CN103100650B - A kind of preparation method of anti-stick grittiness full-mold casting coating - Google Patents
A kind of preparation method of anti-stick grittiness full-mold casting coating Download PDFInfo
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- CN103100650B CN103100650B CN201210530749.8A CN201210530749A CN103100650B CN 103100650 B CN103100650 B CN 103100650B CN 201210530749 A CN201210530749 A CN 201210530749A CN 103100650 B CN103100650 B CN 103100650B
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Abstract
The invention discloses a kind of preparation method of anti-stick grittiness full-mold casting coating, be made up of following component with parts by weight: silica flour 56-70 part, plant ash 5-7 part, hollow glass micropearl 1-2 part, waterglass 10-15 part, graphite powder 10-15 part, nano-attapulgite 4-6 part, lignin sulfonic acid 1-2 part, polyvinyl alcohol 2-3 part, sodium carboxymethylcellulose 0.8-1.5 part, Sodium Benzoate 0.4-0.6 part, nanometer scale ceramics powder 1-2 part, brown iron oxide 0.5-0.8 part, water 525-535 part, coating of the present invention is at high temperature, under low temperature environment, all there is strong wearability, high tack, excellent gas permeability and drip-dry full-mold casting coating, heavy castings production requirement can be met.
Description
Technical field
The present invention relates to casting field, particularly a kind of preparation method of anti-stick grittiness full-mold casting coating.
Background technology
The disperse system that full-mold casting coating is made up of the material of multiple different in kind, its composition mainly comprises the compositions such as refractory material, polyvinyl alcohol, carrier, nano-attapulgite and special additive, needs coating have good processing performance, service behaviour, quality stability and apply reappearance.Full-mold casting coating is coated in the outer surface of foamed polystyrene pattern, could moulding cast after coating drying.Foamed plastics is airtight, heat distortion temperature low (about about 70 DEG C), poor to the affinity of water; Lipid residue after foamed plastics melted by heating, gasification is many, and gas forming amount is large, if these gases and lipid residue can not be discharged in time, foundry goods will produce the carbon defects such as gas, carburetting, Surface Wrinkle in iron.These features determine full-mold paint should possess following performance requirement, and namely coating should have good wetability and being coated with property, good high-temperature resistant property and elevated temperature strength and good hot permeability.
The resistance to elevated temperatures of the cast paint of prior art is poor, and can only be applicable to high-temperature process time shorter finding (within 200kg) and produce, the production for heavy castings (within 20 tons) and small lot handwork then can not adapt to.Have the production technology that resistant to elevated temperatures performance can be applicable to heavy castings, but its manufacturing cost is higher, and can not be applicable to manual brushing, this coating is black, easily causes the image of working environment black pollution.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of preparation method of anti-stick grittiness full-mold casting coating, all there is strong wearability, high tack, excellent gas permeability and drip-dry full-mold casting coating under high temperature, low temperature environment, heavy castings production requirement can be met.
Technical scheme of the present invention is as follows:
A kind of preparation method of anti-stick grittiness full-mold casting coating, be made up of following component with parts by weight: silica flour 56-70 part, plant ash 5-7 part, hollow glass micropearl 1-2 part, waterglass 10-15 part, graphite powder 10-15 part, nano-attapulgite 4-6 part, lignin sulfonic acid 1-2 part, polyvinyl alcohol 2-3 part, sodium carboxymethylcellulose 0.8-1.5 part, Sodium Benzoate 0.4-0.6 part, nanometer scale ceramics powder 1-2 part, brown iron oxide 0.5-0.8 part, tertiary sodium phosphate 1-2 part, palygorskite clay 3-5 part, water 55-65 part, described preparation method comprises the steps:
1) by plant ash 10-15% salt acid soak 3-4 hour, deionized water is washed, soak 3-4 hour with 10-12% sodium hydroxide solution again, then spend deionized water to neutral, be wrapped in hollow glass micropearl after filtering and after waterglass Homogeneous phase mixing and form glass microballoon enwrapped granule thing outward;
2) glass microballoon enwrapped granule thing above-mentioned steps obtained mixes with the water of nano-attapulgite, 1/4 weight, stir and be heated to 150-160 DEG C, insulation 1-2 hour, stove is chilled to 50 DEG C, be incubated 2 hours, be heated to 100-120 DEG C again, be incubated 1 hour, be cooled to normal temperature with 20 DEG C/h;
3) graphite powder of above-mentioned weight portion, nanometer scale ceramics powder, polyvinyl alcohol, sodium carboxymethylcellulose are mixed with the water of 1/4 weight, and fully stir, then leave standstill 40-60min, be then slowly heated to 75-85 DEG C and fully stir;
4) by step 2) product, step 3) product, silica flour, brown iron oxide, tertiary sodium phosphate, palygorskite clay, 1/2 weight parts water add in reactor, open reactor, mixing speed is: 100-120r/min, other raw material is added in stirring downhill reaction still, heat simultaneously and the temperature of reactor is slowly risen to 70-80 DEG C, constant temperature stirs 10-18min, grinding.
