Preparation of copolymers of ethylene with acrylic esters

Details Preparation of copolymers of ethylene with acrylic esters Preparation of copolymers of ethylene with acrylic esters

1993-06-07

1994-12-27

Schofer, Joseph L.

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

Synthetic resins

Polymerizing in tubular or loop reactor

526 73, 526329, C08F 234, C08F22012

Patent

active

053767390

ABSTRACT:
A process for preparing copolymers of ethylene with acrylic esters by copolymerizing 100 parts by weight of ethylene with from 0.1 to 25.0 parts by weight of acrylic ester in a continuous tubular polymerization system at from 500 to 4000 bar and from 100.degree. to 400.degree. C. in the presence of free radical polymerization initiators, comprises controlling the temperature for the reaction mixture, comprising ethylene, the acrylic ester, the polymerization initiator and optionally a regulator, after entry into the reaction zone in such a way that the ratio dT/dt (temperature increase per unit time) is kept constant at a value within the range from 1.5.degree. to 2.5.degree. C. per second.

REFERENCES:
patent: 4087601 (1978-05-01), Pfleger et al.

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