111- REFRIGERANT MIXTURES CONTAINING DIFLUOROMETHANE AND 111-TRIFLUOROETHANE

摘要

The invention comprises a methane _{(CH 3 F 2, HFC-} 32), the ethane 1,1,1-trifluoro-2 as component _{(CH 3 CF 3, HFC-} 143a) difluoro the first component, third component as cyclopropane _{(C 3 H 6, RC-} 270), 1,1,1,2,3,3,3- heptafluoro-propane _{(CF 3 CHFCF 3, HFC-} 227ea), 1,1, 1,2,2 pentafluorophenyl propane _{(CH 3 CF 2 CF 3,} HFC-245cb), 1,1,1,2,3,3- hexafluoro-propane _{(CHF 2 CHFCF 3, HFC-} 236ea), with butane _{(C 4 H 10, R-} 600), bis (di fluoromethyl) ether _{(CHF 2 OCHF 2, HFE-} 134) and pentafluoroethyl methyl ether _{(CF 3 CF 2 OCH 3,} HFE-245) It provides a refrigerant mixture for replacing HCFC-22 made of any one material selected from the group consisting of.