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Low-temperature plasma induced grafting of 2-methacryloyloxyethyl phosphorylcholine onto poly(tetrafluoroethylene) films

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Abstract

Modification of poly(tetrafluoroethylene) (PTFE) films with 2-methacryloyloxyethyl phosphorylcholine (MPC) was performed by low-temperature plasma treatment and grafting polymerization. Surface properties of PTFE were characterized by attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectra, X-ray photoelectron spectroscopy (XPS), and static contact angle. The results show that MPC has been grafted onto PTFE film surface successfully. Contact angle for the modified PTFE films in the water decreased from 108° to 58.25°, while surface energy increased from 17.52 mN/m to 45.47 mN/m. The effects of plasma treatment time, monomer concentration and grafting time on degree of grafting were determined. In the meanwhile, blood compatibility of the PTFE films was studied by checking thrombogenic time of blood plasma.

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Authors and Affiliations

  1. School of Material Science and Engineering, Tianjin University, Tianjin, 300072, China

    Yunhui Zhao  (赵蕴慧), Fen Wang  (王 芬) & Xiangpeng He  (何祥鹏)

Authors
  1. Yunhui Zhao  (赵蕴慧)
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  2. Fen Wang  (王 芬)
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  3. Xiangpeng He  (何祥鹏)
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Corresponding author

Correspondence to Yunhui Zhao  (赵蕴慧).

Additional information

ZHAO Yunhui, born in 1966, female, Dr, associate Prof.

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Zhao, Y., Wang, F. & He, X. Low-temperature plasma induced grafting of 2-methacryloyloxyethyl phosphorylcholine onto poly(tetrafluoroethylene) films. Trans. Tianjin Univ. 15, 355–359 (2009). https://doi.org/10.1007/s12209-009-0062-x

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  • DOI: https://doi.org/10.1007/s12209-009-0062-x

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