Synthesis, characterization, microstructure determination and thermal studies of poly(N-vinyl-2-pyrrolidone-maleic anhydride-styrene) terpolymer

Manayan Parambil Ajithkumar, Malgar Puttaiahgowda Yashoda, Shankarappa Prasannakumar

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A series of poly(N-vinyl-2-pyrrolidone-maleic anhydride-styrene) terpolymers have been synthesized using titanium(III)-dimethylglyoxime redox initiator system. The usage of redox initiators in the terpolymerization was limited; hence it should be considered as a new approach. The reactivity of the monomers has been studied by well-accepted Kelen-Tudos and Fineman-Ross linear methods and compared with the nonlinear RREVM method. The results also suggested that the RREVM method is the most reliable and superior method for the estimation of reactivity ratios. The reactivity ratios for the terpolymer (r 1 0.99 and r 2 0.05) obtained from the RREVM method showed that the N-vinyl pyrrolidone-maleic anhydride complex was more predominant than styrene in the terpolymer and the complex had more attraction toward itself than styrene. The microstructure determination study depicts that alternating polymer can be prepared by increasing the styrene feed content. The resonance factor and polarity of the complex were calculated as 5.01 and 0.93, respectively, which were different from those of the individual monomers. These calculations would help in predicting the association of monomers during copolymerization. It was observed that the glass transition temperature of the terpolymer increased as the complex ratio in the terpolymer increased. The terpolymer was thermally stable up to 323 C.

Original languageEnglish
Pages (from-to)93-101
Number of pages9
JournalIranian Polymer Journal (English Edition)
Volume23
Issue number2
DOIs
Publication statusPublished - 02-2014

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Maleic Anhydrides
Terpolymers
Styrene
Maleic anhydride
Microstructure
Monomers
Terpolymerization
Titanium
Copolymerization
Hot Temperature
2-pyrrolidone
Polymers
Association reactions

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Polymers and Plastics
  • Materials Chemistry

Cite this

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title = "Synthesis, characterization, microstructure determination and thermal studies of poly(N-vinyl-2-pyrrolidone-maleic anhydride-styrene) terpolymer",
abstract = "A series of poly(N-vinyl-2-pyrrolidone-maleic anhydride-styrene) terpolymers have been synthesized using titanium(III)-dimethylglyoxime redox initiator system. The usage of redox initiators in the terpolymerization was limited; hence it should be considered as a new approach. The reactivity of the monomers has been studied by well-accepted Kelen-Tudos and Fineman-Ross linear methods and compared with the nonlinear RREVM method. The results also suggested that the RREVM method is the most reliable and superior method for the estimation of reactivity ratios. The reactivity ratios for the terpolymer (r 1 0.99 and r 2 0.05) obtained from the RREVM method showed that the N-vinyl pyrrolidone-maleic anhydride complex was more predominant than styrene in the terpolymer and the complex had more attraction toward itself than styrene. The microstructure determination study depicts that alternating polymer can be prepared by increasing the styrene feed content. The resonance factor and polarity of the complex were calculated as 5.01 and 0.93, respectively, which were different from those of the individual monomers. These calculations would help in predicting the association of monomers during copolymerization. It was observed that the glass transition temperature of the terpolymer increased as the complex ratio in the terpolymer increased. The terpolymer was thermally stable up to 323 C.",
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Synthesis, characterization, microstructure determination and thermal studies of poly(N-vinyl-2-pyrrolidone-maleic anhydride-styrene) terpolymer. / Ajithkumar, Manayan Parambil; Yashoda, Malgar Puttaiahgowda; Prasannakumar, Shankarappa.

In: Iranian Polymer Journal (English Edition), Vol. 23, No. 2, 02.2014, p. 93-101.

Research output: Contribution to journalArticle

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