Photomechanic Behavior of Main-chain Type of Polycoumarates

Photomechanic Behavior of Main-chain Type of Polycoumarates

Hydroxycinnamate derivatives which are polymerizable phenolic acids show two-types photoreactions such as intramolecular E-Z isomerization and intermolecular [2 + 2] cycloaddition. Although five derivatives of hydroxycinnamic acid were tried to polymerize by a conventional one-bottle method, only tw...

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Veröffentlicht in:Journal of Photopolymer Science and Technology 2013/06/25, Vol.26(2), pp.271-275
Hauptverfasser: Yazaki, Kagsuaki, Tateyama, Seiji, Kaneko, Daisake, Kaneko, Tetsuo
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bioplastics
cinnamoyls
phenols
photomechanics
photoreaction
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container_title Journal of Photopolymer Science and Technology
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creator Yazaki, Kagsuaki
Tateyama, Seiji
Kaneko, Daisake
Kaneko, Tetsuo
description Hydroxycinnamate derivatives which are polymerizable phenolic acids show two-types photoreactions such as intramolecular E-Z isomerization and intermolecular [2 + 2] cycloaddition. Although five derivatives of hydroxycinnamic acid were tried to polymerize by a conventional one-bottle method, only two polymers of poly(3-hydroxycinnamic acid) (P3HCA) and poly(3,4-dihydroxycinnamic acid) (PDHCA) were successfully prepared. Because these polymers had cinnamoyl moiety in every main-chain unit, the polymers should show efficient photoreactions by the UV irradiation. The hard-film of these polymers showed a photo-bending behavior. Furthermore, the photo-bending showed generation of high-power (170μN).
doi_str_mv 10.2494/photopolymer.26.271
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subjects bioplastics
cinnamoyls
phenols
photomechanics
photoreaction
title Photomechanic Behavior of Main-chain Type of Polycoumarates
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