Surface chemical characterization using XPS and ToF-SIMS of latex particles prepared by the emulsion copolymerization of methacrylic acid and styrene

被引：29

作者：

Davies, MC

Lynn, RAP

Hearn, J

Paul, AJ

Vickerman, JC

Watts, JF

机构：

[1] NOTTINGHAM POLYTECH,DEPT CHEM & PHYS,NOTTINGHAM NG11 8NS,ENGLAND

[2] CTR SURFACE & MAT ANAL,MANCHESTER M1 7ED,LANCS,ENGLAND

[3] UNIV MANCHESTER,INST SCI & TECHNOL,DEPT CHEM,MANCHESTER M60 1QD,LANCS,ENGLAND

[4] UNIV SURREY,DEPT MAT SCI & ENGN,GUILDFORD GU2 5XH,SURREY,ENGLAND

来源：

LANGMUIR | 1996年 / 12卷 / 16期

关键词：

D O I：

10.1021/la960169j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of colloids based on poly(styrene) were prepared by emulsion copolymerization with various proportions of methacrylic acid. X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectrometry (ToF-SIMS) were used to monitor changes in particle surface composition and indicated a substantial enrichment of the methacrylic acid component. Further evidence for the presence of carboxyl groups at the particle surfaces was provided by electrophoretic mobility measurements, which showed a marked increase over the pH range studied.

引用

页码：3866 / 3875

页数：10

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