SSIMS STUDIES OF HYDROPHOBIC RECOVERY - OXYGEN PLASMA TREATED PS

被引：44

作者：

OCCHIELLO, E ^{[1
]}

MORRA, M ^{[1
]}

GARBASSI, F ^{[1
]}

JOHNSON, D ^{[1
]}

HUMPHREY, P ^{[1
]}

机构：

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

来源：

APPLIED SURFACE SCIENCE | 1991年 / 47卷 / 03期

关键词：

D O I：

10.1016/0169-4332(91)90037-K

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

SSIMS (static secondary ion mass spectroscopy) has been used to aid in the interpretation of hydrophobic recovery of oxygen plasma treated PS (polystyrene), together with XPS (X-ray photoelectron spectroscopy) and water contact angle measurements. The heterogeneity in sputter yields of different ions did not allow complete qualitative and quantitative information to be obtained. Yet negative ion spectra of surfaces treated with plasmas of isotopically enriched oxygen allowed us to follow closely the disappearance of polar groups during hydrophobic recovery. Furthermore, using isotopically enriched PS samples, it was possible to obtain unambiguous information about molecular weight and temperature-induced changes in the hydrophobic recovery mechanism, which could not have been provided by XPS.

引用

页码：235 / 242

页数：8

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