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Cyclopolymerization of 4,4-diphenoxy-1,6-heptadiyne by transition metal catalysts

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Summary

Cyclopolymerization was carried out by various catalyst systems. MoCl5-based catalyst systems are more effective for the polymerization of 4,4-diphenoxy-1,6-heptadiyne than WCl6-based catalyst systems. Polymerization of 4,4-diphenoxy-1,6-heptadiyne leads to soluble, purple colored polymer with number average molecular weight (Mn) of 3.6x104-5.2x104.1H- and13C-MNR, IR,and UV-visible spectra of the resulting polymer indicated that poly(4,4-diphenoxy-1,6-hepatadiyne) possesses a polyene structure presumably with cyclic recurring units in the polymer backbone. Poly(4,4-diphenoxy-1,6-heptadiyne) had good thermal and oxidative stability, and good solubility in organic solvents. The electrical conductivity of iodine-doped polymer was 10−3-10−2 S/cm.

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Authors and Affiliations

  1. Department of Chemistry, Korea Advanced Institute of Science and Technology, 373-1 Kusung-Dong, Yusung-Gu, 305-701, Taejon, Korea

    Hyn-Ku Ahn, Yun-Hi Kim, Sung-Ho Jin & Sam-Kwon Choi

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  1. Hyn-Ku Ahn
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  2. Yun-Hi Kim
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  3. Sung-Ho Jin
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  4. Sam-Kwon Choi
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Ahn, HK., Kim, YH., Jin, SH. et al. Cyclopolymerization of 4,4-diphenoxy-1,6-heptadiyne by transition metal catalysts. Polymer Bulletin 29, 625–632 (1992). https://doi.org/10.1007/BF01041147

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  • DOI: https://doi.org/10.1007/BF01041147

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