Lubricant for refrigerant

Details Lubricant for refrigerant Lubricant for refrigerant

1990-04-13

1991-07-16

Lieberman, Paul

Compositions

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

252 68, 252 32, 252 52A, 252 52R, 252 515A, 252 515R, 260404, 568601, 568613, 568672, C09K 500, C10M10508

Patent

active

050323059

ABSTRACT:
A lubricant composition for refrigerators using Flon 134a comprises at least 80 percent by weight of a specific type of polyoxethylene glycol dialkyl ether having a kinematic viscosity of 6 to 500 cSt at 40 degree centigrade.

REFERENCES:
patent: 2717242 (1955-09-01), Foehr
patent: 2796423 (1957-06-01), Cottle et al.
patent: 2801968 (1957-08-01), Furby et al.
patent: 2839468 (1958-06-01), Stewart et al.
patent: 4301083 (1981-11-01), Yoshimura et al.
patent: 4755316 (1988-07-01), Magid et al.
patent: 4851144 (1989-07-01), McGraw et al.
patent: 4898992 (1990-02-01), Stankowiak et al.

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