화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.11, No.6, 501-505, December, 2003
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Synthesis of Poly(1,6-heptadiyne) Derivatives Containing Bulky Substitutents by Metathesis Polymerization
Sung-Ho Jin†, Jeong-Yi Jin, Young-Inn Kim, Dong-Kyu Park1, and Yeong-Soon Gal2
  • Department of Chemistry Education, Pusan National University, Busan 609-735, Korea
  • 1Department of Chemistry, Kyungsung University, Busan 608-736, Korea
  • 2Polymer Chemistry Lab., Kyungil University, Hayang 712-701, Kyungsangbuk-Do, Korea
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Poly(1,6-heptadiyne) derivatives with phenoxy and 3,7-dimethyloctyloxyphenoxy substituents were synthesized using metathesis polymerization. Polymerizations using MoCl5 as the sole catalyst gave high yields and the resulting polymers were completely soluble in organic solvents. The polymers’ structures and thermal properties were characterized using NMR and UV-Vis spectroscopy, as well as with TGA and DSC thermograms. From the analysis of the high-resolution 13C-NMR spectra, we was found that these polymers contain six-membered rings. The number-average molecular weights and polydispersities of the polymers were ca. 7.0~20 × 103 and 3.1~5.8, respectively. The glass transition temperatures of the polymers were found to be in the range 91~159 ℃.
Keywords:polyacetylene;poly(1,6-heptadiyne);metathesis polymerization;six-membered ring;conductivity.
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