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Protective paint, application thereof and titanium ingot production method

A technology for protecting coatings and titanium ingots, applied in coatings and other directions, can solve problems such as unsatisfactory protection of titanium ingots, achieve the effects of increasing production costs and production time, saving production costs, and improving yields

Active Publication Date: 2014-08-27
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 defects that the existing protective coatings are not ideal for the protection of titanium ingots, and provide a new protective coating and its application and production method for titanium ingots

Method used

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  • Protective paint, application thereof and titanium ingot production method
  • Protective paint, application thereof and titanium ingot production method
  • Protective paint, application thereof and titanium ingot production method

Examples

Experimental program
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preparation example Construction

[0028] There is no special requirement for the preparation method of the 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 have found in research that the following method can be used to prepare the 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.

[0029] In the second aspect, the present invention provides the application of the ab...

Embodiment 1

[0044] This embodiment is used to illustrate the protective coating of the present invention and the production method of titanium ingot.

[0045] (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;

[0046] (2) Weigh 800g of Al powder and 50g of Sn powder, slowly add them into the container under stirring, when the amount of Al powder and Sn powder is added to half, start to slowly add 50g of water, and make the Al powder, Sn powder and water together added;

[0047] (3) Weigh 1g SiO2, add in the container, and stir evenly;

[0048] (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;

[0049] (5) Weigh 1 g of carboxymethyl cellulose (purchased from Hebei Xingtai Cellulose Co., Ltd., XTHPMC10) into a container, stir evenly, add water to dilute to 1 L, a...

Embodiment 2

[0053] This embodiment is used to illustrate the protective coating of the present invention and the production method of titanium ingot.

[0054] (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;

[0055] (2) Weigh 809g of Al powder and 41g of Sn powder, slowly add them into the container under stirring, when the amount of Al powder and Sn powder is added to half, start to slowly add 50g of water, and make the Al powder, Sn powder and water together added;

[0056] (3) Take by weighing 1.7g SiO2, add in the container, and stir;

[0057] (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;

[0058] (5) Weigh 3.4 g of hydroxyethyl cellulose (purchased from Hebei Xingtai Cellulose Co., Ltd., YLT-999) into a container, stir evenly, add water to make the vol...

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Abstract

The invention discloses a protective paint. The protective paint is obtained after a raw material mixture is uniformly mixed; the raw material mixture contains an oxidation protectant, a water-soluble film-forming agent and water; the oxidation protectant contains Al powder and Sn powder which are in the weight ratio of 1: (0.01-0.1). The invention also discloses an application of the protective paint in titanium ingot production and a titanium ingot production method. The protective paint disclosed by the invention has the environment-friendly effects of greatly reducing formed dissolved oxygen layers, increasing the yield and production efficiency of titanium materials, generating no influences to the construction environment, ensuring that the surface of a titanium ingot is not oxidized and cracked at the constant high temperature of 1000 DEG C within 8h and the like; the protective paint is simple in preparation process; and various coating ways such as air pressure spraying, vacuum spraying, brush coating and the like can be adopted. The titanium ingot production method disclosed by the invention has favorable economic and social benefits and has relatively wide popularization and application prospects in titanium plate and titanium pipe production industries.

Description

technical field [0001] The invention relates to the field of metal high-temperature-resistant coatings, in particular to a protective coating, the application of the protective coating in the production of titanium ingots, and a production method for 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 dissolved oxygen layers, which results in large losses. Since the titanium ingo...

Claims

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Application Information

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Patent Type & Authority Applications(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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