Bulletin of the Chemical Society of Japan p. 455 - 461 (1994)
Update date:2022-08-03
Topics:
Okada, Shuji
Matsuda, Hiro
Otsuka, Masaaki
Kikuchi, Naoto
Hayamizu, Kikuko
et al.
ω-(1,3-Butadiynyl) substituted 1-alkanol and alkanoic acid were synthesized and their polymerization behavior in crystals and in Langmuir-Blodgett (LB) films were investigated.Polymerization, using UV or γ-ray irradiation or thermal treatment, resulted in red- or golden-colored polymers.Since the absorption edge in the visible spectra of these polymers appeared at shorter wavelengths than those of the well known blue-colored polydiacetylenes, ?-conjugation is considered to be deteriorated to some extent.IR, X-ray diffraction, and solid-state 13C NMR measurements showed that the polymerization does not proceed in a single-crystal-to-single-crystal transition manner via regular 1,4-addition but with deterioration of the crystalline lattice.
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