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 CClF OH, CClF OZnCl和 CClF OC(═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,CCl2F ),HCFC-124(2-
氯-
1,1,1,2-四氟乙烷, CHFCl),HCFC-143a(1,1,1-
三氟乙烷, ),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( C(═O)CHF ),乙酰
氟( C(═O)F),2-
氯-2,3,3,3-
四氟丙醇( CClF OH),
2-氯-2,3,3,3-四氟丙酸酯( CClF OC(═O) ),
锌(2-
氯-2,3,3,3-四
氟丙氧基)
氯化物( CClF OZnCl),2-
氯-2,3,3,3-四
氟丙氧
甲酸甲酯(
CF3CFCl O OC(═O) ),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( CHF OC(═O) ),二甲基甲酰胺(
DMF,HCON( )2),
吡啶(
C5H5N),
乙酸乙酯(CHClF ),
乙酸( C(═O)OH),二
乙醚( O ),
乙酸酐( C(═O)OC(═O) ),
乙酸甲酯( C(═O)O ),二甲基乙酰胺( C(═O)N( )2),
甲醇( OH),
乙醇 OH),
甲酸甲酯(HC(═O)O ),
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。