CN1847336A - Light-colored alcohol-base paint - Google Patents

Light-colored alcohol-base paint Download PDF

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Publication number
CN1847336A
CN1847336A CN 200610046251 CN200610046251A CN1847336A CN 1847336 A CN1847336 A CN 1847336A CN 200610046251 CN200610046251 CN 200610046251 CN 200610046251 A CN200610046251 A CN 200610046251A CN 1847336 A CN1847336 A CN 1847336A
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CN
China
Prior art keywords
powder
base paint
light
mixed
solvent
Prior art date
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CN 200610046251
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Chinese (zh)
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CN100493767C (en
Inventor
张健
蔡永学
周静一
黄蓄芳
张�林
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JIN'AN CASTING MATERIALS FACTORY SHENYANG
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JIN'AN CASTING MATERIALS FACTORY SHENYANG
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Priority to CNB2006100462519A priority Critical patent/CN100493767C/en
Publication of CN1847336A publication Critical patent/CN1847336A/en
Application granted granted Critical
Publication of CN100493767C publication Critical patent/CN100493767C/en
Expired - Fee Related legal-status Critical Current
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Abstract

The light color alcohol-base paint is compounded with zirconite powder 15-25 wt%, brown alumina powder 20-35 wt%, mullite powder 5-15 wt%, flaky graphite powder10-25 wt%, forsterite powder 5-10 wt%, binder 2-4 wt%, suspending agent 15-25 wt%, assistant 0.01- 0.2 wt% and solvent 15-30 wt%. The light color alcohol-base paint has less pollution, low cost, capacity of preventing crack in sand model and capacity of avoiding molten iron permeation and sand fusion to raise casting quality.

