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Heat-resistant organic silicon red mark coating for railway vehicles

A rail vehicle, high temperature resistance technology, applied in the direction of coating, can solve the problems of poor alkali resistance, short shelf life, single color, etc., and achieve the effect of excellent high temperature resistance, long shelf life and high temperature resistance

Inactive Publication Date: 2012-10-17
DALIAN JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is: to overcome the short shelf life of the existing room temperature curing high temperature resistant silicone resin coating, the shortcomings of low temperature water resistance, acid resistance, alkali resistance and single color, etc., to develop a low cost, simple process, long shelf life, durable 500-600℃ high temperature, bright red color, room temperature curing high temperature resistant silicone red coating

Method used

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  • Heat-resistant organic silicon red mark coating for railway vehicles
  • Heat-resistant organic silicon red mark coating for railway vehicles

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Experimental program
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Effect test

Embodiment 1~5

[0030]Prepare coatings according to the ratio given in Table 1. Mix the solid content of 70% methylphenyl silicone resin solution, fumed silica (10-30nm, Hangzhou Wanjing New Material Co., Ltd.), aluminum powder (17-19μm, Henan Yuanyang Aluminum Co., Ltd.), talcum powder (600 mesh, Haicheng Jinheng Magnesium Co., Ltd.), iron oxide red (Hunan Changsha Sanhuan superfine iron oxide red), pearl powder GL524 (5-25μm, Hangzhou Jintian Pearlescent Pigment Co., Ltd.), tetra-n-butyl titanate ( Shanghai Kefeng Chemical Reagent Co., Ltd.) defoamer E1 and leveling agent S43 (Shenzhen Haichuan Chemical Technology Co., Ltd.) were mixed at 1000 rpm to obtain the high temperature resistant silicone red marking paint for rail vehicles of the present invention.

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Abstract

The invention relates to a heat-resistant organic silicon red mark coating for railway vehicles and belongs to the field of coatings. The coating is prepared by mixing the following materials in percentage by weight: 40-47% of organic silicon resin solution, 20-28% of aluminium powder, 5-15% of talcum powder, 7-9% of red pigment, 10-15% of red pearl powder, 0-2% of fumed silica, 2-2.5% of tetrabutyl titanate, 0.6% of flatting agent and 0.1% of defoaming agent. The prepared coating provided by the invention has the characteristics as follows: simple coating process, long quality guarantee period, room temperature solidifying performance, excellent physical-chemical coating performance and long-term use performance at a temperature of 500 to 600 DEG C, and can satisfy the use requirement that the heat-resistant component of the railway vehicles has effects of caution and mark.

Description

technical field [0001] The invention relates to a high-temperature-resistant organosilicon red marking paint for rail vehicles, which belongs to the field of paint. Background technique [0002] The braking system of rail vehicles is one of the important factors related to the safe operation of rail vehicles, so it is necessary to check whether the braking system is loose before each vehicle runs. The standard of inspection is to see whether the position of the galvanized fasteners coated with marking paint has moved. As we all know, during the braking process of rail vehicles, a high temperature of 500-600°C will be generated instantaneously. The marking paint used as a mark must be able to withstand a high temperature of about 600°C and be bright red with a warning effect. [0003] At present, coatings with a temperature resistance exceeding 400°C can be divided into inorganic high temperature resistant coatings and silicone high temperature resistant coatings by binder. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D5/36C09D7/12
Inventor 李国军任瑞铭魏岩斌
Owner DALIAN JIAOTONG UNIVERSITY
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