Quaternary ammonium salts of carboxymethylcellulose.

摘要

A quaternary ammonium salt of carboxymethylcellulose having the formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="34" wi="80" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>
wherein R is a hydrogen atom or a quaternary ammonio carboxymethyl group, and n is an integer from 10 to 1000, provided that a degree of substitution by carboxymethyl group per anhydrous glucose unit in said carboxymethylcellulose is 1.5 or more.