Certain EPDM copolymer/maleic anhydride adducts and thermoplasti

Details Certain EPDM copolymer/maleic anhydride adducts and thermoplasti Certain EPDM copolymer/maleic anhydride adducts and thermoplasti

1982-07-01

1984-09-18

Michl, Paul R.

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

Synthetic resins

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

5253317, C08F25506

Patent

active

RE0316806

ABSTRACT:
An adduct of maleic anhydride and an elastomeric copolymer of ethylene, at least one C.sub.3 -C.sub.6 .alpha.-olefin, and at least one nonconjugated diene; the adduct having an inherent viscosity of at least one as measured on 0.1 gram of adduct dissolved in 100 milliliters of perchloroethylene at 30.degree. C. and having a gel content less than about 5 percent as measured by weight percent adduct insoluble in boiling tetrahydrofuran at atmospheric pressure after 48 hours. Also, a process of making the adduct and thermoplastic elastomers prepared from the adduct.

REFERENCES:
patent: 2608550 (1952-08-01), Rowland
patent: 2844502 (1958-07-01), Paxton
patent: 2933480 (1960-04-01), Gresham
patent: 3231498 (1966-01-01), de Vries
patent: 3240762 (1966-03-01), Wilks
patent: 3260708 (1966-07-01), Natta
patent: 3403011 (1968-09-01), Sweeney
patent: 3427183 (1969-02-01), Portolani
patent: 3527736 (1970-09-01), Averink
patent: 3567691 (1971-03-01), Van Breen
patent: 3644248 (1972-02-01), Luijk

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