Gradient distribution of fluorine on the film surface of the organic–inorganic hybrid fluoropolymer
作者： Ailan Qu , Xiufang Wen , Pihui Pi , Jiang Cheng , Zhuoru Yang
DOI: 10.1016/J.COLSURFA.2009.03.035
关键词:
摘要: Inorganic–organic hybrid latex containing fluoride has been prepared in multistage emulsion polymerization the presence of nano-SiO2 particles and alkoxysilane (-methacryloxypropyltri(isopropoxy)silane, MAPTIPS). The effects on morphologies composite were observed it was found that encapsulation may be fulfilled dodecafluoroheptyl methacrylate together with MAPTIPS whether using raw SiO2 or modified. distribution fluorine different films measured by X-ray photoelectron spectroscopy. It indicated gradient from depth profile enhanced encapsulated due to bidirectional move congregation film surface. Combining results XPS AFM analysis, showed phase separation between organic inorganic for lightened, while so apparent orientation surface restrained lack MAPTIPS. © 2009 Published Elsevier B.V.
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