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Radical terpolymerization of zincacrylate, acrylonitrile, and styrene initiated by As 2 S 3 ‐styrene complex
Author(s) -
Agrawal B. P.,
Srivastava A. K.
Publication year - 1994
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760340611
Subject(s) - styrene , acrylonitrile , copolymer , activation energy , materials science , polymer chemistry , kinetics , thermal stability , solubility , chemistry , polymer , organic chemistry , physics , quantum mechanics , composite material
Terpolymerization was investigated by dilatometry for zincacrylate (ZnA 2 ), acrylonitrile (AN), and styrene (St), radically initiated by a As 2 S 3 ‐styrene complex (I) in dimethyl sulphoxide (DMSO), at 90 ± 0.1°C for 1 h under inert atmosphere. The system follows non‐ideal kinetics, due to primary radical termination as well as a degradative chain transfer reaction. The kinetic expression for the system is R p α(I) 0.27 (St) 0.31 (AN) 0.22 [ZnA 2 ] 0.12 . The value for the activation energy and k p 2 / k t are 55 kJ mol −1 and 1.87 × 10 −7 1 mol −1 s −1 respectively. The terpolymer has been characterized by IR and NMR spectroscopy. The thermal stability and solubility of the terpolymer have also been studied.