Preparation of semicrystalline syndiotactic polymers of vinylaro

Details Preparation of semicrystalline syndiotactic polymers of vinylaro Preparation of semicrystalline syndiotactic polymers of vinylaro

1997-08-01

1999-08-24

Cain, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526160, 526164, 526170, C08F 1202

Patent

active

059425890

ABSTRACT:
Essentially syndiotactic and semicrystalline polymers which comprise vinylaromatic monomers arc prepared from a reaction mixture containing, as components, vinylaromatic compounds, metallocene complexes as catalysts and one or more cocatalysts selected from the group consisting of the strong, neutral Lewis acids, the ionic compounds having Lewis acid cations and the ionic compounds having Bronsted acids as cations, by a process in which the components are premixed before entering the reactor.

REFERENCES:
patent: 5747613 (1998-05-01), Takeuchi et al.

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