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A platform for research: civil engineering, architecture and urbanism
Method for uniformly dispersing multi-walled carbon nanotubes in cement-based material
The invention belongs to the field of concrete materials, and provides a method for uniformly dispersing multi-walled carbon nanotubes in a cement-based material, which comprises the following steps: S1, designing multiple groups of orthogonal experiments by taking the mixing amount of the multi-walled carbon nanotubes, the mixing amount of fly ash and the water-binder ratio as independent variables; s2, preparing a multi-walled carbon nanotube modified cement-based material, hydrating, sampling, and observing a slurry area to obtain the porosity of the slurry area; s3, establishing a mathematical model among the mixing amount of the multi-walled carbon nanotubes, the mixing amount of the fly ash, the water-binder ratio and the porosity, and taking the porosity minimization as an optimization index to obtain optimal preparation parameters; and S4, comparing the measured value of the porosity with the minimum porosity in the step S3. The method for uniformly dispersing the multi-walled carbon nanotubes in the cement-based material is provided by characterizing the dispersion degree of the multi-walled carbon nanotubes in the cement-based material through a method for measuring the porosity, and a premise is provided for research on performance improvement of the multi-walled carbon nanotubes on the cement-based material and the like.
本发明属于混凝土材料领域，提供了一种使水泥基材料中多壁碳纳米管均匀分散的方法，包括：S1：以多壁碳纳米管掺量、粉煤灰掺量、水胶比为自变量设计多组正交实验；S2：制备多壁碳纳米管改性水泥基材料，水化，取样，对浆体区域进行观测，获得浆体区域的孔隙率；S3：建立多壁碳纳米管掺量、粉煤灰掺量、水胶比与孔隙率之间的数学模型，以孔隙率最小化为优化指标，得到最优制备参数；S4：孔隙率的实测值与步骤S3中的最小化孔隙率比较。通过测量孔隙率的方法在水泥基材料中表征多壁碳纳米管的分散程度，提供了一种使水泥基材料中多壁碳纳米管均匀分散的方法，为探究多壁碳纳米管对水泥基材料的性能提升等研究提供了前提。
Method for uniformly dispersing multi-walled carbon nanotubes in cement-based material
The invention belongs to the field of concrete materials, and provides a method for uniformly dispersing multi-walled carbon nanotubes in a cement-based material, which comprises the following steps: S1, designing multiple groups of orthogonal experiments by taking the mixing amount of the multi-walled carbon nanotubes, the mixing amount of fly ash and the water-binder ratio as independent variables; s2, preparing a multi-walled carbon nanotube modified cement-based material, hydrating, sampling, and observing a slurry area to obtain the porosity of the slurry area; s3, establishing a mathematical model among the mixing amount of the multi-walled carbon nanotubes, the mixing amount of the fly ash, the water-binder ratio and the porosity, and taking the porosity minimization as an optimization index to obtain optimal preparation parameters; and S4, comparing the measured value of the porosity with the minimum porosity in the step S3. The method for uniformly dispersing the multi-walled carbon nanotubes in the cement-based material is provided by characterizing the dispersion degree of the multi-walled carbon nanotubes in the cement-based material through a method for measuring the porosity, and a premise is provided for research on performance improvement of the multi-walled carbon nanotubes on the cement-based material and the like.
本发明属于混凝土材料领域，提供了一种使水泥基材料中多壁碳纳米管均匀分散的方法，包括：S1：以多壁碳纳米管掺量、粉煤灰掺量、水胶比为自变量设计多组正交实验；S2：制备多壁碳纳米管改性水泥基材料，水化，取样，对浆体区域进行观测，获得浆体区域的孔隙率；S3：建立多壁碳纳米管掺量、粉煤灰掺量、水胶比与孔隙率之间的数学模型，以孔隙率最小化为优化指标，得到最优制备参数；S4：孔隙率的实测值与步骤S3中的最小化孔隙率比较。通过测量孔隙率的方法在水泥基材料中表征多壁碳纳米管的分散程度，提供了一种使水泥基材料中多壁碳纳米管均匀分散的方法，为探究多壁碳纳米管对水泥基材料的性能提升等研究提供了前提。
Method for uniformly dispersing multi-walled carbon nanotubes in cement-based material
一种使水泥基材料中多壁碳纳米管均匀分散的方法
DU SEN (author) / ZHOU KEFAN (author)
2024-12-20
Patent
Electronic Resource
Chinese
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