高等学校化学学报

高等学校化学学报 ›› 1994, Vol. 15 ›› Issue (5): 775.

• 论文 • 上一篇    下一篇

海藻酸钠溶液溶胶-凝胶相转移的温度效应及IR光谱研究

张庆芝1, 郑洪河1, 王征宇2, 今野干南2, 斋藤正三郎2   

  1. 1. 河南师范大学化学系, 新乡, 453002;
    2. 东北大学分子化学工学部, 仙台980, 日本
  • 收稿日期:1993-05-15 修回日期:1993-09-19 出版日期:1994-05-24 发布日期:1994-05-24
  • 通讯作者: 张庆芝,男,54岁,教授.
  • 作者简介:张庆芝,男,54岁,教授.
  • 基金资助:

    河南省教育委员会基金

The Effect of Temperature on Sol-Gel Transition in Alginate Solution and the Investigation of Its IR Spectra

ZHANG Qing-Zhi1, ZHENG Hong-He1, WANG Zheng-Yu2, Mikio Konno2, Shozaburo Saito2   

  1. 1. Department of Chemistry, Henan Normal University, Xinxiang, 453002;
    2. Department of Molecular Chemistry and Engineering, Tohoku Unitiersity Sendai 980, Japan
  • Received:1993-05-15 Revised:1993-09-19 Online:1994-05-24 Published:1994-05-24

PDF (PC)

被引次数

7

摘要： 考察了3wt%海藻酸钠溶液中加入Cu2+、Co2+后,体系的粘度、电导与离子浓度、温度的关系,结合IR光谱对海藻酸钠溶液在溶胶-凝胶相转移过程中的分子结构与构型变化进行了解剖。

关键词: 海藻酸钠, 溶胶-凝胶相转移, 交联, 粘度

Abstract: In this paper, we determined the viscosity and conductivity of 3wt% sodium alginate solution mixed with various quantities of inorganic salt and at different temperatures.Together with IRspectrum, we predicated the structural alternation during the process of sol-gel transition. Aqualitative explanation was suggested on the difference of gelation ability between Cu2+ an Co2+ cations.

Key words: Sodium alginate, Sol-gel transition, Cross-link, Viscosity

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