CN104117628B - A kind of graphite powder cast paint and preparation method thereof - Google Patents
A kind of graphite powder cast paint and preparation method thereof Download PDFInfo
- Publication number
- CN104117628B CN104117628B CN201410366965.2A CN201410366965A CN104117628B CN 104117628 B CN104117628 B CN 104117628B CN 201410366965 A CN201410366965 A CN 201410366965A CN 104117628 B CN104117628 B CN 104117628B
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- CN
- China
- Prior art keywords
- graphite powder
- parts
- cast paint
- stearmide
- diatomite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000003973 paint Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 20
- GTDHYNXLIKNVTJ-UHFFFAOYSA-N n-(1-hydroxy-2-methylpropan-2-yl)octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NC(C)(C)CO GTDHYNXLIKNVTJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 15
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 15
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000011230 binding agent Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000000498 ball milling Methods 0.000 claims abstract description 6
- 238000010298 pulverizing process Methods 0.000 claims abstract description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000004642 Polyimide Substances 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 4
- 239000008158 vegetable oil Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 abstract description 14
- 239000011248 coating agent Substances 0.000 abstract description 13
- 206010039509 Scab Diseases 0.000 abstract description 3
- 229910000975 Carbon steel Inorganic materials 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 239000010962 carbon steel Substances 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 239000010439 graphite Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention discloses a kind of graphite powder cast paint.Coating is made up of following raw material: graphite powder, diatomite, lauryl sodium sulfate, titanium dioxide, binding agent, acrylic resin, stearmide and ethanol.The preparation method of described a kind of graphite powder cast paint, graphite powder and titanium dioxide, diatomite and lauryl sodium sulfate are placed in ball mill ball milling, the material obtained after pulverizing is placed in mixer with binding agent, acrylic resin and stirs together with stearmide, finally slowly add ethanol, after fully stirring, obtain graphite powder cast paint.Graphite powder cast paint good heat-insulation effect of the present invention, each composition synergy, improve the adhesive force of coating, thus prevent the scab phenomenon of foundry goods, prove, when the weight ratio of stearmide and ethanol is 1:2 through test, the suspendability of coating is best, coating raw material abundance of the present invention, nontoxic environmental protection, is particularly useful for the casting of carbon steel.
Description
Technical field
The present invention relates to a kind of graphite powder cast paint and preparation method thereof, belong to foundary industry technical field.
Background technology
The coating of sand casting, mainly for shielding the interphase interaction of sand mold and metal liquid, density fireproof coating is formed under cast temperature, placing metal liquid penetrates in sand mold, simultaneously because the material of sand mold at high temperature decomposes generation gas, coating can prevent from entering molten metal body weight, affects the surface smoothness of foundry goods.Conventional is cold coating at present, because be suspension liquid, and suspension is low, does not stop to stir and could brush evenly, otherwise can not form fine and close coating during use.
Application number is that 201310447720.8 " a kind of graphite cast paints " disclose a kind of graphite cast paint, coating includes following material by weight: propenyl 20-25 part, methyl alcohol 20-24 part, methacrylate 4-5 part, soil dress graphite 20-22 part, crystalline flake graphite 2-5 part, silica flour 20-25 part, lithium bentonite 1-2 part, polyvinyl butyral resin 0.5-1 part, AEO 0.05-0.08 part, resin 1-2 part.This coatings chemistry good stability and reduce the occurrence rate of scour trough in production process, but anti-stick grittiness is bad, can cause foundry goods scab.
Summary of the invention
The object of the present invention is to provide a kind of resistance to hot precoated sand and preparation method thereof.
The present invention is achieved through the following technical solutions:
A kind of graphite powder cast paint, be made up of the raw material of following parts by weight: graphite powder 40-50 part, diatomite 10-15 part, lauryl sodium sulfate 6-9 part, titanium dioxide 2-5 part, binding agent 2-6 part, acrylic resin 5-10 part, stearmide 10-15 part and ethanol 20-30 part, wherein graphite powder and titanium dioxide cross 200 mesh sieves, and the weight ratio of described stearmide and ethanol is 1:2.
Described a kind of graphite powder cast paint, in described diatomite, the content of silica is greater than 90%, and the content of iron oxide is 1-1.5%.
Described a kind of graphite powder cast paint, described binding agent is one or more in epoxy resin, phenolic resins, vegetable oil or polyimides.
