CN104014724B - A kind of alcohol-base foundry coating with wearability and preparation method thereof - Google Patents

A kind of alcohol-base foundry coating with wearability and preparation method thereof Download PDF

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Publication number
CN104014724B
CN104014724B CN201410194502.2A CN201410194502A CN104014724B CN 104014724 B CN104014724 B CN 104014724B CN 201410194502 A CN201410194502 A CN 201410194502A CN 104014724 B CN104014724 B CN 104014724B
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CN104014724A (en
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方学军
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Foshan Shunde Mining and Decoration Materials Co., Ltd.
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方学军
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Abstract

The invention discloses a kind of alcohol-base foundry coating with wearability, it is characterized in that, made by the raw material of following weight portion: yellow starch gum 1.2-3.4, magnesium chloride 0.4-0.7, lithium bentonite 1-2, kaolin 45-60, zircon 30-40, sodium carboxymethylcellulose 2-3, zinc dithiophosphate 0.2-0.4, triphenyl phosphite 0.6-1.2, white glue with vinyl 0.7-1.3, shell 9-13, phenolic resins 3-5, hexa 2-4, ethanol 45-60, auxiliary agent 3-6; The coating that the present invention makes has that wearability is good, suspension is good, surface smoothness good, does not precipitate, does not lump, good fluidity, anti-stick grittiness are strong and the feature of good stability, has a extensive future.

