This book presents data on thermal relaxation properties of chitosan neutralized and non-neutralized films as a function of water content using dynamical mechanical analysis and dielectric spectroscopy in the temperature range from 20 to 250A(deg)C. Three relaxation processes have been observed in different temperature and frequency ranges. For the first time, the low frequency a-relaxation associated with the glass-rubber transition, which relates to a plasticizing effect of water, has been detected by this technique in both chitosan forms in the temperature range 20-70A(deg)C and for moisture contents between 0.5 to 10 wt %. This book discusses various relaxation processes in chitosan films.
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格式 PDF ● 网页 56 ● ISBN 9781536111507 ● 编辑 L. Chacon-Garcia & J. Betzabe Gonzalez-Campos ● 出版者 Nova Science Publishers ● 发布时间 2017 ● 下载 3 时 ● 货币 EUR ● ID 7216503 ● 复制保护 Adobe DRM
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