LIGHT SCATTERING OF POLYSACCHARIDE FROM LACQUER IN AQUEOUS SOLUTION

ZHANG Lina; DU Yumin; KUMANOTANI JU

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LIGHT SCATTERING OF POLYSACCHARIDE FROM LACQUER IN AQUEOUS SOLUTION

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- LIGHT SCATTERING OF POLYSACCHARIDE FROM LACQUER IN AQUEOUS SOLUTION
- Vol. 7, Issue 3, Pages: 252-257(1989)
- Affiliations：
  
  1. Department of Chamistry, Wuhan University, Wuhan) KUMANOTANI JU
  2.   Wuhan University
  3.   Wuhan
  4.   Faculty of Engineering
  5.   Ehime University
  6.   Japan
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 September 1989
- Accepted：
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[1]张俐娜,杜予民,KUMANOTANI JU.LIGHT SCATTERING OF POLYSACCHARIDE FROM LACQUER IN AQUEOUS SOLUTION[J].Chinese Journal of Polymer Science,1989,{4}(03):252-257.

ZHANG Lina, DU Yumin, KUMANOTANI JU. LIGHT SCATTERING OF POLYSACCHARIDE FROM LACQUER IN AQUEOUS SOLUTION[J]. 1989, 7(3): 252-257.
[1]张俐娜,杜予民,KUMANOTANI JU.LIGHT SCATTERING OF POLYSACCHARIDE FROM LACQUER IN AQUEOUS SOLUTION[J].Chinese Journal of Polymer Science,1989,{4}(03):252-257. DOI：

ZHANG Lina, DU Yumin, KUMANOTANI JU. LIGHT SCATTERING OF POLYSACCHARIDE FROM LACQUER IN AQUEOUS SOLUTION[J]. 1989, 7(3): 252-257. DOI：

摘要

正

The polysaccharide having weight-average molecular weight M

=1. 09×10

isolated from the sap of lac trees （Vietnam）

was separated into 12 fractions by aqueous-phase preparative gel permeation chromatography. The molecular weights and molecular weight distributions of the fractions were measured in aqueous 0.08M KCl/0.01 M NaAc and 0.4M KCl/0.05M NaAc at pH =7. 6 by light scattering

viscometry and gel permeation chromatography. The Mark-Houwink equation in aqueous 0.08M KCl/0.01M NaAc at 30℃was found to be [η]= 2.28×10

-2

0.52

（cm

/g）

which indicated the polysaccharide chain in the aqueous solution to be a spherical random coil.

Abstract

The polysaccharide having weight-average molecular weight M

=1. 09×10

isolated from the sap of lac trees （Vietnam）

viscometry and gel permeation chromatography. The Mark-Houwink equation in aqueous 0.08M KCl/0.01M NaAc at 30℃ was found to be [η]= 2.28×10

-2

0.52

（cm

/g）

which indicated the polysaccharide chain in the aqueous solution to be a spherical random coil.

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