Use of glycol ether compounds for the production of polyolefin c

Details Use of glycol ether compounds for the production of polyolefin c Use of glycol ether compounds for the production of polyolefin c

1995-06-07

1997-02-04

Lewis, Michael

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Phosphorus or compound containing same

502208, 423305, 423306, B01J 27188

Patent

active

055997627

ABSTRACT:
Glycol ether compounds such as glycol ethers and glycol ether esters are used as azeotropic distillation solvents for conversion of inorganic oxide hydrogels to xerogels by removal of water. These compounds are especially useful to make chromium-containing catalysts for production of high melt index polyolefins at reduced cost compared to known azeotropic solvents.

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patent: 4476243 (1984-10-01), Dombro
patent: 4927614 (1990-05-01), Langer
patent: 5206189 (1993-04-01), Caldwell

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