Description

Light-colored alcohol-base paint
(1) technical field
The present invention relates to a kind of coating, specifically relate to a kind of low pollution, low cost, light-colored alcohol-base paint.
(2) background technology
Paintcast is made up of refractory aggregate, binding agent, suspension agent, auxiliary agent and solvent etc., and wherein refractory aggregate is the main part of coating, and its physics and chemical property have determined the anti-stick sand effect of coating.It select the kind that depends on casting metal and molding material for use, for ironcasting, before the 1950's, people have just adopted Graphite Powder 99 to make aggregate, for the surperficial scab that prevents ironcasting, improve its surface quality and have played vital role.Graphite is a kind of carbon materials, and natural graphite has two kinds of forms: amorphous amorphous graphite powder and crystallization shape crystalline flake graphite.The low price of amorphous graphite powder, but its refractoriness is lower, and easy firing, in the time of 500 ℃, just begin oxidation, gas forming amount is very big, and bad to the anti-scab effect of large-sized iron casting, particularly its look black, when coating preparation and coating, the severe contamination operating environment worsens workman's labor condition.In recent years, China develops the sintered type paintcast again, as described in Chinese patent CN 86100032A, in system component, add a small amount of low melting point flux, as zinc oxide, silicon carbide, potassium felspar sand or mica etc., in casting process, these low melting point flux be enclosed in refractory aggregate around, they are bound up, make the coating sintering, the filling coating porosity plays the effect that hinders the molten iron infiltration, but for large-scale, heavy-walled ironcasting, anti-stick sand effect is also undesirable.U.S. Pat 3,770,465 also point out, in zirconium English powder base coating, add some oxide compounds, under the heat effect of casting of molten metal, be sintered and form the successive fire-resistant coating, can prevent the infiltration of molten metal, but this dope layer is difficult for peeling off automatically to ironcasting, and increased the cleaning work amount of the inner chamber or the nook of ironcasting.A large amount of facts prove absolutely, because constituent contents such as C, Si, Mn are higher in cast iron, and deoxidation voluntarily at high temperature, cause that oxidizing atmosphere weakens on the interface of sand mold and molten metal, cause the oxidation rate of molten iron very slow, only have a little amount of FeO to form, and SiO in the silicate 2The content height, its solidified structure belongs to crystalline structure basically, can with the cast(ing) surface mortise together, cause the formation of the viscosity sand layer that is difficult to remove from Iron Casting Surface.Explanation thus if large-sized iron casting adopts the paintcast that does not contain carbonaceous material, is difficult to eliminate its scab defective.But, the simple amorphous graphite powder of using also is the effect that can not play antiseized sand, because at high temperature a large amount of scaling loss of amorphous graphite powder and can produce many absorption expansible space in dope layer cause the appearance than big-difference and be full of cracks of swell value between coating and the sand mold.
(3) summary of the invention
The objective of the invention is the problem that exists at prior art, a kind of low pollution, low cost, coatingsurface does not chap, refractoriness is high alcohol-base paint are provided.
The technical scheme that adopts is:
Light-colored alcohol-base paint, be to be that 200-300 order zirconium English powder, brown alundum powder, mullite powder, crystalline graphite powder, forsterite powder and binding agent, suspension agent, solvent are mixed with by granularity, its ratio of components by weight percentage: zirconium English powder 15-25%, brown alundum powder 20-35%, mullite powder 5-15%, crystalline graphite powder 10-25%, forsterite powder 5-10%, organic binder bond 2-4%, suspension agent 15-25%, auxiliary agent 0.01-0.2%, solvent 15-30%.
Above-mentioned solvent is selected 90-99% alcohol for use, comprises that concentration is 95% ethanol, 99% methyl alcohol.
Above-mentioned suspension agent mainly is to be mixed with by lithium bentonite and excellent soil, and its ratio of components is 7: 3-3: 7.
Above-mentioned binding agent is selected resol for use.
In the above-mentioned coating each component, form the composite fire aggregate by zirconium English powder, brown corundum, mullite, forsterite and crystalline flake graphite material mixing.
The preparation method of light-colored alcohol-base paint; be that suspension agent 15-25%, solvent 15-30% are under agitation mixed; add organic binder bond 2-4%; the dissolving back adds zirconium English powder 15-25%, brown alundum powder 20-35%, mullite powder 5-15%, crystalline graphite powder 10-25%, forsterite powder 5-10%; add auxiliary agent 0.01-0.2% at last, continue to stir 30 minutes, shut down; sampling, the technical indicator of detection coating.Above-mentioned per-cent is weight percentage.
The batching principle of light-colored alcohol-base paint:
In order to solve owing to the problem that be full of cracks causes the generation of foundry goods vein class casting flaw appears in the dope layer surface, substantially be similar to according to the thermal expansion amount between coating and the sand mold and can avoid dope layer rimose principle, on the one hand, must add the big refractory materials of thermal expansion amount in the coating, as materials such as corundum, talcum powder, mullite, forsterites; Aspect in addition, few with or need not amorphous amorphous graphite powder, in order to bring into play the anti-stick sand effect of carbonaceous material, can adopt crystallization shape crystalline flake graphite to replace the amorphous graphite powder.Because crystallization shape crystalline flake graphite is white carbon ash again, look shallow pollution is little, refractoriness height (can reach more than 2000 ℃), nonflammable in atmosphere, at high temperature also be difficult for oxidation, not wetting again by molten iron institute, good anti-stick grittiness is arranged, and particularly its thermal expansion amount is big, when contacting with molten metal, these flaky graphite are as the tile on the roof, overlap joint is arranged mutually, and coating can not ftracture thereby the permission sand mold expands, and can effectively prevent the infiltration of molten iron and the formation of scab.
Light-colored alcohol-base paint of the present invention, pollute little, cost is low, anti-stick sand ability is strong, can effectively prevent sand mold cracking during use, can prevent effectively that the infiltration of molten iron and scab from forming, and effectively improves surface quality of continuous castings.
(4) embodiment
Embodiment one
Light-colored alcohol-base paint is to be to be mixed with by zirconium English powder 16%, brown alundum powder 22%, mullite powder 10%, crystalline graphite powder 12%, forsterite powder 6%, organic binder bond 2.68%, suspension agent 15.2%, auxiliary agent 0.1%, solvent 15.8% by weight percentage.Above-mentioned organic binder bond is a resol.Above-mentioned suspension agent is mixed with by 7: 3 by lithium bentonite and rod soil.Auxiliary agent is PVB.Solvent is that concentration is 95% ethanol.
Embodiment two
Light-colored alcohol-base paint is to be that 95% ethanol 17.1% is mixed with by zirconium English powder 17%, brown alundum powder 21%, mullite powder 5%, crystalline graphite powder 14%, forsterite powder 6.5%, resol 3%, suspension agent 16%, auxiliary agent PVB 0.15%, solvent strength.Above-mentioned suspension agent is to be mixed with by lithium bentonite and excellent soil, and its ratio of components is 7: 5.
Embodiment three
Light-colored alcohol-base paint is to be that 99% ethanol 18% is mixed with by zirconium English powder 17.57%, brown alundum powder 21%, mullite powder 7%, crystalline graphite powder 11%, forsterite powder 7%, phenolic resin adhesive 2.1%, suspension agent 16%, auxiliary agent PVB0.12%, solvent strength.Above-mentioned suspension agent is to be mixed with by lithium bentonite and excellent soil, and its ratio of components is 3: 7.

