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Synthesis of poly(epichlorohydrin-g-methyl methacrylate) and poly(epichlorohydrin-g-styrene) graft copolymers by a combination of cationic and photopolymerization methods

✍ Scribed by Ismail Cakmak; Haci Baykara; Baris Set

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
233 KB
Volume
107
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

Poly(epichlorohydrin‐g‐styrene) and poly (epichlorohydrin‐g‐methyl methacrylate) graft copolymers were synthesized by a combination of cationic and photoinitiated free‐radical polymerization. For this purpose, first, epichlorohydrin was polymerized with tetrafluoroboric acid (HBF~4~) via a cationic ring‐opening mechanism, and, then, polyepichlorohydrin (PECH) was reacted ethyl‐hydroxymethyl dithio sodium carbamate to obtain a macrophotoinitiator. PECH, possessing photolabile thiuram disulfide groups, was used in the photoinduced polymerization of styrene or methyl methacrylate to yield the graft copolymers. The graft copolymers were characterized by ^1^H‐NMR spectroscopy, differential scanning calorimetry, and gel permeation chromatography. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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