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Radical polymerization of methyl acrylate initiated by styrene‐arsenic sulphide complex
Author(s) -
Shukla Prerna,
Srivastava A. K.
Publication year - 1991
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.4990250305
Subject(s) - styrene , polymerization , hydroquinone , polymer chemistry , activation energy , methyl acrylate , kinetics , radical polymerization , chemistry , acrylate , polymer , materials science , organic chemistry , copolymer , physics , quantum mechanics
A styrene‐arsenic sulphide complex in DMSO at 85 ± 0.1°C initiates radical polymerization of methyl acrylate over 90 min under a N 2 blanket. Conversion reaches 83% without gelation and results in the formation of polymer having average degree of polymerization 710. Analysis of the kinetic data (up to 29% conversion) indicates that the system follows ideal kinetics. The reaction is retarded by hydroquinone. The overall activation energy and value of k 2 p / k t are 96 kJ mol −1 and 6.9 × 10 −3 litre mol −1 s −1 , respectively.
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