Copolymerization of N-Vinyl pyrrolidone with methyl methacrylate by Ti(III)-DMG redox initiator

Ajithkumar Manayan Parambil, Yashoda Malagar Puttaiahgowda, Prasannakumar Shankarappa

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Redox copolymerization of N-inyl-2-pyrrolidone (NVP) with methyl methacrylate (MMA) was carried out using titanium(III)-dimethylglyoxime [Ti(III)-DMG] redox initiator in aqueous sulfuric acid-alcohol media. The resulting copolymer was characterized by FTIR, 1 H-NMR, and 13 C-NMR spectroscopic methods and elemental analysis. Thermal properties of the copolymer were determined by differential scanning calorimetric technique and thermograimetric analysis. The reactiity ratios of the monomers were computed by Fineman-Ross, Kelen-Tudos, and extended Kelen-Tudos methods at lower conersion. The reactiity ratios obtained r 1 (MMA) 1.69 and r 2(NVP) 0.03 showed richer content of MMA than NVP in the copolymer haing extreme ideal behaior. The distribution of monomer sequence along the copolymer chain was calculated using a statistical method based on reactiity ratios. Ti(III)-DMG redox initiator showed increased addition of NVP to MMA during copolymerization.

Original languageEnglish
Pages (from-to)397-409
Number of pages13
JournalTurkish Journal of Chemistry
Volume36
Issue number3
DOIs
Publication statusPublished - 06-2012

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Methacrylates
Titanium
Copolymerization
Copolymers
Monomers
Nuclear magnetic resonance
Statistical methods
Thermodynamic properties
Alcohols
Scanning
Oxidation-Reduction
N-vinyl-2-pyrrolidinone
dimethylglyoxime
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Parambil, Ajithkumar Manayan ; Puttaiahgowda, Yashoda Malagar ; Shankarappa, Prasannakumar. / Copolymerization of N-Vinyl pyrrolidone with methyl methacrylate by Ti(III)-DMG redox initiator. In: Turkish Journal of Chemistry. 2012 ; Vol. 36, No. 3. pp. 397-409.
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Copolymerization of N-Vinyl pyrrolidone with methyl methacrylate by Ti(III)-DMG redox initiator. / Parambil, Ajithkumar Manayan; Puttaiahgowda, Yashoda Malagar; Shankarappa, Prasannakumar.

In: Turkish Journal of Chemistry, Vol. 36, No. 3, 06.2012, p. 397-409.

Research output: Contribution to journalArticle

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