In situ comonomer generation in olefin polymerization

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

502113, 502117, 526106, C08F 462, C08F 464

Patent

active

047359315

ABSTRACT:
The catalyst system is produced by first forming a chromium catalyst on a predominantly silica support, activating in an oxygen-containing ambient and thereafter subjecting the thus activated composition to carbon monoxide reduction. The resulting reduced supported chromium catalyst composition is then precontacted with a cocatalyst selected from trialkyl boron compounds and dialkyl aluminum alkoxide compounds, preferably triethyl borane and thereafter contacted with ethylene. This results in a catalyst system which produces comonomer in situ so as to give tough, flexible ethylene copolymers from an essentially pure ethylene feed.

REFERENCES:
patent: 2824089 (1958-02-01), Peters et al.
patent: 2898326 (1959-08-01), Peters et al.
patent: 3082195 (1963-03-01), Peters et al.
patent: 3759918 (1973-09-01), Yamaguchi et al.
patent: 3891611 (1975-06-01), Abe et al.
patent: 3947433 (1976-03-01), Witt
patent: 3959178 (1976-05-01), Hogan
patent: 4065612 (1977-12-01), Hamer

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

In situ comonomer generation in olefin polymerization does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with In situ comonomer generation in olefin polymerization, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and In situ comonomer generation in olefin polymerization will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2233727

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.