Water resistance metal binder and preparation method thereof

A technology of metal bonding and epoxy resin, applied in the direction of adhesives, non-polymer adhesive additives, non-polymer organic compound adhesives, etc., can solve the problems of low bonding strength, high cost, easy to fall off, etc. , to achieve the effect of easy industrial production, low production cost and high bonding strength

Inactive Publication Date: 2016-02-03
SUZHOU JIEDERUI PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, it is mainly through: 1. Screw hole or buckle structure, this method has more processes and is expensive; 2. Welding, this method is complicated to clamp and fix, and when the thickness of the metal shell is thin, it will affect the product. The appearance and follow-up treatment; 3. Using adhesives, the bonding strength of this method is not high, and it is easy to fall off when exposed to water

Method used

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  • Water resistance metal binder and preparation method thereof
  • Water resistance metal binder and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0015] A water-resistant metal adhesive, comprising in parts by weight: 5 parts of methyltriethoxysilane, 5 parts of ethyl silicate, 30 parts of α-cyanoacrylate glue, 40 parts of bisphenol F epoxy resin, 20 parts of E-39 epoxy resin, 5 parts of p-hydroxybenzenesulfonic acid, 5 parts of hydroxyethyl cellulose, 5 parts of sodium alginate, 5 parts of cobalt boroacylate, 2 parts of nano titanium dioxide, 5 parts of barium sulfate, calcium lactate 2 parts, calcium citrate 2 parts, tetrapod zinc oxide whiskers 2-7 parts, ethanol 10-15 parts, dilute hydrochloric acid 2 parts, water 15 parts.

[0016] The preparation method of the above-mentioned water-resistant metal binder is as follows: first, stir methyltriethoxysilane, ethyl silicate and ethanol at 75°C, slowly add the above-mentioned mixed solution of dilute hydrochloric acid and water, and wait for the solution to be clarified; Add α-cyanoacrylate glue, bisphenol F epoxy resin, E-39 epoxy resin, hydroxyethyl cellulose, sodium a...

Embodiment 2

[0018] A water-resistant metal adhesive, comprising in parts by weight: 7 parts of methyltriethoxysilane, 7 parts of ethyl silicate, 35 parts of α-cyanoacrylate glue, 45 parts of bisphenol F epoxy resin, 22 parts of E-39 epoxy resin, 6 parts of p-hydroxybenzenesulfonic acid, 6 parts of hydroxyethyl cellulose, 6 parts of sodium alginate, 6 parts of cobalt boroacylate, 3 parts of nano titanium dioxide, 6 parts of barium sulfate, calcium lactate 3 parts, 3 parts of calcium citrate, 3 parts of tetraacicular zinc oxide whiskers, 11 parts of ethanol, 3 parts of dilute hydrochloric acid, 17 parts of water.

[0019] The preparation method of the above-mentioned water-resistant metal binder is as follows: first, stir methyltriethoxysilane, ethyl silicate and ethanol at 77°C, slowly add the above-mentioned mixed solution of dilute hydrochloric acid and water, and wait for the solution to be clarified; Add α-cyanoacrylate glue, bisphenol F epoxy resin, E-39 epoxy resin, hydroxyethyl cell...

Embodiment 3

[0021] A water-resistant metal adhesive, comprising in parts by weight: 9 parts of methyltriethoxysilane, 9 parts of ethyl silicate, 45 parts of α-cyanoacrylate glue, 55 parts of bisphenol F epoxy resin, 28 parts of E-39 epoxy resin, 9 parts of p-hydroxybenzenesulfonic acid, 9 parts of hydroxyethyl cellulose, 9 parts of sodium alginate, 9 parts of cobalt boroacylate, 4 parts of nano titanium dioxide, 9 parts of barium sulfate, calcium lactate 4 parts, 4 parts of calcium citrate, 6 parts of tetraacicular zinc oxide whiskers, 14 parts of ethanol, 4 parts of dilute hydrochloric acid, 23 parts of water.

[0022] The preparation method of the above-mentioned water-resistant metal binder is as follows: first, stir methyltriethoxysilane, ethyl silicate and ethanol at 82°C, slowly add the above-mentioned mixed solution of dilute hydrochloric acid and water, and wait for the solution to be clarified; Add α-cyanoacrylate glue, bisphenol F epoxy resin, E-39 epoxy resin, hydroxyethyl cell...

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Abstract

The present invention provides a water resistance metal binder and a preparation method thereof, wherein the binder comprises methyltriethoxysilane, ethyl silicate, an alpha-cyanoacrylate glue, a bisphenol F epoxy resin, an E-39 epoxy resin, p-hydroxybenzenesulfonic acid, hydroxyethyl cellulose, sodium alginate, cobalt boroacylate, nanometer titanium dioxide, barium sulfate, calcium lactate, calcium citrate, tetrapod-like zinc oxide crystal whisker, ethanol, dilute hydrochloric acid and water. The preparation method comprises: stirring methyltriethoxysilane, ethyl silicate and ethanol at a temperature 75-85 DEG C, adding a mixing solution of dilute hydrochloric acid and water, adding other components excluding p-hydroxybenzenesulfonic acid after the solution is clarified, heating to a temperature of 45-55 DEG C, carrying out thermal insulation for 15-30 min, adding p-hydroxybenzenesulfonic acid, heating to a temperature of 120-140 DEG C, and maintaining for 2-3 h. According to the present invention, the metal binder has characteristics of high binding strength and water resistance, and does affect the connection after the instrument contacts water even is soaked in water; and the preparation method has characteristics of simple steps, easy control, easy industrial production, and low production cost.

Description

technical field [0001] The invention relates to the field of adhesives, in particular to a water-resistant metal adhesive and a preparation method thereof. Background technique [0002] With the development of society and the improvement of scientific and technological level, more and more precision instruments are manufactured, and people need more and more accurate scientific data to prove problems. This is also a major test for the manufacture of precision instruments. People have higher and higher requirements for the strength of materials. Most products are made of metal materials, such as aluminum alloy, stainless steel, zinc alloy, etc. The metal material has the advantages of high strength, thin thickness, fast heat dissipation, and good texture. But how to realize fast and effective connection between metals is a problem to be improved at present. At present, it is mainly through: 1. Screw hole or buckle structure, this method has more processes and is expensive; ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/02C09J4/06C09J11/06C09J11/04
Inventor 姚振红
Owner SUZHOU JIEDERUI PRECISION MACHINERY
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