Study of the Structure and Sorption Properties of Some Types of Celluloseстатья
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Дата последнего поиска статьи во внешних источниках: 25 мая 2022 г.
Аннотация:The pulsed NMR, isopiestic and pycnometric methods are applied to investigate the physicochemical properties of softwood [GOST (State Standard) 9571-89] and hardwood [GOST 28172-89] celluloses, as well as flax cellulose [GOST 10330-76, 9394-76], both in the initial state and subjected to chemical treatment. Possible changes occurring in the supramolecular structure of a polymer are analyzed. The structural and sorption char- acteristics of the investigated samples are calculated. Their water absorption capacities are determined