Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1997-09-10
1999-09-21
Morgan, Kriellion S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
526 75, 526193, 526204, C08K 549, C08F 200
Patent
active
059555220
ABSTRACT:
A process is described for the preparation of olefin polymers by polymerization over a transition metallocene catalyst with the addition of at least one phosphorus(III) compound, sterically hindered amine, sterically hindered phenol or acid scavenger, alone or in combination with one another; the polymers which can be obtained in this way are of outstanding stability.
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C.E. Wilen et al, Macromolecules 27(15), 1994, 4051-4057.
Derwent Abst. 93-313297/40.
Brunner Martin
Rotzinger Bruno
Schmutz Thomas
Stauffer Werner
Ciba Specialty Chemicals Corporation
Crichton David R.
Hall Luther A. R.
Morgan Kriellion S.
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