Preparation of homopolymers of ethylene or copolymers of ethylen

Details Preparation of homopolymers of ethylene or copolymers of ethylen Preparation of homopolymers of ethylene or copolymers of ethylen

1994-07-14

1995-05-09

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526220, 526901, 526904, C08F 234

Patent

active

054140641

ABSTRACT:
Homopolymers of ethylene or copolymers of ethylene with minor amounts of other C.sub.3 -C.sub.12 -alk-1-enes are prepared by catalytic polymerization in a suspension or in the gas phase in the presence of an antistatic agent at from 50 to 120.degree. C. and from 5 to 50 bar by a process in which the antistatic agent used is a mixture of the following substances:
a) a metal salt of medialanic acid of the formula (I) ##STR1## b) a metal salt of an anthranilic acid of the general formula (II) ##STR2## where the organic radical R.sup.1 is either

REFERENCES:
patent: 5283278 (1994-02-01), Daire et al.

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