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Alkaline erosion of CR 39 polymer surfaces

Faiman, Laurence (2009) Alkaline erosion of CR 39 polymer surfaces. Radiation Physics and Chemistry 78 (1), pp. 69-76. ISSN 0969-806X.

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We have investigated the mechanism of erosion of CR 39 polymer in alkaline environments. We observed the kinetics of absorption of water and methanol into both unirradiated and γ-irradiated samples. We use a capillary model to interpret our results. We etched our samples in both KOH solutions, and KOH solutions doped with methanol. Etch rate was desensitizing to γ-irradiation when KOH concentration approached saturation, but KOH solutions doped with methanol were not desensitizing, unlike with nuclear tracks. We account for this difference.

Item Type: Article
Keyword(s) / Subject(s): Alkaline degradation, surface erosion, surface roughness, CR 39 polymer, capillary uptake, saturation gradient, γ-Irradiation, nuclear tracks, Methanol, desensitization
School or Research Centre: Birkbeck Schools and Research Centres > School of Science > Biological Sciences
Depositing User: Administrator
Date Deposited: 28 Jul 2011 10:58
Last Modified: 17 Apr 2013 12:21

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