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4‐Acetamidophenyl acrylate copolymers with acrylonitrile and N ‐vinyl‐2‐pyrrolidone: Synthesis, characterization, and reactivity ratios
Author(s) -
Reddy B. S. R.,
Balasubramaniam S.,
Suriyan M. R.
Publication year - 2005
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.22671
Subject(s) - acrylonitrile , copolymer , reactivity (psychology) , polymer chemistry , monomer , acrylate , thermal stability , materials science , chemistry , polymer , organic chemistry , medicine , alternative medicine , pathology
4‐Acetamidophenyl acrylate (APA) was synthesized and characterized by IR, 1 H and 13 C NMR spectroscopies. Homo‐ and copolymers of APA with acrylonitrile (AN) and N ‐vinyl‐2‐pyrrolidone (NVP) were prepared by a free radical polymerization. All the copolymer compositions have been determined by 1 H NMR technique, and the reactivity ratios of the monomer pairs have been evaluated using the linearization methods Fineman–Ross, Kelen–Tudos, and extended Kelen–Tudos. Nonlinear error‐in‐variable model (EVM) method was used to compare the reactivity ratios. The reactivity ratios for copoly(APA–AN) system were APA( r 1 ) = 0.70 and AN( r 2 ) = 0.333, and for copoly(APA–NVP) system the values were APA( r 1 ) = 4.99 and NVP( r 2 ) = 0.019. Thermal stability and molecular weights of the copolymers are reported. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 99: 1919–1927, 2006

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