화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.12, No.4, 407-412, August, 2004
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Synthesis and Properties of Poly[2-ethynyl-N-(p-hydroxyphenylethyl) pyridinium bromide] and Poly[2-ethynyl-N-(p-hydroxyphenylethyl) pyridinium tetraphenylborate]
Yeong-Soon Gal†, Sung-Ho Jin1, Won-Chul Lee2, and Sang Youl Kim3
  • Polymer Chemistry Laboratory, College of General Education, Kyungil University, Gyungsan 712-701, Korea
  • 1Department of Chemistry Education, Pusan National University, Busan 609-735, Korea
  • 2Department of Textile and Fashion Technology, Kyungil University, Gyungsan 712-701, Korea
  • 3Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea
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A new hydroxyl group-containing conjugated ionic polymer, 2-ethynyl-N-(p-hydroxyphenylethyl) pyridinium bromide], was synthesized by the activated polymerization of 2-ethynylpyridine with p-(2-bromoethyl) phenol without any additional initiator or catalyst. The polymerization proceeded well to give a moderate yield (65%) of polymer at a reaction temparature of 90 ℃. Another polymer, poly[2-ethynyl-N-(p-hydroxyphenylethyl) pyridinium tetraphenylborate], was readily prepared by the ion-exchange reaction of poly[2-ethynyl-N-(phydroxyphenylethyl) pyridinium bromide] with sodium tetraphenylborate. These polymers were completely soluble in organic solvents such as DMF, DMSO, and acetone, but insoluble in water and ether. Instrumental analyses, such as NMR, IR, and UV-Vis spectroscopies, indicated that the new materials have conjugated polymer backbone systems with the designed substituents and counter anions. X-Ray diffraction analyses of the polymers indicated that they were mostly amorphous.
Keywords:conjugated polymer;2-ethynylpyridine;characterization;ion-exchange reaction;sodium tetraphenylborate
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