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Carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material and preparation method thereof
The invention provides a carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material, which is prepared by a following preparation method: carbonizing melamine foam in a high-temperature tube furnace to obtain carbon foam; and depositing a silicon dioxide layer on the surface of the carbon foam by adopting a solution method or a physical vapor deposition method to obtain carbon foam modified by the silicon dioxide layer; and placing the carbon foam modified by the silicon dioxide layer in a high-temperature tubular furnace, and performing in-situ growth of carbon nanotubes on the carbon foam skeleton by a chemical vapor deposition method so as to prepare the carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material. The carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material provided by the invention has the characteristics of high growth density, high electromagnetic shielding effectiveness, good stability and the like. The invention also provides the preparation method of the carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material.
本发明提供一种碳泡沫原位生长碳纳米管复合电磁屏蔽材料，由如下制备方法制备得到：将密胺泡沫置于高温管式炉中碳化，得到碳泡沫；采用溶液法或者物理气相沉积的方法，在碳泡沫表面沉积一层二氧化硅层，得到二氧化硅层修饰的碳泡沫；将二氧化硅层修饰的碳泡沫置于高温管式炉中，通过化学气相沉积的方法在碳泡沫骨架上原位生长碳纳米管，从而制备得到碳泡沫原位生长碳纳米管复合电磁屏蔽材料。本发明提供的碳泡沫原位生长碳纳米管复合电磁屏蔽材料，具有生长密度高、电磁屏蔽效能高、稳定性好等特点。本发明还提供一种碳泡沫原位生长碳纳米管复合电磁屏蔽材料的制备方法。
Carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material and preparation method thereof
The invention provides a carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material, which is prepared by a following preparation method: carbonizing melamine foam in a high-temperature tube furnace to obtain carbon foam; and depositing a silicon dioxide layer on the surface of the carbon foam by adopting a solution method or a physical vapor deposition method to obtain carbon foam modified by the silicon dioxide layer; and placing the carbon foam modified by the silicon dioxide layer in a high-temperature tubular furnace, and performing in-situ growth of carbon nanotubes on the carbon foam skeleton by a chemical vapor deposition method so as to prepare the carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material. The carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material provided by the invention has the characteristics of high growth density, high electromagnetic shielding effectiveness, good stability and the like. The invention also provides the preparation method of the carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material.
本发明提供一种碳泡沫原位生长碳纳米管复合电磁屏蔽材料，由如下制备方法制备得到：将密胺泡沫置于高温管式炉中碳化，得到碳泡沫；采用溶液法或者物理气相沉积的方法，在碳泡沫表面沉积一层二氧化硅层，得到二氧化硅层修饰的碳泡沫；将二氧化硅层修饰的碳泡沫置于高温管式炉中，通过化学气相沉积的方法在碳泡沫骨架上原位生长碳纳米管，从而制备得到碳泡沫原位生长碳纳米管复合电磁屏蔽材料。本发明提供的碳泡沫原位生长碳纳米管复合电磁屏蔽材料，具有生长密度高、电磁屏蔽效能高、稳定性好等特点。本发明还提供一种碳泡沫原位生长碳纳米管复合电磁屏蔽材料的制备方法。
Carbon foam in-situ growth carbon nanotube composite electromagnetic shielding material and preparation method thereof
碳泡沫原位生长碳纳米管复合电磁屏蔽材料及其制备方法
LIU YU (author) / YUE JIANLING (author) / HUANG XIAOZHONG (author) / HUANG BEN (author)
2021-12-24
Patent
Electronic Resource
Chinese
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