Compositions – Vaporization – or expansion – refrigeration or heat or energy...
Patent
1991-12-30
1994-03-15
Skaling, Linda
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
62114, 252162, 252172, 252305, 252364, 252DIG9, 264 53, 264DIG5, 521 98, 521131, 521910, C09K 504, C08J 914
Patent
active
052943585
ABSTRACT:
A composition including from 40 to 55 mol % of 1,1,1,,2-tetrafluoroethane and from 45 to 60 mol % of methyl chloride; and a composition including from 68 to 75 mol % of 1,1,1,2-tetrafluoroethane and from 25 to 32 mol % of methyl chloride. These compositions are useful as porogenic agents for polystyrene, as refrigerating fluids, and as blowing agents for polyurethane and polyolefin foams.
REFERENCES:
patent: 2547887 (1951-04-01), Reed
patent: 2885427 (1959-05-01), Ruh et al.
patent: 4428854 (1984-01-01), Enjo et al.
patent: 4454052 (1984-06-01), Shoji et al.
patent: 4482465 (1984-11-01), Gray
patent: 4771080 (1988-09-01), Ibuki et al.
patent: 4810403 (1989-03-01), Bivens et al.
patent: 5006568 (1991-04-01), Fukazawa et al.
Japanese Patent Office, File Suppliers Japs, Tokyo, JP; & JP-A-1 139 539 (Asahi Glass Co., Ltd.) Jun. 1989.
Japanese Patent Office, File Suppliers Japs, Tokyo, JP; & JP-A-60 110 732 (Asahi Kasei Kogyo K.K.) Jun. 1985.
Japanese Patent Office, File Suppliers Japs, Tokyo, JP; & JP-A-57 020 333 (Teijin Ltd.) Feb. 1982.
Balthasart Dominique
Barthelemy Pierre
Dantinne Paul
Skaling Linda
Solvay ( Societe Anonyme)
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