A special-shaped mica piece with ultra-long ultra-high pressure resistance and its preparation method

A technology of high pressure resistance and mica, which is applied to the connection of rods, mechanical equipment, connecting components, etc., can solve the problems of short service life, achieve the effects of reducing production costs, improving service life, and simple preparation methods

Active Publication Date: 2022-06-28
浙江荣泰电工器材股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Regarding the processing technology of the above-mentioned non-standard mica tube with a requirement of >1.2m, the applicant found the following defects: the non-standard mica tube with a requirement of >1.2m connected by casing is limited by the influence of the application environment, and the connection is stable Performance is a test, and there is a problem that the overall service life is relatively short

Method used

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  • A special-shaped mica piece with ultra-long ultra-high pressure resistance and its preparation method
  • A special-shaped mica piece with ultra-long ultra-high pressure resistance and its preparation method
  • A special-shaped mica piece with ultra-long ultra-high pressure resistance and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0048] The preparation method of synthesizing fluorophlogopite-carbon nanotube hybrid powder comprises the following steps:

[0049] Step 1: Add 0.02 mol of 2-ethyl-4-methylimidazole 2E4MI and 0.01 mol of silver acetate AgAc to 400 mL of dichloromethane at room temperature, stir magnetically at a speed of 240 r / min, and stir magnetically until AgAc The particles disappeared completely, and clear and transparent Ag(2E4MI) was obtained 2 Ac complex solution;

[0050] Step 2: On Ag(2E4MI) 2 Add 0.8g of CNTs and 0.5g of PVP to the Ac complex solution, use ultrasonic dispersion (power of ultrasonic generator 1200W, frequency 20kHz) for 3h, add 50g of synthetic fluorophlogopite, continue ultrasonic dispersion for 0.5h to obtain a dispersion.

[0051] Step 3: The dispersion liquid obtained in step 2 is subjected to vacuum distillation treatment, and the dichloromethane in the dispersion liquid is removed, and the solid matter is subjected to high-temperature sintering treatment. t...

preparation example 2

[0054] The preparation method of phlogopite-carbon nanotube hybrid powder comprises the following steps:

[0055] Step 1: Add 0.02 mol of 2-ethyl-4-methylimidazole 2E4MI and 0.01 mol of silver acetate AgAc to 400 mL of dichloromethane at room temperature, stir magnetically at a speed of 240 r / min, and stir magnetically until AgAc The particles disappeared completely, and clear and transparent Ag(2E4MI) was obtained 2 Ac complex solution;

[0056] Step 2: On Ag(2E4MI) 2 Add 0.8g of CNTs and 0.5g of PVP to the Ac complex solution, use ultrasonic dispersion (power of ultrasonic generator 1200W, frequency 20kHz) for 3h, add 50g of phlogopite, and continue ultrasonic dispersion for 0.5h to obtain a dispersion.

[0057] Step 3: The dispersion liquid obtained in step 2 is subjected to vacuum distillation treatment, and the dichloromethane in the dispersion liquid is removed, and the solid matter is subjected to high-temperature sintering treatment. thing.

[0058] Step 4: Place t...

preparation example 3

[0060] The preparation method of microcrystalline mica ceramic powder comprises the following steps:

[0061] Step 1, ingredients: Weigh 1806.5g of zirconia ZrO 2 Raw materials, 44.3 g of magnesium oxide MgO, 61.2 g of aluminum oxide Al 2 O 3 , the calcium oxide CaO of 11.2g, the yttrium trioxide of 12.3g, the T-ZnO crystal whisker of 8.0g are placed in the high-speed stirring kettle with 500rpm mixing and stirring 20min, for subsequent use;

[0062] Step 2: Weigh 1200g of the raw material in Step 1 and grind it with a planetary ball mill (the inner tank is polytetrafluoroethylene, and the grinding beads are 95 zirconia beads), and the grinding speed is 120 rpm for dry grinding for 15 minutes, and then 1200 mL of anhydrous alcohol is added for wet grinding. Ball milling for 2h, zirconia ZrO after ball milling 2 The powder was transferred to an oven, dried at 100 °C for 1 h, and used for later use;

[0063] In step 3, transfer to a horse boiling furnace, calcinate at 780 ° ...

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Abstract

The application relates to the technical field of special-shaped mica tube processing, in particular to a super-long and high-pressure-resistant special-shaped mica piece and a preparation method thereof. An ultra-long and ultra-high-pressure-resistant special-shaped mica piece includes a first mica tube, a second mica tube and a mica connection structure. The mica connection structure includes a mica outer tube shell, a mica inner tube shell and a connecting ring. The surface is integrally formed on the inner surface of the mica outer shell, and the inner surface of the connecting ring is integrally formed on the outer surface of the mica inner shell; the vertical bisector of the connecting ring is in common with the vertical bisector of the mica outer shell and the mica inner shell The wire mica connection structure is integrally formed with a first connection cavity and a second connection cavity; the first connection cavity and the second connection cavity are respectively located on both sides of the connection ring. The application has good connection stability, can effectively improve the overall service life, and improve the vehicle safety performance of new energy vehicles.

Description

technical field [0001] The application relates to the technical field of processing special-shaped mica tubes, in particular to an ultra-long and ultra-high pressure-resistant special-shaped mica piece and a preparation method thereof. Background technique [0002] Mica tube is a hard plastic tubular heat-conducting material made of muscovite mica paper or phlogopite mica paper and organic chemical silicone rubber, which is bonded and rolled. The mechanical properties of mica tubes are very good, and they have excellent electrical equipment dielectric strength and high impact toughness. They are widely used in metallurgy, chemical industry, household appliances, new energy vehicles and other industries. Compared with the traditional ceramic tube, the mica tube has the characteristics of easy manipulation of wall thickness and oval degree, uniform charge and discharge, and not easy to break. It is one of the ideal substitutes for ceramic management. [0003] At present, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B7/08H01B17/58H01B19/00B29C45/14B29C45/57B29K83/00B29K509/10
Inventor 金水林罗育华丁锡海饶蓄
Owner 浙江荣泰电工器材股份有限公司
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