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High-compactness and high-strength quartz ceramic-based composite material and preparation method thereof
The invention relates to a high-compactness and high-strength quartz ceramic-based composite material and a preparation method thereof, and the quartz ceramic-based composite material is mainly composed of the following components in parts by mass: 90-95 parts of amino modified fused quartz, 2-3 parts of N-hydroxymethyl acrylamide, 1-2 parts of carbon fiber, 1 to 1.5 parts of N, N-methylene bisacrylamide, 0.5 to 1 part of ammonium citrate, 0.5 to 1 part of sodium carboxymethyl cellulose, 0.5 to 1 part of epoxy resin, 0.25 to 0.35 part of ammonium sulfate, 0.15 to 0.20 part of sodium borohydride and 0.01 to 0.02 part of reduced graphene oxide. According to the high-compactness and high-strength quartz ceramic-based composite material and the preparation method thereof, the formula setting is reasonable, and the defects of brittleness and mechanical properties of quartz ceramic are overcome through the synergistic effect of the carbon fibers, the BN nanosheets prepared from the ammonium sulfate, the sodium borohydride and the reduced graphene oxide; meanwhile, the quartz ceramic matrix composite material has the advantages of excellent thermal shock resistance, low dielectric constant, low loss angle tangent value, small thermal expansion coefficient and the like, and is simple in preparation process and wide in application prospect.
一种高致密性高强的石英陶瓷基复合材料及其制备方法，所述石英陶瓷基复合材料，按质量份数计，主要由以下组分构成：氨基修饰熔融石英90‑95份、N‑羟甲基丙烯酰胺2‑3份、碳纤维1‑2份、N,N‑亚甲基双丙烯酰胺1‑1.5份、柠檬酸铵0.5‑1份、羧甲基纤维素钠0.5‑1份、环氧树脂0.5‑1份、硫酸铵0.25‑0.35份、硼氢化钠0.15‑0.20份、还原氧化石墨烯0.01‑0.02份。本发明所述的高致密性高强的石英陶瓷基复合材料及其制备方法，配方设置合理，通过碳纤维和硫酸铵、硼氢化钠、还原氧化石墨烯制备出的BN纳米片协同作用改善石英陶瓷脆性及力学性能的不足，增强了石英陶瓷基复合材料的的力学性能同时兼具优良的抗热冲击性能、低介电常数和低损耗角正切值、热膨胀系数小等优点，制备工艺简单，应用前景广泛。
High-compactness and high-strength quartz ceramic-based composite material and preparation method thereof
The invention relates to a high-compactness and high-strength quartz ceramic-based composite material and a preparation method thereof, and the quartz ceramic-based composite material is mainly composed of the following components in parts by mass: 90-95 parts of amino modified fused quartz, 2-3 parts of N-hydroxymethyl acrylamide, 1-2 parts of carbon fiber, 1 to 1.5 parts of N, N-methylene bisacrylamide, 0.5 to 1 part of ammonium citrate, 0.5 to 1 part of sodium carboxymethyl cellulose, 0.5 to 1 part of epoxy resin, 0.25 to 0.35 part of ammonium sulfate, 0.15 to 0.20 part of sodium borohydride and 0.01 to 0.02 part of reduced graphene oxide. According to the high-compactness and high-strength quartz ceramic-based composite material and the preparation method thereof, the formula setting is reasonable, and the defects of brittleness and mechanical properties of quartz ceramic are overcome through the synergistic effect of the carbon fibers, the BN nanosheets prepared from the ammonium sulfate, the sodium borohydride and the reduced graphene oxide; meanwhile, the quartz ceramic matrix composite material has the advantages of excellent thermal shock resistance, low dielectric constant, low loss angle tangent value, small thermal expansion coefficient and the like, and is simple in preparation process and wide in application prospect.
一种高致密性高强的石英陶瓷基复合材料及其制备方法，所述石英陶瓷基复合材料，按质量份数计，主要由以下组分构成：氨基修饰熔融石英90‑95份、N‑羟甲基丙烯酰胺2‑3份、碳纤维1‑2份、N,N‑亚甲基双丙烯酰胺1‑1.5份、柠檬酸铵0.5‑1份、羧甲基纤维素钠0.5‑1份、环氧树脂0.5‑1份、硫酸铵0.25‑0.35份、硼氢化钠0.15‑0.20份、还原氧化石墨烯0.01‑0.02份。本发明所述的高致密性高强的石英陶瓷基复合材料及其制备方法，配方设置合理，通过碳纤维和硫酸铵、硼氢化钠、还原氧化石墨烯制备出的BN纳米片协同作用改善石英陶瓷脆性及力学性能的不足，增强了石英陶瓷基复合材料的的力学性能同时兼具优良的抗热冲击性能、低介电常数和低损耗角正切值、热膨胀系数小等优点，制备工艺简单，应用前景广泛。
High-compactness and high-strength quartz ceramic-based composite material and preparation method thereof
一种高致密性高强的石英陶瓷基复合材料及其制备方法
WANG YONGJIANG (Autor:in) / CHEN HUI (Autor:in)
04.05.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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