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
收藏
页码：383 / 388
页数：6
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