Haze-free polymer additives for fuels and lubricants

Details Haze-free polymer additives for fuels and lubricants Haze-free polymer additives for fuels and lubricants

1987-01-16

1987-11-17

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

252 515A, 252 56R, C10M11914

Patent

active

047072857

ABSTRACT:
Solutions of ethylene-propylene copolymers grafted with vinyl containing monomers, maleic anhydride or ethylenically unsaturated acids including functionalized derivatives thereof, reacted with polyols, polyamines and hydroxamines, as well as hydrogenated butadiene or isoprene copolymers, which solutions have haze-forming tendencies in mineral oil and are generally useful as multifunctional lubricating oil additives, are reduced in haze-forming tendencies by treatment with 0.5 to 25 wt. % of an alkyl hydroxy benzene compound, such as nonyl or dodecyl phenol.

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patent: 4161452 (1979-07-01), Stambaugh et al.
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