Electromagnetic shielding wall plate and manufacturing method thereof
A technology of electromagnetic shielding and manufacturing method, applied in conductive coatings, building structures, polyurea/polyurethane coatings, etc., can solve the problem of low electromagnetic shielding performance of wall panels, and achieve improved shielding efficiency, good conductivity, and increased coating. effect of life
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Embodiment 1
[0025] An electromagnetic shielding wallboard and a manufacturing method thereof. The electromagnetic shielding wallboard includes a concrete prefabricated substrate, a nickel alloy hole mesh sheet is adhered to one side, and the exterior of the nickel alloy hole mesh sheet is a plastering mortar layer, and the plastering mortar layer is externally coated Covered with shielding rubber coating,
[0026] The manufacturing method of the electromagnetic shielding wallboard includes the following steps:
[0027]First, 73 parts of polyurethane resin, 12 parts of styrene-acrylic emulsion, 21 parts of butadiene rubber, 80 parts of ethyl acetate, and 25 parts of xylene are put into the agitator and heated to 35°C for mixing according to parts by weight. The stirring speed is 300-400rpm. After uniformity, add 10-15 parts of barite powder, 14 parts of white carbon black powder and 20 parts of nickel powder, cool down to 30°C and keep it for 20 minutes, then add 5 parts of dibutyltin dila...
Embodiment 2
[0031] An electromagnetic shielding wallboard and a manufacturing method thereof. The electromagnetic shielding wallboard includes a concrete prefabricated substrate, a nickel alloy hole mesh sheet is adhered to one side, and the exterior of the nickel alloy hole mesh sheet is a plastering mortar layer, and the plastering mortar layer is externally coated Covered with shielding rubber coating,
[0032] The method for manufacturing an electromagnetic shielding wallboard includes the following steps:
[0033] First, put 73 parts of polyurethane resin, 18 parts of styrene-acrylic emulsion, 25 parts of butadiene rubber, 90 parts of ethyl acetate, and 30 parts of xylene into the agitator to heat up to 35°C for mixing according to parts by weight. The stirring speed is 300-400rpm. After uniformity, add 11 parts of barite powder, 14 parts of white carbon black powder and 29 parts of nickel powder, cool down to 30°C and keep it warm for 20 minutes, then add 4 parts of dibutyltin dilau...
Embodiment 3
[0037] An electromagnetic shielding wallboard and a manufacturing method thereof. The electromagnetic shielding wallboard includes a concrete prefabricated substrate, a nickel alloy hole mesh sheet is adhered to one side, and the exterior of the nickel alloy hole mesh sheet is a plastering mortar layer, and the plastering mortar layer is externally coated Covered with shielding rubber coating,
[0038] The method for manufacturing an electromagnetic shielding wallboard includes the following steps:
[0039] First, 77 parts of polyurethane resin, 18 parts of styrene-acrylic emulsion, 22 parts of butadiene rubber, 80 parts of ethyl acetate, and 35 parts of xylene are put into the agitator and heated to 35°C for mixing according to parts by weight. The stirring speed is 300-400rpm. After uniformity, add 11 parts of barite powder, 12 parts of white carbon black powder and 26 parts of nickel powder, lower the temperature to 30°C and keep it for 20 minutes, then add 5 parts of dibut...
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