Homogeneous metallocene-based olefin polymerization system with

Details Homogeneous metallocene-based olefin polymerization system with Homogeneous metallocene-based olefin polymerization system with

1996-10-17

1998-05-26

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526132, 526133, 526151, 526153, 526160, 526351, 526904, 526943, 502108, 502117, 502118, 502124, 502128, 502129, 502132, 502153, C08F 4642, C08F 1006

Patent

active

057566097

ABSTRACT:
An olefin homogeneous polymerization catalyst demonstrating increased activity is formed from a cyclopentadienyl metallocene component, a salt of a compatible cation and a non-coordinating anion, and a C.sub.3 -C.sub.6 trialkylaluminum, preferably triisobutylaluminum. A homogeneous polymerization process comprises controlling polymerization activity with such catalyst by controlling the aluminum/metal (Al/M) molar ratio to a minimal level within the effective range of Al/M ratios.

REFERENCES:
patent: 5434115 (1995-07-01), Yamada et al.
patent: 5489659 (1996-02-01), Sugano et al.

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