✦ LIBER ✦

Synthesis and characterization of polystyrene initiated using polymeric peroxide

✍ Scribed by Yijian Lin; Xingpeng Guo; Wei Zhong; Yuliang Yang; Qiangguo Du

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 103 KB
Volume: 101
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.23187

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✦ Synopsis

Abstract

Polymer peroxides were synthesized by copolymerizing tert‐butyl‐3‐isopropenylcumylperoxide (D‐120) with styrene (St). Exothermic peak at 192.7°C in DSC thermogram indicated that peroxy bonds in D‐120 remained intact during the copolymerizing process. The polymeric peroxide was used to initiate polymerization of St. GPC results showed that polystyrene (PS) initiated by the polymeric peroxides was composed of both linear and branched molecules. In addition, the rheology test showed that PS samples initiated by polymeric peroxide contained branched structure and had lower shear viscosities. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 101: 197–202, 2006

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