Catalyst components for polymerization of olefins

Details Catalyst components for polymerization of olefins Catalyst components for polymerization of olefins

1995-06-05

1998-01-13

Wu, David W.

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

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502117, 502126, 502127, 502128, 502159, 526153, 526160, C08F 464

Patent

active

057079145

ABSTRACT:
A process for the polymerization of olefinic hydrocarbons is carried out in the presence of a catalyst comprising a catalyst component derived from reacting a compound of the formula Me.sup.1 R.sup.1.sub.n X.sup.1.sub.4-n, a compound of the formula Me.sup.2 R.sup.2.sub.m X.sup.2.sub.z-m, an organocyclic compound having two or more conjugated double bonds and a carrier of inorganic or polymeric material, and a modified organoaluminum compound having Al--O--Al bonds, the resulting polyolefins having a relatively wide molecular weight distribution, a relatively narrow composition distribution and increased bulk density.

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"Metallocene and Other Single Site Catalysts-A Revolution in Olefin Polymerization" Jim Stevens, The Dow chemical Co., PTO presentation, Dec. 1994.

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