REHYDROGENATION BEHAVIOUR OF DEUTERATED CELLULOSE I AND CELLULOSE II WITH ALCOHOLS

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  • Kai Akira
    Faculty of Technology, Tokyo Metropolitan University

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  • 重水素化セルロースのアルコール類による軽水素化挙動について
  • ジュウスイソカ セルロース ノ アルコールルイ ニ ヨル ケイスイソカ キョドウ ニ ツイテ

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This paper reports on the infrared study of the rehydrogenation of deuterated cellulose I and cellulose II with alcohols and water.<br>Deuteration of the crystalline region of cellulose II at room temperature was carried out. It was observed that all the hydroxyl groups in the crystalline region were completely deuterated. In the amorphous region, the rehydrogenation behaviour of the deuterated cellulose II with alcohols at room temperature is quite different from that with water, but in the crystalline region the difference is very slight.<br>It was shown, however, that the rehydrogenations of the resistant OD in the cellulose I and cellulose II with alcohols at temperatures from 110° to 170°C were not different from that with water.<br>It is most provable that the rehydrogenation of crystalline cellulose proceeded by proton transfer.

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  • Sen'i Gakkaishi

    Sen'i Gakkaishi 28 (10), 381-386, 1972

    The Society of Fiber Science and Technology, Japan

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