Suppression of the oxidative degradation of polymer by sputtered silicon oxide coating

Toshitaka Oka; Yoshimasa Hama; Kenji Ito; Yoshinori Kobayashi

doi:10.1016/j.nimb.2005.04.010

Suppression of the oxidative degradation of polymer by sputtered silicon oxide coating

Toshitaka Oka, Yoshimasa Hama, Kenji Ito, Yoshinori Kobayashi

Research output: Contribution to journal › Conference article › peer-review

4 Citations (Scopus)

Abstract

The radiation-induced oxidative degradation of polypropylene was studied. It is well known that the irradiated polymers react gradually with the air and decrease their mechanical properties for long-term storage. In this work, silicon oxide films were formed on polypropylene by sputtering to suppress the permeation of oxygen during the gamma-ray irradiation. Samples were stored in air for a long time and measured the chemical structure and the mechanical properties to obtain effects of the oxygen barrier coating. From the results, we found that such coatings have a good effect on suppressing the oxidative degradation for long-term storage.

Original language	English
Pages (from-to)	420-424
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	236
Issue number	1-4
DOIs	https://doi.org/10.1016/j.nimb.2005.04.010
Publication status	Published - 2005 Jul 1
Externally published	Yes
Event	Ionizing Radiation and Polymers Proceedings of the 6th International Symposium on Ionizing Radiation Polymers - Duration: 2004 Sep 25 → 2004 Sep 30

Keywords

Oxidative degradation
Oxygen barrier
Polypropylene
Silicon oxide

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Access to Document

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Suppression of the oxidative degradation of polymer by sputtered silicon oxide coating. / Oka, Toshitaka; Hama, Yoshimasa; Ito, Kenji; Kobayashi, Yoshinori.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 236, No. 1-4, 01.07.2005, p. 420-424.

Research output: Contribution to journal › Conference article › peer-review

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AU - Oka, Toshitaka

AU - Hama, Yoshimasa

AU - Ito, Kenji

AU - Kobayashi, Yoshinori

PY - 2005/7/1

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N2 - The radiation-induced oxidative degradation of polypropylene was studied. It is well known that the irradiated polymers react gradually with the air and decrease their mechanical properties for long-term storage. In this work, silicon oxide films were formed on polypropylene by sputtering to suppress the permeation of oxygen during the gamma-ray irradiation. Samples were stored in air for a long time and measured the chemical structure and the mechanical properties to obtain effects of the oxygen barrier coating. From the results, we found that such coatings have a good effect on suppressing the oxidative degradation for long-term storage.

AB - The radiation-induced oxidative degradation of polypropylene was studied. It is well known that the irradiated polymers react gradually with the air and decrease their mechanical properties for long-term storage. In this work, silicon oxide films were formed on polypropylene by sputtering to suppress the permeation of oxygen during the gamma-ray irradiation. Samples were stored in air for a long time and measured the chemical structure and the mechanical properties to obtain effects of the oxygen barrier coating. From the results, we found that such coatings have a good effect on suppressing the oxidative degradation for long-term storage.

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KW - Oxygen barrier

KW - Polypropylene

KW - Silicon oxide

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