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A kind of zircon powder alcohol-based casting coating and preparation method thereof

A casting coating and zircon powder technology, which is applied to casting molding equipment, coatings, casting molds, etc., can solve the problems of poor suspension stability, low hardness, and single function of alcohol-based casting coatings, and achieve good suspension and high strength , good adhesion and coating effect

Inactive Publication Date: 2016-08-17
漳州市安泰锆业发展有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, alcohol-based casting coatings in the prior art have many defects, such as poor suspension stability, easy delamination during long-distance transportation and storage, poor high temperature resistance, low hardness, poor chemical stability, and low metal erosion resistance. , weak sand resistance, etc., make alcohol-based casting coatings have a single function and cannot meet large-scale industrial production

Method used

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Embodiment Construction

[0014] The zircon powder alcohol-based casting coating is characterized in that it is made of the following raw materials in parts by weight: zircon powder 75, polystyrene 3, silicon micropowder 2, molybdenum disulfide 0.4, lauryl sulfuric acid Sodium 0.2, opal 25, sodium bentonite 1, diatomite 25, reed stalk 15, aluminum sulfate 0.2, polyvinyl alcohol carboxybutyraldehyde 9, ethanol 50, additive 3.

[0015] The auxiliary agent is made of the following raw materials in parts by weight: construction waste 26, attapulgite clay 6, kaolin 79, silane coupling agent KH-570 1.5, nano silicon carbide 0.5, iron oxide powder 2, carboxymethyl cellulose 3 , nano-zinc dioxide 0.6, glass microspheres 2, wollastonite 9, polyvinyl acetate emulsion 2.5, appropriate amount of water, the preparation method is to put construction waste, attapulgite clay, and kaolin into a calciner at 550-680°C Calcined for 2-3 hours, take it out, soak it in 8-12% hydrochloric acid solution for 4-5 hours, filter i...

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Abstract

The invention discloses a zircon powder alcohol-based casting coating, which is characterized in that it is made of the following raw materials in parts by weight: zircon powder 75‑95, polystyrene 3‑4, silicon micropowder 2‑5, molybdenum disulfide 0.4‑0.8, sodium lauryl sulfate 0.2‑0.4, opal 25‑35, sodium bentonite 1‑2, diatomaceous earth 18‑25, reed stalk 15‑18, aluminum sulfate 0.2‑0.5, polyvinyl alcohol carboxybutyl Aldehyde 6‑9, ethanol 50‑60, additives 3‑7; the coating prepared by adding zircon powder, straw ash and other components in the present invention has high strength, good adhesion and coating effect, and good suspension and other advantages; adding appropriate additives can effectively prevent the generation of carbon on the surface of the casting, making the surface of the cast casting smooth, without cold shut, non-sticky sand, and the carbon increase on the surface can be controlled within the specified range.

Description

technical field [0001] The invention relates to the field of casting coatings, in particular to a zircon powder alcohol-based casting coating and a preparation method thereof. Background technique [0002] Foundry coatings refer to casting auxiliary materials that are used to coat the surface of the cavity or sand core to change their surface refractoriness, chemical stability, metal erosion resistance, sand sticking resistance, etc. It is composed of various properties. It is a dispersion system composed of high-quality materials, and its composition mainly includes refractory materials, suspending agents, carriers, binders and special additives. When acting on castings, it is required that the coating has good process performance, work performance, quality stability and application reproducibility. Prevent defects such as cracking, trachoma, and white iron formation caused by excessive local cooling of casting products. There are many kinds of casting coatings, which can...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C3/00
Inventor 黄浩
Owner 漳州市安泰锆业发展有限公司
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