Catalyst for olefin polymerization, process for the polymerizati

Details Catalyst for olefin polymerization, process for the polymerizati Catalyst for olefin polymerization, process for the polymerizati

1994-07-28

1995-06-13

Wu, David W.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526153, 526160, 526161, 526904, 526280, 5263482, 5263484, 526351, 502110, 502155, C08F 206, C08F 464

Patent

active

054243785

ABSTRACT:
The catalyst for olefin polymerization of the present invention contains R.sup.1.sub.k R.sup.2.sub.1 R.sup.3.sub.m M(SO.sub.3 R.sup.4) (M=Zr, Ti or Hf; R.sup.1-3 =a group having a cyclopentadienyl skeleton) as a catalyst component of a transition metal compound. According to the catalyst of the invention, an olefin polymer having excellent particle properties can be prepared with high polymerization activities, and further a copolymer having a narrow composition distribution can be prepared when two or more monomers are copolymerized. Of the above-mentioned transition metal compounds, a compound represented by the following formula is a novel compound unknown so far and shows excellent catalytic properties. ##STR1## (Cp=a group having a cyclopentadienyl skeleton, X=SO.sub.3 R, a halogen atom, R, OR, NR.sub.n, S(O).sub.q R, SiR.sub.3 or P(O).sub.q R.sub.3, n=1, 2 or 3; q=0, 1 or 2).

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