Electromagnetic shielding paper based on modification of conductive MOF material and preparation method thereof

A preparation method of electromagnetic shielding paper based on modification of a conductive MOF material, comprising the following steps:

• (1) dispersing nickel chloride hexahydrate and 2,3,6,7,10,11-hexaaminotriphenylene in water, then adding PI fibers for in-situ modification reaction, and after the reaction is finished, taking and drying the fibers to obtain MOF material modified PI fibers;
• (2) then dispersing the MOF material modified PI fibers and aramid pulp in water, and carrying out uniform mixing, sheetmaking, squeezing and drying to obtain an MOF material modified PI fiber paper-based conductive framework material;
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• (3) putting a pyrrole aqueous solution at the bottom of a vacuum glass dryer, then dipping the MOF material modified PI fiber paper-based conductive framework material in an FeCl3 solution to be saturated, taking out and putting the MOF material modified PI fiber paper-based conductive framework material above a porcelain plate of the vacuum glass dryer, vacuumizing, performing a pyrrole polymerization reaction in and on the surface of the MOF material modified PI fiber paper-based conductive framework material by pyrrole volatilization, and after the reaction is finished, washing and drying and obtaining the electromagnetic shielding paper based on the modification of the conductive MOF material.