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Water-based high temperature resistant protective coating and its application and production method of titanium ingot

A protective coating and high temperature resistant technology, applied in the coating and other directions, can solve the problem of unsatisfactory protection of titanium ingots, and achieve the effects of increasing production cost and production time, simple preparation process and reducing production cost.

Active Publication Date: 2015-09-16
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defect that the existing water-based high-temperature-resistant protective coating is not ideal for the protection of titanium ingots, and to provide a new water-based high-temperature-resistant protective coating and its application and production method for titanium ingots

Method used

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  • Water-based high temperature resistant protective coating and its application and production method of titanium ingot
  • Water-based high temperature resistant protective coating and its application and production method of titanium ingot
  • Water-based high temperature resistant protective coating and its application and production method of titanium ingot

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preparation example Construction

[0029] There is no special requirement for the preparation method of the water-based high-temperature-resistant protective coating of the present invention, and various methods commonly used in the art can be used, as long as the components are mixed uniformly. However, the inventors of the present invention found in their research that the following method can be used to prepare the water-based high temperature resistant protective coating, so that the components can be mixed more uniformly. The specific method is: under stirring, slowly add the oxidation protection agent into the water-soluble film-forming agent, when the amount of the oxidation protection agent is added in half, start to slowly add 3-5% of water, and make the oxidation protection agent and 3-5 % of water is added together, then add curing agent, stir evenly, then add dispersant, stir until the liquid is in a uniform and stable phase, then add thickener, stir evenly and then add the remaining water.

[0030]...

Embodiment 1

[0045] This embodiment is used to illustrate the production method of the water-based high temperature resistant protective coating and titanium ingot of the present invention.

[0046] (1) At normal temperature and pressure (25°C, 0.1MPa), weigh 100g of styrene-acrylic emulsion (solid content 50% by weight) and place it in a container;

[0047] (2) Weigh 800g of Al powder, 50g of Fe powder and 50g of Cu powder, and slowly add them into the container under stirring. Powder, Fe powder, Cu powder and water are added together;

[0048] (3) Weigh 1g SiO 2 , add to the container, and stir evenly;

[0049] (4) Weigh 0.5g polyvinyl alcohol (purchased from Qingdao Anmao International Trade Co., Ltd., Z-200) into the container, stir until the liquid is in a uniform and stable phase;

[0050] (5) Weigh 1 g of carboxymethyl cellulose (purchased from Hebei Xingtai Cellulose Co., Ltd., XTHPMC10) into a container, stir evenly, add water to make up to 1 L, and obtain water-based high temp...

Embodiment 2

[0054] This embodiment is used to illustrate the production method of the water-based high temperature resistant protective coating and titanium ingot of the present invention.

[0055] (1) At normal temperature and pressure (25°C, 0.1MPa), weigh 54g of styrene-acrylic emulsion (solid content 40% by weight) and place it in a container;

[0056] (2) Weigh 770g of Al powder, 40g of Fe powder and 40g of Cu powder, and slowly add them into the container under stirring. When half of the amount of Al powder, Fe powder and Cu powder is added, slowly add 50g of water, and make Powder, Fe powder, Cu powder and water are added together;

[0057] (3) Weigh 1.7g SiO2 2 , add to the container, and stir evenly;

[0058] (4) Weigh 0.68g of polyvinylpyrrolidone (purchased from Guangzhou Batai Chemical Co., Ltd., PVPK90) into the container, stir until the liquid is in a uniform and stable phase;

[0059] (5) Weigh 3.4g of hydroxyethyl cellulose (purchased from Hebei Xingtai Cellulose Co., L...

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Abstract

The invention discloses an aqueous high temperature resistant protection paint prepared by evenly mixing a raw material mixture, the raw material mixture contains an oxidation protective agent, a water soluble film-forming agent and water; the oxidation protective agent contains Al powder, Fe powder and Cu powder, the weight ratio of Al powder to Fe powder to Cu powder is 1:0.01-0.1:0.01-0.1. The invention also discloses the application of the aqueous high temperature resistant protection paint in titanium ingot production and a titanium ingot production method. The aqueous high temperature resistant protection paint can guarantee that titanium ingot surface cannot be oxidized to crack at a constant high temperature of 1000 DEG C for 8h, can greatly reduce the formation of a dissolved oxygen layer, has the environmental protection function, and is simple in the preparation process, and a variety of coating methods can be used. The titanium ingot production method has good economic benefit and social benefit, and has broad popularization and application prospects in titanium plate and titanium tube production industry.

Description

technical field [0001] The invention relates to the field of metal high-temperature-resistant coatings, in particular to a water-based high-temperature-resistant protective coating, the application of the water-based high-temperature-resistant protective coating in the production of titanium ingots, and a production method of titanium ingots. Background technique [0002] Titanium ingots generally undergo annealing treatment during the production process. Annealing is generally carried out at a high temperature of about 900°C. At high temperatures, oxygen will enter the surface of the titanium ingot to form a hard dissolved oxygen layer. The titanium ingot is heated at 900°C for 4 hours. Deep cracks with a depth of about 20mm will appear on the above surface. In order to ensure the subsequent rolling of titanium tubes and the surface quality of hot-rolled titanium plates, it is necessary to cut and grind the titanium ingots during the rolling process to remove cracks and dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/12C21D1/68
Inventor 许哲峰李军王莹彭琳肖聪
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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