Syndiotactic propylene copolymer, method for preparing same, and

Details Syndiotactic propylene copolymer, method for preparing same, and Syndiotactic propylene copolymer, method for preparing same, and

1994-01-04

1994-12-13

Jagannathan, Vasu S.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525285, 525289, 525297, 525301, 525309, 525317, 525322, 525 74, 524547, C08F25502

Patent

active

053730593

ABSTRACT:
A syndiotactic graft copolymer is here disclosed in which a radical polymerizable unsaturated compound is grafted on a propylene homopolymer or copolymer, and this graft copolymer is obtained by heating a homopolymer having a substantially syndiotactic structure of propylene or a copolymer having a substantially syndiotactic structure of propylene and another .alpha.-olefin and a radical polymerizable unsaturated compound such as an unsaturated carboxylic acid or an unsaturated silane in the presence of a radical initiator up to the decomposition temperature or more of the radical initiator. This kind of graft copolymer can be used as a composition for adhesion. The graft copolymer in which the radical polymerizable unsaturated compound is a hydrolyzable unsaturated silane can be converted into a crosslinked polymer by heating in the presence of water, and it can also be converted into a water-crosslinkable resin composition by adding various additive thereto.

REFERENCES:
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patent: 4892851 (1990-01-01), Ewen et al.
patent: 5077337 (1991-12-01), Atwell et al.
patent: 5124404 (1992-06-01), Atwell et al.
patent: 5314957 (1994-05-01), Asanuma et al.

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