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

C - Chemistry, Metallurgy

08

K

253/102, 253/114

C08K 5/13 (2006.01) C08C 19/44 (2006.01) C08F 8/00 (2006.01) C08F 255/04 (2006.01) C08F 255/06 (2006.01) C10M 143/02 (2006.01) C10M 149/10 (2006.01)

Patent

CA 1175411

ABSTRACT OF THE DISCLOSURE Solutions of ethylene-propylene copolymers graf- ted with vinyl-containing monomers, maleic anhydride- or ethyienlcally-unsaturated acids, including functionalized derivatives thereof, and then reacted with polyols, poly- amines or hydroxyamines, as well as hydrogenated buta- diene 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 docecyl phenol.

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