Process for the preparation of crystalline vinylaromatic polymer

Details Process for the preparation of crystalline vinylaromatic polymer Process for the preparation of crystalline vinylaromatic polymer

1996-09-20

2000-05-23

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526133, 526134, 526153, 526161, 526165, 5263472, 526943, C08F 4642, C08F 1206

Patent

active

060667060

ABSTRACT:
Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure which comprises polymerizing the vinylaromatic monomers, alone or mixed with at least another copolymerizable ethylenically unsaturated monomer, in the presence of a catalytic system essentially consisting of:

REFERENCES:
patent: Re35289 (1996-07-01), Ishihara et al.
patent: 5066741 (1991-11-01), Campbell, Jr.
patent: 5142005 (1992-08-01), Albizzati et al.
European Search Report issued Nov. 18, 1996 in European application No. EP 96 11 4876. (2 pages).
U.S.S.N. 08/654,202, filed May 28, 1996.
U.S.S.N. 08/649,320, filed May 17, 1996.

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