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Water solubility of regioselectively 2,3-O-substituted carboxymethylcellulose (1997)

Liu, Hai-Qing ; Zhang, Li-Na ; Takaragi, Akira ; [et al.]

Weinheim : Wiley-Blackwell

Macromolecular Rapid Communications 18 (1997), S. 921-925

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ISSN: 1022-1336

Keywords: Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: A series of 2,3-O-carboxymethylcelluloses (CMC's), which are regioselectively substituted at the C-2 and C-3 position, were prepared and their water solubility was examined. It was found that the lower limit for the degree of substitution (DS) value of water-soluble 2,3-O-CMC is about 0.3. This value was almost the same as that of CMC prepared in a slurry of isopropyl alcohol/water with isopropyl chloroacetate and sodium hydroxide, showing that the uniform alkylation is rather important to convert cellulose into water-soluble derivatives.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/marc.1997.030181005

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