Crystalline syndiotactic copolymers from arylcyclobutene functio

Details Crystalline syndiotactic copolymers from arylcyclobutene functio Crystalline syndiotactic copolymers from arylcyclobutene functio

1990-06-22

1991-12-31

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526160, 526265, 526274, 526280, 526902, 525203, 525210, 525242, 5253333, 528503, C08F21208

Patent

active

050773674

ABSTRACT:
Syndiotactic homopolymers of an arylcyclobutene functional monomer and syndiotactic copolymers of an arylcyclobutene functional monomer and a vinylaromatic monomer are prepared by conducting the polymerization in the presence of a catalytic amount of a suitable coordination catalyst such as the reaction product of polymethylaluminoxane and a transition metal compound.

REFERENCES:
patent: 3335121 (1967-08-01), Natta et al.
patent: 4540763 (1985-09-01), Kirchhoff
patent: 4570011 (1986-02-01), So
patent: 4667004 (1987-05-01), Wong
patent: 4667005 (1987-05-01), Wong
Hackh's Chemical Dictionary, J. Grant (ed.) McGraw-Hill, Inc., N.Y., 62, 1969.

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