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Himiâ Rastitelʹnogo Syrʹâ
Article . 2013 . Peer-reviewed
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СВОЙСТВА ПЛЕНОК НАНОКРИСТАЛЛИЧЕСКОЙ ЦЕЛЛЮЛОЗЫ С РАЗЛИЧНЫМ СОДЕРЖАНИЕМ СУЛЬФАТНЫХ ГРУПП

СВОЙСТВА ПЛЕНОК НАНОКРИСТАЛЛИЧЕСКОЙ ЦЕЛЛЮЛОЗЫ С РАЗЛИЧНЫМ СОДЕРЖАНИЕМ СУЛЬФАТНЫХ ГРУПП

Abstract

Samples of nanocrystalline cellulose (NCC) with various contents of sulfate groups are studied by means of methods of atomic force microscopy, X-ray diffraction, thermogravimetric analysis, differential scanning calorimetry. Properties of films derived by water evaporation from aqueous NCC dispersion depend on concentration of sulfate groups: the temperature and type of thermodestruction are changed versus contents of sulfate groups; the surface morphology alters and surface roughness increases; water adsorption increases particularly at high relative pressure.

Методами атомно-силовой микроскопии, дифференциальной сканирующей калориметрии, рентгеноструктурного и термогравиметрического анализа изучены образцы нанокристаллической целлюлозы (НКЦ) с различным содержанием сульфатных групп. Концентрация сульфатных групп влияет на свойства пленок, полученных испарением воды из водных дисперсий НКЦ: снижается температура и изменяется характер терморазложения; изменяется морфология поверхности и увеличивается ее шероховатость, адсорбция воды, особенно при повышенных относительных давлениях.

Keywords

nanocrystalline cellulose, hydrolysis, нанокристаллическая целлюлоза, морфология поверхности, surface morphology, гидролиз

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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