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A platform for research: civil engineering, architecture and urbanism
The invention discloses a preparation method of a wave-absorbing material, which comprises the following steps: cracking and firing vinylidene chloride acrylonitrile copolymer powder to obtain a carbonized porous matrix; putting the porous matrix material into a nanoparticle colloidal solution with an electromagnetic wave absorption characteristic; electrifying and pressurizing the porous matrix material absorbing the nanoparticle colloidal solution; and drying the porous matrix material to form the wave-absorbing material. The preparation method of the wave-absorbing material comprises the following steps: cracking and firing vinylidene chloride acrylonitrile copolymer powder to obtain a carbonized porous matrix, putting the porous matrix material into a nanoparticle colloidal solution with an electromagnetic wave absorption characteristic, and electrifying and pressurizing the porous matrix material absorbing the nanoparticle colloidal solution, and drying the porous matrix materialto form the wave-absorbing material. The preparation difficulty and the preparation cost are reduced, and the method can be widely applied to industrial production.
本发明公开了一种吸波材料制备方法，该方法包括：将偏二氯乙烯丙烯腈共聚物粉末经裂解、灼烧，得到碳化多孔基质；将该多孔基质材料放入具有电磁波吸收特性的纳米粒子胶体溶液；对吸收了纳米粒子胶体溶液的多孔基质材料进行通电加压；对该多孔基质材料进行干燥，形成该吸波材料。实施本发明的吸波材料制备方法，通过将偏二氯乙烯丙烯腈共聚物粉末经裂解、灼烧，得到碳化多孔基质，将所述多孔基质材料放入具有电磁波吸收特性的纳米粒子胶体溶液，对吸收了纳米粒子胶体溶液的多孔基质材料进行通电加压，对所述多孔基质材料进行干燥，形成所述吸波材料。降低了制造难度和制造成本，可广泛适用于工业生产。
The invention discloses a preparation method of a wave-absorbing material, which comprises the following steps: cracking and firing vinylidene chloride acrylonitrile copolymer powder to obtain a carbonized porous matrix; putting the porous matrix material into a nanoparticle colloidal solution with an electromagnetic wave absorption characteristic; electrifying and pressurizing the porous matrix material absorbing the nanoparticle colloidal solution; and drying the porous matrix material to form the wave-absorbing material. The preparation method of the wave-absorbing material comprises the following steps: cracking and firing vinylidene chloride acrylonitrile copolymer powder to obtain a carbonized porous matrix, putting the porous matrix material into a nanoparticle colloidal solution with an electromagnetic wave absorption characteristic, and electrifying and pressurizing the porous matrix material absorbing the nanoparticle colloidal solution, and drying the porous matrix materialto form the wave-absorbing material. The preparation difficulty and the preparation cost are reduced, and the method can be widely applied to industrial production.
本发明公开了一种吸波材料制备方法，该方法包括：将偏二氯乙烯丙烯腈共聚物粉末经裂解、灼烧，得到碳化多孔基质；将该多孔基质材料放入具有电磁波吸收特性的纳米粒子胶体溶液；对吸收了纳米粒子胶体溶液的多孔基质材料进行通电加压；对该多孔基质材料进行干燥，形成该吸波材料。实施本发明的吸波材料制备方法，通过将偏二氯乙烯丙烯腈共聚物粉末经裂解、灼烧，得到碳化多孔基质，将所述多孔基质材料放入具有电磁波吸收特性的纳米粒子胶体溶液，对吸收了纳米粒子胶体溶液的多孔基质材料进行通电加压，对所述多孔基质材料进行干燥，形成所述吸波材料。降低了制造难度和制造成本，可广泛适用于工业生产。
| European Patent Office | 2021
| European Patent Office | 2021
Ferrite wave-absorbing material and preparation method thereof
| European Patent Office | 2020
Preparation method of wave-absorbing ferrite composite material
| European Patent Office | 2020
Ferrite wave-absorbing material and preparation method thereof
| European Patent Office | 2022