Magnesium dichloride-based adducts and catalyst components...

Details Magnesium dichloride-based adducts and catalyst components... Magnesium dichloride-based adducts and catalyst components...

2011-04-26

2011-04-26

McDonough, James E (Department: 1731)

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

Catalyst or precursor therefor

Organic compound containing

C502S100000, C502S151000, C502S162000, C502S172000, C502S226000

Reexamination Certificate

active

07932206

ABSTRACT:
Solid Lewis adducts comprising MgCl2, a Lewis base (LB) belonging to ethers, esters, ketones, silanes or amines and an alcohol ROH, in which R is a C1-C15 hydrocarbon group optionally substituted with heteroatoms containing groups, which compounds are in molar ratios to each other defined by the following formula MgCl2(ROH)m(LB)nin which m ranges from 0.05 to 6, n ranges from 0.08 to 6. The solid Lewis adducts herein can be used to prepare catalysts having good morphological stability, and high polymerization activity.

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