Process for grafting unsaturated monomers on olefinic polymers

Details Process for grafting unsaturated monomers on olefinic polymers Process for grafting unsaturated monomers on olefinic polymers

C - Chemistry, Metallurgy

08

F

400/2024

C08F 255/00 (2006.01) C08F 2/06 (2006.01) C08F 255/02 (2006.01) C08F 291/00 (2006.01)

Patent

CA 1240435

"PROCESS FOR GRAFTING UNSATURATED MONOMERS ON OLEFINIC POLYMERS" ABSTRACT OF DISCLOSURE Ethylenically unsaturated monomers are grafted on homo- and olefinic co-polymers by means of a radicalic reaction, operating at between 60°C and 160°C, in a solution of the polymer in a solving medium consisting of, or predominantly comprising a mixture of a component (A), chosen between aliphatic hydrocarbons, aromatic hydrocarbons, esters and ethers containing at least one aromatic or cycloaliphatic group, with a component (B) consisting of an aliphatic, cycloaliphatic or aromatic ketone, and by separating at the end of the reaction the grafted polymer, by means of the cooling down of the solution to a temperature below 40°C.

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