Sen'i Gakkaishi
Online ISSN : 1884-2259
Print ISSN : 0037-9875
PREPARATION OF ACETATE RAYON BY THE ACETYLATION OF VISCOSE RAYON WITH ACETIC ANHYDRIDE VAPOR. (XXII) RATE OF REACETYLATION, SOLUBILITY AND WATER ABSORBENCY OF PARTIALLY ACETYLATED FIBRES
Ichiro SakuradaYasuyoshi SakaguchiKazuhiro Nagai
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1956 Volume 12 Issue 12 Pages 855-860

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Abstract

Rate of reacetylation, solubility and water absorbency of partially acetylated fibres were measured. The values depend not only on the average degree, but also on the conditions of acetylation. It must be attributed to the reason that the distribution of acetyl groups in the fiber is different according to the conditions of the acetylation.
Saponified fibers seem to retain to a certain degree the inner structure of the fibres before the saponification. Some discussions are given on the mechanism of the fibrous acetylation.

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© The Society of Fiber Science and Technology, Japan
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