INTERACTION BETWEEN DYES AND POLYELECTROLYTES .6. METACHROMATIC BEHAVIOR OF METHYLENE-BLUE INDUCED BY POTASSIUM POLYVINYL SULFATE) AND ITS HOMOLOGS

被引：27

作者：

SHIRAI, M ^{[1
]}

NAGATSUKA, T ^{[1
]}

TANAKA, M ^{[1
]}

机构：

[1] UNIV OSAKA PREFECTURE,FAC ENGN,DEPT APPL CHEM,SAKAI,OSAKA 591,JAPAN

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1977年 / 15卷 / 09期

关键词：

POLYELECTROLYTES - POTASSIUM COMPOUNDS - SPECTROPHOTOMETERS - VINYL RESINS;

D O I：

10.1002/pol.1977.170150905

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In the reported experiments, effect of structure of potassium poly(vinyl sulfate) and its homologs on the metachromatic behavior of methylene blue was investigated spectrophotometrically. the metachromatic behavior with addition of polyanions was followed by the changes in the molar extinction coefficient of the 664 nm band of methylene blue and in the wavelength of metachromatic band. Important factors for metachromasy were the number of anionic sites per polymer molecule, the degree of polymerization, and the flexibility of polymer chain. It was found that the amount of KCl or urea required to destroy the metachromasy was a useful measure for estimating the binding strength of methylene blue to polyanions.

引用

页码：2083 / 2095

页数：13

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