Synthesis and Characterization of silica/epoxy mutifunctional nanocomposite coatings prepared by sol-gel process
محل انتشار: کنفرانس بین المللی فرآورش پلیمرها
سال انتشار: 1390
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,015
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شناسه ملی سند علمی:
PPSRC2011_333
تاریخ نمایه سازی: 30 بهمن 1390
چکیده مقاله:
In this paper, we present the fabrication of strongly hydrophobic and oleophobic silica /epoxy hybrid nanocomposite coatings using sol-gel method. The sol–gel films were synthesized from 3-glycidoxypropyltrimethoxysilane (GPTMS) and tetraethylorthosilicate (TEOS) precursors and addition of surface modifiers. In order to investigate the effective factors on the properties of organically modified silicates films (Ormosils), different coatings with different organic and hydrolysis water content were developed. The characterization results showed that these crack – free coatings had high chemical durability in solution of high and low pH. The water contact angel (WCA) of films was about 105° and for hexadecane about 75°.
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