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

甲斐 昭

doi:10.2115/fiber.28.10_381

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

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甲斐昭

東京都立大学工学部

書誌事項

タイトル別名

REHYDROGENATION BEHAVIOUR OF DEUTERATED CELLULOSE I AND CELLULOSE II WITH ALCOHOLS
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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説明

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.