Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention belongs to the technical field of building material preparation, and discloses a preparation method of a light reinforced geopolymer thermal insulation material. The method comprises thefollowing steps: (1) taking diatomite and biogas slurry to prepare biogas slurry modified diatomite filter residues; (2) carrying out ball milling and mixing on the biogas slurry modified diatomite filter residues, BBSZ glass powder and nano iron powder, and carrying out carbonization reaction to obtain a reinforcing additive containing silicon carbide whiskers; (3) uniformly stirring metakaolin,nanometer aluminum oxide powder and sulfuric acid with the mass fraction of 65-80%, and conducting heating to obtain modified metakaolin; and (4) stirring and mixing a surfactant OP10, absolute ethylalcohol, modified carbon nanotubes, dopamine, calcium stearate and a water glass solution, sequentially adding a mixture of the modified metakaolin and red mud and the reinforcing additive containingsilicon carbide whiskers in the stirring process, carrying out injection molding, curing and curing, and conducting demolding to obtain the geopolymer porous material. The geopolymer thermal insulation material obtained by the method is low in apparent density, high in bending strength and excellent in thermal insulation performance.
本发明属于建筑材料制备技术领域，公开了一种轻质增强地聚合物保温材料的制备方法。所述方法包括(1)取硅藻土和沼液制备沼液改性硅藻土滤渣；(2)将沼液改性硅藻土滤渣与BBSZ玻璃粉体、纳米铁粉球磨混合，经炭化反应，得含碳化硅晶须的增强添加料；(3)偏高岭土与纳米氧化铝粉、质量分数65‑80％的硫酸，搅拌均匀，加热，得改性偏高岭土；(4)表面活性剂OP‑10、无水乙醇、改性碳纳米管、多巴胺、硬脂酸钙和水玻璃溶液搅拌混合，搅拌过程中依次添加改性偏高岭土和赤泥的混合物，含碳化硅晶须的增强添加料，再经注模、固化和养护后脱模，即得地聚物多孔材料。该方法所得地聚合物保温材料表观密度低，抗弯强度高，保温性能优异。
The invention belongs to the technical field of building material preparation, and discloses a preparation method of a light reinforced geopolymer thermal insulation material. The method comprises thefollowing steps: (1) taking diatomite and biogas slurry to prepare biogas slurry modified diatomite filter residues; (2) carrying out ball milling and mixing on the biogas slurry modified diatomite filter residues, BBSZ glass powder and nano iron powder, and carrying out carbonization reaction to obtain a reinforcing additive containing silicon carbide whiskers; (3) uniformly stirring metakaolin,nanometer aluminum oxide powder and sulfuric acid with the mass fraction of 65-80%, and conducting heating to obtain modified metakaolin; and (4) stirring and mixing a surfactant OP10, absolute ethylalcohol, modified carbon nanotubes, dopamine, calcium stearate and a water glass solution, sequentially adding a mixture of the modified metakaolin and red mud and the reinforcing additive containingsilicon carbide whiskers in the stirring process, carrying out injection molding, curing and curing, and conducting demolding to obtain the geopolymer porous material. The geopolymer thermal insulation material obtained by the method is low in apparent density, high in bending strength and excellent in thermal insulation performance.
本发明属于建筑材料制备技术领域，公开了一种轻质增强地聚合物保温材料的制备方法。所述方法包括(1)取硅藻土和沼液制备沼液改性硅藻土滤渣；(2)将沼液改性硅藻土滤渣与BBSZ玻璃粉体、纳米铁粉球磨混合，经炭化反应，得含碳化硅晶须的增强添加料；(3)偏高岭土与纳米氧化铝粉、质量分数65‑80％的硫酸，搅拌均匀，加热，得改性偏高岭土；(4)表面活性剂OP‑10、无水乙醇、改性碳纳米管、多巴胺、硬脂酸钙和水玻璃溶液搅拌混合，搅拌过程中依次添加改性偏高岭土和赤泥的混合物，含碳化硅晶须的增强添加料，再经注模、固化和养护后脱模，即得地聚物多孔材料。该方法所得地聚合物保温材料表观密度低，抗弯强度高，保温性能优异。
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