Grafted copolymers and their use as additives for lubricating oi

Details Grafted copolymers and their use as additives for lubricating oi Grafted copolymers and their use as additives for lubricating oi

1978-01-30

1980-01-01

Metz, Andrew

Compositions

Electrolytes for electrical devices

525 73, C10M 132

Patent

active

041816188

ABSTRACT:
Graft copolymer formed by reacting at least one polymerizable vinyl compound, in monomeric or polymerized form, with a hydrogenated polymer or copolymer selected from the hydrogenated homopolymers of conjugated dienes of 4-6 carbon atoms, the hydrogenated copolymers of at least 2 conjugated dienes and the hydrogenated copolymers of styrene and conjugated dienes of 4-6 carbon atoms, said hydrogenated polymer or copolymer having an average molecular weight ranging from 10,000 to 300,000 and a residual olefinic unsaturation lower than 15%.

REFERENCES:
patent: 2838456 (1958-06-01), Banes et al.
patent: 3030303 (1962-04-01), Ryan
patent: 3360506 (1967-12-01), DeBenneville et al.
patent: 3378492 (1968-04-01), Song et al.
patent: 3479327 (1969-11-01), Merijan et al.
patent: 3506574 (1970-04-01), Stambaugh et al.
patent: 3732334 (1973-05-01), Koch et al.
patent: 3739042 (1973-06-01), Chu et al.
patent: 3766300 (1973-10-01), DeLaMare
patent: 4026809 (1977-05-01), Lachowicz et al.

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