Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane wit

Details Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane wit Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane wit

1990-03-12

1991-02-19

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

62114, 134 12, 134 31, 134 38, 134 39, 134 40, 252 67, 252162, 252171, 252305, 252364, 252DIG9, 521131, C11D 730, C11D 750, C23G 5028, C09K 504

Patent

active

049942026

ABSTRACT:
Azeotropic mixtures of perfluoro-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane, are useful in solvent cleaning applications, and as refrigerants, aerosol propellants and polymer blowing agents.

REFERENCES:
patent: 2999815 (1961-09-01), Eiseman
patent: 2999817 (1961-09-01), Bauer et al.
patent: 3578597 (1971-05-01), Eiseman, Jr.
patent: 3638786 (1972-02-01), Borecki et al.
patent: 3881949 (1975-05-01), Brock
patent: 3903009 (1975-09-01), Bauer et al.
patent: 4085518 (1978-04-01), Jackson et al.
patent: 4482465 (1984-11-01), Gray

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