Polymers with h-bridge forming functionalities

Details Polymers with h-bridge forming functionalities Polymers with h-bridge forming functionalities

C - Chemistry, Metallurgy

08

F

C08F 265/06 (2006.01) C10M 107/28 (2006.01) C10M 145/14 (2006.01)

Patent

CA 2561172

The invention relates to graft copolymers produced by radically polymerising polymerisable monomers and, in addition comprising long-chain ethylenically unsaturated compounds which contain alkyl substitutes, in particular acrylates or methacrylates and monomers with hydrogen bridge donator functions. According to said invention, said hydrogen bridge donator monomer is introduced into a polymer backbone and into graft side branches. The inventive polymers are particularly usable for lubricating oil formulations.

L'invention concerne des copolymères greffés, édifiés à partir de monomères polymérisables par polymérisation radicalaire, et renfermant, en plus de composés éthyléniquement insaturés à longues chaînes, portant des substituants alkyle, en particulier des acrylates ou des méthacrylates, des monomères à fonctions donneur de ponts hydrogène. Le monomère à propriété donneur de ponts hydrogène se trouve, conformément à l'invention, aussi bien dans le squelette du polymère que dans les branches latérales greffées. Les polymères selon l'invention conviennent en particulier comme additifs pour des formulations d'huiles lubrifiantes.

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