平板式常壓電漿快速接枝甲基丙烯酸聚乙二醇
酯在聚偏二氟乙烯薄膜之研究

蔡怡妮

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平板式常壓電漿快速接枝甲基丙烯酸聚乙二醇酯在聚偏二氟乙烯薄膜之研究

Plasma Induced Grafting of Poly(Ethylene Glycol) Methacrylate onto hydrophobic PVDF Membrane by Atmospheric-Pressure Dielectric Barrier Discharge

蔡怡妮 , Masters　　Advisor：魏大欽　　

繁體中文

常壓電漿；甲基丙烯酸聚乙二醇酯；聚偏二氟乙烯；介電質放電； Anti-fouling ； Poly(vinylidene fluoride)(PVDF) ； Poly(ethylene glycol) methacrylate(PEGMA) ； DBD glow discharge ； Graft-polymerization ； ELISA ； ELISA

Abstract │ Reference (46) │ Times Cited (5) │ Altmetrics

Abstract 〈TOP〉

Parallel Abstract 〈TOP〉

Poly(Ethylene Glycol) methacrylate (PEGMA) has been used for reducing protein adhesion and enhancing biofouling resistance in biomedical material application. In this study we report a method to graft Poly(Ethylene Glycol) methacrylate (PEGMA) onto poly(vinylidene fluroride) (PVDF) membrane by atmospheric dielectric barrier Discharge (DBD) plasma. Being different from traditional grafting which consists of plasma surface activation and subsequent thermal-induced graft-polymerization, this approach dip-coats monomer solution onto substrate and places it under helium DBD plasma for direct exposure. The surface composition and texture of the PVDF-g-PEGMA surfaces from plasma induction were characterized by Fourier-transform infrared spectroscopy (FTIR), water contact angle, X-ray photoelectron spectroscopy (XPS), scanning electron microscope (SEM) and water flux test after protein adsorption. In addition, the protein adsorption on the prepared membranes was evaluated using the method of enzyme-linked immunosorbent assay (ELISA).
	The distinction between atmospheric pressure plasma jet (APPJ) and DBD plasma is the treated membrane size. The PVDF membrane used in this study is 47 mm in diameter, which is larger than in APPJ. After plasma treatment, the contact angle decreases monotonically and the grafting density increases with increasing treatment time. The membrane’s biofouling resistance can be controlled via various plasma power and initial monomer concentration. According to XPS results, ion bombardment would not damage the grafting surface, instead, PEGMA monomer can be effectively grafted even under treatment time of 120 seconds. Furthermore, the ELISA and bacteria test results show that PVDF-g-PEGMA could reduce significantly the amount of Fibrinogen adhension and the attachment of bacteria.

Reference ( 46 ) 〈TOP〉

[2] K. Li, M.R. Moghareh Abed, Y. Liu, N. Awanis Hashim, and F. Liu, "Progress in the production and modification of PVDF membranes, "Journal of Membrane Science, Vol.375, pp 1-27, 2011
連結：
[3] Y. Chang, Y.J. Shih, R.C. Ruaan, A. Higuchi, W.Y. Chen, J.Y. Lai, "Preparation of poly(vinylidene fluoride) microfiltration membrane with uniform surface-copolymerized poly(ethylene glycol) methacrylate and improvement of blood compatibility," Journal of Membrane Science, Vol. 309, pp 165-174,2008
連結：
[4] Y. Chang, Y.J. Shih, C.Y. Ko, J.F. Jhong,Y.L. Liu, and T.C. Wei, "Hemocompatibility of poly(vinylidene fluoride) membrane grafted with network-like and brush-like antifouling layer controlled via plasma-induced surface PEGlation," Langmuir, Vol.27, pp 5445-5455, 2011
連結：
[5] Y. Chang, W.J. Chang, Y.J. Shih, T.C. Wei, and G. H. Hsiue, "Zwitterionic sulfobetaine-grafted poly(vinylidene fluoride) membrane with highly effective blood compatibility via atmospheric plasma-induced surface copolymerization,"Applied Materials and Interfaces,Vol. 2, pp 1228-1237,2011
連結：
[6] H. Shiki, Y. Ito, H. Takikawa, E. Usuki, T. Okawa, S. Yamanaka, Y. Nishimura, S. Hishida, "Fundamental properties of 4-in-1 plasma ENergized-Jet at atmospheric pressure," Vacuum, Vol.83, pp 29-83, 2009
連結：

Times Cited (5) 〈TOP〉

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