Surface treating agent and method for its production

Details Surface treating agent and method for its production Surface treating agent and method for its production

1979-10-02

1981-11-10

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08K 501

Patent

active

042997542

ABSTRACT:
A surface treating agent for fabricated articles of polyolefins which is composed of an organic solvent solution of a modified polymer resulting from the graft copolymerization of a propylene-ethylene copolymer with maleic acid or maleic anhydride. The propylene-ethylene copolymer has a propylene content of 50 to 75 mole % and a crystallinity determined by an X-ray diffraction method of 2 to 20%. The amount of maleic acid or maleic anhydride grafted is 0.5 to 15% by weight. The modified polymer has an intrinsic viscosity of at least 0.3, and is dissolved in the organic solvent in a concentration of 10 to 100 kg/m.sup.3 of solvent. The treating agent is suitable as an undercoat of the polyolefin articles and permits coating of a paint with markedly improved adhesion.

REFERENCES:
patent: 3125462 (1964-03-01), Rachinsky
patent: 3579486 (1971-05-01), McConnell et al.
patent: 3928497 (1975-12-01), Ohmori et al.

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