Process for the multi-stage polymerization of ethene

Details Process for the multi-stage polymerization of ethene Process for the multi-stage polymerization of ethene

1979-01-26

1983-01-11

Smith, Edward J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

526 65, 5263486, 526352, 526901, C08F 234, C08F 1002

Patent

active

043682910

ABSTRACT:
In a low pressure process for polymerizing ethene using a Ziegler mixed catalyst comprising (a) a titanium compound, a vanadium compound or a mixture thereof and (b) an aluminum-organic compound or a mixture thereof, an improvement is provided wherein the process is carried out in multi-stages comprising:

REFERENCES:
patent: 3074922 (1963-01-01), Dye et al.
patent: 3392213 (1968-07-01), Berger
patent: 4012573 (1977-03-01), Trieschmann et al.
patent: 4187278 (1980-02-01), Clifford

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