Composite shielding material and preparation method thereof
The invention provides a composite shielding material and a preparation method thereof. The preparation method comprises the following steps: activating an original conductive polymer by using an oxidizing agent to obtain an activated conductive polymer, and the conductivity of the original conducti...
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| creator | GUO SHUAIYI WANG JIAJIA ZHAO ZHIYA WANG KAN LIU RUOPENG |
| description | The invention provides a composite shielding material and a preparation method thereof. The preparation method comprises the following steps: activating an original conductive polymer by using an oxidizing agent to obtain an activated conductive polymer, and the conductivity of the original conductive polymer is greater than or equal to 1S/cm; enabling the activated conductive polymer, zinc salt, cobalt salt and a nitrogen-containing heterocyclic ring organic ligand and/or a carboxylic acid organic ligand to react in a solvent to obtain a metal organic framework modified polymer; and calcining the metal organic framework modified polymer in an inert atmosphere to obtain a Co3O4/Co/C composite material, namely the composite shielding material. The bimetal metal framework organic material (MOFs) enhances the interface polarization and dipole polarization of the composite shielding material, and is beneficial to improving the dielectric loss of the composite shielding material; and meanwhile, the absorption loss |
| format | Patent |
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| title | Composite shielding material and preparation method thereof |
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