Surface modification of polymethylmethacrylate by UV light as studied by TOF‐SIMS

H. van der Wel; J. Lub

doi:10.1002/sia.740200508

Surface modification of polymethylmethacrylate by UV light as studied by TOF‐SIMS

H. van der Wel, J. Lub

Research output: Contribution to journal › Article › Academic › peer-review

11 Citations (Scopus)

Abstract

In the present paper the chemical modification upon exposure with UV light of 185 nm and 254 nm in an Ar atmosphere of the surface of polymethylmethacrylate (PMMA) is studied with time‐of‐flight secondary ion mass spectrometry (TOF‐SIMS). The results show that UV photodegradation of PMMA does not induce large changes in the TOF‐SIMS spectra. However, changes in the relative peak intensities for the photolysed samples and comparison with results from PMMA fragmentation upon ion bombardment show that the photodegradation has proceeded to a considerable extent. In addition, small peaks are observed due to ions that originate from oxidized PMMA groups.

Original language	English
Pages (from-to)	373-378
Number of pages	6
Journal	Surface and Interface Analysis
Volume	20
Issue number	5
DOIs	https://doi.org/10.1002/sia.740200508
Publication status	Published - 1 Jan 1993
Externally published	Yes

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abstract = "In the present paper the chemical modification upon exposure with UV light of 185 nm and 254 nm in an Ar atmosphere of the surface of polymethylmethacrylate (PMMA) is studied with time‐of‐flight secondary ion mass spectrometry (TOF‐SIMS). The results show that UV photodegradation of PMMA does not induce large changes in the TOF‐SIMS spectra. However, changes in the relative peak intensities for the photolysed samples and comparison with results from PMMA fragmentation upon ion bombardment show that the photodegradation has proceeded to a considerable extent. In addition, small peaks are observed due to ions that originate from oxidized PMMA groups.",

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AB - In the present paper the chemical modification upon exposure with UV light of 185 nm and 254 nm in an Ar atmosphere of the surface of polymethylmethacrylate (PMMA) is studied with time‐of‐flight secondary ion mass spectrometry (TOF‐SIMS). The results show that UV photodegradation of PMMA does not induce large changes in the TOF‐SIMS spectra. However, changes in the relative peak intensities for the photolysed samples and comparison with results from PMMA fragmentation upon ion bombardment show that the photodegradation has proceeded to a considerable extent. In addition, small peaks are observed due to ions that originate from oxidized PMMA groups.

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Surface modification of polymethylmethacrylate by UV light as studied by TOF‐SIMS

Abstract

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