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A kind of preparation method of sico micron ceramic cross

A cross, ceramic technology, applied in chemical instruments and methods, inorganic chemistry, non-metallic elements, etc., to achieve good stability, less equipment investment, and good repeatability

Active Publication Date: 2016-02-03
ZHONGKE RUNZI (CHONGQING) ENERGY SAVING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation of SiCO micron ceramic crosses has not been reported yet.

Method used

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  • A kind of preparation method of sico micron ceramic cross
  • A kind of preparation method of sico micron ceramic cross

Examples

Experimental program
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Effect test

Embodiment 1

[0023] The polytetrafluoroethylene disks were cleaned with ethanol and sonicated, then dried in an oven for later use. Weigh 0.8 g of F127, dissolve it in 5 ml of xylene, seal it, and stir for 3 hours to obtain mixed solution A. Add 0.8 g of polyvinylsilazane and 0.032 g of dicumyl peroxide to another container, dissolve in 5 ml of isopropanol, seal it quickly, and stir it magnetically for 3 hours to obtain a mixed solution B. Then the solutions in the two containers were mixed and sealed quickly, the containers were protected from light, and the stirring time was continued for 24 hours to obtain the mixed solution C. Pour the mixed solution C into a polytetrafluoroethylene tray kept warm at 50°C for 48 hours, and obtain a transparent film after the solvent evaporates. Put the film into an oven at 130°C for thermal crosslinking for 40 minutes, the film changes from colorless and transparent to light yellow, and it is taken out for release. After defilming, the film was place...

Embodiment 2

[0026] The polytetrafluoroethylene disks were cleaned with ethanol and sonicated, then dried in an oven for later use. Weigh 0.8g of F127, dissolve it in 5ml of xylene and seal it, stir for 2 hours to obtain mixed solution A. Add 0.8 g of polyvinylsilazane and 0.032 g of dicumyl peroxide to another container, dissolve in 5 ml of isopropanol, seal it quickly, and stir it magnetically for 2 hours to obtain a mixed solution B. Then the solutions in the two containers were mixed and sealed quickly, the containers were protected from light, and the stirring time was continued for 18 hours to obtain the mixed solution C. Pour the mixed solution C into a polytetrafluoroethylene tray kept at 50°C for 36 hours, and obtain a transparent film after the solvent evaporates. Put the film into an oven at 130°C for thermal crosslinking for 40 minutes, the film changes from colorless and transparent to light yellow, and it is taken out for release. After defilming, the film was placed on gra...

Embodiment 3

[0029] The polytetrafluoroethylene disks were cleaned with ethanol and sonicated, then dried in an oven for later use. Weigh 0.8 g of F127, dissolve it in 5 ml of xylene and seal it, stir for 4 hours to obtain mixed solution A. Add 0.8 g of polyvinylsilazane and 0.032 g of dicumyl peroxide to another container, dissolve in 5 ml of isopropanol, seal it quickly, and stir it magnetically for 4 hours to obtain a mixed solution B. Then the solutions in the two containers were mixed and sealed quickly, the containers were protected from light, and the stirring time was continued for 24 hours to obtain the mixed solution C. Pour the mixed solution C into a polytetrafluoroethylene tray kept warm at 50°C for 60 hours, and obtain a transparent film after the solvent evaporates. Put the film into an oven at 130°C for thermal crosslinking for 40 minutes, the film changes from colorless and transparent to light yellow, and it is taken out for release. After defilming, the film was placed...

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Abstract

The invention discloses a method for preparing SiCO micron-ceramic crosses and relates to micron ceramics. The method comprises the following steps: dissolving 0.8g of template agent F127 into 5ml of xylene solution, and stirring so as to obtain mixed liquid A; dissolving 0.8g of ceramic precursor, polyvinyl silazane, into 5ml of isopropanol, adding a thermal cross-linking agent, dicumyl peroxide, and stirring so as to obtain mixed liquid B; mixing the mixed liquid A and the mixed liquid B, and stirring so as to obtain mixed liquid C; and pouring the mixed liquid C on a polytetrafluoroethylene tray, carrying out heat preservation in a baking oven at the temperature of 50 DEG C, then, cross-linking at the temperature of 130 DEG C so as to form a yellowish transparent film, taking out, stripping, and then, pyrolyzing the film in an inert atmosphere, thereby obtaining the SiCO micron-ceramic crosses on the surface of the film. The prepared SiCO micron-ceramic crosses have the edge length of 1-4 microns, are good in stability and have an important application value in the fields of composite materials, high-temperature device design and the like; the method has the advantages that the equipment investment is small, the operation is easy, the process is simple, and the repeatability is good.

Description

technical field [0001] The invention relates to a micron ceramic, in particular to a method for preparing a SiCO micron ceramic cross. Background technique [0002] The preparation of micro-nano-scale structures is a difficult point and a hot spot in the current application field. The self-assembly technology of block copolymers, as a potential bottom-up ordered structure assembly method, has become one of the hotspots in the field of nano-fabrication technology in the past 20 years. Block copolymers are composed of thermodynamically incompatible chain segments connected by chemical bonds. This structural feature leads to block copolymers can only undergo microscopic phase separation, and form a rich and colorful ordered phase morphology on the mesoscopic scale. These microscopically ordered phases have good controllability and relatively easy preparation methods. By changing the composition, chain length, applying an external field or changing the preparation method of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B33/00
Inventor 余煜玺刘逾
Owner ZHONGKE RUNZI (CHONGQING) ENERGY SAVING TECH CO LTD
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