Process for the production of ethylenic polymers

Details Process for the production of ethylenic polymers Process for the production of ethylenic polymers

1997-03-07

2000-01-04

Wu, David W.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526153, 526160, 526161, 526169, 526172, 526352, 526132, 526134, C08F 422

Patent

active

060111275

ABSTRACT:
A process for the production of ethylenic polymers is disclosed in which an ethylenic monomer is polymerized in the presence of a catalyst comprising a chromium compound, an alumoxane and an organometallic alkoxide and/or organometallic siloxide and a carrier supporting thereon these compounds. The resultant polymer has a balanced proportion of rigidity and environmental stress cracking resistance (ESCR) and an excellent moldability property.

REFERENCES:
patent: 5079317 (1992-01-01), Tajima et al.
patent: 5723399 (1998-03-01), Takemoto et al.

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