Corrosion-resistant electric material and application thereof
A power material and corrosion-resistant technology, applied in circuits, electrical components, plastic/resin/wax insulators, etc., can solve the problems of high cost, complex preparation process, mechanical properties, thermal stability and flame retardancy that cannot meet the expected requirements and other problems, to achieve good corrosion resistance, simple preparation process, and improve the effect of defects
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Embodiment 1
[0022] A corrosion-resistant power material, characterized in that the preparation method of the power material comprises the following steps:
[0023] Step 1): Mix graphite and borax evenly, put them into the ball mill tank containing absolute ethanol, add alumina ceramic balls according to the weight ratio of ball to material ratio of 30:1, the ball mill time is 12 hours, the ball mill temperature is room temperature, The speed of the ball mill is 500 rpm, grind until the particle size of the powder is about 200 mesh, evaporate the absolute ethanol, and then mix it with sodium water glass evenly to obtain material A; wherein, the weight ratio of graphite, borax and sodium water glass is 3: 2:1; the modulus n of sodium silicate glass is 2.5;
[0024] Step 2): Soak the diatomite with 10% (V / V) hydrochloric acid for 15 minutes, subject to the submergence of the diatomite, centrifuge at 500 rpm for 3 minutes, collect the precipitate, dry it, and grind it into a powder with a par...
Embodiment 2
[0030] A corrosion-resistant power material, characterized in that the preparation method of the power material comprises the following steps:
[0031] Step 1): Mix graphite and borax evenly, put them into the ball mill tank containing absolute ethanol, add alumina ceramic balls according to the weight ratio of ball to material ratio of 30:1, the ball mill time is 12 hours, the ball mill temperature is room temperature, The speed of the ball mill is 500 rpm, grind until the particle size of the powder is about 200 mesh, evaporate the absolute ethanol, and then mix it with sodium water glass evenly to obtain material A; wherein, the weight ratio of graphite, borax and sodium water glass is 3: 2:1; the modulus n of sodium silicate glass is 3.0;
[0032] Step 2): Soak the diatomite with 10% (V / V) hydrochloric acid for 15 minutes, subject to the submergence of the diatomite, centrifuge at 500 rpm for 3 minutes, collect the precipitate, dry it, and grind it into a powder with a par...
Embodiment 3
[0037] The performance test of the anti-corrosion power material prepared by the present invention:
[0038] 1. The mechanical properties, flame retardant properties and insulation properties of the electrical materials prepared in Examples and Example 2 are better, and the specific test results can be seen in Table 1:
[0039] Table 1
[0040] group Thickness (mm) Tensile strength (N / mm 2 ) Elongation at break (%) Hardness (A) Oxygen Index(%) Volume resistivity×10 -15 (Ω·cm) Example 1 2.0 14.9 513 80 32 2.53 Example 2 2.0 15.1 504 81 33 2.47
[0041] 2. Anti-corrosion performance test: soak the test material in 10% sodium chloride solution for 30 days, measure the main performance parameters, see Table 2: soak the test material in 10% sulfuric acid solution for 30 days, the main performance parameters Determination, see Table 3. After γ-ray irradiation (radiation dose is 1000kGy), the main performanc...
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