Paper Title:
The Study of Immobilization Thermal-Sensitive Hydrogel onto ePTFE Film Use the Cold Plasma and Photo-Grafting Technique
  Abstract

Expanded polytetrafluoroethylene (ePTFE) is a bioinert material. To improve the ePTFE film biocompatibility, the cold plasma technology was used with acetic acid as monomer to deposit onto ePTFE film and then (N-isopropylacrylamide) was grafted onto the surface by photo-grafting. The characteristics of the surface were evaluated with X-ray photoelectron spectroscopy (XPS), FTIR and water contact angle. It was found that the contact angle of water on the untreated ePTFE significantly decrease from125° to 72° after ePTFE film being treated with acetic acid plasma deposition treatment. Due to the hydrophilicity of poly(N-isopropylacrylamide), the contact angle of water on the ePTFE-g-NIPAAm approached to 0°.

  Info
Periodical
Advanced Materials Research (Volumes 15-17)
Edited by
T. Chandra, K. Tsuzaki, M. Militzer and C. Ravindran
Pages
187-192
DOI
10.4028/www.scientific.net/AMR.15-17.187
Citation
K. S. Chen, S. C. Chen, Y. C. Yeh, W. C. Lien, H. R. Lin, J. M. Yang, "The Study of Immobilization Thermal-Sensitive Hydrogel onto ePTFE Film Use the Cold Plasma and Photo-Grafting Technique", Advanced Materials Research, Vols. 15-17, pp. 187-192, 2007
Online since
February 2006
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Price
$32.00
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