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Multi-walled carbon nanotube/plant nanofiber sheet cement-based composite material and preparation method thereof
The invention discloses a multi-walled carbon nanotube/plant nanofiber sheet cement-based composite material and a preparation method thereof.The multi-walled carbon nanotube/plant nanofiber sheet cement-based composite material is prepared by adding a multi-walled carbon nanotube, a plant nanofiber sheet and a plasticizer into cement, the plasticizer effectively increases the dispersity of cement particles, and the dispersity of the cement particles is improved; the multi-walled carbon nanotubes and the plant nanofiber sheets enhance the hydration of cement particles on the nanoscale, improve the microstructure of the cement-based composite material, and greatly improve the bending resistance and fracture resistance of the cement-based composite material; experimental results show that the bending strength of the cement-based composite material prepared in the embodiment 3 in which the content of BNP is 0.20 wt% and the content of MWCNT is 0.1 wt% is improved by 133% compared with that of common cement; compared with common cement, the cement-based composite material prepared in the embodiment 4 in which the content of BNP is 0.20 wt% and the content of MWCNT is 0.2 wt% has the advantages that the fracture energy is improved by about 183%, the fracture toughness is improved by 162%, and the elastic modulus is improved by 275%.
本发明公开了一种多壁碳纳米管/植物纳米纤维片水泥基复合材料及其制备方法，通过在水泥中加入多壁碳纳米管、植物纳米纤维片、增塑剂，制备了多壁碳纳米管/植物纳米纤维片水泥基复合材料，其中，增塑剂有效增加了水泥颗粒的分散性，多壁碳纳米管、植物纳米纤维片在纳米尺度上增强了水泥颗粒的水合作用，改善了水泥基复合材料的微观结构的同时，也大幅提高了水泥基复合材料的抗弯曲性能和断裂性能；实验结果表明，BNP含量为0.20wt％、MWCNT含量为0.1wt％的实施例3中所制备的水泥基复合材料，其弯曲强度较普通水泥提高了133％；BNP含量为0.20wt％、MWCNT含量为0.2wt％的实施例4中所制备的水泥基复合材料，相较于普通水泥，其断裂能提高约183％，断裂韧性提高162％，弹性模量提高275％。
Multi-walled carbon nanotube/plant nanofiber sheet cement-based composite material and preparation method thereof
The invention discloses a multi-walled carbon nanotube/plant nanofiber sheet cement-based composite material and a preparation method thereof.The multi-walled carbon nanotube/plant nanofiber sheet cement-based composite material is prepared by adding a multi-walled carbon nanotube, a plant nanofiber sheet and a plasticizer into cement, the plasticizer effectively increases the dispersity of cement particles, and the dispersity of the cement particles is improved; the multi-walled carbon nanotubes and the plant nanofiber sheets enhance the hydration of cement particles on the nanoscale, improve the microstructure of the cement-based composite material, and greatly improve the bending resistance and fracture resistance of the cement-based composite material; experimental results show that the bending strength of the cement-based composite material prepared in the embodiment 3 in which the content of BNP is 0.20 wt% and the content of MWCNT is 0.1 wt% is improved by 133% compared with that of common cement; compared with common cement, the cement-based composite material prepared in the embodiment 4 in which the content of BNP is 0.20 wt% and the content of MWCNT is 0.2 wt% has the advantages that the fracture energy is improved by about 183%, the fracture toughness is improved by 162%, and the elastic modulus is improved by 275%.
本发明公开了一种多壁碳纳米管/植物纳米纤维片水泥基复合材料及其制备方法，通过在水泥中加入多壁碳纳米管、植物纳米纤维片、增塑剂，制备了多壁碳纳米管/植物纳米纤维片水泥基复合材料，其中，增塑剂有效增加了水泥颗粒的分散性，多壁碳纳米管、植物纳米纤维片在纳米尺度上增强了水泥颗粒的水合作用，改善了水泥基复合材料的微观结构的同时，也大幅提高了水泥基复合材料的抗弯曲性能和断裂性能；实验结果表明，BNP含量为0.20wt％、MWCNT含量为0.1wt％的实施例3中所制备的水泥基复合材料，其弯曲强度较普通水泥提高了133％；BNP含量为0.20wt％、MWCNT含量为0.2wt％的实施例4中所制备的水泥基复合材料，相较于普通水泥，其断裂能提高约183％，断裂韧性提高162％，弹性模量提高275％。
Multi-walled carbon nanotube/plant nanofiber sheet cement-based composite material and preparation method thereof
一种多壁碳纳米管/植物纳米纤维片水泥基复合材料及其制备方法
HUANG BO (author) / WANG JIANQUN (author) / LI ZHIPENG (author) / LIU CHANG (author) / PENG GANG (author) / YAN FEI (author)
2024-04-02
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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