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High temperature resisting magnesium phosphate adhesive with high strength and preparation method thereof

A high-strength, magnesium phosphate technology, used in adhesives, non-polymer adhesive additives, non-polymer organic compound adhesives, etc., can solve the problem of limited bond strength and achieve the effect of good bond strength

Inactive Publication Date: 2013-09-18
SUZHOU NEW DISTRICT JIAHE PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its bond strength is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] In parts by weight, weigh the following components: 30 parts of magnesium hydroxide, 80 parts of phosphoric acid, 5 parts of aluminum hydroxide, 40 parts of silica sol, 10 parts of aluminum sol, 5 parts of aluminum borate, 3 parts of sodium fluorosilicate, 3 parts of sodium pyrophosphate, 5 parts of triethanolamine, 3 parts of natural rubber, 2 parts of acrylate, 5 parts of polyvinyl acetate emulsion, 3 parts of acrylic emulsion, 20 parts of ethanol, 5 parts of bentonite, 5 parts of silicon carbide, 3 parts of quartz sand 5 parts, 5 parts of borax, 2 parts of zinc powder, 3 parts of methyl methacrylate, 3 parts of surfactant, 30 parts of water.

[0030] The solid content in the above-mentioned silica sol is 25%, the solid content in the aluminum sol is 15%, the acrylate is methyl acrylate, the particle size of quartz sand is 200 mesh, the particle size of silicon carbide is 200 mesh, and the particle size of zinc powder is 400 mesh, the surfactant adopts lauryl trimethy...

Embodiment 2

[0038] In parts by weight, weigh the following components: 50 parts of magnesium hydroxide, 100 parts of phosphoric acid, 10 parts of aluminum hydroxide, 60 parts of silica sol, 20 parts of aluminum sol, 10 parts of aluminum borate, 5 parts of sodium fluorosilicate, 5 parts of sodium pyrophosphate, 8 parts of triethanolamine, 6 parts of natural rubber, 4 parts of acrylate, 10 parts of polyvinyl acetate emulsion, 6 parts of acrylic emulsion, 30 parts of ethanol, 10 parts of bentonite, 10 parts of silicon carbide, 5 parts of quartz sand 10 parts of borax, 4 parts of zinc powder, 6 parts of methyl methacrylate, 5 parts of surfactant, and 50 parts of water.

[0039] The solid content in the above-mentioned silica sol is 35%, the solid content in the aluminum sol is 25%, the acrylate is ethyl acrylate, the particle size of quartz sand is 400 mesh, the particle size of silicon carbide is 400 mesh, and the particle size of zinc powder is 600 mesh, the surfactant adopts stearyl trimet...

Embodiment 3

[0047] In parts by weight, the following components were weighed: 40 parts of magnesium hydroxide, 90 parts of phosphoric acid, 7 parts of aluminum hydroxide, 50 parts of silica sol, 15 parts of aluminum sol, 7 parts of aluminum borate, 4 parts of sodium fluorosilicate, 4 parts of sodium pyrophosphate, 7 parts of triethanolamine, 5 parts of natural rubber, 3 parts of acrylate, 8 parts of polyvinyl acetate emulsion, 5 parts of acrylic emulsion, 25 parts of ethanol, 8 parts of bentonite, 6 parts of silicon carbide, 4 parts of quartz sand Parts, 7 parts of borax, 3 parts of zinc powder, 5 parts of methyl methacrylate, 4 parts of surfactant, 40 parts of water.

[0048]The solid content in silica sol is 30%, the solid content in aluminum sol is 20%, the acrylate is butyl acrylate, the particle size of the above-mentioned quartz sand is 300 mesh, the particle size of silicon carbide is 300 mesh, zinc powder The particle size is 600 mesh, and the surfactant is myristyltrimethylammoni...

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Abstract

The invention relates to a high temperature resisting magnesium phosphate adhesive with high strength and a preparation method thereof. The invention provides a phosphate-based metal adhesive. The adhesive comprises the following components in parts by weight: 30-50 parts of magnesium hydroxide, 80-100 parts of phosphoric acid, 5-10 parts of aluminum hydroxide, 40-60 parts of silicon sol, 10-20 parts of alumina sol, 5-10 parts of aluminum borate, 3-5 parts of sodium fluosilicate, 3-5 parts of sodium pyrophosphate, 5-8 parts of triethanolamine, 3-6 parts of natural rubber, 2-4 parts of acrylic ester, 5-10 parts of a polyvinyl acetate emulsion, 3-6 parts of an acrylic emulsion, 20-30 parts of ethanol, 5-10 parts of bentonite, 5-10 parts of silicon carbide, 3-5 parts of quartz sand, 5-10 parts of borax, 2-4 parts of zinc powder, 3-6 parts of methyl methacrylate, 3-5 parts of a surfactant and 30-50 parts of water. The combining strength of the phosphate adhesive to a ceramic wafer can reach over 2.8MPa. After high temperature endurance test, the adhesive can still reach better bonding strength.

Description

[0001] technical field [0002] The invention provides a metal adhesive, in particular relates to a phosphate-based metal adhesive, and belongs to the technical field of adhesives. [0003] Background technique [0004] Adhesive is a chemical product manufactured through ingenious formula and reasonable production process. At present, adhesives mainly composed of synthetic polymer materials account for about 70% of the total. Most of these adhesives are organic adhesives with low operating temperature. [0005] Inorganic adhesives are a wide range of adhesives composed of inorganic salts, inorganic acids, inorganic alkali metals and metal oxides, hydroxides, etc. The outstanding advantage of this type of adhesive is that it has excellent high temperature resistance and can be used in the temperature range of 180-2900°C. In addition, it has high bonding strength, small curing shrinkage, excellent durability, low price, no pollution, The preparation process is simple, the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/02C09J11/04
Inventor 张卫蒋学功张美英
Owner SUZHOU NEW DISTRICT JIAHE PLASTIC
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