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Magnesium olivine modified powder coating and preparation method thereof

A technology for forsterite powder and powder coating, applied in powder coatings, coatings and other directions, can solve problems such as narrow application area, and achieve the effects of good permeability, simple process and good solid-phase self-sintering properties

Active Publication Date: 2012-09-05
湖北镁兴科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Forsterite coating is weakly alkaline at high temperature. Although it has high refractoriness, no phase change, sudden heat resistance, and good crack resistance, it is only suitable for the production of alkaline high-alloy steel castings, and its application range is narrow.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Get forsterite powder 8kg, mullite powder 30kg, zircon powder 14kg, quartz powder 30kg, lithium-based bentonite powder 3kg, dextrin powder 1.5kg, white latex powder 1kg, carboxymethylcellulose sodium powder 2.5kg, mix and grind 2 hours, the specific surface area of ​​the mixture is increased, the particle size of the mixture is greater than or equal to 200 mesh, and the forsterite modified powder coating is obtained.

Embodiment 2

[0017] Take forsterite powder 2kg, mullite powder 10kg, zircon powder 10kg, quartz powder 15kg, lithium-based bentonite powder 3kg, dextrin powder 1.5kg, white latex powder 1kg, carboxymethylcellulose sodium powder 2kg, mix and grind for 2 hours , the specific surface area of ​​the mixture is increased, the particle size of the mixture is greater than or equal to 200 mesh, and the forsterite modified powder coating is obtained.

Embodiment 3

[0019] Get forsterite powder 16kg, mullite powder 32kg, zircon powder 26kg, quartz powder 30kg, lithium-based bentonite powder 5kg, dextrin powder 3.5kg, white latex powder 3kg, carboxymethylcellulose sodium powder 4kg, mix and grind for 3 hours , the specific surface area of ​​the mixture is increased, the particle size of the mixture is greater than or equal to 200 mesh, and the forsterite modified powder coating is obtained.

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PUM

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Abstract

The invention relates to a magnesium olivine modified powder coating and a preparation method thereof. The magnesium olivine modified powder coating is prepared from the following raw materials in parts by weight: 2-16 parts of magnesium olivine powder, 10-32 parts of mullite powder, 10-26 parts of zircon powder, 15-30 parts of quartz powder, 3-5 parts of lithium-base bentonite powder, 1.5-3.5 parts of dextrin powder, 1-3 parts of white latex powder and 2-4 parts of carboxy methylcellulose powder; and the preparation method comprises the following steps of: evenly mixing the raw materials in proportion, and grinding for 2-3 hours, thus obtaining the magnesium olivine modified powder coating. As magnesium olivine is modified, the magnesium olivine modified powder coating is neutral at high temperature, thus being applicable to producing alkaline high-alloy steel, acidic low-alloy steel and iron castings; furthermore, the magnesium olivine modified powder coating can well prevent molten steel and molten iron from permeating since the solid phase self-sintering property of the magnesium olivine is well maintained; and when the castings are cleaned, the coating can be stripped off in pieces or blocks, so that the surface quality level of the castings can be improved.

Description

technical field [0001] The invention relates to a powder coating, in particular to a water-based powder coating composed of alkaline forsterite, mullite powder, zircon powder and other neutral materials and additives. Background technique [0002] Forsterite coating is weakly alkaline at high temperature. Although it has high refractoriness, no phase change, good resistance to sudden heat and cracking, it is only suitable for the production of alkaline high-alloy steel castings, and its application range is narrow. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a forsterite-modified powder coating and its preparation method, which is not only suitable for the production of alkaline high-alloy steel and iron castings, but also suitable for acidic and neutral low-alloy steel and iron castings Production. [0004] In order to solve the above-mentioned technical problems, the technical solution adopted in the prese...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D5/03C09D7/12
Inventor 高申明韩晶
Owner 湖北镁兴科技股份有限公司
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