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A ceramic refractory filler and its preparation method and application

A technology of refractory filler and ceramicization, which is applied in the field of ceramic refractory filler and its preparation, which can solve the problems of lowering the sintering temperature of ceramicized silicone rubber, poor mechanical properties of ceramicized silicone rubber, and low porcelain forming temperature, so as to prevent self-agglomeration , increase the conversion rate of ceramics, and improve the effect of mechanical properties

Active Publication Date: 2022-05-20
广东高士高科实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the problems raised by the background technology, the purpose of the present invention is to propose a ceramic refractory filler, which has good compatibility with silicone rubber and good dispersion uniformity in silicone rubber, and can effectively reduce the sintering temperature of ceramic silicone rubber. , which solves the problems of poor dispersion and low catalytic efficiency of existing ceramic fillers
[0007] Another object of the present invention is to propose ceramic silicone rubber using the ceramic refractory filler, which has excellent mechanical properties, low porcelain forming temperature, good flame retardant and fire resistance effect, and solves the problem of poor mechanical properties of the existing ceramic silicone rubber. The problem of poor combustion effect

Method used

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  • A ceramic refractory filler and its preparation method and application
  • A ceramic refractory filler and its preparation method and application
  • A ceramic refractory filler and its preparation method and application

Examples

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preparation example Construction

[0043] A method for preparing ceramic refractory fillers, used to prepare the ceramic refractory fillers, comprising the following steps:

[0044] (1) Dissolve the nitrogen-containing coordination functional group silane coupling agent in the diluent to obtain a silane coupling agent solution, then mix the silane coupling agent solution, porcelain-forming powder and ceramization additive for 2 hours, and then discharge, filter After drying, the silane coupling agent is modified into a porcelain powder;

[0045] (2) Dissolving chloroplatinic acid in the diluent to obtain a chloroplatinic acid solution, and then adding the chloroplatinic acid solution to the porcelain powder obtained by modifying the silane coupling agent obtained in step (1), and performing high-speed mixing Stir, filter and dry;

[0046] (3) Sodium borohydride is dissolved in the diluent to obtain sodium borohydride solution, and then the sodium borohydride solution is added to the powder obtained in step (2)...

Embodiment 1

[0063] A kind of vitrified refractory filler, calculated according to parts by weight, its raw material adopts the following components:

[0064] 80 parts of porcelain powder (specifically 40 parts of mica powder, 10 parts of aluminum hydroxide, 15 parts of wollastonite powder, 5 parts of silicon dioxide and 10 parts of kaolin powder);

[0065] 1 part of nitrogen-containing coordination functional group silane coupling agent (specifically 3-aminopropyltriethoxysilane);

[0066] 300 parts of diluent (specifically ethanol);

[0067] 0.5 parts of chloroplatinic acid;

[0068] 25 parts of sodium borohydride;

[0069] 2 parts of vitrification additives (specifically 1 part of borax and 1 part of glass fiber powder);

[0070] A preparation method of vitrified refractory filler adopts the following steps:

[0071] (1) Dissolve the nitrogen-containing coordination functional group silane coupling agent in 100 parts of diluent until the solution is clear and transparent to obtain a...

Embodiment 2

[0075] A kind of vitrified refractory filler, calculated according to parts by weight, its raw material adopts the following components:

[0076] 100 parts of porcelain powder (specifically 50 parts of mica powder, 10 parts of aluminum hydroxide, 20 parts of wollastonite powder, 10 parts of silicon dioxide and 10 parts of kaolin powder);

[0077] 3 parts of nitrogen-containing coordination functional group silane coupling agent (specifically 3-aminopropyltriethoxysilane);

[0078] 330 parts of diluent (specifically ethanol);

[0079] 0.8 parts of chloroplatinic acid;

[0080] 28 parts of sodium borohydride;

[0081] 6 parts of ceramic additives (specifically 3 parts of borax and 3 parts of glass fiber powder);

[0082] A preparation method of vitrified refractory filler adopts the following steps:

[0083] (1) Dissolve the nitrogen-containing coordination functional group silane coupling agent in 110 parts of diluent until the solution is clear and transparent to obtain a ...

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Abstract

The invention discloses a ceramic refractory filler and its preparation method and application. The ceramic refractory filler is calculated in parts by weight, and its raw materials include the following components: 80-120 parts of ceramic powder, nitrogen-containing coordination functional groups 1-5 parts of silane coupling agent, 300-360 parts of diluent, 0.5-1 part of chloroplatinic acid, 25-30 parts of sodium borohydride and 2-10 parts of ceramization aid. The ceramicized refractory filler has good compatibility with silicone rubber, and has good dispersion uniformity in silicone rubber, can effectively reduce the sintering temperature of ceramicized silicone rubber, and solves the problem of poor dispersion and catalytic efficiency of existing ceramicized fillers. low problem. The preparation method of the ceramicized refractory filler is simple, and the prepared ceramicized refractory filler has good refractory effect. The ceramized silicone rubber of the ceramized refractory filler has excellent mechanical properties, low porcelain forming temperature, and good flame-retardant and fire-resistant effects.

Description

technical field [0001] The invention relates to the technical field of ceramic refractory materials, in particular to a ceramic refractory filler and its preparation method and application. Background technique [0002] In recent years, the research of ceramic silicone rubber has provided new ideas and new methods for the field of flame retardancy and fire resistance. Ceramic silicone rubber has the excellent properties of ordinary polymers at room temperature, and can form a dense ceramic structure at high temperature to have The characteristics of ceramics have very broad application prospects in the fields of electronics, electrical wires and cables, and aerospace technology. Compared with traditional fireproof cables, the ceramic silicone rubber system is easy to process and simple in process, and can be processed with existing equipment and technology. Silicone rubber decomposes to produce non-conductive silicon, coupled with excellent resistance to extreme environment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K13/06C08K9/12C08K9/06C08K9/10C08K3/34C08K3/22C08K3/36C08K3/26C08L83/04
CPCC08K13/06C08K9/12C08K9/06C08K9/10C08K3/34C08K3/22C08K3/36C08K3/346C08K3/26C08L2201/02C08K2003/2227C08K2003/2224C08K2003/222C08K2003/265C08L83/04
Inventor 陈君行胡新嵩程小莲阮德高曹阳杰翟晓旭陈浩英何宗业章涛
Owner 广东高士高科实业有限公司