Preparation method for alumina/quartz glass composite fiber

The invention discloses a preparation method for alumina/quartz glass composite fiber and belongs to the field of inorganic fiber. The preparation method comprises the steps as follows: 1, pretreating quartz fiber with a dilute sulfuric acid solution; 2, preparing boehmite sol through a sol-gel meth...

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Hauptverfasser:	LI DONGMEI, LIU JIAN, LIANG XIAOPING, WANG HUAPING, WANG JIADAN, REN SUE, LI JIANXIN, ZUO RUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS LIME, MAGNESIA METALLURGY MINERAL OR SLAG WOOL REFRACTORIES SLAG SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention discloses a preparation method for alumina/quartz glass composite fiber and belongs to the field of inorganic fiber. The preparation method comprises the steps as follows: 1, pretreating quartz fiber with a dilute sulfuric acid solution; 2, preparing boehmite sol through a sol-gel method by taking AlCl3.6H2O, metal Al powder, lactic acid and H2O as raw materials; and 3, impregnating the pretreated quartz fiber in the boehmite sol, drying and conducting heat treatment to obtain the alumina/quartz glass composite fiber. The preparation method has the advantages of simple process, convenience in operation and low energy consumption, and the tensile strength and the alkaline resistance of the prepared composition fiber are greatly improved in comparison with those of the quartz fiber.