Process for manufacturing ethylene polymers

Details Process for manufacturing ethylene polymers Process for manufacturing ethylene polymers

1980-07-02

1982-08-03

Henderson, C. A.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

526 88, C08F 234

Patent

active

043428533

ABSTRACT:
The energy efficiency of a high pressure, high temperature continuous process for the production of polyethylene is improved and residual gases are more completely removed from the product without detriment to product quality by employing an intermediate separator between the first and second separators. The intermediate separator is maintained at a pressure between about 10 and 70 bars, and the second separator is maintained at a pressure between about 1 and 1.5 bars.

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patent: 3719643 (1973-03-01), Knight
patent: 3969470 (1976-07-01), Spiegelman
patent: 4087602 (1978-05-01), Mietzner
patent: 4105609 (1978-08-01), Machon
patent: 4168356 (1979-09-01), Levresse
patent: 4175169 (1979-11-01), Beals
patent: 4215207 (1980-07-01), Durand

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