Compositions comprising 2,3,3,3-tetrafluoropropene, 2-chloro-2,3,3,3-tetrafluoropropanol, 2-chloro-2,3,3,3-tetrafluoro-propyl acetate or zinc (2-chloro-2,3,3,3-tetrafluoropropoxy) chloride
申请人:E. I. du Pont de Nemours and Company
公开号:US08147710B2
公开(公告)日:2012-04-03
Compositions comprising CF3CClFCH2OH, CF3CClFCH2OZnCl, and CF3CClFCH2OC(═O)CH3 are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf may comprise at least one additional compound selected from the group consisting of CFC-114a (2-dichloro-1,1,1,2-tetrafluoroethane, CCl2FCF3), HCFC-124 (2-chloro-1,1,1,2-tetrafluoroethane, CF3CHFCl), HCFC-143a (1,1,1-trifluoroethane, CF3CH3), CFO-1113 (2-chloro-1,1,2-trifluoroethene, CClF═CF2), HFO-1123 (1,1,2-trifluoroethene, CHF═CF2), HFO-1132a (1,1-difluoroethene, CH2═CF2), TFE (tetrafluoroethene, CF2═CF2), HCFO-1122 (2-chloro-1,1-difluoroethene, CHCl═CF2), 3,4,4,4-tetrafluoro-2-butanone (CH3C(═O)CHFCF3), acetyl fluoride (CH3C(═O)F), 2-chloro-2,3,3,3-tetrafluoropropanol (CF3CClFCH2OH), 2-chloro-2,3,3,3-tetrafluoropropyl acetate (CF3CClFCH2OC(═O)CH3), Zinc (2-chloro-2,3,3,3-tetrafluoropropoxy) chloride (CF3CClFCH2OZnCl2-chloro-2,3,3,3-tetrafluoropropoxy methyl acetate (CF3CFClCH2OCH2OC(═O)CH3), 1,3-bistrifluoromethyl-1,3-difluorocyclobutane (C6H4F8), 2,3,3,3-tetrafluoropropyl acetate (CF3CHFCH2OC(═O)CH3), dimethylformamide (DMF, HCON(CH3)2), pyridine (C5H5N), ethyl acetate, (CHClFCF3), acetic acid (CH3C(═O)OH), diethyl ether (CH3CH2OCH2CH3), acetic anhydride (CH3C(═O)OC(═O)CH3), methyl acetate (CH3C(═O)OCH3), dimethylacetamide (CH3C(═O)N(CH3)2), methanol (CH3OH), ethanol CH3CH2OH), methyl formate (HC(═O)OCH3), pyrazine, pyrimidine, N-methylpyrrolidine, N-methylpiperidine, hexamethylphosphoramide, tetrahydrofuran, 1,4-dioxane, N-methylpyrrolidinone, dimethyl sulfoxide, acetonitrile, benzonitrile, and mixtures thereof. Compositions comprising HFO-1234yf are useful, among other uses, as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.
由CF3CClFCH2OH,CF3CClFCH2OZnCl和CF3CClFCH2OC(═O)CH3组成的混合物可用于制造HFO-1234yf。含有HFO-1234yf的混合物可以包含至少一种来自以下组的其他化合物:CFC-114a(2-二氯-1,1,1,2-四氟乙烷,CCl2FCF3),HCFC-124(2-氯-1,1,1,2-四氟乙烷,CF3CHFCl),HCFC-143a(1,1,1-三氟乙烷,CF3CH3),CFO-1113(2-氯-1,1,2-三氟乙烯,CClF═CF2),HFO-1123(1,1,2-三氟乙烯,CHF═CF2),HFO-1132a(1,1-二氟乙烯,CH2═CF2),TFE(四氟乙烯,CF2═CF2),HCFO-1122(2-氯-1,1-二氟乙烯,CHCl═CF2),3,4,4,4-四氟-2-丁酮(CH3C(═O)CHFCF3),乙酰氟(CH3C(═O)F),2-氯-2,3,3,3-四氟丙醇(CF3CClFCH2OH),2-氯-2,3,3,3-四氟丙酸酯(CF3CClFCH2OC(═O)CH3),锌(2-氯-2,3,3,3-四氟丙氧基)氯化物(CF3CClFCH2OZnCl),2-氯-2,3,3,3-四氟丙氧甲酸甲酯(CF3CFClCH2OCH2OC(═O)CH3),1,3-双三氟甲基-1,3-二氟环丁烷(C6H4F8),2,3,3,3-四氟丙酸乙酯(CF3CHFCH2OC(═O)CH3),二甲基甲酰胺(DMF,HCON(CH3)2),吡啶(C5H5N),乙酸乙酯(CHClFCF3),乙酸(CH3C(═O)OH),二乙醚(CH3CH2OCH2CH3),乙酸酐(CH3C(═O)OC(═O)CH3),乙酸甲酯(CH3C(═O)OCH3),二甲基乙酰胺(CH3C(═O)N(CH3)2),甲醇(CH3OH),乙醇CH3CH2OH),甲酸甲酯(HC(═O)OCH3),吡嗪,嘧啶,N-甲基吡咯烷,N-甲基哌啶,六甲基膦酰胺,四氢呋喃,1,4-二氧六环,N-甲基吡咯烷酮,二甲基亚砜,乙腈,苯甲腈以及其混合物。含有HFO-1234yf的混合物可用于制造制冷,空调和热泵系统中的传热混合物,以及其他用途。