Description

A kind of alcohol-base foundry coating with wearability and preparation method thereof
Technical field
The present invention relates to cast paint field, be specifically related to a kind of alcohol-base foundry coating and system thereof with wearabilityMake method.
Background technology
Cast paint refers to for being coated in die cavity or core surface, to change its surperficial refractoriness, chemically stableThe casting auxiliary material of the performances such as property, anti-metal erosion, anti-stick grittiness, it is the material by multiple different in kindThe disperse system of material composition, its composition mainly comprises refractory material, suspending agent, carrier, binding agent and special interpolationThe compositions such as agent. While acting on foundry goods, require coating have good processing performance, service behaviour, quality stability withAnd applying reappearance, one side can play heat insulation, equalization temperature, the order of the impingment corrosion of release molten metal, can prevent on the other hand cracking, sand holes, white iron shape that cast product causes because Local cooling is too fastThe defects such as one-tenth. Cast paint is of a great variety, substantially can be divided into two classes: water based paint and alcohol-base paint. WhereinAlcohol-base paint is both curable through lighting after coating, does not need to dry, and can shorten the production cycle, simplifies technique, subtractsFew drying plant investment, is to be cast a kind of quick drying paint that boundary is widely used, be widely used in steel, iron,In the production of coloured foundry goods.
But alcohol-base foundry coating has many defects in prior art, such as: suspension stability is poor, long-distanceTransport and deposit in process easily layering, resistance to elevated temperatures is poor, hardness is low, poor chemical stability, the punching of anti-metalLow, the anti-stick grittiness of brush performance is weak etc., makes alcohol-base foundry coating function singleness, cannot meet large-scale industryChange and produce.
Summary of the invention
Object of the present invention is just to provide a kind of alcohol-base foundry coating with wearability and preparation method thereof, with gramTake the deficiencies in the prior art.
The object of the present invention is achieved like this:
An alcohol-base foundry coating with wearability, is characterized in that, is made up of the raw material of following weight portion:Yellow starch gum 1.2-3.4, magnesium chloride 0.4-0.7, lithium bentonite 1-2, kaolin 45-60, zircon 30-40,Sodium carboxymethylcellulose 2-3, zinc dithiophosphate 0.2-0.4, triphenyl phosphite 0.6-1.2, white glue with vinyl 0.7-1.3,Shell 9-13, phenolic resins 3-5, hexa 2-4, ethanol 45-60, auxiliary agent 3-6.
Described auxiliary agent is made up of following raw materials in part by weight: pig bone 25-30, rectorite 35-45, metakaolin65-95, silicon ash 30-45, Silane coupling reagent KH-570 2-6, Ludox 0.4-0.8, nano carborundum powder 1-3,Nano ferriferrous oxide 1.2-3.4, angelica powder 0.6-1.2, sodium carboxymethyl starch 0.4-0.9, carboxymethyl cellulose4-7, suitable quantity of water, its preparation method is that pig bone, rectorite, metakaolin are put into calcining furnace at 560-680 DEG CLower calcining 2-3 hour, takes out, and the hydrochloric acid solution of putting into 8-12% soaks 4-5 hour, filters and takes out, and usesClear water cyclic washing, dries and pulverizes, the stirring pulping that adds water, meanwhile, add nano carborundum powder, Ludox,Sodium carboxymethyl starch grinds, the dry xeraphium that makes of spraying; Get silicon ash, angelica powder adds silane couplerKH-570 stirs and makes slurry, and plus nano tri-iron tetroxide grinds 20-30 minute, makes the silicon ash of modification; WillThe grinding granulation that adds water of the above-mentioned xeraphium making, modified silicon ash and other residual components, dries and get final product.
The preparation method of described a kind of alcohol-base foundry coating with wearability, is characterized in that comprising following stepRapid:
(1) shell is put into retort calcination processing 3-4 hour at 405-520 DEG C, taken out, put intoIn the hydrochloric acid solution of 10-12%, soak 3-6 hour, filter and take out, use clear water cyclic washing, dry and pulverize, spraySpill vaporific white glue with vinyl and stir and evenly mix, the modification oyster shell whiting of system;
