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Copolymerization of zinc acrylate with acrylonitrile initiated by As 2 S 3 –styrene complex
Author(s) -
Agrawal B. P.,
Srivastava A. K.
Publication year - 1994
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.1994.210340114
Subject(s) - copolymer , acrylonitrile , styrene , polymer chemistry , kinetics , thermal stability , chemistry , acrylate , zinc , ethyl acrylate , materials science , polymer , organic chemistry , physics , quantum mechanics
Radical copolymerization of zinc acrylate (ZnA 2 ) with acrylonitrile (AN), initiated by As 2 S 3 –styrene complex(I), in dimethyl Sulphoxide (DMSO) at 90 ± 0.1°C for 1.0h under inert atmosphere, yields non‐alternating copolymers. The kinetic expression is R p ∝ [I] 0.33 [ZnA 2 ] 0.25 [AN] 0.44 , i.e. the system follows non‐ideal kinetics, which is due to primary radical termination as well as degradative chain transfer reactions. The values for activation energy ( E ) and k 2 p / k t are 128kJ mol −1 and 8.57 × 10 −7 litre mol −1 s −1 , respectively. Thermal stability, solubility in different solvents, and IR and NMR spectra have been evaluated.