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Preparation method of high-temperature-resistant light-weight high-strength heat insulation tile
The invention discloses a preparation method of a high-temperature-resistant light-weight high-strength thermal insulation tile, and belongs to the technical field of thermal protection materials. The method comprises the following steps: preparing a composition A from silica sol and silicon powder, uniformly spraying the composition A on the surface of a high-temperature-resistant ceramic chopped ceramic fiber M, performing in-situ drying, then uniformly spraying a high-molecular organic matter solution, and performing in-situ drying to obtain the modified chopped ceramic fiber M; preparing a mixture B from boron nitride powder and a macromolecular organic matter solution, and treating the mixture B to obtain a modified flocculent solid mixture B; the preparation method comprises the following steps: mixing quartz fibers, modified chopped ceramic fibers M, a modified flocculent solid mixture B and a bonding aid C to form slurry D, carrying out reduced pressure distillation and concentration, pouring the slurry D into a filter mold, filtering out moisture, taking out a wet blank, clamping the wet blank with a conformal tool, and drying to obtain a dry blank E; and the dry blank E is transferred into an air muffle furnace to be subjected to stepped heating sintering and cooling, and the high-temperature-resistant light-weight high-strength heat insulation tile is obtained.
本发明公开了一种耐高温轻质高强隔热瓦的制备方法，属于热防护材料技术领域。本方法由硅溶胶与硅粉获得组合物A，均匀喷涂于耐高温陶短切瓷纤维M表面，原位干燥后再均匀喷涂高分子有机物溶液，原位干燥后得到改性短切陶瓷纤维M；由氮化硼粉与高分子有机物溶液得到混合物B，经过处理得到改性絮状固体混合物B；由石英纤维、改性短切陶瓷纤维M、改性絮状固体混合物B、粘接助剂C混合成浆料D，经过减压蒸馏浓缩，倒入过滤模具中滤除水分后将湿坯取出，用随形工装夹持后干燥得到干坯E；将干坯E转移至空气马弗炉中进行阶梯式升温烧结和冷却，得到耐高温轻质高强隔热瓦。
Preparation method of high-temperature-resistant light-weight high-strength heat insulation tile
The invention discloses a preparation method of a high-temperature-resistant light-weight high-strength thermal insulation tile, and belongs to the technical field of thermal protection materials. The method comprises the following steps: preparing a composition A from silica sol and silicon powder, uniformly spraying the composition A on the surface of a high-temperature-resistant ceramic chopped ceramic fiber M, performing in-situ drying, then uniformly spraying a high-molecular organic matter solution, and performing in-situ drying to obtain the modified chopped ceramic fiber M; preparing a mixture B from boron nitride powder and a macromolecular organic matter solution, and treating the mixture B to obtain a modified flocculent solid mixture B; the preparation method comprises the following steps: mixing quartz fibers, modified chopped ceramic fibers M, a modified flocculent solid mixture B and a bonding aid C to form slurry D, carrying out reduced pressure distillation and concentration, pouring the slurry D into a filter mold, filtering out moisture, taking out a wet blank, clamping the wet blank with a conformal tool, and drying to obtain a dry blank E; and the dry blank E is transferred into an air muffle furnace to be subjected to stepped heating sintering and cooling, and the high-temperature-resistant light-weight high-strength heat insulation tile is obtained.
本发明公开了一种耐高温轻质高强隔热瓦的制备方法，属于热防护材料技术领域。本方法由硅溶胶与硅粉获得组合物A，均匀喷涂于耐高温陶短切瓷纤维M表面，原位干燥后再均匀喷涂高分子有机物溶液，原位干燥后得到改性短切陶瓷纤维M；由氮化硼粉与高分子有机物溶液得到混合物B，经过处理得到改性絮状固体混合物B；由石英纤维、改性短切陶瓷纤维M、改性絮状固体混合物B、粘接助剂C混合成浆料D，经过减压蒸馏浓缩，倒入过滤模具中滤除水分后将湿坯取出，用随形工装夹持后干燥得到干坯E；将干坯E转移至空气马弗炉中进行阶梯式升温烧结和冷却，得到耐高温轻质高强隔热瓦。
Preparation method of high-temperature-resistant light-weight high-strength heat insulation tile
一种耐高温轻质高强隔热瓦的制备方法
LIU XIAOBO (author) / ZHANG FAN (author) / AN XUAN (author) / ZHANG SILU (author) / WANG XIAOYUN (author) / HE MU (author) / ZHANG BEIBEI (author) / SUN JINGJING (author) / QIU QINGFAN (author) / LI WENJING (author)
2023-11-17
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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