A kind of magnetic shielding conductive paint and preparation method thereof
A conductive coating and magnetic shielding technology, applied in the direction of conductive coatings, anti-corrosion coatings, polyurea/polyurethane coatings, etc., can solve the problems of poor mechanical properties and corrosion resistance, and achieve excellent corrosion resistance and adhesion performance, good electrical conductivity The effect of sex and magnetic shielding properties
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Embodiment 1
[0018] A preparation method of magnetic shielding conductive paint, comprising the following preparation steps:
[0019] 1) Weighing raw materials: 40 parts of acrylic resin, 30 parts of polyurethane resin, 20 parts of polyimide resin, 10 parts of polythiophene, 5 parts of polyphenylene sulfide, 4 parts of iron silicon chromium powder, 3 parts of zinc copper powder, bentonite 5 parts, 4 parts of calcium carbonate, 2 parts of dibutyl ester, 2 parts of glyceryl tristearate, 2 parts of sodium lignosulfonate, 25 parts of solvent and 1 part of silane coupling agent; wherein, the iron silicon chromium powder The mass percent of the elements in the medium is: silicon 3%, chromium 0.5%, carbon 0.01%, and the balance is iron; the molar ratio of zinc-copper in the zinc-copper powder is 4:1; the solvent is ethanol, and the silane The coupling agent is KH560;
[0020] 2) Put the iron silicon chromium powder, zinc copper powder, bentonite and calcium carbonate in the raw material for ball...
Embodiment 2
[0023] A preparation method of magnetic shielding conductive paint, comprising the following preparation steps:
[0024] 1) Weighing raw materials: 70 parts of acrylic resin, 55 parts of polyurethane resin, 38 parts of polyimide resin, 25 parts of polythiophene, 19 parts of polyphenylene sulfide, 15 parts of iron silicon chromium powder, 12 parts of zinc copper powder, bentonite 13 parts, 10 parts of calcium carbonate, 8 parts of dibutyl ester, 12 parts of glyceryl tristearate, 10 parts of sodium lignosulfonate, 40 parts of solvent and 5 parts of silane coupling agent; wherein, the iron silicon chromium powder The mass percentages of the elements are: silicon 10%, chromium 08%, carbon 0.05%, sulfur 0.01%, oxygen 0.2%, and the balance is iron; the mol ratio of zinc-copper in the zinc-copper powder is 9:1; Described solvent is isobutanol, and described silane coupling agent is A-172;
[0025] 2) Put the iron silicon chromium powder, zinc copper powder, bentonite and calcium car...
Embodiment 3
[0028] A preparation method of magnetic shielding conductive paint, comprising the following preparation steps:
[0029] 1) Weighing raw materials: 55 parts of acrylic resin, 42 parts of polyurethane resin, 29 parts of polyimide resin, 17 parts of polythiophene, 12 parts of polyphenylene sulfide, 10 parts of iron silicon chromium powder, 7 parts of zinc copper powder, bentonite 9 parts, 7 parts of calcium carbonate, 5 parts of dibutyl ester, 7 parts of glyceryl tristearate, 6 parts of sodium lignosulfonate, 32 parts of solvent and 3 parts of silane coupling agent; wherein, the iron silicon chromium powder The mass percentages of elements in the medium are: 6% silicon, 4% chromium, 0.03% carbon, 0.005% sulfur, 0.1% oxygen, and the balance is iron; the mol ratio of zinc to copper in the zinc-copper powder is 6:1; The solvent is N-methylpyrrolidine, and the silane coupling agent is A-172;
[0030] 2) Put the iron silicon chromium powder, zinc copper powder, bentonite and calcium...
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