Gas permeability of barrier materials

Wang Jing; Li Junjian; Wu Qipeng

Volume 24 Issue 07

Jun. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(07): 1619-1623

wang kun-peng, zhang jian-xiu, fang chang-shui, et al. First-principle studies of the effects of K vacancy in KDP crystals upon laser-induced damage[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

Wang Jing, Li Junjian, Wu Qipeng. Gas permeability of barrier materials[J]. High Power Laser and Particle Beams, 2012, 24: 1619-1623.

wang kun-peng, zhang jian-xiu, fang chang-shui, et al. First-principle studies of the effects of K vacancy in KDP crystals upon laser-induced damage[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

Wang Jing, Li Junjian, Wu Qipeng. Gas permeability of barrier materials[J]. High Power Laser and Particle Beams, 2012, 24: 1619-1623.

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Gas permeability of barrier materials

1.
School of Optoelectronic Information,University of Electronic Science and Technology of China,Chengdu 610054,China

Publish Date: 2012-07-15

Abstract

Abstract

The theoretical formula of gas permeation acceleration factor was derived for barrier materials under different gas temperature and pressure. The theoretical calculation results are consistent with the experimental results (in the literature). The permeability of various gases，including water vapor, oxygen and carbon dioxide, through polyethylene terephthalate (PET) plastic and epoxy resin, was measured by mass spectrometry under accelerated conditions. At normal temperature and pressure, the gas permeabilities of PET plastic film with a thickness of 0.155 mm are 1.110-2 g/(m2d), 1.610-4 cm3/(m2d), 810-4 cm3/(m2d), and the gas permeabilities of epoxy resin film with a thickness of 0.065 mm are 1.710-2 g/(m2d), 3.510-5 cm3/(m2d), 5.510-5 cm3/(m2d).
- permeability,
- organic light emitting diode,
- acceleration factor,
- mass spectrometry

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