| 摘要 |
1529429 Aerosol propellants MONTEDISON SpA 9 Aug 1977 [13 Aug 1976 1 June 1977 10 June 1977] 33388/77 Heading C4X A binary composition suitable as a propellant for aerosols comprises a mixture of: component A: which is CHClF 2 , CH 2 F 2 , or CF 3 -CH 3 , and component B: which is CH 2 ClF, CClF 2 -CHClF, CF 3 -HClF, CHF 2 -CClF 2 , CHClF-CHF 2 , CF 3 -CH 2 Cl, CHF 2 -CHF 2 , CF 3 -CH 2 F, CClF 2 -CH 3 or CHF 2 -CH 3 . A ternary composition comprises a further component C which is nbutane, isobutane, pentane or isopentane.
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