Compared with prior art, the present invention has following beneficial effect:
1) on the basis of great many of experiments, determine the composition of the aggregate of coating, nano-attapulgite, bonding agent and auxiliary material and respective content, make the effect between above-mentioned each component reach collaborative, the combination property of coating is improved.Full-mold casting coating of the present invention had both reached high anti-burnon ability, the rigidity improving apperance and resistance to elevated temperatures, minimized cost again.Through the optimize allocation of aggregate and various additive, form strong rheological fluid, all reach better state with foamed polystyrene pattern wetability and brushability.Facts have proved, this coating just can reach more than 1.7mm paint thickness through 2 times brushings, and the anti-burnon that can meet heavy castings requires and carries needs.
2) full-mold casting coating of the present invention, has good suspension and thixotropy, also has good gas permeability and higher surface strength, and preparation technology is simple, easy to operate, abundant raw materials, production cost are low.The full mold cast(ing) surface produced with it is bright and clean, without carbon defects such as elephant skin; Coating is easy to peel off, and is convenient to cleaning.
Detailed description of the invention
A preparation method for anti-stick grittiness full-mold casting coating, is made up of following component in weight portion (kilogram): silica flour 56 parts, plant ash 7 parts, hollow glass micropearl 2 parts, waterglass 15 parts, graphite powder 10 parts, nano-attapulgite 6 parts, lignin sulfonic acid 2 parts, polyvinyl alcohol 3 parts, sodium carboxymethylcellulose 0.8 part, Sodium Benzoate 0.6 part, 2 parts, nanometer scale ceramics powder, brown iron oxide 0.8 part, tertiary sodium phosphate 1 part, palygorskite clay 5 parts, 55 parts, water, described preparation method comprises the steps:
1) by plant ash 15% salt acid soak 3-4 hour, deionized water is washed, soak 3-4 hour with 12% sodium hydroxide solution again, then spend deionized water to neutral, be wrapped in hollow glass micropearl after filtering and after waterglass Homogeneous phase mixing and form glass microballoon enwrapped granule thing outward;
2) glass microballoon enwrapped granule thing above-mentioned steps obtained mixes with the water of nano-attapulgite, 1/4 weight, stir and be heated to 150-160 DEG C, insulation 1-2 hour, stove is chilled to 50 DEG C, be incubated 2 hours, be heated to 100-120 DEG C again, be incubated 1 hour, be cooled to normal temperature with 20 DEG C/h;
3) graphite powder of above-mentioned weight portion, nanometer scale ceramics powder, polyvinyl alcohol, sodium carboxymethylcellulose are mixed with the water of 1/4 weight, and fully stir, then leave standstill 40-60min, be then slowly heated to 75-85 DEG C and fully stir;
4) by step 2) product, step 3) product, silica flour, brown iron oxide, tertiary sodium phosphate, palygorskite clay, 1/2 weight water add in reactor, open reactor, mixing speed is: 100-120r/min, other raw material is added in stirring downhill reaction still, heat simultaneously and the temperature of reactor is slowly risen to 70-80 DEG C, constant temperature stirs 10-18min, grinding.
Suspensibility after the coating utilizing method of the present invention to prepare places 72 hours is greater than 93%; The shear stress of coating is limited to 17-19Pa; Be 41-44s by the apparent viscosity value of painting 4 viscometer determining coating, thixotroping rate 15-17%, the brushing index of coating, drips the amount of dropping down and drips the time of dropping down and be respectively 6.0,0.4g and 10s.The normal temperature strength of coating is higher than 700g/mm.After 1250 DEG C of roastings, the intensity of paint coatings is higher than 500g/mm.The normal temperature gas permeability of coating is higher than 10cm
2(kPamin)
-1, hot permeability is greater than 20cm
2(kPamin)
-1.
