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

A technology for resisting high temperature oxidation and protecting coatings, which is applied in epoxy resin coatings, polyester coatings, polyurea/polyurethane coatings, etc. efficiency, reducing production costs

Active Publication Date: 2016-05-18
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 high-temperature protective coating is not ideal for the protection of titanium ingots, to provide a new oil-based high-temperature oxidation-resistant protective coating and its application and production method for titanium ingots

Method used

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

Examples

Experimental program
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Effect test

Embodiment 1

[0046] This embodiment is used to illustrate the production method of the oily high-temperature oxidation-resistant protective coating and titanium ingot of the present invention.

[0047] (1) At normal temperature and pressure (25°C, 0.1MPa), weigh 100g of oily epoxy resin (solid content 50% by weight) and place it in a container;

[0048] (2) Add 5g of polypropylene glycol diglycidyl ether (purchased from Changzhou Mingtai Chemical Technology Co., Ltd., model: 207), and stir evenly;

[0049] (3) Weigh 800g of Al powder, 30g of Sn powder, 20g of Cu powder and 25g of Fe powder, and slowly add them into the container under stirring;

[0050] (4) Weigh 1gSiO2 2 , add to the container, and stir evenly;

[0051] (5) Weigh 0.5 g of polyvinyl alcohol (purchased from Qingdao Anmao International Trade Co., Ltd., Z-200) into a container, stir until the liquid is in a uniform and stable phase, and obtain an oily high-temperature oxidation-resistant protective coating A1.

[0052] The...

Embodiment 2

[0055] This embodiment is used to illustrate the production method of the oily high-temperature oxidation-resistant protective coating and titanium ingot of the present invention.

[0056] (1) At normal temperature and pressure (25°C, 0.1MPa), weigh 54g of oily epoxy resin (solid content 40% by weight) and place it in a container;

[0057] (2) Add 2.6g propylene oxide butyl ether (purchased from Changzhou Mingtai Chemical Technology Co., Ltd., model: 501), and stir evenly;

[0058] (3) Weigh 800g of Al powder, 16g of Sn powder, 16g of Cu powder and 16g of Fe powder, and slowly add them into the container under stirring;

[0059] (4) Weigh 1.7gSiO2 2 , add to the container, and stir evenly;

[0060] (5) Weigh 0.68g of polyvinylpyrrolidone (purchased from Guangzhou Batai Chemical Co., Ltd., PVPK90) into a container, stir until the liquid is in a uniform and stable phase, and obtain an oily high-temperature oxidation-resistant protective coating A2.

[0061] The measured solid...

Embodiment 3

[0064] This embodiment is used to illustrate the production method of the oily high-temperature oxidation-resistant protective coating and titanium ingot of the present invention.

[0065] (1) At normal temperature and pressure (25°C, 0.1MPa), weigh 141g of oily epoxy resin (solid content 60% by weight) and place it in a container;

[0066] (2) Add 6.8g of ethylene glycol diglycidyl ether (purchased from Changzhou Mingtai Chemical Technology Co., Ltd., model: 669), and stir evenly;

[0067] (3) Weigh 767g of Al powder, 30g of Sn powder, 30g of Cu powder and 23g of Fe powder, and slowly add them into the container under stirring;

[0068] (4) Weigh 2.55gSiO2 2 , add to the container, and stir evenly;

[0069] (5) Weigh 0.85g polyethylene oxide (purchased from Gongbike New Material Technology (Shanghai) Co., Ltd., PEO-5) into the container, stir, and wait until the liquid is in a uniform and stable phase to obtain oily high temperature oxidation resistant protective coating A3...

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Abstract

The invention discloses an oily high-temperature-resistant oxidation protection coating. The oily high-temperature-resistant oxidation protection coating is prepared by uniformly mixing a raw material mixture, wherein the raw material mixture contains an oxidation protection agent and an oily film former; and the oxidation protection agent contains Al powder, Sn powder, Cu powder and Fe powder, and the weight ratio of the Al powder, the Sn powder, the Cu powder and the Fe powder is 1:(0. 01-0.1):(0.01-0.1):(0.01-0.1). The invention also discloses application of the oily high-temperature-resistant oxidation protection coating in producing titanium ingots and a production method of titanium ingots. The oily high-temperature-resistant oxidation protection coating disclosed by the invention can ensure that the surfaces of the titanium ingots are not oxidized and cracked after being kept for 8 hours at a consistent high temperature of 1000 DEG C, so that the formation of a dissolved oxygen layer can be greatly reduced; the coating has an effect of environmental friendliness; the coating is simple in preparation process; and the coating can be coated in various coating forms. The production method of titanium ingots disclosed by the invention has relatively board application prospect in the production of titanium plates and titanium tubes.

Description

technical field [0001] The invention relates to the field of metal high-temperature-resistant coatings, in particular to an oily high-temperature oxidation-resistant protective coating, the application of the oily high-temperature oxidation-resistant 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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/38C09D163/00C09D175/04C09D133/00C09D167/08C21D1/68
Inventor 许哲峰王莹彭琳肖聪李军
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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