Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1998-05-28
2000-01-11
Wu, David W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526160, 526943, C08F 452
Patent
active
060137444
ABSTRACT:
A process for preparing syndiotactic vinylidene aromatic polymers comprising contacting one or more vinylidene aromatic monomers with a hydrocarbylsilane or di(hydrocarbyl)silane adjuvant to form a monomer/silane mixture and contacting the monomer/silane mixture with a catalyst composition comprising a Group 4 metal complex and an activating cocatalyst.
REFERENCES:
patent: 5605990 (1997-02-01), Abiko et al.
patent: 5643845 (1997-07-01), Tajima et al.
patent: 5644099 (1997-07-01), Tsai et al.
patent: 5648428 (1997-07-01), Reddy et al.
Borodychuk Karen K.
Newman Thomas H.
Schellenberg Jurgen
Lu-Rutt Caixia
The Dow Chemical Company
Wu David W.
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