Process for producing polyethylene

Details Process for producing polyethylene Process for producing polyethylene

1979-12-17

1981-06-02

Smith, Edward J.

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

Synthetic resins

Polymerizing in two or more physically distinct zones

526 73, 5263522, C08F 202, C08F 428, C08F 1002

Patent

active

042712807

ABSTRACT:
An improved process for the high pressure polymerization of ethylene using a battery of two reactors in which the preceding autoclave reactor having two reaction zones is connected in series with the succeeding autoclave reactor having one reaction zone through a heat exchanger. This process has a high efficiency of polymerization initiator and gives a polyethylene excellent in optical properties and processability in a high reaction yield.

REFERENCES:
patent: 3575950 (1971-04-01), Gleason et al.
patent: 3875128 (1975-04-01), Suzuki et al.
patent: 4123600 (1978-10-01), Kita et al.

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