Absolute molecular mass determination of sodium salt of styrene/methacrylic acid copolymer by gel permeation chromatography coupled with multi angle laser light scattering

被引：2

作者：

Yang, Xue ^{[1
]}

Liu, Zequan ^{[1
]}

Xie, Yinping ^{[2
]}

Zhang, Qiang ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Chem, Beijing 100081, Peoples R China

[2] Shandong Pesticide Res Inst, Jinan 250000, Peoples R China

来源：

POLYMER SCIENCE SERIES A | 2015年 / 57卷 / 04期

关键词：

SIZE-EXCLUSION CHROMATOGRAPHY; MOLAR-MASS; GPC DETERMINATIONS; SEC-MALLS; WEIGHT; STABILIZATION; DISPERSANTS; POLYMERS;

D O I：

10.1134/S0965545X1504015X

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Sodium salt of styrene/methacrylic acid copolymer was synthesized via radical polymerization, and its absolute molecular mass and polydispersity index were measured by aqueous-based GPC coupled with MALLS in a mixed solvent containing 75/25, v/v%, methanol/water, 38.6 mM NaCl and 10.0 mM NaH2PO4 buffer, pH 6.0. Dynamic light scattering verified the absence of aggregation of copolymer in preferred mobile phase compositions.

引用

页码：383 / 388

页数：6

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