Claims (6)

1, light-colored alcohol-base paint is characterized in that zirconium English powder 15-25%, brown alundum powder 20-35%, mullite powder 5-15%, crystalline graphite powder 10-25%, forsterite powder 5-10%, organic binder bond 2-4%, suspension agent 15-25%, PVB auxiliary agent 0.01-0.2%, solvent 15-30% by weight percentage.
2, light-colored alcohol-base paint according to claim 1, it is characterized in that described suspension agent mainly is native by 7 by wilkinite and rod: 3-3: 7 are mixed with.
3, light-colored alcohol-base paint according to claim 1 is characterized in that described binding agent is a resol; Above-mentioned auxiliary agent is PVB; Above-mentioned solvent is that concentration is 95% ethanol, 99% methyl alcohol.
4, light-colored alcohol-base paint according to claim 1 is characterized in that being mixed with by zirconium English powder 16%, brown alundum powder 22%, mullite powder 10%, crystalline graphite powder 12%, forsterite powder 6%, organic binder bond 2.68%, suspension agent 15.2%, auxiliary agent 0.1%, solvent 15.8%.Above-mentioned organic binder bond is a resol; Above-mentioned suspension agent is mixed with by 7: 3 by lithium bentonite and rod soil; Auxiliary agent is PVB; Solvent is that concentration is 95% ethanol.
5, light-colored alcohol-base paint according to claim 1 is characterized in that by zirconium English powder 17%, brown alundum powder 21%, mullite powder 5%, crystalline graphite powder 14%, forsterite powder 6.5%, resol 3%, suspension agent 16%, auxiliary agent PVB 0.15%, solvent strength being that 95% ethanol 17.1% is mixed with; Above-mentioned suspension agent is to be mixed with by lithium bentonite and excellent soil, and its ratio of components is 7: 5.
6, light-colored alcohol-base paint according to claim 1 is characterized in that by zirconium English powder 17.57%, brown alundum powder 21%, mullite powder 7%, crystalline graphite powder 11%, forsterite powder 7, suspension agent 16%, auxiliary agent PVB 0.12%, solvent strength being that 99% ethanol 18% is mixed with; Above-mentioned suspension agent is to be mixed with by lithium bentonite and excellent soil, and its ratio of components is 3: 7.
CNB2006100462519A 2006-04-07 2006-04-07 Light-colored alcohol-base paint Expired - Fee Related CN100493767C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100462519A CN100493767C (en) 2006-04-07 2006-04-07 Light-colored alcohol-base paint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100462519A CN100493767C (en) 2006-04-07 2006-04-07 Light-colored alcohol-base paint

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CN1847336A true CN1847336A (en) 2006-10-18
CN100493767C CN100493767C (en) 2009-06-03

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101817058A (en) * 2010-03-30 2010-09-01 深圳市景鼎现代科技有限公司 Shield type coating composition and preparation process of coating thereof
CN102310158A (en) * 2010-07-05 2012-01-11 南通浩鑫液压铸业有限公司 Zircon powder coating and manufacturing method thereof
CN102371334A (en) * 2011-10-11 2012-03-14 许立新 Preparation method of cast alcohol-based paint suspending agent
CN101554641B (en) * 2008-04-11 2013-03-20 上海市机械制造工艺研究所有限公司 Zircon powder alcohol group dope
CN102989998A (en) * 2012-12-25 2013-03-27 常州大学 Chilling alcoholic-group coating absorbing heat by using melting, sublimation and vaporization of substances
CN103215490A (en) * 2013-05-17 2013-07-24 莱州新忠耀机械有限公司 Preparation method of thin-wall A-type graphite casting piece A
CN103264140A (en) * 2013-03-05 2013-08-28 南通华东油压科技有限公司 Dedicated core coating for manufacturing walking machinery motor cover, manufacturing method and use method thereof
CN103302236A (en) * 2013-06-20 2013-09-18 湖北工业大学 Alcohol-based non-zirconium composite refractory aggregate spray paint for wet cast steel and preparation method thereof
CN103878299A (en) * 2014-03-03 2014-06-25 珠海市斗门福联造型材料实业有限公司 Sintered strippable light-colored casting coating and preparation method thereof
CN104150968A (en) * 2014-08-11 2014-11-19 傅欢欢 Ceramic craft product preparation method
CN104550680A (en) * 2015-01-01 2015-04-29 三峡大学 Alcoholic-group coating
CN104550679A (en) * 2014-12-29 2015-04-29 三峡大学 Environment-friendly alcohol-based coating for sand mold casting
CN106734875A (en) * 2016-12-26 2017-05-31 中国地质大学(武汉) A kind of light casting alcohol-based coating and preparation method thereof
CN109396326A (en) * 2018-11-20 2019-03-01 吴江市格瑞福金属制品有限公司 A kind of cast paint and its preparation and application for processing cast iron stove
CN110125322A (en) * 2019-06-17 2019-08-16 大连安龙鑫机械有限公司 A kind of anti-vein additive for casting
CN110586853A (en) * 2019-09-25 2019-12-20 浙江鸿峰重工机械有限公司 Special coating for casting