(2) together with the ethanol of modification oyster shell whiting above-mentioned steps being made and kaolin, 1/4 weight, grind and addHeat, to 140-160 DEG C, adds zinc dithiophosphate, triphenyl phosphite to keep temperature to stir 1-2 hour, coldBut add magnesium chloride to grind 30-40 minute to 50-60 DEG C, the dry xeraphium that makes of spraying;
(3) lithium bentonite is put into calcining furnace and calcined 2-4 hour at 530-680 DEG C, take out cooling,Add the ethanol of 1/5 weight to stir, leave standstill 10-12 hour, then add sodium carboxymethylcellulose, phenolUrea formaldehyde, hexa are heated to 70-80 DEG C and stir 30-40 minute;
(4) zircon is dropped in reactor, add the ethanol agitation grinding 10-15 of yellow starch gum and surplusMinute, then add step (2), (3) product, auxiliary agent, temperature of reaction kettle is slowly risen to 75-85 DEG C simultaneously,Keep temperature to stir 20-40 minute, grind until fineness reaches 50 μ m below.
The present invention has following beneficial effect: the present invention adds zinc dithiophosphate and improved coating as anti-wear agentAnti-wear performance; Add again oyster shell whiting and other the effective auxiliary agents after modification, the painting making according to the present invention simultaneouslyMaterial has that suspension is good, brushing performance is good, surface smoothness is good, does not precipitate, does not lump, good fluidity, anti-The feature of the strong and good stability of scab.
Detailed description of the invention
Described a kind of alcohol-base foundry coating with wearability, is characterized in that, by the raw material of following weight portionMake: yellow starch gum 1.6, magnesium chloride 0.4, lithium bentonite 1, kaolin 45, zircon 34, carboxymethylSodium cellulosate 2, zinc dithiophosphate 0.2, triphenyl phosphite 1.1, white glue with vinyl 1.2, shell 9, phenolic aldehyde treeFat 3, hexa 2, ethanol 56, auxiliary agent 3.
Described auxiliary agent is made up of following raw materials in part by weight: pig bone 27, rectorite 42, metakaolin 85, siliconAsh 30, Silane coupling reagent KH-570 2, Ludox 0.4, nano carborundum powder 1, nano ferriferrous oxide 1.2,Angelica powder 1.2, sodium carboxymethyl starch 0.4, carboxymethyl cellulose 4, suitable quantity of water, its preparation method be by pig bone,Rectorite, metakaolin are put into calcining furnace and calcine 2-3 hour at 560-680 DEG C, take out, and put into 8-12%Hydrochloric acid solution in soak 4-5 hour, filter take out, use clear water cyclic washing, dry pulverizing, stirring adds waterPulping, meanwhile, adds nano carborundum powder, Ludox, sodium carboxymethyl starch to grind, spraying is dry make dryDry powder; Getting silicon ash, angelica powder adds Silane coupling reagent KH-570 to stir to make slurry, plus nano tri-iron tetroxideGrind 20-30 minute, make the silicon ash of modification; By the above-mentioned xeraphium making, modified silicon ash and other residuesThe composition grinding granulation that adds water, dries and get final product.
Preparation method comprises the following steps:
(1) shell is put into retort calcination processing 3-4 hour at 405-520 DEG C, taken out, put intoIn the hydrochloric acid solution of 10-12%, soak 3-6 hour, filter and take out, use clear water cyclic washing, dry and pulverize, spraySpill vaporific white glue with vinyl and stir and evenly mix, the modification oyster shell whiting of system;
(2) together with the ethanol of modification oyster shell whiting above-mentioned steps being made and kaolin, 1/4 weight, grind and addHeat, to 140-160 DEG C, adds zinc dithiophosphate, triphenyl phosphite to keep temperature to stir 1-2 hour, coldBut add magnesium chloride to grind 30-40 minute to 50-60 DEG C, the dry xeraphium that makes of spraying;
(3) lithium bentonite is put into calcining furnace and calcined 2-4 hour at 530-680 DEG C, take out cooling,Add the ethanol of 1/5 weight to stir, leave standstill 10-12 hour, then add sodium carboxymethylcellulose, phenolUrea formaldehyde, hexa are heated to 70-80 DEG C and stir 30-40 minute;
(4) zircon is dropped in reactor, add the ethanol agitation grinding 10-15 of yellow starch gum and surplusMinute, then add step (2), (3) product, auxiliary agent, temperature of reaction kettle is slowly risen to 75-85 DEG C simultaneously,Keep temperature to stir 20-40 minute, grind until fineness reaches 50 μ m below.
The operation technique index of processing the cast paint obtaining by above-described embodiment is as follows:
(1) solid content: 34.12%;
(2) coating abrasion performance: 0.71;
(3) gas forming amount: 11.4mL/g;
(4) place 24 hours coating suspension rates: 98.56%;
(5) coating, oven dry, cooling rear appearance of coat: flawless, nothing foaming and macroscopic pin holeUniform coating.

