Method of olefin polymerization utilizing hydrogen pulsing, prod

Details Method of olefin polymerization utilizing hydrogen pulsing, prod Method of olefin polymerization utilizing hydrogen pulsing, prod

1997-02-06

1998-04-14

Weber, Thomas R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 81, 526160, 526943, C08F 1006

Patent

active

057392200

ABSTRACT:
An olefin polymerization process in which at least two introductions of hydrogen are made during the olefin polymerization reaction. Suitable catalysts include metallocenes of the general formula (Cp).sub.m TiX.sub.n, wherein Cp is a substituted or unsubstituted cyclopentadienyl ring, X is a halogen, m=1-2, n=2-3, and wherein m+n=4, and conventional Ziegler-Natta catalysts blended with or modified by such metallocenes.

REFERENCES:
patent: 5525678 (1996-06-01), Mink et al.

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