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Production method of alcohol-based flow coating paint for cast iron

A production method and technology of alcohol-based flow, which are applied in the directions of coating, casting mold, casting mold composition, etc., can solve the problem of no applicable alcohol-based flow coating coating, etc., and achieve no sag and accumulation phenomenon, good leveling, The effect of less flow marks

Active Publication Date: 2014-02-05
共享新材料(山东)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But so far, there is no alcohol-based flow coating for cast iron

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: A kind of production method of alcohol-based flow-coating paint for cast iron, the weight percent content of its raw material is as follows: mullite 45%, quartz powder 16.75%, flake graphite 3.25%, rosin 0.26%, polyvinyl alcohol shrinkage Butyraldehyde 0.52%, silicate composite suspending agent 0.65%, white carbon black 0.2%, bentonite 0.37%, surfactant 0.20%, combustion enhancer 1.0%, isopropanol 3.5%, defoamer 0.3%, water 2.0 %, ethanol 26%,

[0023] Its production method is as follows:

[0024] a, bentonite pretreatment: under stirring, bentonite and water are mixed with a mass ratio of 1:2.5, completely dispersed evenly, and left to stand for 24 hours to prepare pretreated bentonite slurry;

[0025] b, rosin pretreatment: mix rosin and ethanol with a mass ratio of 1:4, and dissolve it completely under stirring;

[0026] c. Add the dissolved rosin liquid and the pretreated bentonite liquid to the dispersing kettle, then add the remaining ethanol, comb...

Embodiment 2

[0030] Embodiment two: a kind of production method of alcohol-based flow-coating paint for cast iron, the weight percent content of its raw material is as follows: mullite 55%, quartz powder 6%, flake graphite 4%, rosin 0.3%, polyvinyl alcohol shrinkage Butyraldehyde 0.48%, silicate composite suspending agent 0.55%, white carbon black 0.25%, bentonite 0.37%, surfactant 0.25%, combustion enhancer 1.0%, isopropanol 2.5%, defoamer 0.3%, water 1.0 %, ethanol 28%.

[0031] Its production method is as follows:

[0032] a, bentonite pretreatment: under stirring, bentonite and water are mixed with a mass ratio of 1:2.5, completely dispersed evenly, and left to stand for 24 hours to prepare pretreated bentonite slurry;

[0033] b, rosin pretreatment: mix rosin and ethanol with a mass ratio of 1:4, and dissolve it completely under stirring;

[0034] c. Add the dissolved rosin liquid and the pretreated bentonite liquid to the dispersing kettle, then add the remaining ethanol, combustio...

Embodiment 3

[0038] Embodiment three: a kind of production method of alcohol-based flow coating for cast iron, the weight percent content of its raw material is as follows: mullite 14%, quartz powder 30%, flake graphite 8%, rosin 0.5%, polyvinyl alcohol shrinkage Butyraldehyde 0.2%, silicate composite suspending agent 1.5%, white carbon black 0.25%, bentonite 0.8%, surfactant 0.25%, combustion enhancer 1.3%, isopropanol 5%, defoamer 0.2%, water 3.0 %, ethanol 35%.

[0039] Its production method is as follows:

[0040] a, bentonite pretreatment: under stirring, bentonite and water are mixed with a mass ratio of 1:2.5, completely dispersed evenly, and left to stand for 24 hours to prepare pretreated bentonite slurry;

[0041] b, rosin pretreatment: mix rosin and ethanol with a mass ratio of 1:4, and dissolve it completely under stirring;

[0042]c. Add the dissolved rosin liquid and the pretreated bentonite liquid to the dispersing kettle, then add the remaining ethanol, combustion enhance...

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Abstract

The invention relates to a production method of paint and in particular relates to a production method of an alcohol-based flow coating paint for cast iron. The production method of the alcohol-based flow coating paint for the cast iron comprises the following steps: adding a dissolved rosin liquid and a pretreated bentonite liquid into a dispersing kettle, then sequentially adding ethanol, a combustion-supporting agent, isopropyl alcohol and a thickening agent in residual content, carrying out electric stirring, sequentially adding polyvinyl butyral, a silicate composite suspending agent, a defoaming agent and a surface active agent into the dispersing kettle, regulating the stirring rate to be 500r / min after charging is finished, sequentially adding flake graphite and mullite into the dispersing kettle, regulating the stirring rate after charging is finished, dispersing, sequentially adding quartz powder and white corundum into the dispersing kettle, regulating the stirring rate to be 1200r / min after charging is finished, dispersing for 20 minutes, and discharging. The production method of the alcohol-based flow coating paint for the cast iron is unique, and the produced alcohol-based flow coating paint for the cast iron has the advantages of superior liquidity, good levelling property, high suspension stability, heat shock crack resistance, high temperature stability, sand burning resistance and low gas-forming property.

Description

technical field [0001] The invention relates to a production method of paint, in particular to a production method of alcohol-based flow coating for cast iron. Background technique [0002] With the continuous development of the market economy, users have higher and higher requirements for the dimensional accuracy and appearance quality of castings. However, due to the low quality of the coating, the surface of the castings has obvious brush marks and the edges and corners of the shape are not clear, so the surface roughness of some castings does not meet the requirements, and there are surface defects, which affect the advantages of the product in the market competition. By improving the coating quality and adopting the flow coating process, the surface quality of the casting has been greatly improved. [0003] The flow coating process was seen in the United States, Western Europe and other countries in the 1980s. It is a rapid application process for paint. The flow coat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C3/00
Inventor 李天才韩文陈学更朱劲松
Owner 共享新材料(山东)有限公司
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