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High-temperature-resistant inorganic composite adhesive and preparation method thereof

An inorganic composite and binder technology, applied in inorganic adhesives, non-polymer adhesive additives, adhesives, etc., can solve the problems of corrosion of inorganic materials, unfavorable energy saving and consumption reduction of kilns and boilers, and high curing temperature. Achieve the effects of good adhesion and corrosion, obvious synergistic effect, and scientific and simple preparation method

Inactive Publication Date: 2016-06-01
淄博市新材料研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary inorganic binders not only have low bonding strength, but also require high curing temperature, long curing time, poor acid and alkali resistance and wear resistance; organic binders contain organic components, which are not only harmful to the human body. and harmful to the environment, and there are also defects such as poor heat resistance and low bond strength at high temperatures
At present, various boilers and kilns using inorganic non-metallic materials seldom use coatings to protect inorganic materials. Save energy and reduce consumption, and increase production costs, and even fail to produce qualified products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The high-temperature-resistant inorganic composite binder includes the following raw materials in parts by weight: 10 parts of aluminum hydroxide, 8 parts of zirconium sol, 0.5 parts of rare earth oxide, 15 parts of palygorskite powder, 15 parts of sodium silicate, and 10 parts of calcined kaolin. 3 parts, 3 parts of hollow microspheres, 30 parts of water.

[0023] The rare earth oxide is a mixture of yttrium oxide, lanthanum oxide and cerium oxide, and the mixing mass ratio is 2:1:3.

[0024] The particle size of the hollow microspheres is 350-400 μm, and the capacity is 420-450 kg / m 3 .

[0025] First mix aluminum hydroxide, rare earth oxides, palygorskite powder, hollow microspheres and water at room temperature, then add zirconium sol, sodium silicate and calcined kaolin to the mixture, and then react at a temperature of 40±5°C It is mixed under the pressure to obtain a high temperature resistant inorganic composite binder.

Embodiment 2

[0027] The high temperature resistant inorganic composite binder includes the following raw materials in parts by weight: 20 parts of aluminum hydroxide, 3 parts of zirconium sol, 0.2 parts of rare earth oxide, 20 parts of palygorskite powder, 30 parts of sodium silicate, 5 parts of calcined kaolin Parts, 10 parts of hollow microspheres, 55 parts of water.

[0028] The rare earth oxide is a mixture of yttrium oxide, lanthanum oxide and cerium oxide, and the mixing mass ratio is 4:3:8.

[0029] The particle size of the hollow microspheres is 420-450 μm, and the capacity is 460-480 kg / m 3 .

[0030] First mix aluminum hydroxide, rare earth oxides, palygorskite powder, hollow microspheres and water at room temperature, then add zirconium sol, sodium silicate and calcined kaolin to the mixture, and then react at a temperature of 45±5°C It is mixed under the pressure to obtain a high temperature resistant inorganic composite binder.

Embodiment 3

[0032] The high temperature resistant inorganic composite binder includes the following raw materials in parts by weight: 15 parts of aluminum hydroxide, 5 parts of zirconium sol, 0.3 parts of rare earth oxide, 18 parts of palygorskite powder, 25 parts of sodium silicate, 6 parts of calcined kaolin Parts, 7 parts of hollow microspheres, 45 parts of water.

[0033] The rare earth oxide is a mixture of yttrium oxide, lanthanum oxide and cerium oxide, and the mixing mass ratio is 1:3:5.

[0034] The particle size of the hollow microspheres is 450-490 μm, and the capacity is 500-530 kg / m 3 .

[0035] First mix aluminum hydroxide, rare earth oxides, palygorskite powder, hollow microspheres and water at room temperature, then add zirconium sol, sodium silicate and calcined kaolin to the mixture, and then react at a reaction temperature of 50±5°C It is mixed under the pressure to obtain a high temperature resistant inorganic composite binder.

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Abstract

The invention relates to a high-temperature-resistant inorganic composite adhesive and a preparation method thereof and belongs to the technical field of adhesive materials. The high-temperature-resistant inorganic composite adhesive is prepared from, by weight, 10-20 parts of aluminum hydroxide, 3-8 parts of zirconium sol, 0.2-0.5 part of rare earth oxide, 15-20 parts of palygorskite powder, 15-30 parts of silicate, 5-10 parts of an active filling agent, 3-10 parts of hollow microspheres and 30-55 parts of water. The adhesive is simple in formula and scientific in design, has the advantages of being excellent in corrosion resistance, high temperature resistance, abrasion resistance, short in curing time and the like, and is safe, saves energy and is environmentally friendly and wide in application range. Meanwhile, the invention provides the simple and practical preparation method of the high-temperature-resistant inorganic composite adhesive.

Description

technical field [0001] The invention relates to a high-temperature-resistant inorganic composite binder and a preparation method thereof, belonging to the technical field of binder materials. Background technique [0002] Since the 1950s, with the industry's higher and higher requirements for materials and structures operating in high-temperature environments, people have developed a variety of high-temperature protective coatings, from traditional single-layer coatings to multi-layer coatings. Layer composite gradient coating, the coating material is from pure metal material to the current ceramic coating and composite coating of metal material and ceramic material, and endows the coating material with anti-corrosion, anti-oxidation protection and some special functions. [0003] The service temperature of inorganic non-metallic materials is generally not lower than 1400°C. Ordinary inorganic binders not only have low bonding strength, but also require high curing temperat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J1/02C09J11/04
CPCC09J1/02C09J11/04
Inventor 范海涛于海宝马桂红
Owner 淄博市新材料研究所
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