Ethylene copolymer compositions for rotational molding

Details Ethylene copolymer compositions for rotational molding Ethylene copolymer compositions for rotational molding

1985-01-24

1986-05-06

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

264310, 5253317, 5253321, C08F 800

Patent

active

045873186

ABSTRACT:
Provided is an ethylene copolymer composition for rotational molding, comprising a copolymer of a predominant ethylene and 0.02 to 1 mole % of a non-conjugated diene represented by the following formula (I) or (II) or a derivative thereof: ##STR1## wherein R.sub.1 is an alkylene group having one or two carbon atoms and R.sub.2 is hydrogen or an alkyl group having one or two carbon atoms, and an organic peroxide, said copolymer having a melt index of 2 to 50 g/10 min, a density of 0.930 to 0.970 g/cm.sup.3 and a maximum peak temperature (Tm) measured according to Differential Scanning Calorimetry (DSC) of not lower than 100.degree. C.

REFERENCES:
patent: 3489733 (1970-01-01), Natta
patent: 4025497 (1977-05-01), Natta
patent: 4156767 (1979-05-01), Hall
patent: 4267080 (1981-05-01), Yokoyama
patent: 4390677 (1983-06-01), Karol

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