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A platform for research: civil engineering, architecture and urbanism
Aerogel-modified high-strength fireproof mortar material and preparation method thereof
The invention discloses an aerogel-modified high-strength fireproof mortar material. The high-strength fireproof mortar material comprises cement, sand, polypropylene fibers, a composite reinforcing filler, a water reducing agent, a flame retardant and cellulose ether, wherein the sand is a mixture of hill sand and machine-made sand; the cellulose ether is a mixture of hydroxypropyl methyl cellulose ether and hydroxyethyl methyl cellulose ether; the composite reinforcing filler is a mixture of vitrified micro beads and a mesoporous nano-material mixed according to a certain mass ratio; the mesoporous nano-material is formed by taking nanometer titanium dioxide particles as a core layer and sequentially coating the surface of the core layer with a nitrogen-doped graphene aerogel layer and azirconium oxide/silicon oxide aerogel layer. The invention also discloses a preparation method of the high-strength fireproof mortar material. The mortar material provided by the invention not only has good fireproof performance, but also has good mechanical properties.
本发明公开了一种气凝胶改性的高强防火砂浆材料，所述高强防火砂浆材料包括水泥、砂、聚丙烯纤维、复合增强填料、减水剂、阻燃剂、纤维素醚；所述砂为山砂、机制砂的混合物；所述纤维素醚为羟丙基甲基纤维素醚、羟乙基甲基纤维素醚的混合物；所述复合增强填料为玻化微珠与介孔纳米材料以质量比的混合物；所述介孔纳米材料是以纳米二氧化钛颗粒为芯层，依次在其表面包覆氮掺杂石墨烯气凝胶层、氧化锆/氧化硅气凝胶层形成的材料。本发明还公开了高强防火砂浆材料的制备方法。本发明提供的砂浆不仅具有良好的防火性能，且力学性能好。
Aerogel-modified high-strength fireproof mortar material and preparation method thereof
The invention discloses an aerogel-modified high-strength fireproof mortar material. The high-strength fireproof mortar material comprises cement, sand, polypropylene fibers, a composite reinforcing filler, a water reducing agent, a flame retardant and cellulose ether, wherein the sand is a mixture of hill sand and machine-made sand; the cellulose ether is a mixture of hydroxypropyl methyl cellulose ether and hydroxyethyl methyl cellulose ether; the composite reinforcing filler is a mixture of vitrified micro beads and a mesoporous nano-material mixed according to a certain mass ratio; the mesoporous nano-material is formed by taking nanometer titanium dioxide particles as a core layer and sequentially coating the surface of the core layer with a nitrogen-doped graphene aerogel layer and azirconium oxide/silicon oxide aerogel layer. The invention also discloses a preparation method of the high-strength fireproof mortar material. The mortar material provided by the invention not only has good fireproof performance, but also has good mechanical properties.
本发明公开了一种气凝胶改性的高强防火砂浆材料，所述高强防火砂浆材料包括水泥、砂、聚丙烯纤维、复合增强填料、减水剂、阻燃剂、纤维素醚；所述砂为山砂、机制砂的混合物；所述纤维素醚为羟丙基甲基纤维素醚、羟乙基甲基纤维素醚的混合物；所述复合增强填料为玻化微珠与介孔纳米材料以质量比的混合物；所述介孔纳米材料是以纳米二氧化钛颗粒为芯层，依次在其表面包覆氮掺杂石墨烯气凝胶层、氧化锆/氧化硅气凝胶层形成的材料。本发明还公开了高强防火砂浆材料的制备方法。本发明提供的砂浆不仅具有良好的防火性能，且力学性能好。
Aerogel-modified high-strength fireproof mortar material and preparation method thereof
一种气凝胶改性的高强防火砂浆材料及其制备方法
ZHANG XINYANG (author) / ZHANG ZHAO (author) / ZHANG JINWEN (author)
2021-03-23
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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