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A modified pig bone type alcohol-based casting coating and its preparation method

A technology for casting coatings and pig bones, which is applied to casting molding equipment, coatings, casting molds, etc., can solve the problems of weak sand-sticking resistance, poor suspension stability, and poor high-temperature resistance, and achieve good high-temperature resistance strength, high-temperature resistance Strong sand sticking ability and good suspension effect

Active Publication Date: 2016-06-08
南通市华夏时丽网络科技服务有限公司
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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 modified pork bone type alcohol-based casting coating is characterized in that it is made of the following raw materials in parts by weight: high alumina cement 10, polyvinyl butyral 0.3, alkylsulfonate sodium 0.2, zircon Powder 60, white corundum 46, nano-scale clay 1, alkylated diphenylamine 0.1, sodium nitrate 0.2, xanthan gum 1, hydrogen-containing silicone oil 1.2, pork bone 12, phenolic resin 5, hexamethylenetetramine 1, ethanol 40. Auxiliary 3.

[0015] The auxiliary agent is made of the following raw materials in parts by weight: pig bone 26, rectorite 38, metakaolin 85, silica fume 30, silane coupling agent KH-5702, silica sol 0.4, nanometer silicon carbide powder 1, nanometer four Ferric oxide 1.2, angelica powder 0.6, sodium carboxymethyl starch 0.4, carboxymethyl cellulose 4, appropriate amount of water, the preparation method is to put pig bone, rectorite and metakaolin in a calciner at 560-680°C Calcined at low temperature for 2-3 hours, took it out, ...

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PUM

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Abstract

The invention discloses a modified pork bone type alcohol-based casting coating, which is characterized in that it is made of the following raw materials in parts by weight: high alumina cement 10-14, polyvinyl butyral 0.3-0.5, alkylsulfonic acid Sodium 0.2-0.6, zircon powder 45-60, white corundum 40-60, nano-scale clay 1-3, alkylated diphenylamine 0.1-0.3, sodium nitrate 0.2-0.4, xanthan gum 1-2, hydrogen silicone oil 1.2-3.2, pig bone 12-14, phenolic resin 3-5, hexamethylenetetramine 1-3, ethanol 40-50, auxiliary agent 3-7; the present invention adds animal bone pig bone to the raw material after modification Among them, it has a good suspension effect and high temperature resistance strength. At the same time, the coating made by compounding other raw materials has the advantages of good fire resistance, strong anti-sand sticking ability, good brushing performance, and good leveling performance. The casting coatings used by casting manufacturers rely on imports for a long time, which fills the domestic gap and has good adaptability.

Description

technical field [0001] The invention relates to the field of casting coatings, in particular to a modified pork bone type 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,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C3/00
Inventor 方学军
Owner 南通市华夏时丽网络科技服务有限公司
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