Production of olefin polymers

Details Production of olefin polymers Production of olefin polymers

1993-10-14

1995-01-31

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502125, 526124, 526125, 526351, C08F 4654, C08F 1006

Patent

active

053859936

ABSTRACT:
Ziegler polymerization of C.sub.3 or higher .alpha.-olefins is disclosed which is characterized by a solid catalyst component and an organoaluminum component used in the Ziegler catalyst, and also by the temperature used which is 150.degree. to 300.degree. C. The solid catalyst component, Component (A), comprises Sub-component (i) which is a solid catalyst component for Ziegler catalysts comprising Ti, Mg and a halogen; Sub-component (ii) which is a silicon compound represented by a formula: R.sup.1.sub.m X.sub.n Si(OR.sup.2).sub.4-n-m wherein R.sup.1 indicates a hydrocarbyl group, R.sup.2 which may be the same as or different from R.sup.1 indicates a hydrocarbyl group, X is a halogen atom, and m and n are each a number satisfying equations 0.ltoreq.m.ltoreq.3, 0.ltoreq.n.ltoreq.3 and 0.ltoreq.m+n.ltoreq.3; and Sub-component (iii) which is an organometal compound of a metal of Groups I to IV of the Periodic Table. The organoaluminum component (B) is an organoaluminum compound represented by a formula

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