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A kind of high temperature resistant glass fiber and preparation method thereof
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A glass fiber, high temperature resistant technology, applied in the field of high temperature resistant materials, can solve the problems of high brittleness, fracture, application limitation of glass fiber brittleness, etc.
Active Publication Date: 2022-05-03
安徽省宁国昊成高温材料有限公司
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[0002] Glass fiber is an inorganic non-metallic material with excellent performance. It has excellent insulation, corrosion resistance, non-combustibility and high temperature resistance. It is widely used in modern industry and construction industry, but at the same time, glass fiber also has resistance Poor abrasiveness and high brittleness, so it is prone to breakage during use. When materials need to be recycled, such as filter materials, as the number of uses increases, more and more glass fibers will break, which will directly affect At the same time, the brittleness of glass fiber also directly limits its application in textiles.
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[0026] A preparation method of high temperature resistant glass fiber, comprising the steps of:
[0027] Step 1, the glass fiber is processed, the specific processing method is:
[0028] First, add the glass fiber to deionized water, wash and remove the dust on the surface of the glass fiber, and then dry it with hot air to obtain dry and clean glass fiber;
[0029] Add dry and clean glass fiber into the mixed solution, stir ultrasonically to disperse the glass fiber evenly in the mixed solution, then keep ultrasonic stirring, add silanecoupling agent to the mixed solution dropwise, wherein the amount of silane coupling agent added is glass fiber 2% by weight, after the silane coupling agent is completely added, continue to react for 30 minutes, then separate the solid and liquid, and dry the treated glass fiber for use;
[0039] A preparation method of high temperature resistant glass fiber, comprising the steps of:
[0040] Step 1, the glass fiber is processed, the specific processing method is:
[0041] First, add the glass fiber to deionized water, wash and remove the dust on the surface of the glass fiber, and then dry it with hot air to obtain dry and clean glass fiber;
[0042] Add dry and clean glass fiber into the mixed solution, stir ultrasonically to disperse the glass fiber evenly in the mixed solution, then keep ultrasonic stirring, add silane coupling agent to the mixed solution dropwise, wherein the amount of silane coupling agent added is glass fiber 2% by weight, after the silane coupling agent is completely added, continue to react for 30 minutes, then separate the solid and liquid, and dry the treated glass fiber for use;
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Abstract
The invention discloses a high-temperature-resistant glass fiber and a preparation method thereof. First, the surface of the glass fiber is corroded by acid and hydrogenperoxide to promote the dispersion of the glass fiber, and then a silanecoupling agent is added to the mixed solution. On the one hand, the addition of silanecoupling agent facilitates subsequent processing and improves the bonding effect between glass fibers and organic materials. Then, before further processing of glass fibers, glass fibers are added to a mixed solution of ethanol and water containing sodium ions or potassium ions Medium heat treatment to promote the dispersion of glass fibers, thereby improving the toughness of glass fibers, thereby improving the stability of glass fibers in subsequent processing, and avoiding a large number of glass fibers. When further processing glass fibers, vinyl ester Resin or unsaturated polyester resin is used as a film-forming agent and silica sol to prepare an emulsion, and the emulsion is wrapped on the surface of the glass fiber, thereby improving the high temperature resistance of the glass fiber.
Description
technical field [0001] The invention belongs to the technical field of high-temperature-resistant materials, and in particular relates to a high-temperature-resistant glass fiber and a preparation method thereof. Background technique [0002] Glass fiber is an inorganic non-metallic material with excellent performance. It has excellent insulation, corrosion resistance, non-combustibility and high temperature resistance. It is widely used in modern industry and construction industry, but at the same time, glass fiber also has resistance Poor abrasiveness and high brittleness, so it is prone to breakage during use. When materials need to be recycled, such as filter materials, as the number of uses increases, more and more glass fibers will break, which will directly affect At the same time, the brittleness of glass fiber also directly limits its application in textiles. [0003] How to make the glass fiber have good toughness while improving the high temperature resistance pr...
Claims
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