Gas and flavor barrier thin film coating to plastic closures

Main Article Content

M. Nakaya K. Motomura T. Maeda A. Hotta



The gas and flavor barrier enhancement of plastic closures for food and beverage applications was attempted through thin film coating. Diamond-like carbon (DLC) thin films were formed onto the inner surface of closures, using a specific plasma-assisted chemical vapor deposition (PECVD) technique. In order to overcome the difficulty in forming a high gas barrier thin film coating onto the surface of the sealing parts of plastic closures, wet treatment using 3-aminopropyltrimethoxysilane (3APTMS) was applied in prior to DLC coating. As a result, the oxygen gas barrier of the sealing parts was significantly increased. Flavor barrier enhancement was also confirmed based on the sorption of d-limonene inside the coated sealing parts.

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How to Cite
NAKAYA, M. et al. Gas and flavor barrier thin film coating to plastic closures. Quarterly Physics Review, [S.l.], v. 4, n. 1, jan. 2018. ISSN 2572-701X. Available at: <>. Date accessed: 05 dec. 2022.
Research Articles