LIQUID CRYSTALLINE STATE OF WATER-CARBOXYMETHYLCELLULOSE SYSTEMS SUBSTITUTED WITH MONO-AND DIVALENT CATIONS

Tatsuko Hatakeyama; Nursjamsu Bahar; Hyoe Hatakeyama

doi:10.2115/fiber.47.8_417

Sen'i Gakkaishi

Online ISSN : 1884-2259
Print ISSN : 0037-9875

LIQUID CRYSTALLINE STATE OF WATER-CARBOXYMETHYLCELLULOSE SYSTEMS SUBSTITUTED WITH MONO-AND DIVALENT CATIONS

Tatsuko Hatakeyama, Nursjamsu Bahar, Hyoe Hatakeyama

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JOURNAL FREE ACCESS

1991 Volume 47 Issue 8 Pages 417-420

DOI https://doi.org/10.2115/fiber.47.8_417

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Abstract

The liquid crystalline properties of the water-Li, -Na, -K, -Cs, -Mg, -Ca and -Ba carboxymethylcellulose (CMC) systems with water contents (W_c=water/dry CMC, g/g) of ca. 0 to 3.5 were investigated by polarizing light microscopy and differential scanning calorimetry. The above systems formed the nematic structure in a temperature ranging from 270K to 340K in a W_c ranging from ca. 0.6 to 2.5.

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