CN104014728A - Alcohol-based foundry coating of blast furnace slag and fabrication method thereof - Google Patents
Alcohol-based foundry coating of blast furnace slag and fabrication method thereof Download PDFInfo
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- CN104014728A CN104014728A CN201410194592.5A CN201410194592A CN104014728A CN 104014728 A CN104014728 A CN 104014728A CN 201410194592 A CN201410194592 A CN 201410194592A CN 104014728 A CN104014728 A CN 104014728A
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000000576 coating method Methods 0.000 title claims abstract description 27
- 239000011248 coating agent Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000002893 slag Substances 0.000 title abstract 5
- 238000000034 method Methods 0.000 title description 4
- 239000004576 sand Substances 0.000 claims abstract description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 14
- 241001070941 Castanea Species 0.000 claims abstract description 13
- 235000014036 Castanea Nutrition 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000004927 clay Substances 0.000 claims abstract description 8
- 102100026144 Transferrin receptor protein 1 Human genes 0.000 claims abstract description 7
- 108050003222 Transferrin receptor protein 1 Proteins 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
- 239000005011 phenolic resin Substances 0.000 claims abstract description 7
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920002545 silicone oil Polymers 0.000 claims abstract description 7
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 7
- 239000011734 sodium Substances 0.000 claims abstract description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 7
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 7
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 239000003818 cinder Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 229910000077 silane Inorganic materials 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 238000001354 calcination Methods 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 235000001287 Guettarda speciosa Nutrition 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- 210000000988 bone and bone Anatomy 0.000 claims description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- 235000019353 potassium silicate Nutrition 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 150000003376 silicon Chemical class 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 244000061520 Angelica archangelica Species 0.000 claims 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 abstract 1
- 239000004312 hexamethylene tetramine Substances 0.000 abstract 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 9
- 241000125175 Angelica Species 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001037 White iron Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- -1 carrier Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
Abstract
The invention discloses an alcohol-based foundry coating of blast furnace slag. The alcohol-based foundry coating is characterized by being prepared from the following raw materials in parts by weight: 30-40 parts of flint clay, 40-50 parts of chromite, 2-4 parts of clay sand, 15-20 parts of blast furnace slag, 4-8 parts of sodium silicate-bonded sand, 1-2 parts of TRFR high-flame retardant and high-viscosity resin, 0.2-0.5 part of silane coupling agent, 0.3-0.6 part of polyvinyl alcohol fiber, 0.4-0.7 part of sodium carbonate, 9-12 parts of chestnut shell, 1-3 parts of vinyl silicone oil, 2-6 parts of phenolic resin, 3-4 parts of hexamine, 40-55 parts of ethanol and 3-6 parts of assistant. The alcohol-based foundry coating is low in production cost, and the blast furnace slag is added to the raw materials, so that not only is the problem of discharge of the waste solved, but also the suspendability of the coating is improved, and comprehensive utilization of the blast furnace slag is achieved. Therefore, the alcohol-based foundry coating has strong market competition ability as well as promotion and application values.
Description
Technical field
The present invention relates to cast paint field, be specifically related to a kind of blast-furnace cinder alcohol-base foundry coating and preparation method thereof.
Background technology
Cast paint refers to for being coated in die cavity or core surface, to change the casting auxiliary material of the performances such as its surperficial refractoriness, chemical stability, anti-metal erosion, anti-stick grittiness, the disperse system that it is comprised of the material of multiple different in kind, it forms and mainly comprises the compositions such as refractory material, suspending agent, carrier, binding agent and special additive.While acting on foundry goods, require coating have good processing performance, service behaviour, quality stability and apply reappearance, can play on the one hand heat insulation, equalization temperature, exempt the object of the impingment corrosion of molten metal, can prevent on the other hand the defects such as cracking that cast product causes because Local cooling is too fast, sand holes, white iron formation.Cast paint is of a great variety, substantially can be divided into two classes: water based paint and alcohol-base paint.Wherein alcohol-base paint is both curable by lighting in coating, does not need to dry, and can shorten the production cycle, simplifies technique, reduces drying plant investment, is to be cast a kind of quick drying paint that boundary is widely used, and has been widely used in the production of steel, iron, coloured foundry goods.
