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Changes in substituent distribution patterns during the conversion of cellulose toO-(2-hydroxyethyl) celluloses

✍ Scribed by P. W. Arisz; H. T. T. Thai; J. J. Boon; W. G. Salomons


Publisher
Springer
Year
1996
Tongue
English
Weight
965 KB
Volume
3
Category
Article
ISSN
0969-0239

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## Abstract **Summary:** Three HECs with a high __MS__ (HEC 1: 1.89, HEC 2: 1.94, HEC 3: 3.03) were analyzed with respect to their substituent distribution and tandem reaction in the glucosyl unit by GLC of the corresponding glucitol acetates, and along the polymer chain by MALDI‐ToF‐MS after a mul

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## SYNOPSIS Carboxymethyl cellulose was synthesized in two-phase medium containing benzene, ethanol, and water. The distribution of substitution of hydroxyl group attached to Ck Carbons ( k = 2, 3, and 6) in an anhydroglucose unit (AGU) was determined by 'H-NMR method. It showed that the sequence