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Found 2 items.

  • Study of Hydrophilic Properties of Polysaccharides

    Michael Ioelovich
    12-23

    Article ID: 4181
    389  (Abstract) 237  (Download)

    Abstract:

    In this research, the structural characteristics, specific surface area, sorption of water vapor, and wetting enthalpy of various polysaccharides (cellulose, hemicelluloses, starch, pectin, chitin, and chitosan) have been studied. It was confirmed that crystallites are inaccessible for water, and therefore water molecules can interact only with polar groups in noncrystalline (amorphous) domains of biopolymers. The... More

    2021-12-30

  • Study of Structural Characteristics of Cellulose Esters with Different Degrees of Substitution

    Michael Ioelovich
    38-43

    Article ID: 4805
    233  (Abstract) 146  (Download)

    Abstract:

    In this article, structural characteristics of amorphous mono-, di-, and
    tri-substituted esters of cellulose have been studied. These esters were
    synthesized under homogenous conditions using anhydrides of various
    aliphatic acids. The specific gravity of the highly substituted samples was
    measured by a pycnometric method in the aqueous medium. To calculate
    the molar, Van der Waals, and free volumes, as well... More

    2022-07-29
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