Claims (1)
1. the preparation method of an anti-stick grittiness full-mold casting coating, it is characterized in that, this coating is prepared by the raw material of following weight portion: silica flour 56-70 part, plant ash 5-7 part, hollow glass micropearl 1-2 part, waterglass 10-15 part, graphite powder 10-15 part, nano-attapulgite 4-6 part, lignin sulfonic acid 1-2 part, polyvinyl alcohol 2-3 part, sodium carboxymethylcellulose 0.8-1.5 part, Sodium Benzoate 0.4-0.6 part, nanometer scale ceramics powder 1-2 part, brown iron oxide 0.5-0.8 part, tertiary sodium phosphate 1-2 part, palygorskite clay 3-5 part, water 55-65 part, described preparation method comprises the steps: 1) by plant ash 10-15% salt acid soak 3-4 hour, deionized water is washed, 3-4 hour is soaked again with 10-12% sodium hydroxide solution, spend deionized water again to neutral, be wrapped in hollow glass micropearl after filtering and after waterglass Homogeneous phase mixing and form glass microballoon enwrapped granule thing outward, 2) glass microballoon enwrapped granule thing above-mentioned steps obtained mixes with the water of nano-attapulgite, 1/4 weight, stir and be heated to 150-160 DEG C, insulation 1-2 hour, stove is chilled to 50 DEG C, be incubated 2 hours, be heated to 100-120 DEG C again, be incubated 1 hour, be cooled to normal temperature with 20 DEG C/h, 3) graphite powder of above-mentioned weight portion, nanometer scale ceramics powder, polyvinyl alcohol, sodium carboxymethylcellulose are mixed with the water of 1/4 weight, and fully stir, then leave standstill 40-60min, be then slowly heated to 75-85 DEG C and fully stir, 4) by step 2) product, step 3) product, silica flour, brown iron oxide, tertiary sodium phosphate, palygorskite clay, 1/2 weight parts water add in reactor, open reactor, mixing speed is: 100-120r/min, other raw material is added in stirring downhill reaction still, heat simultaneously and the temperature of reactor is slowly risen to 70-80 DEG C, constant temperature stirs 10-18min, grinding.
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| CN201210530749.8A CN103100650B (en) | 2012-12-11 | 2012-12-11 | A kind of preparation method of anti-stick grittiness full-mold casting coating |
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| CN201210530749.8A CN103100650B (en) | 2012-12-11 | 2012-12-11 | A kind of preparation method of anti-stick grittiness full-mold casting coating |
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| CN103100650B true CN103100650B (en) | 2016-01-06 |
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| CN114907038B (en) * | 2021-02-08 | 2023-12-01 | 济南圣泉集团股份有限公司 | Thermal insulation coating for ductile iron part resin sand mold, and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428328A (en) * | 2008-12-06 | 2009-05-13 | 华中科技大学 | Powdery paint for lost foam casting of cast iron |
| CN101497104A (en) * | 2009-03-11 | 2009-08-05 | 杨玉光 | Lost foam paint and method for producing the same |
| CN101497105A (en) * | 2009-03-12 | 2009-08-05 | 深圳市景鼎现代科技有限公司 | Cast form water borne coating and technique for preparing the same |
| CN102397983A (en) * | 2011-11-29 | 2012-04-04 | 朱小英 | Full mold casing coating |
| CN102500745A (en) * | 2011-11-29 | 2012-06-20 | 朱小英 | Method for preparing full-mold casting coating |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004044662A1 (en) * | 2004-09-15 | 2006-03-30 | Ashland-Südchemie-Kernfest GmbH | Thixotropic coating compositions |
| JP2010131665A (en) * | 2008-12-08 | 2010-06-17 | Okazaki Kosanbutsu Kk | Facing material for casting |
-
2012
- 2012-12-11 CN CN201210530749.8A patent/CN103100650B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428328A (en) * | 2008-12-06 | 2009-05-13 | 华中科技大学 | Powdery paint for lost foam casting of cast iron |
| CN101497104A (en) * | 2009-03-11 | 2009-08-05 | 杨玉光 | Lost foam paint and method for producing the same |
| CN101497105A (en) * | 2009-03-12 | 2009-08-05 | 深圳市景鼎现代科技有限公司 | Cast form water borne coating and technique for preparing the same |
| CN102397983A (en) * | 2011-11-29 | 2012-04-04 | 朱小英 | Full mold casing coating |
| CN102500745A (en) * | 2011-11-29 | 2012-06-20 | 朱小英 | Method for preparing full-mold casting coating |
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Inventor after: She Mengjiang Inventor after: Xu Xiangang Inventor after: Tang Juan Inventor before: Xia Kuncai |
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Effective date of registration: 20170704 Address after: The 5 group of 636001 Bazhong province Sichuan city Bazhou District subdistrict office bell Dang Liang Village Patentee after: BAZHONG SHENBANG BUILDING MATERIAL CO., LTD. Address before: Wuhu City, Anhui province 241007 yeatan Jiujiang Road Economic Development Zone No. 5 Patentee before: Wuhu Hengkun Auto Parts Co., Ltd. |
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Address after: 636001 group 5, ringing village, Bazhou District, Bazhong, Sichuan. Patentee after: Sichuan Shenbang Technology Co., Ltd Address before: 636001 group 5, ringing village, Bazhou District, Bazhong, Sichuan. Patentee before: BAZHONG SHENBANG BUILDING MATERIAL Co.,Ltd. |
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Granted publication date: 20160106 Termination date: 20201211 |