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High-flexibility and high-glossiness inorganic coating and preparation method

An inorganic coating and flexibility technology, applied in the coating and other directions, can solve the problems of poor gloss and poor flexibility, and achieve the effect of improving flexibility, low cost and avoiding gelation

Active Publication Date: 2015-01-28
CRRC QINGDAO SIFANG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the deficiencies such as poor flexibility and poor gloss in the prior art, and provides a high flexibility, high gloss inorganic coating and its preparation method

Method used

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  • High-flexibility and high-glossiness inorganic coating and preparation method
  • High-flexibility and high-glossiness inorganic coating and preparation method
  • High-flexibility and high-glossiness inorganic coating and preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0057] Embodiment 1: Primer formula and technology.

[0058] Such as figure 1 As shown, the optimized process of the primer in the example is as follows: First, according to the formula content in Table 1, stir deionized water and half the amount of additives under the condition of 200r / min for 10min, then add titanium dioxide, kaolin, mica powder and For talcum powder, disperse at a high speed under the condition of 1200r / min. After stirring for 30 minutes, reduce the stirring speed to 500r / min, add silica sol and the remaining additives, and continue stirring for 60 minutes to finally obtain a composition with a pH of 9.3-9.5. Point A; figure 2 As shown, mix acetic anhydride, methyltrimethoxysilane and dimethyldimethoxysilane, and stir evenly to obtain component B.

[0059] Stir the prepared component A and component B according to the mass ratio of 100:38 under the condition of 300r / min for 60min, and then ripen at room temperature for 48 hours to obtain the final inorga...

Embodiment 2

[0060] Embodiment 2: Primer formula and technology

[0061] The procedure of Example 1 was repeated at the respective component levels specified in Tables 1 and 2 below.

Embodiment 3

[0062] Embodiment 3: Primer formula and technology

[0063] The procedure of Example 1 was repeated at the respective component levels specified in Tables 1 and 2 below.

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Abstract

The invention relates to a high-flexibility and high-glossiness inorganic coating and a preparation method; the inorganic coating comprises base coat and finishing coat; the base coat comprises two components, wherein the component A of the base coat comprises the following ingredients in parts by weight: 42 to 45 parts of silica sol, 19 to 22 parts of titanium dioxide, 5.3 to 6.3 parts of kaolin, 4.4 to 4.6 parts of mica powder, 2.2 to 2.3 parts of talcum powder, 20 to 23 parts of deionized water and 1.9 to 2.1 parts of assistant, and the component B of the base coat comprises the following ingredients in parts by weight: 1.0 to 1.1 parts of acetic anhydride, 81.3 to 84.1 parts of methyl trimethoxy silane and 14.9 to 17.6 parts of dimethyl dimethoxy silane; the finishing coat comprises two components. When in use, the two components are mixed and cured according to required proportion and then sprayed on treated metal substrate. The high-flexibility and high-glossiness inorganic coating has the advantages of low carbon, high flexibility, acid-base resistance, long shelf life at room temperature, capability of solidification at room temperature, and the like.

Description

technical field [0001] The invention relates to a high-flexibility, high-gloss inorganic paint and a preparation method thereof, belonging to the field of paint preparation. Background technique [0002] Inorganic coatings with water-soluble silica sol as the main film-former have the advantages of low carbon, environmental protection, high hardness, and high temperature resistance, but they also have defects such as poor flexibility, poor gloss, easy cracking, and poor leveling, which limit their application. [0003] Cui Xuejun (Cui Xuejun, research on environmentally friendly organic-inorganic functional coatings, doctoral thesis of Dalian Jiaotong University, 2009.) Using alkaline silica sol as raw material, modifying it with methyltrimethoxysilane, thereby modifying silica sol Inorganic coatings prepared for film-forming substances have good physical and chemical properties and high temperature resistance. But this single-component coating has a short stable time, poor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12
Inventor 李国军方俊升赵越赵民夏海渤黎春阳任瑞铭
Owner CRRC QINGDAO SIFANG CO LTD
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