Process for manufacturing homopolymers and copolymers of ethylen

Details Process for manufacturing homopolymers and copolymers of ethylen Process for manufacturing homopolymers and copolymers of ethylen

1983-07-29

1985-11-05

Schofer, Joseph L.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

526 74, 526 84, 528494, C08F 200, C08G 8500

Patent

active

045515093

ABSTRACT:
A process for producing ethylene polymers or ethylene copolymers comprising the steps of: (a) continuously polymerizing ethylene or ethylene and an .alpha.-olefin in a reaction mixture at a pressure of at least 300 kg/cm.sup.2 and a temperature of at least 130.degree. C. in the presence of a catalyst composed of a compound of a transition metal of groups IVa and VIa of the Periodic Table and an organometallic compound of a metal of groups I to III of the Periodic Table; and (b) adding a polyalkylene glycol to the reaction mixture to deactivate the catalyst.

REFERENCES:
patent: 4013622 (1977-03-01), De Juneas et al.
patent: 4105609 (1978-08-01), Machon et al.
patent: 4342853 (1982-08-01), Durand et al.
patent: 4412025 (1983-10-01), Corwin et al.
patent: 4419473 (1983-12-01), Mahaffey, Jr.

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