Injection molding thermoset interpolymers of ethylene-propylene

Details Injection molding thermoset interpolymers of ethylene-propylene Injection molding thermoset interpolymers of ethylene-propylene

1979-02-23

1981-01-13

Thurlow, Jeffery R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252511, 260 4242, 2643282, 264331, 525242, 525263, 525281, 525284, 525305, 525313, C08L 2316

Patent

active

042448611

ABSTRACT:
An injection-moldable, peroxide crosslinkable elastomeric composition comprises a mixture of a crystalline interpolymer comprising ethylene and propylene; a low density polyethylene; one or more multifunctional vinylic or allylic monomers; a medium to high structure form of carbon; and an organic peroxide.
The composition is particularly useful for the fabrication of injection molded structures which are required to flex on impact and return to their original shape when the distorting force is released. Typical structures are automotive fender extensions, grilles and front and rear fascia.

REFERENCES:
patent: 3198868 (1965-08-01), Pedretti et al.
patent: 3256366 (1966-06-01), Corbelli
patent: 3806558 (1974-04-01), Fischer
patent: 3904470 (1975-09-01), Fukuki et al.
patent: 3915928 (1975-10-01), Leibu
patent: 3957919 (1976-05-01), Von Bodungen et al.

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