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A kind of high temperature resistant composite inorganic binder and its preparation method and application

An inorganic binder, high temperature resistant technology, applied in the direction of inorganic adhesives, adhesives, coatings, etc., can solve the problems of high temperature corrosion protection of aircraft propellers, and achieve excellent thermal shock resistance, strong adhesion, The effect of excellent corrosion resistance

Active Publication Date: 2016-01-20
武汉双虎涂料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still great difficulties in high-temperature corrosion protection in high-temperature fields such as various high-temperature kilns, sintering furnaces, high-temperature smelting, aircraft engines, and aircraft propellers.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Raw material ratio: 10.0 g of analytical grade solid aluminum dihydrogen phosphate, 80.0 g of acidic zirconium sol with a solid content of 10%, an average particle size of 1 nm, and a pH value of 2.0, and 10.0 g of water.

[0030] Preparation steps: Add water and solid aluminum dihydrogen phosphate into the reactor, raise the temperature to 40° C. at a stirring speed of 300 rpm and keep the temperature until the dissolution reaction is complete and the measured pH value is 2.1. Then take the above-mentioned zirconium sol and add it dropwise into the aluminum dihydrogen phosphate solution to obtain a translucent liquid, which is cooled to normal temperature and discharged to obtain a high-temperature resistant composite inorganic binder.

[0031] Base material properties: the binder density (25°C, normal pressure) 1.23g / cm 3 , viscosity (25°C, Tu-4 # Cup) 14s, solid content 18%, system pH 2, storage period (25°C) 10 months.

[0032] Coating film performance: air sprayi...

Embodiment 2

[0034] Raw material ratio: 70.0 g of solid aluminum dihydrogen phosphate, 10.0 g of acidic zirconium sol with a solid content of 15%, an average particle size of 10 nm, and a pH value of 4.0, and 20.0 g of water.

[0035] Preparation steps: Add water and solid aluminum dihydrogen phosphate into the reactor, raise the temperature to 30° C. at a stirring speed of 800 rpm and keep it warm until the dissolution reaction is complete and the pH value is 2.0. Then take the above-mentioned zirconium sol and add it dropwise into the aluminum dihydrogen phosphate solution to obtain a translucent liquid, which is cooled to normal temperature and discharged to obtain a high-temperature resistant composite inorganic binder.

[0036] Base material properties: the binder density (25°C, normal pressure) 1.69g / cm 3 , viscosity (25°C, Tu-4 # Cup) 35s, solid content 71.5%, pH value 2.1, storage period (25°C) 12 months.

[0037] Coating film performance: air spraying to form a coating film, the...

Embodiment 3

[0039] Raw material ratio: 30.0 g of solid aluminum dihydrogen phosphate, 50.0 g of neutral zirconium sol with a solid content of 20%, an average particle size of 20 nm, and a pH value of 6.0, and 20.0 g of water.

[0040] Preparation steps: Add water and solid aluminum dihydrogen phosphate into the reactor, raise the temperature to 50° C. at a stirring speed of 1000 rpm, and keep the temperature until the dissolution reaction is complete and the pH value is 2. Then take the above-mentioned zirconium sol and add it dropwise into the aluminum dihydrogen phosphate solution to obtain a translucent liquid, which is cooled to normal temperature and discharged to obtain a high-temperature resistant composite inorganic binder.

[0041] Base material properties: the binder density (25°C, normal pressure) 1.53g / cm 3 , viscosity (25°C, Tu-4 # Cup) 24s, solid content 40%, pH value 2.7, storage period (25 ℃) 11 months.

[0042] Coating film performance: air spraying to make a coating fi...

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Abstract

The invention provides a high temperature-resistant composite inorganic binder, as well as a preparation method and an application thereof. The binder is a waterborne binder containing aluminum dihydrogen phosphate, zirconium sol and water. The binder comprises the following components in percentage by weight: 10-70% of aluminum dihydrogen phosphate, 10-80% of zirconium sol and 0-80% of water. The preparation method comprises the following steps: weighing the aluminum dihydrogen phosphate, the zirconium sol and the water according to the proportion, uniformly mixing under the conditions that the temperature is 20 DEG C-100 DEG C and the stirring speed is 200rpm-1000rpm, cooling and then obtaining the required high temperature-resistant composite inorganic binder. The binder has excellent high temperature resistance and can withstand the temperature of 2000 DEG C for a long time. The high temperature-resistant composite inorganic binder can be used for high temperature-resistant materials, ceramic coatings, fireproof materials, ceramic materials, high-temperature kiln repair materials, refractory materials, flame-retardant materials, high temperature-resistant adhesives and the like.

Description

technical field [0001] The invention relates to the field of binders, in particular to a high-temperature-resistant composite inorganic binder and a preparation method thereof. The binder can be used in fields including high-temperature-resistant coatings, ceramic coatings, ceramic materials, high-temperature kiln repair materials, shaped or unshaped refractory materials, flame-retardant coatings, and high-temperature-resistant adhesives. 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-oxid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J1/00C09D1/00
Inventor 戴雷冯俊王亚文
Owner 武汉双虎涂料股份有限公司
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