Process for preparing syndiotactic vinyl aromatic polymers under

Details Process for preparing syndiotactic vinyl aromatic polymers under Process for preparing syndiotactic vinyl aromatic polymers under

1997-01-27

1997-12-16

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526161, 5263472, C08F 4642, C08F 234

Patent

active

056986440

ABSTRACT:
Syndiotactic polymers of vinyl aromatic monomers are synthesized in the presence of a catalytic system consisting of a commercial titanium compound and methylaluminoxane under high pressure and/or supercritical state of inert gas such as argon or nitrogen.

REFERENCES:
patent: 5484862 (1996-01-01), Siddall et al.
Ishihara et al., "Crystalline Syndiotactic Polystyrene", Maromolecules 19:2464-2465, 1986.
Ishihara et al., "Stereospecific Polymerization of Styrene Giving the Syndiotactic Polymer", Maromolecules 21:3356-3360, 1988.

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