Engineering material synthesized by mica
A technology of synthetic engineering and mica, which is applied in the field of mica synthetic engineering materials, and can solve the problems of high prices and large quantities of imports
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Embodiment 1
[0024] Embodiment 1 (preparation of electrical engineering semiconductor material)
[0025] a. First, the fineness of muscovite is selected as 800 mesh, and it is used after acid treatment and high-voltage electrostatic treatment;
[0026] b. Heat up the special high-speed mixer to 80°C, add 12% of adhesive polypropylene and 9% of linear polypropylene, mix for 3-6 minutes, add 0.2% of silane coupling agent, mix for 3-6 minutes, Enter the low-speed cooling mixer, cool for 3-8 minutes, when the temperature is lower than 50°C, take it out for use; (the purpose is to dry and modify the surface of the modifier)
[0027] c. Heat the high-speed mixer at 80°C, add 60% muscovite powder, mix for 3-6 minutes, add 4.2% carbon black, 0.5% silane coupling agent, 3% epoxy resin, mix for 3-6 minutes, Carry out material surface treatment, take out one-third of the material in the machine and enter the low-speed mixer for cooling, when the temperature is lower than 50°C, take it out for use, a...
Embodiment 2
[0038] Embodiment 2 (insulator type engineering material)
[0039] a. First, the fineness of the mica is selected to be 300 mesh, and the mica after acid treatment and high-voltage electrostatic treatment is used for later use;
[0040] b. Heat up the special high-speed mixer to 80°C, add 58% of mica powder, mix, and dry for 3-6 minutes, add 0.4% of silane coupling agent, 0.3% of compatibilizer, and mix at high speed for 3-6 minutes , carry out surface treatment of mica powder, remove one-third of the material in the machine and enter it into a low-speed mixer for cooling for 4-8 minutes, when the temperature is lower than 50°C, take it out for use, and the remaining two-thirds remain in the high-speed mixer Continue to mix and wait for the next step;
[0041] c. Heat the high-speed mixer at 80°C, add 14.6% of adhesive polypropylene, 8.7% of linear polyethylene, 0.5% of silane coupling agent, 0.3% of aluminate coupling agent, 0.3% of compatibilizer, epoxy resin 3%, glass fib...
Embodiment 3
[0052] Embodiment 3 (high-strength comprehensive engineering material)
[0053] a. First, the fineness of the mica is selected to be 1000 mesh, and the mica after acid treatment and high-voltage electrostatic treatment is used for standby;
[0054] b. Heat up the special high-speed mixer to 80°C, add 43% of mica powder, mix, and dry for 3-6 minutes, add 1.5% of glass fiber, 0.5% of silane coupling agent and mix at high speed for 3-6 minutes, carry out Dispersion mixture surface treatment;
[0055] c. Add 42% polyoxymethylene, 0.2% silane coupling agent, 0.2% titanate coupling agent, 0.2% aluminate coupling agent, 0.5% 107 compatibilizer, 0.1% antioxidant 245, dicyandiamide 0.25%, polyamide 0.25%, high-speed mixing, time 3-6 minutes, the temperature in the high-speed machine gradually rises to 100 ℃;
[0056] d. Add 0.5% paraffin, 1% liquid paraffin, 0.5% stearic acid, 0.5% barium stearate, 0.5% white oil, mix at high speed, and blend for 3-6 minutes;
[0057] e. Add 0.7% bo...
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