STUDY ON THE CHARACTERIZATION OF DISTRIBUTION OF SUBSTITUENTS ALONG THE CHAINOF CARBOXYMETHYL CELLULOSE

MA Zhiyi; ZHANG Weibang; LI Zhuomei

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STUDY ON THE CHARACTERIZATION OF DISTRIBUTION OF SUBSTITUENTS ALONG THE CHAINOF CARBOXYMETHYL CELLULOSE

Papers | Updated：2021-06-21

- STUDY ON THE CHARACTERIZATION OF DISTRIBUTION OF SUBSTITUENTS ALONG THE CHAINOF CARBOXYMETHYL CELLULOSE
- Vol. 7, Issue 1, Pages: 45-53(1989)
- Affiliations：
  
  1. Institute of Polyraer Science, Zhongshan University, Cuangzhou
  2. Zhongshan University
  3. Zhongshan University Guangzhou
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 March 1989
- Accepted：
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[1]马志艺,张维邦,李卓美.STUDY ON THE CHARACTERIZATION OF DISTRIBUTION OF SUBSTITUENTS ALONG THE CHAINOF CARBOXYMETHYL CELLULOSE[J].Chinese Journal of Polymer Science,1989,{4}(01):45-53.

MA Zhiyi, ZHANG Weibang, LI Zhuomei. STUDY ON THE CHARACTERIZATION OF DISTRIBUTION OF SUBSTITUENTS ALONG THE CHAINOF CARBOXYMETHYL CELLULOSE[J]. 1989, 7(1): 45-53.
[1]马志艺,张维邦,李卓美.STUDY ON THE CHARACTERIZATION OF DISTRIBUTION OF SUBSTITUENTS ALONG THE CHAINOF CARBOXYMETHYL CELLULOSE[J].Chinese Journal of Polymer Science,1989,{4}(01):45-53. DOI：

MA Zhiyi, ZHANG Weibang, LI Zhuomei. STUDY ON THE CHARACTERIZATION OF DISTRIBUTION OF SUBSTITUENTS ALONG THE CHAINOF CARBOXYMETHYL CELLULOSE[J]. 1989, 7(1): 45-53. DOI：

摘要

正

Four new paranmeters

and

and have been proposed to describe the average length of the sequence of substituted anhydroglucose units and that of unsubstituted ones respectively along the CMC chain. The methods for determining those parameters have also been presented . Six CMC samples have been characterized in terms of intrinsic viscosity

degree of substitution （DS）

index of substitution（SI）

and . It has been proved experimentally that

not only can describe the sequence distribution along the CMC chain

but also can be used for calculating SI and estimating the average degree of substitution in the substituted glucose rings.

Abstract

Four new paranmeters

and

degree of substitution （DS）

index of substitution（SI）

and . It has been proved experimentally that

not only can describe the sequence distribution along the CMC chain

but also can be used for calculating SI and estimating the average degree of substitution in the substituted glucose rings.

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