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High-temperature-resistant environment-friendly metal casting coating and preparation method thereof

A technology of metal casting and high temperature resistance, which is used in casting molding equipment, metal processing equipment, coatings, etc., can solve the problems of poor high temperature resistance and adhesion performance, unable to meet industrial production, and low metal erosion resistance, and achieve adhesion. High performance, good air permeability and low cost

Inactive Publication Date: 2016-06-08
TONGLING ANDONG CAST STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing metal mold casting coatings have poor high temperature resistance and adhesion performance, are easy to delaminate during long-distance transportation and storage, have low hardness, poor chemical stability, low metal erosion resistance, and weak sand sticking resistance, etc., making casting The function of the coating is single, and the production is not environmentally friendly at the same time, which cannot meet the large-scale industrial production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1 A kind of high temperature resistant environment-friendly metal casting coating and its preparation method, it is made up of the following raw materials in parts by weight: 3 parts of attapulgite clay, 12 parts of quartz powder, 5 parts of talcum powder, 4 parts of ultrafine glass powder, 1.5-4 parts of water glass, 3 parts of bauxite, 3 parts of diatomaceous earth, 2 parts of bentonite, 6 parts of polyethylene glycol, 3 parts of organosiloxane, 5 parts of silicone resin, 6 parts of linseed oil water-soluble alkyd resin 1 part, 4 parts of triphenyl tin hydroxide, 2 parts of lignosulfonic acid, 1 part of oxidizing agent, 1 part of wetting agent, 2 parts of defoamer, 4 parts of preservative, 2 parts of binder, 5 parts of curing agent and 75 parts of deionized water.

[0016] A high-temperature-resistant environment-friendly metal casting coating and a preparation method thereof, comprising the following steps:

[0017] (1) Roll attapulgite clay, quartz powde...

Embodiment 2

[0023] Embodiment 2 A high-temperature-resistant environment-friendly metal casting coating and a preparation method thereof, which are composed of the following raw materials in parts by weight: 5 parts of attapulgite clay, 15 parts of quartz powder, 12 parts of talcum powder, 10 parts of ultrafine glass powder, 4 parts of water glass, 5 parts of bauxite, 8 parts of diatomite, 4 parts of bentonite, 10 parts of polyethylene glycol, 9 parts of organosiloxane, 9 parts of silicone resin, 12 parts of linseed oil water-soluble alkyd resin, 6 parts of triphenyltin hydroxide, 6 parts of lignosulfonic acid, 3 parts of oxidizing agent, 2 parts of wetting agent, 5 parts of defoamer, 9 parts of preservative, 6 parts of binder, 8 parts of curing agent and deionization 90 parts of water.

[0024] A high-temperature-resistant environment-friendly metal casting coating and a preparation method thereof, comprising the following steps:

[0025] (1) Roll attapulgite clay, quartz powder, talc p...

Embodiment 3

[0031] Embodiment 3 A high-temperature-resistant environmental protection metal casting coating and its preparation method, which is composed of the following raw materials in parts by weight: 4 parts of attapulgite clay, 13 parts of quartz powder, 9 parts of talcum powder, 6 parts of ultrafine glass powder, 3 parts of water glass, 4 parts of bauxite, 5 parts of diatomaceous earth, 3 parts of bentonite, 7 parts of polyethylene glycol, 8 parts of organosiloxane, 8 parts of silicone resin, 10 parts of linseed oil water-soluble alkyd resin, 5 parts of triphenyl tin hydroxide, 4 parts of lignosulfonic acid, 2 parts of oxidizing agent, 1 part of wetting agent, 4 parts of defoamer, 6 parts of preservative, 5 parts of binder, 7 parts of curing agent and deionization 80 parts of water.

[0032] A high-temperature-resistant environment-friendly metal casting coating and a preparation method thereof, comprising the following steps:

[0033] (1) Roll attapulgite clay, quartz powder, tal...

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PUM

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Abstract

The invention discloses high-temperature-resistant environment-friendly metal casting coating and a preparation method thereof. The coating comprises, by weight, 3-5 parts of attapulgite clay, 12-15 parts of quartz powder, 5-12 parts of talcum powder, 4-10 parts of superfine glass powder, 1.5-4 parts of sodium silicate, 3-5 parts of bauxite, 3-8 parts of diatomaceous earth, 2-4 parts of bentonite, 6-10 parts of polyethylene glycol, 3-9 parts of organic siloxane, 5-9 parts of silicon resin, 6-12 parts of linseed oil water-soluble alkyd resin, 4-6 parts of triphenyltin hydroxide, 2-6 parts of lignosulfonic acid, 1-3 parts of oxidizing agents, 1-2 parts of wetting agents, 2-5 parts of defoaming agents, 4-9 parts of preservatives, 2-6 parts of bonding agents, 5-8 parts of curing agents and 75-90 parts of deionized water. Compared with the prior art, the casting coating prepared through the method has excellent high temperature resistance, crack resistance and scouring resistance, and is good in adhesiveness and air permeability; meanwhile, the produced coating is uniform, environmentally friendly, free of pollution, good in stability and adsorbability, and capable of meeting the requirements for mass production of large castings, and improves the surface quality of the castings.

Description

technical field [0001] The invention relates to the technical field of casting coatings, in particular to a high-temperature resistant and environment-friendly metal 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. It has been widely used in the production of steel, iron, and non-ferrous castings to prevent defects such as cracking, trachoma, and wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C3/00
CPCB22C3/00
Inventor 梅百荣
Owner TONGLING ANDONG CAST STEEL
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