Claims (1)

1. one kind has the alcohol-base foundry coating of wearability, it is characterized in that, made by the raw material of following weight portion: yellow starch gum 1.2-3.4, magnesium chloride 0.4-0.7, lithium bentonite 1-2, kaolin 45-60, zircon 30-40, sodium carboxymethylcellulose 2-3, zinc dithiophosphate 0.2-0.4, triphenyl phosphite 0.6-1.2, white glue with vinyl 0.7-1.3, shell 9-13, phenolic resins 3-5, hexa 2-4, ethanol 45-60, auxiliary agent 3-6, described auxiliary agent is made up of following raw materials in part by weight: pig bone 25-30, rectorite 35-45, metakaolin 65-95, silicon ash 30-45, Silane coupling reagent KH-570 2-6, Ludox 0.4-0.8, nano carborundum powder 1-3, nano ferriferrous oxide 1.2-3.4, angelica powder 0.6-1.2, sodium carboxymethyl starch 0.4-0.9, carboxymethyl cellulose 4-7, suitable quantity of water, its preparation method is by pig bone, rectorite, metakaolin is put into calcining furnace and calcine 2-3 hour at 560-680 DEG C, take out, the hydrochloric acid solution of putting into 8-12% soaks 4-5 hour, filter and take out, use clear water cyclic washing, dry and pulverize, stirring pulping adds water, simultaneously, add nano carborundum powder, Ludox, sodium carboxymethyl starch grinds, the dry xeraphium that makes of spraying, get silicon ash, angelica powder and add Silane coupling reagent KH-570 to stir to make slurry, plus nano tri-iron tetroxide grinds 20-30 minute, makes the silicon ash of modification, by the grinding granulation that adds water of the above-mentioned xeraphium making, modified silicon ash and other residual components, dry and get final product,
The preparation method of described a kind of alcohol-base foundry coating with wearability, comprises the following steps:
(1) shell is put into retort calcination processing 3-4 hour at 405-520 DEG C, taken out, the hydrochloric acid solution of putting into 10-12% soaks 3-6 hour, filter and take out, use clear water cyclic washing, dry and pulverize, spray vaporific white glue with vinyl and stir and evenly mix, the modification oyster shell whiting of system;
(2) together with the ethanol of modification oyster shell whiting above-mentioned steps being made and kaolin, 1/4 weight, grind and be heated to 140-160 DEG C, add zinc dithiophosphate, triphenyl phosphite to keep temperature to stir 1-2 hour, be cooled to 50-60 DEG C and add magnesium chloride to grind 30-40 minute, the dry xeraphium that makes of spraying;
(3) lithium bentonite is put into calcining furnace and calcined 2-4 hour at 530-680 DEG C, take out cooling, add the ethanol of 1/5 weight to stir, leave standstill 10-12 hour, then add sodium carboxymethylcellulose, phenolic resins, hexa to be heated to 70-80 DEG C and stir 30-40 minute;
(4) zircon is dropped in reactor, add the ethanol agitation grinding 10-15 minute of yellow starch gum and surplus, add again step (2), (3) product, auxiliary agent, temperature of reaction kettle is slowly risen to 75-85 DEG C simultaneously, keep temperature to stir 20-40 minute, grind until fineness reaches 50 μ m below.
CN201410194502.2A 2014-05-09 2014-05-09 A kind of alcohol-base foundry coating with wearability and preparation method thereof Expired - Fee Related CN104014724B (en)

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CN104475665A (en) * 2014-10-08 2015-04-01 铜陵瑞莱科技有限公司 Expandable graphite coating and manufacturing method thereof
CN104475670A (en) * 2014-10-08 2015-04-01 铜陵瑞莱科技有限公司 Modified municipal sludge casting coating and manufacturing method thereof
CN104475666A (en) * 2014-10-08 2015-04-01 铜陵瑞莱科技有限公司 High temperature resistant environmentally-friendly casting coating and manufacturing method thereof
CN104475664A (en) * 2014-10-08 2015-04-01 铜陵瑞莱科技有限公司 Building gypsum/attapulgite composite casting coating and manufacturing method thereof
CN104475668A (en) * 2014-10-08 2015-04-01 铜陵瑞莱科技有限公司 Cristobalite/graphite composite casting coating and manufacturing method thereof
CN104475667A (en) * 2014-10-08 2015-04-01 铜陵瑞莱科技有限公司 Zircon coating and manufacturing method thereof
CN104439047A (en) * 2014-11-08 2015-03-25 芜湖市鸿坤汽车零部件有限公司 Bentonite/manioc waste compounded alcohol-base foundry coating and preparation method thereof
CN104399872A (en) * 2014-11-08 2015-03-11 芜湖市鸿坤汽车零部件有限公司 Alcohol-based casting paint containing modified coconut shell powder and manufacturing method thereof
CN107511450B (en) * 2017-09-18 2019-07-05 桂林中铸机械科技有限公司 The coating agent of surface layer casting abrasion resistant particles layer when evaporative pattern cast casting

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CN103042168A (en) * 2012-12-30 2013-04-17 安岳县金龙机械制造有限公司 Lost foam casting coating and preparation method thereof
CN103264142A (en) * 2013-05-30 2013-08-28 苏州兴业材料科技股份有限公司 Zircon power alternative coating for casting and preparation method thereof

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CN1666828A (en) * 2005-01-18 2005-09-14 湖北工业大学 Anti-seepage burnon casting paint made from alcohol base or aqueous sand powder
CN101475385A (en) * 2009-01-13 2009-07-08 宜兴市中韩窑业工程有限公司 Impervious anticorrosion pouring material
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