Journal
POLYMER
Volume 43, Issue 25, Pages 7037-7042Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0032-3861(02)00655-9
Keywords
controlled polymerization; reversible addition fragmentation transfer reactions; 2-cyanoprop-2-yl 1-dithio naphthalate (CPDN)
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Polymerization of methyl methacrylate was carried out in the presence of 2-cyanoprop-2-yl 1-dithionaphthalate (CPDN). The results exhibit controlled polymerization characters: well-controlled molecular weight, narrow polydispersity (minimal value: 1.09), molecular weight linearly increasing with conversion and first-order kinetics of polymerization. The polymer can be used to synthesize methyl methacrylate-styrene copolymer with narrow polydispersity (minimal value: 1.22). The polymers were characterized by H-1 NMR and GPC. The effect of molar ratio among MMA/CNDB/AIBN on polymerization was investigated. (C) 2002 Elsevier Science Ltd. All rights reserved.
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