Yet in prior art, alcohol-base foundry coating has many defects, such as: suspension stability is poor, in long-distance transport and easily layering in depositing process, resistance to elevated temperatures is poor, hardness is low, a little less than poor chemical stability, low, the anti-stick grittiness of anti-metal performance of flushing etc., make alcohol-base foundry coating function singleness, cannot meet large-scale industrial production.
Summary of the invention
Object of the present invention is just to provide a kind of blast-furnace cinder alcohol-base foundry coating and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of blast-furnace cinder alcohol-base foundry coating, it is characterized in that, by the raw material of following weight portion, made: flint clay 30-40, chromite 40-50, clay-bonded sand 2-4, blast-furnace cinder 15-20, water-glass sand 4-8, the high tackifying resin 1-2 of TRFR high flame retardant, silane coupler 0.2-0.5, vinal 0.3-0.6, sodium carbonate 0.4-0.7, chestnut shell 9-12, vinyl silicone oil 1-3, phenolic resins 2-6, hexa 3-4, ethanol 40-55, auxiliary agent 3-6.
Described auxiliary agent is made by 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 ℃, 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, add water and stir pulping, 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, the above-mentioned xeraphium making, modified silicon ash and other residual components are added to water and grind granulation, dry and get final product.
The preparation method of described a kind of blast-furnace cinder alcohol-base foundry coating, is characterized in that comprising the following steps:
(1) chestnut shell is put into retort calcination processing 3-4 hour at 405-520 ℃, 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 vinyl silicone oil and stir and evenly mix, the modification chestnut shell ash of system;
(2) modification chestnut shell ash above-mentioned steps being made grinds and is heated to 140-160 ℃ together with the ethanol of clay-bonded sand, 1/4 weight, add the high tackifying resin of TRFR high flame retardant, silane coupler, vinal to keep temperature to stir 1-2 hour, be cooled to 50-60 ℃ and add sodium carbonate to grind 30-40 minute;
(3) blast-furnace cinder, chromite are put into calcining furnace and calcine 2-4 hour at 530-680 ℃, take out cooling crush, add the ethanol of 1/5 weight to stir, standing 10-12 hour, then adds water-glass sand, phenolic resins, hexa to be heated to 70-80 ℃ and stirs 30-40 minute;
(4) flint clay is dropped in reactor, add the ethanol agitation grinding 10-15 minute of surplus, then add step (2), (3) product, auxiliary agent, temperature of reaction kettle is slowly risen to 75-85 ℃ simultaneously, keep temperature to stir 20-40 minute, grind until fineness reaches 50 μ m below.
The present invention has following beneficial effect: coating property prepared by the present invention is good, has the advantages such as high temperature resistant, gas permeability is good; Production cost of the present invention is low, and blast-furnace cinder is added in raw material, and a discharge difficult problem that has not only solved discarded object has also improved the suspendability of coating, has realized the comprehensive utilization of blast-furnace cinder, therefore has the very strong market competitiveness and application value.
The specific embodiment
Described a kind of blast-furnace cinder alcohol-base foundry coating, it is characterized in that, by the raw material of following weight portion, made: flint clay 35, chromite 40, clay-bonded sand 2, blast-furnace cinder 15, water-glass sand 4, the high tackifying resin 2 of TRFR high flame retardant, silane coupler 0.2, vinal 0.3, sodium carbonate 0.4, chestnut shell 9, vinyl silicone oil 1, phenolic resins 2, hexa 3, ethanol 46, auxiliary agent 3.
Described auxiliary agent is made by following raw materials in part by weight: pig bone 26, rectorite 38, metakaolin 85, silicon ash 30, Silane coupling reagent KH-570 2, Ludox 0.4, nano carborundum powder 1, nano ferriferrous oxide 1.2, angelica powder 0.6, sodium carboxymethyl starch 0.4, carboxymethyl cellulose 4, 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 ℃, 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, add water and stir pulping, 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, the above-mentioned xeraphium making, modified silicon ash and other residual components are added to water and grind granulation, dry and get final product.
