essentially of R.sub.f OC.sub.2 H.sub.5, where R.sub.f is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and an organic solvent selected from the group consisting of: straight chain, branched chain and cyclic alkanes having 6 to 8 carbon atoms; esters having 4 carbon atoms; ketones having 4 carbon atoms; disiloxanes having 6 carbon atoms; cyclic and acyclic ethers having 4 to 6 carbon atoms; chlorinated alkanes having 3 to 4 carbon atoms and chlorinated alkenes having 2 carbon atoms. The compositions are useful for cleaning, as solvents or carriers for coating and as heat transfer materials.
摘要翻译: 本发明提供了基本上由RfOC2H5组成的类共沸组合物,其中Rf是具有4个碳原子的支链或直链全氟烷基,和选自直链,支链和环状烷烃的有机溶剂,其具有6至8个 碳原子 具有4个碳原子的酯; 具有4个碳原子的酮; 具有6个碳原子的二硅氧烷; 具有4-6个碳原子的环状和非环状醚; 具有3至4个碳原子的氯代烷烃和具有2个碳原子的氯代烯烃。 该组合物可用于清洗,作为用于涂层的溶剂或载体以及作为热传递材料。
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公开(公告)号:US5705471A
公开(公告)日:1998-01-06
申请号:US606241
申请日:1996-02-23
CPC分类号: C08J9/149 , C09K3/30 , C09K5/045 , C11D7/5072 , C11D7/5077 , C23G5/024 , C23G5/02803 , C08J2203/12 , C08J2203/142 , C08J2207/04 , C09K2205/104 , C09K2205/11 , C09K2205/114 , C09K2205/12 , C09K2205/134 , C09K2205/32
摘要: Compositions of 1,1,2,2,3,3,4,4-octafluorobutane and a hydrocarbon having from 3 to 7 carbon atoms are described. Specific examples include 1,1,2,2,3,3,4,4-octafluorobutane and butane, cyclopropane, isobutane, propane, cyclopentane, 2,2-dimethylbutane, 2-methylbutane, cyclohexane, 2,3-dimethylpentane, 3-ethylpentane, heptane, hexane, methylcyclopentane, 2-methylpentane or 3-methylpentane. Compositions of 1,1,2,2,3,3,4,4-octafluorobutane and ethyl formate, propylene oxide, bis(pentafluoroethyl)sulfide, dimethoxyethane or tetrahydrofuran are also described. The compositions described above, may be azeotropic or azeotrope-like, and may be used as refrigerants, cleaning agents, expansion agents, for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents or displacement drying agents.
摘要翻译: 描述了1,1,2,2,3,3,4,4-八氟丁烷的组成和具有3至7个碳原子的烃。 具体实例包括1,1,2,2,3,3,4,4-八氟丁烷和丁烷,环丙烷,异丁烷,丙烷,环戊烷,2,2-二甲基丁烷,2-甲基丁烷,环己烷,2,3-二甲基戊烷,3 乙基戊烷,庚烷,己烷,甲基环戊烷,2-甲基戊烷或3-甲基戊烷。 还描述了1,1,2,2,3,3,4,4-八氟丁烷和甲酸乙酯,环氧丙烷,双(五氟乙基)硫醚,二甲氧基乙烷或四氢呋喃的组合物。 上述组合物可以是共沸的或类共沸的,并且可以用作制冷剂,清洁剂,膨胀剂,聚烯烃和聚氨酯,气溶胶推进剂,传热介质,气体电介质,灭火剂,动力循环工作流体, 聚合介质,微粒去除液,载体流体,抛光研磨剂或置换干燥剂。
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公开(公告)号:US5531916A
公开(公告)日:1996-07-02
申请号:US135242
申请日:1993-10-13
申请人: Abid N. Merchant
发明人: Abid N. Merchant
IPC分类号: C08J9/14 , C09K3/30 , C09K5/04 , C11D7/26 , C11D7/28 , C11D7/50 , C11D11/00 , C23G5/028 , H05K3/26 , C11D7/30 , B08B3/04
CPC分类号: C11D7/261 , C08J9/149 , C09K3/30 , C09K5/045 , C11D11/0047 , C11D7/5077 , C11D7/5081 , C23G5/02803 , C09K2205/102 , C09K2205/122 , C09K2205/128 , C09K2205/32 , C11D7/264 , C11D7/28 , H05K3/26
摘要: Cleaning compositions comprising an acyclic aliphatic hydrofluorocarbon represented by the formula:C.sub.x H.sub.y F.sub.2x+2-ywhere x equals 4, 5 or 6, y equals 1, 2 or 3 with the proviso that when x equals 4, Y equals 2 or 3, and a co-solvent boiling between 20.degree. C.-105.degree. C. that are alcohols, esters, ethers, ketones, chlorinated hydrocarbons, optionally containing fluorine, having 1-4 carbons atoms, acetonitrile and nitromethane.
摘要翻译: 包含由式C x H y F 2 x + 2-y表示的无环脂族氢氟烃的清洗组合物,其中x等于4,5或6,y等于1,2或3,条件是当x等于4时,Y等于2或3, 共溶剂在20℃-105℃之间沸腾,即醇,酯,醚,酮,氯化烃,任选含氟,具有1-4个碳原子,乙腈和硝基甲烷。
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