Salt compositions and functional fluids using same

Details Salt compositions and functional fluids using same Salt compositions and functional fluids using same

1996-04-04

1997-09-23

Einsmann, Margaret

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 79, 252352, 252356, 252357, C10M17300, B01F 1716

Patent

active

056700814

ABSTRACT:
Salt compositions are disclosed which comprise: (A) at least one salt moiety derived from: A) at least one salt moiety derived from (A)(I) at least one high-molecular weight polycarboxylic acylating agent, said acylating agent (A)(I) having at least one hydrocarbyl substituent having an average of from about 20 to about 500 carbon atoms, and (A)(II) ammonia, at least one amine, at least one alkali or alkaline earth metal, and/or at least one alkali or alkaline earth metal compound;
(B) at least one salt moiety derived from (B)(I) at least one low-molecular weight polycarboxylic acylating agent, said acylating agent (B)(I) optionally having at least one hydrocarbyl substituent having an average of up to about 18 carbon atoms, and (B)(II) ammonia, at least one amine, at least one alkali or alkaline earth metal, and/or at least one alkali or alkaline earth metal compound;
said components (A) and (B) being coupled together by (C) at least one compound having (i) two or more primary amino groups, (ii) two or more secondary amino groups, (iii) at least one primary amino group and at least one secondary amino group, (iv) at least two hydroxyl groups or (v) at least one primary or secondary amino group and at least one hydroxyl group; provided that the ratio of(B)(I) to (A)(I) is 2.5 or above. These salt compositions are useful as emulsifiers in oil-in-water emulsions useful as functional fluids.

REFERENCES:
patent: 5047175 (1991-09-01), Forsberg

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