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Article: Grafting of Poly(vinyl chloride) and Polypropylene With Styrene in a Supercritical [CO.sub.2] Solvent Medium: Synthesis and Characterization.
- Article from:
- Polymer Engineering and Science
- Article date:
- November 1, 2001
- Author:
CopyrightCOPYRIGHT 2001 Society of Plastics Engineers, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Akshay H. Trivedi (1)
Soonjong Kwak (2)
Sunggyu Lee (*)
INTRODUCTION
Graft copolymerization is commonly used for chemical modification of polymers to impart different properties to the main polymer backbone. Graft copolymers also play an important role as compatibilizers in enhancing polymer blend properties and are the key materials for development of multicomponent systems. Until recently, graft copolymers have been studied for modification of surface properties of fibers. plastics, and elastomers. However, only since the recent discovery of macromonomers (very large molecular weight polymer with a polymerizable group at the chain ...
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Article: PVC graft copolymers.(industry PATENTS)(Brief ...
Plastics Engineering;
June 1, 2008 ;
700+ words
...U.S. Patent 7,339,004 (March 4, 2008), "PVC Graft Copolymer Methods and Compositions," William H. Starnes, Jr. (College of William and Mary, Williamsburg, Virginia, USA). Most grafting methods for polyvinyl chloride (PVC) produce chain defects that reduce thermal stability and cause other problems.
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