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

1986-01-06

1986-11-25

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525258, 525266, 525244, 525319, 525322, 525324, 525289, 525290, C08F25502, C08F25504, C08F25506

Patent

active

046249923

ABSTRACT:
Ethylenically unsaturated monomers are grafted on homo- and olefinic co-polymers by means of a radicalic reaction, operating at between 60.degree. C. and 160.degree. 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.degree. C.

REFERENCES:
patent: 2947718 (1960-08-01), Rugg et al.
patent: 3876730 (1975-04-01), Morimoto et al.
patent: 3928497 (1975-12-01), Ohmori et al.
patent: 3953541 (1976-04-01), Fuji

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