Process for producing crystalline vinyl aromatic polymers having

Details Process for producing crystalline vinyl aromatic polymers having Process for producing crystalline vinyl aromatic polymers having

1987-12-15

1992-08-25

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502117, 502103, 526129, 526160, 526161, 526165, 5263472, 526153, C08F 4642, C08F 1208

Patent

active

051420058

ABSTRACT:
A process for the production of primarily syndiotactic vinyl aromatic polymers by polymerizing or copolymerizing vinyl aromatic monomers such as styrene or styrene derivatives in the presence of a catalyst system comprising the product of the reaction between:

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patent: 3639332 (1972-02-01), Coover et al.
patent: 4542199 (1985-09-01), Kaminsky et al.
patent: 4680353 (1987-07-01), Ishihara et al.
Ishihara et al., Polymer Preprints, Japan 36(2) May 12, 1987.

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