中国塑料 ›› 2008, Vol. 22 ›› Issue (10): 62-64.DOI: 10.19491/j.issn.1001-9278.2008.10.014

• 加工与应用 • 上一篇    下一篇

环氧丙烷/CO2等离子处理对PET薄膜阻氧性能的影响

王华山   

  1. 天津科技大学材料科学与工程学院
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-10-25 发布日期:2008-10-25

Oxygen Barrier Properties of PET Film Treated by 1,2-Epoxypropane/CO2 Plasma

WANG Hua-shan   

  1. Department of Material Science and Engineering,Tianjin University of Science & Technology
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-10-25 Published:2008-10-25
  • Contact: WANG Hua-shan

摘要: 利用环氧丙烷/CO2等离子体对聚对苯二甲酸乙二醇酯(PET)薄膜表面进行处理。傅里叶红外光谱分析表明,PET表面沉积了树脂阻透层。采用气体渗透性测定仪对PET薄膜的阻透性能进行了研究。结果表明,环氧丙烷/CO2等离子体的放电功率、工作压强、放电时间均会影响PET薄膜的阻透性能。随着放电功率和工作压强的增加,PET薄膜的氧阻透性能先上升后下降。随着放电时间的延长,PET薄膜的氧阻透性能不断增加,但增加的速度在后期放缓。

关键词: 表面处理, 等离子体, 聚对苯二甲酸乙二醇酯, 薄膜, 阻氧性能

Abstract: Poly(ethylene terephthalate) (PET) substrates was prepared using 1,2-epoxypropane and CO2 by plasma polyreaction. FT-IR showed that a kind of organic polymer barrier to oxygen was formed. The oxygen barrier properties were investigated by Gas Permeability Tester. Plasma discharge power, working pressure and discharge time can affect oxygen barrier properties of PET film. The results show that the oxygen barrier properties increased and then decreased with plasma discharge power and working pressure, and increased with discharge time.

Key words: surface treatment, plasma, poly(ethylene terephthalate), film, oxygen resistance