Water Sorption and Drying Behavior of Crosslinked Dextrans | Zendy

Masatoshi Ruike | Zendy; Tomohiro Inoue | Zendy; Shingo Takada | Zendy; Kyoji Horie | Zendy; Norio Murase | Zendy

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Water Sorption and Drying Behavior of Crosslinked Dextrans

Author(s) -

Masatoshi Ruike,

Tomohiro Inoue,

Shingo Takada,

Kyoji Horie,

Norio Murase

Publication year - 1999

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.63.271

Subject(s) - sorption , desorption , hysteresis , chemical engineering , polymer , materials science , polymer chemistry , chromatography , chemistry , adsorption , organic chemistry , composite material , physics , quantum mechanics , engineering

The water sorption and drying behavior of crosslinked dextran gels was investigated in relation to the dependency on the density of the crosslinks. Sorption isotherms indicate that the amount of sorption was more for the gels with a lower crosslink density. Almost all the isotherms show sorption and desorption hysteresis, the extent of this hysteresis being more marked with the gels with lower crosslink density. The rate of drying was also dependent on the crosslink density. These results can be explained by considering that the polymer network in a gel with a low crosslink density is more flexible to easy change during water sorption and drying than in one with a higher crosslink density.

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