高等学校化学学报

高等学校化学学报 ›› 1985, Vol. 6 ›› Issue (6): 565.

• 研究简报 • 上一篇    

聚甲基丙烯酸己磺酸钠特性粘数与数均分子量关系

陈竹生, 郭海清, 何元康, 陈慧英   

  1. 北京大学化学系
  • 收稿日期:1984-01-21 出版日期:1985-06-24 发布日期:1985-06-24

Empirical Correlations Between intrinsic Viscosity and Number-Average Molecular Weight for Aqueous Solution of PSSHMA

Chen Zhusheng, Go Haiqing, He Yuankang, Chen Weiying   

  1. Department of Chemistry, Peking University, Beijing
  • Received:1984-01-21 Online:1985-06-24 Published:1985-06-24

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摘要： 前文已报导了具有较好抗凝血性能的新型聚电解质,聚甲基丙烯酸己磺酸钠(PSSH-MA)的合成,用统计方法对盐存在时PSSHMA溶液的粘性研究及用小角激光光散射法测定的PSSHMA体系的特性粘数和重均分子量的关系。本文进一步用KNAUER膜渗透计测定了该体系的特性粘数与数均分子量的关系[6],并进一步探讨聚电解质水溶液渗透压测定中的一些问题。

Abstract: The sodium salt of poly-6-sulfohexyl methacrylate (PSSHMA) has been synthesized. In 0.15M NaCl,refractionation and triangle fractionation by precipitation from a solvent-nonsolvent mixture was carried out by adding alcohol to a dilute aqueous solution of the PSSHMA. Mn and [η] were measured by means of osmometry and viscometry. Empirical correlation between intrinsic viscosity and molecular weight was obtained as follows [η] =3.06×10-3 Mn0.82. The reasonable conditions of measurement of osmometry and viscometry were also discussed.

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