Refrigeration compositions in which the lubricant comprises at l

Details Refrigeration compositions in which the lubricant comprises at l Refrigeration compositions in which the lubricant comprises at l

1996-02-01

1997-11-04

Skane, Christine

Compositions

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

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

252167, 508447, 508465, 508496, C09K 504, C10M10520, C10M10536, C10M10556

Patent

active

056836180

ABSTRACT:
Lubricants having a viscosity suitable for a refrigeration lubricant as well as good miscibility with common refrigerants (including R-134a) comprise at least one oil corresponding to the formula Z--C(E)(E').sub.p --Q.sub.s in which Z is alkyl, cycloalkyl, or --(CTT'--CT"G).sub.w --CTT'--CHT"G; Q is --(CTT'--CT"G).sub.t --CTT'--CHT"G; T, T', and T" are independently selected from hydrogen G', and organic groups containing up to 20 carbons; E, E', G, and G' are independently selected from --COOR, --C(O)R', and --CN electron withdrawing groups wherein R and R' represent hydrocarbyls containing 1-30 carbons, with the proviso that at least about 50% of the electron withdrawing groups are --COOR; p is zero or one; s is respectively two or one; and each of t and w represents zero or a positive integer.

REFERENCES:
patent: 2396626 (1946-03-01), Wiest et al.
patent: 5021179 (1991-06-01), Zehler et al.
patent: 5145594 (1992-09-01), Anton et al.
patent: 5300245 (1994-04-01), Sawada et al.
patent: 5399279 (1995-03-01), Sabahi et al.
patent: 5538661 (1996-07-01), Dawson et al.

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