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101554641B (en) * 2008-04-11 2013-03-20 上海市机械制造工艺研究所有限公司 Zircon powder alcohol group dope
CN101817058A (en) * 2010-03-30 2010-09-01 深圳市景鼎现代科技有限公司 Shield type coating composition and preparation process of coating thereof
CN102310158A (en) * 2010-07-05 2012-01-11 南通浩鑫液压铸业有限公司 Zircon powder coating and manufacturing method thereof
CN102310158B (en) * 2010-07-05 2012-11-14 南通浩鑫液压铸业有限公司 Zircon powder coating and manufacturing method thereof
CN102371334B (en) * 2011-10-11 2016-01-20 华文蔚 A kind of preparation method of casting alcohol-based coating suspending agent
CN102371334A (en) * 2011-10-11 2012-03-14 许立新 Preparation method of cast alcohol-based paint suspending agent
CN102989998A (en) * 2012-12-25 2013-03-27 常州大学 Chilling alcoholic-group coating absorbing heat by using melting, sublimation and vaporization of substances
CN102989998B (en) * 2012-12-25 2014-10-29 常州大学 Chilling alcoholic-group coating absorbing heat by using melting, sublimation and vaporization of substances
CN103264140A (en) * 2013-03-05 2013-08-28 南通华东油压科技有限公司 Dedicated core coating for manufacturing walking machinery motor cover, manufacturing method and use method thereof
CN103215490A (en) * 2013-05-17 2013-07-24 莱州新忠耀机械有限公司 Preparation method of thin-wall A-type graphite casting piece A
CN103302236A (en) * 2013-06-20 2013-09-18 湖北工业大学 Alcohol-based non-zirconium composite refractory aggregate spray paint for wet cast steel and preparation method thereof
CN103878299A (en) * 2014-03-03 2014-06-25 珠海市斗门福联造型材料实业有限公司 Sintered strippable light-colored casting coating and preparation method thereof
CN103878299B (en) * 2014-03-03 2016-11-02 珠海市斗门福联造型材料实业有限公司 A kind of sintering exfoliated light color cast paint and preparation method thereof
CN104150968A (en) * 2014-08-11 2014-11-19 傅欢欢 Ceramic craft product preparation method
CN104550679A (en) * 2014-12-29 2015-04-29 三峡大学 Environment-friendly alcohol-based coating for sand mold casting
CN104550679B (en) * 2014-12-29 2017-03-15 三峡大学 A kind of sand casting environment-friendly type alcohol-base paint
CN104550680A (en) * 2015-01-01 2015-04-29 三峡大学 Alcoholic-group coating
CN106734875A (en) * 2016-12-26 2017-05-31 中国地质大学(武汉) A kind of light casting alcohol-based coating and preparation method thereof
CN106734875B (en) * 2016-12-26 2019-07-23 中国地质大学(武汉) A kind of light color casting alcohol-based coating and preparation method thereof
CN109396326A (en) * 2018-11-20 2019-03-01 吴江市格瑞福金属制品有限公司 A kind of cast paint and its preparation and application for processing cast iron stove
CN110125322A (en) * 2019-06-17 2019-08-16 大连安龙鑫机械有限公司 A kind of anti-vein additive for casting
CN110586853A (en) * 2019-09-25 2019-12-20 浙江鸿峰重工机械有限公司 Special coating for casting

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