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Organic-inorganic composite coating material, preparation method thereof, and method for preparing wear-resistant coating by using organic-inorganic composite coating material

A technology of inorganic composite and coating materials, which is applied in the field of organic-inorganic composite coating materials, preparation, and preparation of wear-resistant coatings. The preparation method is simple and the effect of improving wear resistance

Active Publication Date: 2020-02-25
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the problems in the prior art that the wear-resistant coating of the aluminum bronze explosion-proof tool has poor bonding force to the substrate, and the wear resistance needs to be further improved, the present invention provides an organic-inorganic composite coating material, preparation method and utilization Its method for preparing wear-resistant coating

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  • Organic-inorganic composite coating material, preparation method thereof, and method for preparing wear-resistant coating by using organic-inorganic composite coating material
  • Organic-inorganic composite coating material, preparation method thereof, and method for preparing wear-resistant coating by using organic-inorganic composite coating material
  • Organic-inorganic composite coating material, preparation method thereof, and method for preparing wear-resistant coating by using organic-inorganic composite coating material

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Embodiment 1

[0045] An embodiment of the present invention provides a method for preparing an organic-inorganic composite coating material, comprising the following steps:

[0046] Step 1, dissolving butyl titanate in absolute ethanol to obtain a butyl titanate solution with a mass concentration of 7wt%, and adding dropwise an acetic acid solution with a mass concentration of 16wt% in the butyl titanate solution, the dropping speed rate of 0.05mL / s, stirred for 2 hours, sealed and aged for 12 hours to obtain titanium dioxide sol; wherein butyl titanate and CH in acetic acid 3 The molar ratio of COOH is 0.16:1;

[0047]Step 2, dissolve ethyl orthosilicate in absolute ethanol to obtain a solution of ethyl orthosilicate with a mass concentration of 25wt%, and add γ-(methacryloyl Oxygen)propyltrimethoxysilane, mixed evenly, adding water in an amount 6 times the molar weight of ethyl orthosilicate, adjusting the pH to 2.5, stirring for 2 hours, sealing and standing for 6 hours to obtain a hybr...

Embodiment 2

[0072] An embodiment of the present invention provides a method for preparing an organic-inorganic composite coating material, comprising the following steps:

[0073] Step 1, dissolving butyl titanate in absolute ethanol to obtain a butyl titanate solution with a mass concentration of 5wt%, and adding dropwise an acetic acid solution with a mass concentration of 18wt% in the butyl titanate solution, the dropping speed rate of 0.08mL / s, stirred for 1.5h, sealed and aged for 13h to obtain titanium dioxide sol; wherein butyl titanate and CH in acetic acid 3 The molar ratio of COOH is 0.1:1;

[0074] Step 2, dissolve ethyl orthosilicate in dehydrated alcohol, obtain the ethyl orthosilicate solution of mass concentration 30wt%, add the gamma-(methacryloyloxy ) Propyltrimethoxysilane, mixed evenly, adding water in an amount 6.5 times the molar weight of ethyl orthosilicate, adjusting the pH to 3, stirring for 2.5 hours, sealing and standing for 5.5 hours to obtain a hybrid silica ...

Embodiment 3

[0080] An embodiment of the present invention provides a method for preparing an organic-inorganic composite coating material, comprising the following steps:

[0081] Step 1, dissolving butyl titanate in absolute ethanol to obtain a butyl titanate solution with a mass concentration of 8wt%, and adding dropwise an acetic acid solution with a mass concentration of 18wt% in the butyl titanate solution, the dropping speed rate of 0.1mL / s, stirred for 2.5h, sealed and aged for 11h to obtain titanium dioxide sol; wherein butyl titanate and CH in acetic acid 3 The molar ratio of COOH is 0.2:1;

[0082] Step 2, dissolve ethyl orthosilicate in absolute ethanol to obtain a solution of ethyl orthosilicate with a mass concentration of 22wt%, and add γ-(methacryloyl Oxygen)propyltrimethoxysilane, mixed evenly, adding water with 5.5 times the molar weight of ethyl orthosilicate, adjusting the pH to 2, stirring for 1.5h, sealing and standing for 6.5h to obtain hybrid silica sol ;

[0083...

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Abstract

The invention discloses an organic-inorganic composite coating material, a preparation method, and a method for preparing a wear-resistant coating by using the organic-inorganic composite coating material. The preparation method of the organic-inorganic composite coating material comprises the following steps: taking tetraethoxysilane as a precursor, and adding a silane coupling agent to prepare ahybrid silica sol; and reacting the hybrid silica sol with a titanium dioxide sol to obtain the organic-inorganic composite coating material. A matrix is pretreated, then is impregnated in the organic-inorganic composite coating material for 1-2 min, then is pulled out at a constant speed and stands for 2-4 h, and then the coating material is dried to form the wear-resistant coating on the matrix. The prepared organic-inorganic composite coating material can form the flat and compact coating on the surface of the matrix, so the wear resistance of the matrix is remarkably improved; the preparation method is simple, the production efficiency is high, and the organic-inorganic composite coating material has wide application prospects in the field of explosion-proof materials.

Description

technical field [0001] The invention relates to the technical field of wear-resistant coating materials, in particular to an organic-inorganic composite coating material, a preparation method and a method for preparing a wear-resistant coating using the same. Background technique [0002] Explosion-proof tools are collectively referred to as safety tools and non-sparking tools internationally. They are made of non-steel materials and are hand-held tools used in flammable and explosive places. At present, the materials of explosion-proof tools produced, sold and distributed in China are mainly divided into two categories: aluminum-copper alloy (commonly known as aluminum bronze) and beryllium bronze alloy (commonly known as beryllium copper). These two alloys have very good thermal conductivity and electrical conductivity. No sparks will be generated under the condition of impact and friction, and it is suitable for manufacturing explosion-proof tools used in flammable, explo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/61
CPCC09D1/00C09D7/61
Inventor 张欣王子岩蔡涛
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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