Syndiotactic vinylidene aromatic polymerization process

Details Syndiotactic vinylidene aromatic polymerization process Syndiotactic vinylidene aromatic polymerization process

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.

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