Fluorinated hydrocarbon lubricants for use with refrigerants in

Details Fluorinated hydrocarbon lubricants for use with refrigerants in Fluorinated hydrocarbon lubricants for use with refrigerants in

1990-07-20

1991-07-16

Willis, Prince E.

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

With lubricants, or warning, stabilizing or anti-corrosion...

252 70, 252 71, 252 52R, 252 54, 252 58, 252 67, 252 475, C09K 500, C10M10700

Patent

active

050323067

ABSTRACT:
A blend of refrigerant with at least one fluorinated hydrocarbon, comprising at least one graft of a perfluoroalkene or a perfluoroalkylvinyl ether onto at least one hydrocarbon having at least four (4) carbon atoms, the number of carbon atoms in the hydrocarbon and the number of grafts of the perfluoro compound being such as to provide a lubricant which has an SUS viscosity at 100.degree. F. of at least 50 and a pour point of less than about -10.degree. C. is disclosed for use in compression refrigeration.

REFERENCES:
patent: 4248726 (1981-02-01), Uchinuma et al.
patent: 4267064 (1981-05-01), Sasaki et al.
patent: 4755316 (1988-07-01), Magid et al.
patent: 4851144 (1989-07-01), McGraw et al.
patent: 4877557 (1989-10-01), Kaneshige et al.
patent: 4900463 (1990-02-01), Thomas et al.

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