Surface Modification Mechanism of Parylene C Film by Solution of Sodium-Naphthalene Complex
In this article,we report the results obtained from a study adopting solution of sodium naphthalene complex to modify the poly(chloro-p-xylylene)(parylene C) thin film.In this work,the function group and the crystal structure of the film before and after modifying are characterized separately with Attenuated Total Reflection Fourier transformation infrared spectroscopy(ATR- FTIR)and X-ray diffraction(XRD).The result of test shows that the bond of carbon(C) and chlorine(Cl) is damaged;The crystalline of the film reduces,and the NaCl crystal exist on the film surface.The surface energy of the film is increased from 28.64mJ/m2 to 41.48mJ/m2.The generalized analysis result indicated that nucleophilic reagent destructs the C-Cl bond on the benzene ring, the chlorine(Cl) atom on the benzene ring and the sodium ion in modified reagent forms the sodium chloride which adheres to the film surface.
Jinglong Bu, Pengcheng Wang, Liqun Ai, Xiaoming Sang, Yungang Li
L. S. Zhang et al., "Surface Modification Mechanism of Parylene C Film by Solution of Sodium-Naphthalene Complex", Advanced Materials Research, Vols. 287-290, pp. 2314-2317, 2011