Polyamide and functional fluid containing same

Details Polyamide and functional fluid containing same Polyamide and functional fluid containing same

1981-07-21

1983-02-22

Shine, W. J.

Compositions

Electrolytes for electrical devices

252 475, 252 493, 252 515A, 72 42, 2604045, 525420, 528335, 528337, 528341, 528346, 528347, C10M 106, C10M 120, C10M 136, C08F 3600

Patent

active

043747418

ABSTRACT:
Polyoxyalkylene polyamide lubricants having a terminal carboxylic acid group and a terminal amine group in the same molecule and a degree of polymerization of from 2 to 10 and salts thereof are provided. Stable aqueous based compositions are prepared from the polyamide or its salt, that are useful metal working and hydraulic fluids.

REFERENCES:
patent: 3804763 (1974-04-01), Meinhardt
patent: 3992312 (1976-11-01), Genjida et al.
patent: 4107061 (1978-08-01), Sturwold et al.
patent: 4239635 (1980-12-01), Rieder
patent: 4273664 (1981-06-01), Brandolese

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