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GNP/geopolymer composite material, preparation method thereof and application of GNP/geopolymer composite material in strain sensor and electromagnetic shielding device
The invention discloses a GNP/geopolymer composite material, a preparation method thereof and an application of the GNP/geopolymer composite material in a strain sensor and an electromagnetic shielding device. The composite material is formed by uniformly distributing a graphene nanosheet reinforced phase in a geopolymer matrix, and the preparation method of the composite material comprises the following steps: uniformly mixing fly ash, graphene nanosheets and an alkaline activator, and sequentially carrying out vacuum defoaming, standing reaction and drying treatment to obtain the composite material. The composite material has excellent bending resistance and toughness, shows good and very stable force-electricity sensing performance, can be used for preparing a strain sensing device with relatively high sensitivity and a relatively wide linear strain range, is particularly suitable for intelligent monitoring, has good electromagnetic shielding performance, and can be applied to intelligent monitoring. The material can be used for preparing electromagnetic shielding devices.
本发明公开了一种GNP/地质聚合物复合材料及其制备方法和在应变传感器和电磁屏蔽器件中的应用。该复合材料由石墨烯纳米片增强相均匀分布在地质聚合物基体内部构成，其制备方法是将粉煤灰、石墨烯纳米片及碱性激发剂混匀后，依次进行真空脱泡、静置反应、干燥处理，即得。该复合材料具有优异的抗弯性能及韧性，且表现出良好且非常稳定的力‑电传感性能，可以用于制备具有较高的灵敏度和较宽的线应变范围的应变传感器件，特别适合用于智能监测，同时该复合材料具有良好的电磁屏蔽性能，可以用于制备电磁屏蔽器件。
GNP/geopolymer composite material, preparation method thereof and application of GNP/geopolymer composite material in strain sensor and electromagnetic shielding device
The invention discloses a GNP/geopolymer composite material, a preparation method thereof and an application of the GNP/geopolymer composite material in a strain sensor and an electromagnetic shielding device. The composite material is formed by uniformly distributing a graphene nanosheet reinforced phase in a geopolymer matrix, and the preparation method of the composite material comprises the following steps: uniformly mixing fly ash, graphene nanosheets and an alkaline activator, and sequentially carrying out vacuum defoaming, standing reaction and drying treatment to obtain the composite material. The composite material has excellent bending resistance and toughness, shows good and very stable force-electricity sensing performance, can be used for preparing a strain sensing device with relatively high sensitivity and a relatively wide linear strain range, is particularly suitable for intelligent monitoring, has good electromagnetic shielding performance, and can be applied to intelligent monitoring. The material can be used for preparing electromagnetic shielding devices.
本发明公开了一种GNP/地质聚合物复合材料及其制备方法和在应变传感器和电磁屏蔽器件中的应用。该复合材料由石墨烯纳米片增强相均匀分布在地质聚合物基体内部构成，其制备方法是将粉煤灰、石墨烯纳米片及碱性激发剂混匀后，依次进行真空脱泡、静置反应、干燥处理，即得。该复合材料具有优异的抗弯性能及韧性，且表现出良好且非常稳定的力‑电传感性能，可以用于制备具有较高的灵敏度和较宽的线应变范围的应变传感器件，特别适合用于智能监测，同时该复合材料具有良好的电磁屏蔽性能，可以用于制备电磁屏蔽器件。
GNP/geopolymer composite material, preparation method thereof and application of GNP/geopolymer composite material in strain sensor and electromagnetic shielding device
一种GNP/地质聚合物复合材料及其制备方法和在应变传感器和电磁屏蔽器件中的应用
ZHANG FAN (author) / HU HAILONG (author) / YANG HUAMING (author) / ZHANG YI (author) / OUYANG JING (author) / YU MEILING (author) / MA YALUN (author)
2022-03-15
Patent
Electronic Resource
Chinese
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