Azeotropic compositions of 1,1-difluoro-2,2-dichloroethane and m

Details Azeotropic compositions of 1,1-difluoro-2,2-dichloroethane and m Azeotropic compositions of 1,1-difluoro-2,2-dichloroethane and m

1988-04-11

1989-03-07

Willis, Prince E.

Compositions

Water-softening or purifying or scale-inhibiting agents

134 38, 134 40, 252 67, 252162, 252170, 252364, C11D 750

Patent

active

048104124

ABSTRACT:
Azeotropic mixtures of 1,1-difluoro-2,2-dichloroethane (HCFC-132a) with methanol or ethanol, the azeotropic mixtures being useful in solvent cleaning applications.

REFERENCES:
patent: 4378303 (1983-03-01), Hisamoto et al.
patent: 4654160 (1987-03-01), Wilson et al.
patent: 4655956 (1987-04-01), Basu et al.
patent: 4659505 (1987-04-01), Enjo et al.

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