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Adhesion Of Pet/Psma Interfaces Reinforced With Plasma Treatment

Author

Listed:
  • CHI-AN DAI

    (Department of Chemical Engineering and, Institute of Polymer Science and Engineering, National Taiwan University, Taipei, 106 Taiwan, R.O.C)

  • TAI-AN TSUI

    (Department of Chemical Engineering and, Institute of Polymer Science and Engineering, National Taiwan University, Taipei, 106 Taiwan, R.O.C)

  • YAO-YI CHENG

    (Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei, 106 Taiwan, R.O.C)

Abstract

The interface between biaxially oriented poly (ethylene terephthalate) (PET) films and poly (styrene-co-maleic anhydride) (PSMA) was reinforced by nitrogen plasma treatment of PET film and subsequent annealing treatment of the PET/PSMA bi-material. The fracture toughness, Gc, of the interface was quantitatively measured using an asymmetric double cantilever beam test (ADCB). X-ray photoelectron spectrometry (XPS) was used to measure the change in the surface composition of PET films upon plasma treatment and correlate the fracture toughness of the interface. The fracture energy of PET/PSMA interface is significantly enhanced by annealing the plasma treated PET with PSMA at a temperature greater than the glass transition temperature of PSMA (~ 120°C). At an annealing temperature of 150°C, Gc increases with increasing plasma treatment time and reaches a plateau value of ~ 100–120 J/m2, a two order of magnitude increase in Gc compared with that of samples annealed at 130°C. The enhancement of the adhesion is resulted from the in-situ formation of copolymers due to reaction between amine functional groups from the plasma treatment and anhydride groups from PSMA. For plasma treatment time

Suggested Citation

  • Chi-An Dai & Tai-An Tsui & Yao-Yi Cheng, 2006. "Adhesion Of Pet/Psma Interfaces Reinforced With Plasma Treatment," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 13(02n03), pages 265-271.
    • Handle: RePEc:wsi:srlxxx:v:13:y:2006:i:02n03:n:s0218625x06008062
    DOI: 10.1142/S0218625X06008062
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