Amorphous ethylene/propylene polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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5261692, C08F 1232

Patent

active

046223754

ABSTRACT:
Solid amorphous copolymers of ethylene, propylene and an olefinic benzocyclobutene monomer of the formula ##STR1## where R.sub.1 is hydrogen or CH.sub.3 and R.sub.2 is --CH.sub.2 --.sub.n where n is 0 to 6 are claimed. Such copolymers can be easily crosslinked at temperatures above about 200.degree. C., resulting in elastomers having improved creep resistance.

REFERENCES:
patent: 4540763 (1986-09-01), Kirchoff

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