Development of a New Alkali Resistant Coating |
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| Authors: | Jijian Cheng Wen Liang Yingjie Hu Qi Chen G.H. Frischat |
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| Affiliation: | (1) Research Institute of Inorganic Materials, East China University of Science and Technology, Shanghai, 200237, People's Republic of China;(2) Clausthal University, Germany |
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| Abstract: | The effect of different new sol-gel BaO—TiO2—SiO2 and CaO—BaO—TiO2—SiO2 coatings on long-term durability of glass fiber reinforced cement (GRC) was examined. Flexural strength of GRC was measured after curing for 7 to 150 days. Significant improvement was observed for coated GRC in this study and discussed in terms of the hydrate formation at interface. Concerned with the alkali resistance, CaO—BaO—TiO2—SiO2 coating was more effective than BaO—TiO2—SiO2 coating. In special, the 10CaO—10BaO—60TiO2—20SiO2 coating, prepared by sol-gel method, was recommended for the highest flexural strength of GRC and least corrosion at surface of E-glass fiber. |
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| Keywords: | alkali resistance BaO— TiO2— SiO2 and CaO— BaO— TiO2— SiO2 |
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