Ternary azeotropic compositions of dichloropentafluoropropane an

Compositions – Water-softening or purifying or scale-inhibiting agents

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62114, 134 12, 134 31, 134 38, 134 39, 134 40, 252 67, 252162, 252170, 252305, 252364, 252DIG9, 264 53, 264DIG5, 521 98, 521131, C11D 730, C11D 750, C23G 5028, C09K 504

Patent

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051165252

ABSTRACT:
Azeotropic mixtures of dichloropentafluoropropane (HCFC-225) and trans-1,2-dichloroethylene (T-HCC-1130) with methanol or ethanol or isopropanol, are useful in solvent cleaning applications as refrigerants, aerosol propellants and polymer blowing agents.

REFERENCES:
patent: 4465609 (1984-08-01), Denis
patent: 4947881 (1990-08-01), Magid et al.
patent: 4961869 (1990-10-01), Eggers et al.

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