ANALYSIS OF POLYMER SURFACES BY SIMS .16. INVESTIGATION OF SURFACE CROSS-LINKING IN POLYMER GELS OF 2-HYDROXYETHYL METHACRYLATE

被引：30

作者：

CHILKOTI, A

LOPEZ, GP

RATNER, BD

HEARN, MJ

BRIGGS, D

机构：

[1] UNIV WASHINGTON, DEPT CHEM ENGN, BF-10, SEATTLE, WA 98195 USA

[2] UNIV WASHINGTON, CTR BIOENGN, SEATTLE, WA 98195 USA

[3] ICI PLC, WILTON RES CTR, MIDDLESBROUGH TS6 8JE, CLEVELAND, ENGLAND

来源：

MACROMOLECULES | 1993年 / 26卷 / 18期

关键词：

D O I：

10.1021/ma00070a016

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A series of poly(2-hydroxyethyl methacrylate) gels cross-linked with different concentrations of ethylene glycol dimethacrylate were examined by static secondary ion mass spectrometry (SIMS). Changes in the peak intensities of atomic versus molecular secondary ions were observed in negative ion SIMS as a function of cross-linker concentration. These changes in the distribution of secondary ions as a function of cross-linker concentration, and thus as a function of molecular weight between cross-links, are discussed with respect to the factors affecting secondary ion emission during the SIMS process. The sensitivity of static SIMS to the concentration of cross-links in the polymer chains on the surface of the polymer, demonstrated by this study, may advance the study of technologically relevant surface modifications involving surface cross-linking.

引用

页码：4825 / 4832

页数：8

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