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Ceramic fiber composite aerogel thermal insulation material and preparation method thereof
A ceramic fiber composite aerogel thermal insulation material comprises a ceramic matrix, the ceramic matrix is of a three-dimensional net-shaped micropore structure formed by mixing and distributing at least three kinds of ceramic fibers and mutually overlapping and crosslinking the ceramic fibers, the ceramic matrix at least comprises two kinds of ceramic fibers with different thermal insulation temperature ranges, and a boron source is attached to the ceramic fibers; and nano aerogel is packed in the ceramic matrix. The preparation method of the ceramic fiber composite aerogel thermal insulation material comprises the following steps: mixing at least three ceramic fibers with a silicon source, a boron source and deionized water to obtain ceramic fiber slurry, and conducting dehydrating and drying to obtain a ceramic matrix; and treating the ceramic matrix and an aerogel material through a five-step composite method to obtain the ceramic fiber composite aerogel thermal insulation material. The ceramic fiber composite aerogel thermal insulation material is wide in thermal insulation temperature range in actual use, uniform in thermal insulation temperature range distribution, good in overall thermal insulation effect, good in temperature resistance effect and long in service life; and the ceramic fiber composite aerogel thermal insulation material can be prepared by the method.
一种陶瓷纤维复合气凝胶隔热材料包括陶瓷基体，所述陶瓷基体为至少三种陶瓷纤维混合分布并互相搭接交联形成的三维网状微孔结构，所述陶瓷基体中至少包括两种隔温温域不相同的陶瓷纤维，且其上附着有硼源；所述陶瓷基体内填充有纳米气凝胶。种陶瓷纤维复合气凝胶隔热材料制备方法包：将至少三种陶瓷纤维与硅源、硼源、去离子水的混合得陶瓷纤维浆料，并脱水干燥后制得陶瓷基体；所述陶瓷基体与气凝胶材料通过五步复合法得到陶瓷纤维复合气凝胶隔热材料。所述陶瓷纤维复合气凝胶隔热材料在实际使用时其隔热温域广、且隔热温域分布均匀，整体隔热效果好，耐温效果好，使用寿命长；通过所述方法可以制备所述陶瓷纤维复合气凝胶隔热材料。
Ceramic fiber composite aerogel thermal insulation material and preparation method thereof
A ceramic fiber composite aerogel thermal insulation material comprises a ceramic matrix, the ceramic matrix is of a three-dimensional net-shaped micropore structure formed by mixing and distributing at least three kinds of ceramic fibers and mutually overlapping and crosslinking the ceramic fibers, the ceramic matrix at least comprises two kinds of ceramic fibers with different thermal insulation temperature ranges, and a boron source is attached to the ceramic fibers; and nano aerogel is packed in the ceramic matrix. The preparation method of the ceramic fiber composite aerogel thermal insulation material comprises the following steps: mixing at least three ceramic fibers with a silicon source, a boron source and deionized water to obtain ceramic fiber slurry, and conducting dehydrating and drying to obtain a ceramic matrix; and treating the ceramic matrix and an aerogel material through a five-step composite method to obtain the ceramic fiber composite aerogel thermal insulation material. The ceramic fiber composite aerogel thermal insulation material is wide in thermal insulation temperature range in actual use, uniform in thermal insulation temperature range distribution, good in overall thermal insulation effect, good in temperature resistance effect and long in service life; and the ceramic fiber composite aerogel thermal insulation material can be prepared by the method.
一种陶瓷纤维复合气凝胶隔热材料包括陶瓷基体，所述陶瓷基体为至少三种陶瓷纤维混合分布并互相搭接交联形成的三维网状微孔结构，所述陶瓷基体中至少包括两种隔温温域不相同的陶瓷纤维，且其上附着有硼源；所述陶瓷基体内填充有纳米气凝胶。种陶瓷纤维复合气凝胶隔热材料制备方法包：将至少三种陶瓷纤维与硅源、硼源、去离子水的混合得陶瓷纤维浆料，并脱水干燥后制得陶瓷基体；所述陶瓷基体与气凝胶材料通过五步复合法得到陶瓷纤维复合气凝胶隔热材料。所述陶瓷纤维复合气凝胶隔热材料在实际使用时其隔热温域广、且隔热温域分布均匀，整体隔热效果好，耐温效果好，使用寿命长；通过所述方法可以制备所述陶瓷纤维复合气凝胶隔热材料。
Ceramic fiber composite aerogel thermal insulation material and preparation method thereof
一种陶瓷纤维复合气凝胶隔热材料以及制备方法
LIU RUIXIANG (author) / WANG KAIYU (author) / ZHANG LEI (author) / SUI XUEYE (author) / ZHOU CHANGLING (author) / CHENG ZHIQIANG (author) / WANG ZHONGHAI (author)
2021-05-11
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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