Oil concentrates of polymers with improved viscosity

Details Oil concentrates of polymers with improved viscosity Oil concentrates of polymers with improved viscosity

C - Chemistry, Metallurgy

10

M

C10M 143/12 (2006.01) C10M 157/00 (2006.01) C10M 161/00 (2006.01)

Patent

CA 2210429

A composition of about 2 to about 20 percent of a hydrogenated diene/vinyl aromatic block copolymer and a non-ionic surface active agent, soluble in said oil, comprising at least one ester or ether group, in a medium of oil of lubricating viscosity, exhibits reduced viscosity compared with comparable compositions without the surface active agent.

Composition de 2 à 20 % environ d'un copolymère séquencé d'aromatique vinylique et de diène hydrogéné, avec un surfactif non ionique, soluble dans cette huile, renfermant au moins un groupe ester ou éther, dans un milieu huileux lubrifiant; elle possède une viscosité réduite, comparativement à des compositions de même type sans surfactif.

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