Polymer(Korea) (폴리머)

The Polymer Society of Korea (한국고분자학회)
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Methacrylate Polymers Having Pendant Chalcone Moieties: Monomer Reactivity Ratios, Thermal and Optical Properties

캘콘기를 가지는 메타크릴레이트 고분자: 모노머 반응성비와 열적 광학적 성질

  • Barim, Gamze (Department of Chemistry, Faculty of Science and Arts, University of Adiyaman) ;
  • Altun, Ozgul (Department of Chemistry, Faculty of Science and Arts, University of Adiyaman) ;
  • Yayla, Mustafa Gokhun (Physics Engineering Department, Faculty of Science and Letters, Istanbul Technical University)
  • Received : 2014.02.21
  • Accepted : 2014.07.01
  • Published : 2015.01.25
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Abstract

A new methacrylate copolymer that includes chalcone as a side group, poly(4-methacryloyloxyphenyl-4'-methoxystyryl ketone-co-styrene) was synthesized by free radical copolymerization. FTIR and $^1H$ NMR spectroscopic techniques were used to characterize the homopolymers and copolymers. The copolymerizations were carried out to high conversions. Copolymer compositions were established by $^1H$ NMR spectra analysis. The monomer reactivity ratios for copolymer system were determined by the linearized Kelen $T{\ddot{u}}d{\ddot{o}}s$, and Extended Kelen $T{\ddot{u}}d{\ddot{o}}s$ methods and a non-linear least squares method. The molecular weights and polydispersity index of copolymers were measured by using the gel permeation chromatography (GPC). The effect of copolymer compositions on their thermal behavior were studied by differential scanning calorimetry and thermogravimetric analysis methods. The optical properties of the resulting copolymer were also investigated.

Keywords

Acknowledgement

Supported by : Adiyaman University

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