2001•Plasma Science and TechnologyOpen access

The Aging Study on Polyethylene Terephthalate with Surface Modification by Water Vapor Plasma

Ao L, Niu Jin-zhen, Yuming Liu, Jianfang Hu, Huiying Chen

Abstract

The aging effects of the contact angle and surface energy on polyethylene terephthalate (PET) have been investigated with surface modification by water vapor plasma. The experimental results show that the contact angle of water and PET decreases obviously and surface energy increases. However, with the increase of the aging time, the contact angle and surface energy change back gradually to original state.

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Key concepts: Polyethylene terephthalate, Contact angle, Materials science, Surface energy, Surface modification, Water vapor, Plasma, Polyethylene