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Graft copolymerization of polyisobutylene and polychlorobutyl onto polystyrene waste

✍ Scribed by Atta, Aiman M

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 108 KB
Volume: 48
Category: Article
ISSN: 0959-8103
DOI: 10.1002/(sici)1097-0126(199909)48:9<837::aid-pi224>3.0.co;2-a

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✦ Synopsis

Poly(styrene-graft-isobutylene) (PS-graft-PIB) and poly(styrene-graft-chlorobutyl) (PSgraft-Cl-IIR) have been synthesized by the grafting of PIB and Cl-IIR onto polystyrene waste in conjunction with AlCl 3 /HCl as catalyst. The grafting ef®ciency (GE) and overall graft composition have been studied. The synthesized graft polymers were puri®ed and characterized by IR and 1 H NMR analysis. Thermogravimetric analysis (TG) and differential scanning calorimetry (DSC) were used to study the thermal characteristics of the graft. It is shown that the grafting induces better thermal stability for polystyrene.

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