High-temperature vulcanized modified silicon rubber and ceramic glaze interface coupling method

A technology of high-temperature vulcanization and modified silicon, which is applied in the direction of electrical components, insulators, circuits, etc., to achieve the effect of improving the interface bonding quality and excellent electrical performance

Active Publication Date: 2013-10-23
JIANGSU SOUTH PORCELAIN INSULATOR CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The production and testing of rod-type porcelain composite insulators have not been reported. In order to manufacture high-quality rod-type porcelain composite insulators, the bonding quality of the above-mentioned macroscopic interfaces must be guaranteed

Method used

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  • High-temperature vulcanized modified silicon rubber and ceramic glaze interface coupling method

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Embodiment 1

[0015] 1. Glaze preparation on the surface of ceramic mandrel:

[0016] The formula of the glaze on the surface of the ceramic mandrel is the white glaze base in Example 1 of the invention titled "A high-strength electric porcelain gray glaze formula and its preparation method" (application number: 201210309567.8, application date: 2012-08-28) Material formula, that is: the white glaze base material includes the following components and the parts by weight of each component are: 25 parts of potassium feldspar, 27 parts of quartz, 9 parts of Xinhui powder, 5 parts of washed kaolin, 6 parts of xingzi kaolin, talc 8 parts, limestone 5 parts, left cloud soil 4 parts, zirconium silicate 3 parts, alumina 8 parts.

[0017] During preparation, firstly weigh each raw material according to the above white glaze base material formula, then add water with 30% of the total weight of the white glaze base material and stir to obtain a slurry, and ball mill the slurry until the fineness reach...

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Abstract

The invention discloses a high-temperature vulcanized modified silicon rubber and ceramic glaze interface coupling method. With the adoption of a glaze material on the surface of a specially-made ceramic core rod and specially-made high-temperature vulcanized modified silicon rubber, interface adhesion of the ceramic core rod and the high-temperature vulcanized modified silicon rubber is finished through carrying out a clearing working procedure on pollutants on the surface of a ceramic core rod semi-finished product, a predrying working procedure, a washing and drying working procedure, a coupling agent spraying and predrying working procedure, and a high-temperature and high-pressure coupling agent injection working procedure in sequence. With the adoption of the high-temperature vulcanized modified silicon rubber and ceramic glaze interface coupling method, the interface adhesive quality of the silicon rubber and the ceramic glaze can be improved, the excellent whole electrical performance of a porcelain compound insulator is guaranteed, the interface adhesive force of the silicon rubber and the ceramic glaze is larger than silicon rubber mechanical tearing strength 7kN / m; and the whole product is boiled in salt water for 42 hours, and then the product is impacted through steep wave plus and minus 25 times of which the steepness are not less than 1500kV / microsecond.

Description

technical field [0001] The invention relates to an insulator manufacturing process, mainly inventing a porcelain composite insulator rubber-ceramic interface coupling process, specifically an interface coupling process between high-temperature vulcanized modified silicon rubber and ceramic glaze. Background technique [0002] Rod porcelain composite insulators for electrified railways use high-temperature vulcanized silicone rubber with modified matrix as the outer insulating shed sheath, fine industrial alumina high-strength ceramics as the inner insulating mandrel, and high-strength silicic acid for variable vibration technology. A new type of hybrid insulator with salt gel end attachments. For this new hybrid insulator, the quality of the macroscopic interface determines the overall electromechanical properties of the insulator, that is, the quality of the interface between the metal attachment and the silicate cement and the ceramic core rod and the silicate cement deter...

Claims

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Application Information

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IPC IPC(8): H01B19/00
Inventor 杨志峰王根水王士维周志勇刘少华张海兵
Owner JIANGSU SOUTH PORCELAIN INSULATOR CO LTD
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