HYDROPHILIZATION OF POLYVINYL CHLORIDE SURFACE BY OZONATION

Keisuke Kurose (), Tetsuji Okuda, Satoshi Nakai, Tsung-Yueh Tsai, Wataru Nishijima and Mitsumasa Okada
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Keisuke Kurose: Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
Tetsuji Okuda: Environmental Research and Management Center, Hiroshima University, 1-5-3 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8513, Japan
Satoshi Nakai: Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
Tsung-Yueh Tsai: Environmental Research and Management Center, Hiroshima University, 1-5-3 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8513, Japan
Wataru Nishijima: Environmental Research and Management Center, Hiroshima University, 1-5-3 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8513, Japan
Mitsumasa Okada: Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan

Surface Review and Letters (SRL), 2008, vol. 15, issue 06, 711-715

Abstract: The surface modification mechanism of polyvinyl chloride (PVC) by ozonation was investigated to study the selective hydrophilization of PVC surface among other plastics. Infrared analysis confirmed the increase of hydrophilic groups. XPS analysis revealed that the increase was due to the structural change in chlorine group in PVC to hydroxylic acid, ketone, and carboxylic groups by ozonation. This chemical reaction by ozone could occur only for polymers with chlorides in its structure and resulted in the selective hydrophilization of PVC among various polymers.

Keywords: Hydrophilic; PVC; contact angle; additive; ozonation (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1142/S0218625X08011986

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