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Digitale Medien

Effect of substituent distribution on water solubility of O-methylcellulose (1997)

LIU, HAI QING ; ZHANG, LI NA ; TAKARAGI, AKIRA ; [weitere]

Springer

Cellulose 4 (1997), S. 321-327

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ISSN: 1572-882X

Schlagwort(e): O-methylcellulose ; water solubility ; substituents distribution ; regioselective substitution ; hydrogen bonding

Quelle: Springer Online Journal Archives 1860-2000

Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Abstract The effect of substituent distribution on the water solubility of O-methylcellulose (MC) was re-examined to elucidate the lower limit of the degree of substitution (DS) in water-soluble MC. To this end, a series of 2,3-MCs which are regioselectively substituted at the C-2 and C-3 hydroxyl groups were prepared by homogeneous methylation. It was found that the lower limit for the DS value of water-soluble 2,3-MC was almost the same as that for MCs having even distributions of substituents along the cellulose chain as well as in the anhydroglucose units.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1018404426960

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