Anhydrous water-base forsterite powder paint

A technology of forsterite powder and forsterite, which is applied in coating, casting molding equipment, casting molds, etc., can solve the problems of human skin and respiratory hazards, difficult technical processing of materials, poor use effect, etc., and achieves an increased ratio. Surface area, reduce fermentation phenomenon, good effect

Inactive Publication Date: 2006-03-22
高申明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to prevent the fermentation phenomenon caused by long-term storage of paint, it is necessary to add highly toxic preservatives, which will cause great harm to human skin and respiratory tract; second, each foundry purchases raw materials and mixes them with water before using them. It brings troubles for foundries to purchase raw materials, and each foundry has its own limitations. In addition, these materials are difficult to process technically, and the use effect is not good.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: 89Kg forsterite powder, 3.5Kg white latex, 3Kg lithium bentonite, 2Kg dextrin, 0.15Kg sodium carboxymethyl cellulose are mixed and ground for 1 to 1.5 hours, until the particle size is greater than 200-270 mesh material content 95% of the time I get this product.

Embodiment 2

[0015] Embodiment 2: 91Kg forsterite powder, 5.5Kg white latex, 3.5Kg lithium-based bentonite, 2.5Kg dextrin, 2.5Kg sodium carboxymethyl cellulose are mixed and ground for 1 to 1.5 hours, until the particle size is 200-270 mesh materials This product is obtained when the content is greater than 95%.

Embodiment 3

[0016] Embodiment three: 90Kg forsterite powder, 4Kg white latex, 3.2Kg lithium bentonite, 2.3Kg dextrin, 1.2Kg sodium carboxymethyl cellulose are mixed and ground for 1 to 1.5 hours, until the particle size is 200-270 mesh material content This product is obtained when it is greater than 95%.

[0017] When using the anhydrous water-based forsterite powder coating, add tap water with 50-80% of the total weight of the coating, and stir 20% into a water-based coating paste for later use. The concentration of water-based paint can be adjusted by adding water, and stirred for 5-10 minutes before use or stand-by.

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PUM

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Abstract

The anhydrous water-base forsterite powder paint has the main components of forsterite powder, white latex, suspending agent, dextrin, and sodium carboxymethyl cellulose. Through adding forsterite powder and other matter, mixing and grinding, the powder paint is made to í‹matureíŒ, homogenize, disperse, swell, increase in specific surface and become favorable to form film. The present invention can raise the suspension performance and stability of paint, reduce fermentation, and make the casting produced with the paint no chemical sand adhesion and easy to clean. The present invention is especially suitable for use in producing casting of high manganese steel, stainless steel and other high alloy steel to result in excellent use effect.

Description

technical field [0001] The invention relates to a powder coating, in particular to an anhydrous water-based forsterite powder coating and a preparation method thereof. Background technique [0002] The water-based coating for lost foam casting is one of the essential key materials in the lost foam casting process. There are two main sources of coatings for foundries: one is the finished paste water-based coating. Paste coating not only increases packaging cost, but also brings inconvenience to transportation. In particular, any slurry or paste water-based paint contains a certain amount of organic particles. Organic matter soaked in water for a long time will more or less produce tiny bubbles due to fermentation. The bubbles remain in the suspended slurry and directly affect the coating. use effect. In order to prevent the fermentation phenomenon caused by long-term storage of paint, it is necessary to add highly toxic preservatives, which will cause great harm to human sk...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C3/00
Inventor 高申明邹仕魁刘玉满陈显德
Owner 高申明
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