Preparation method comprises the following steps:
(1) chestnut shell is put into retort calcination processing 3-4 hour at 405-520 ℃, 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 vinyl silicone oil and stir and evenly mix, the modification chestnut shell ash of system;
(2) modification chestnut shell ash above-mentioned steps being made grinds and is heated to 140-160 ℃ together with the ethanol of clay-bonded sand, 1/4 weight, add the high tackifying resin of TRFR high flame retardant, silane coupler, vinal to keep temperature to stir 1-2 hour, be cooled to 50-60 ℃ and add sodium carbonate to grind 30-40 minute;
(3) blast-furnace cinder, chromite are put into calcining furnace and calcine 2-4 hour at 530-680 ℃, take out cooling crush, add the ethanol of 1/5 weight to stir, standing 10-12 hour, then adds water-glass sand, phenolic resins, hexa to be heated to 70-80 ℃ and stirs 30-40 minute;
(4) flint clay is dropped in reactor, add the ethanol agitation grinding 10-15 minute of surplus, then add step (2), (3) product, auxiliary agent, temperature of reaction kettle is slowly risen to 75-85 ℃ 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) coating abrasion performance: 0.83;
(2) gas forming amount: 14.1 mL/g;
(3) place 24 hours coating suspension rates: 98%;
(4) coating density: 1.62g/cm
3;
(5) normal temperature strength of coating is higher than 700g/mm;
(6) after 1200 ℃ of roastings the intensity of paint coatings higher than 500g/mm;
(7) coating, oven dry, cooling rear appearance of coat: the uniform coating of flawless, nothing foaming and macroscopic pin hole.
Claims (2)
1. a blast-furnace cinder alcohol-base foundry coating, it is characterized in that, by the raw material of following weight portion, made: flint clay 30-40, chromite 40-50, clay-bonded sand 2-4, blast-furnace cinder 15-20, water-glass sand 4-8, the high tackifying resin 1-2 of TRFR high flame retardant, silane coupler 0.2-0.5, vinal 0.3-0.6, sodium carbonate 0.4-0.7, chestnut shell 9-12, vinyl silicone oil 1-3, phenolic resins 2-6, hexa 3-4, ethanol 40-55, auxiliary agent 3-6, described auxiliary agent is made by 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 ℃, 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, add water and stir pulping, 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, the above-mentioned xeraphium making, modified silicon ash and other residual components are added to water and grind granulation, dry and get final product.
2. the preparation method of a kind of blast-furnace cinder alcohol-base foundry coating according to claim 1, is characterized in that comprising the following steps:
(1) chestnut shell is put into retort calcination processing 3-4 hour at 405-520 ℃, 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 vinyl silicone oil and stir and evenly mix, the modification chestnut shell ash of system;
(2) modification chestnut shell ash above-mentioned steps being made grinds and is heated to 140-160 ℃ together with the ethanol of clay-bonded sand, 1/4 weight, add the high tackifying resin of TRFR high flame retardant, silane coupler, vinal to keep temperature to stir 1-2 hour, be cooled to 50-60 ℃ and add sodium carbonate to grind 30-40 minute;
(3) blast-furnace cinder, chromite are put into calcining furnace and calcine 2-4 hour at 530-680 ℃, take out cooling crush, add the ethanol of 1/5 weight to stir, standing 10-12 hour, then adds water-glass sand, phenolic resins, hexa to be heated to 70-80 ℃ and stirs 30-40 minute;
(4) flint clay is dropped in reactor, add the ethanol agitation grinding 10-15 minute of surplus, then add step (2), (3) product, auxiliary agent, temperature of reaction kettle is slowly risen to 75-85 ℃ simultaneously, keep temperature to stir 20-40 minute, grind until fineness reaches 50 μ m below.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| CN107716847A (en) * | 2017-09-01 | 2018-02-23 | 东风精密铸造安徽有限公司 | A kind of cast paint of use for diesel engine water-cooled metal mould centrifugal cast cylinder sleeve |
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