Refrigeration compositions containing diester-amides of dialkano

Details Refrigeration compositions containing diester-amides of dialkano Refrigeration compositions containing diester-amides of dialkano

1992-10-09

1993-08-31

Skane, Christine

Compositions

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

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

252 67, 252 515A, 554112, 560252, C10M10568, C09K 504

Patent

active

052406300

ABSTRACT:
A refrigeration lubricant suitable for use with R-134a-type refrigerants comprises at least one dialkanolamine diester-amide oil corresponding to one of the formulas: ##STR1## in which formulas R is a hydrocarbylene group containing 1-10 carbons; n represents zero or one; each R' is independently selected from alkylene groups containing 1-10 carbons; R" is hydrogen or a hydrocarbyl group containing 1-10 carbons; and each G, when not linked with another G, is independently selected from hydrocarbyl groups containing 1-10 carbons or, when linked with another G, is a hydrocarbylene group which, together with the colinked G, forms a hydrocarbylene group containing 1-10 carbons.

REFERENCES:
patent: 3179615 (1965-04-01), Magne et al.
patent: 3211766 (1965-10-01), Magne et al.
patent: 4208293 (1980-06-01), Zaweski
patent: 4992188 (1991-02-01), Jolley

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