Described a kind of graphite powder cast paint, is made up of the raw material of following parts by weight: graphite powder 46 parts, 13 parts, diatomite, lauryl sodium sulfate 8 parts, titanium dioxide 3 parts, polyimides 5 parts, acrylic resin 8 parts, stearmide 12 parts and ethanol 24 parts.
The preparation method of described a kind of graphite powder cast paint, the graphite powder and titanium dioxide, diatomite and lauryl sodium sulfate of crossing 200 mesh sieves are proportionally placed in ball mill dry ball milling 2-3h, wherein, material ball ratio is 1:3-5, the material obtained after pulverizing is placed in mixer with binding agent, acrylic resin and is fully uniformly mixed together with stearmide, finally slowly add ethanol, after fully stirring, obtain graphite powder cast paint.Wherein, the speed of mixer is 90-120 rev/min.
The beneficial effect that the present invention reaches:
Graphite powder cast paint of the present invention take graphite powder as primary raw material, good heat-insulation effect, with the addition of diatomite, lauryl sodium sulfate, titanium dioxide, binding agent, acrylic resin and stearmide, each composition synergy, improve the adhesive force of coating, thus prevent the scab phenomenon of foundry goods, prove, when the weight ratio of stearmide and ethanol is 1:2 through test, the suspendability of coating is best, coating raw material abundance of the present invention, nontoxic environmental protection, is particularly useful for the casting of carbon steel.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Embodiment 1
In the present embodiment, a kind of graphite powder cast paint, be made up of the raw material of following parts by weight: graphite powder 46 parts, 13 parts, diatomite, lauryl sodium sulfate 8 parts, titanium dioxide 3 parts, polyimides 5 parts, acrylic resin 8 parts, stearmide 12 parts and ethanol 24 parts, wherein, graphite powder and titanium dioxide cross 200 mesh sieves; In described diatomite, the content of silica is greater than 90%, and the content of iron oxide is 1-1.5%.
The preparation method of described a kind of graphite powder cast paint, the graphite powder and titanium dioxide, diatomite and lauryl sodium sulfate of crossing 200 mesh sieves are proportionally placed in ball mill dry ball milling 3h, wherein, material ball ratio is 1:3, the material obtained after pulverizing is placed in mixer with polyimides, acrylic resin and is fully uniformly mixed together with stearmide, finally slowly add ethanol, after fully stirring, obtain graphite powder cast paint.Wherein, the speed of mixer is 120 revs/min.
Embodiment 2
In the present embodiment, a kind of graphite powder cast paint, be made up of the raw material of following parts by weight: graphite powder 40 parts, 15 parts, diatomite, lauryl sodium sulfate 6 parts, titanium dioxide 5 parts, epoxy resin and 2 parts, phenolic resins, acrylic resin 10 parts, stearmide 10 parts and ethanol 20 parts, wherein, the weight ratio of epoxy resin and phenolic resins is 1:1, graphite powder and titanium dioxide cross 200 mesh sieves, and in described diatomite, the content of silica is greater than 90%, and the content of iron oxide is 1-1.5%.
The preparation method of described a kind of graphite powder cast paint, the graphite powder and titanium dioxide, diatomite and lauryl sodium sulfate of crossing 200 mesh sieves are proportionally placed in ball mill dry ball milling 2h, wherein, material ball ratio is 1:5, the material obtained after pulverizing is placed in mixer with epoxy resin, phenolic resins, acrylic resin and is fully uniformly mixed together with stearmide, finally slowly add ethanol, after fully stirring, obtain graphite powder cast paint.Wherein, the speed of mixer is 90 revs/min.
Embodiment 3
In the present embodiment, a kind of graphite powder cast paint, be made up of the raw material of following parts by weight: graphite powder 50 parts, 10 parts, diatomite, lauryl sodium sulfate 9 parts, titanium dioxide 2 parts, vegetable oil 6 parts, acrylic resin 5 parts, stearmide 15 parts and ethanol 30 parts, wherein graphite powder and titanium dioxide cross 200 mesh sieves, in described diatomite, the content of silica is greater than 90%, and the content of iron oxide is 1-1.5%.
The preparation method of described a kind of graphite powder cast paint, the graphite powder and titanium dioxide, diatomite and lauryl sodium sulfate of crossing 200 mesh sieves are proportionally placed in ball mill dry ball milling 3h, wherein, material ball ratio is 1:4, the material obtained after pulverizing is placed in mixer with vegetable oil, acrylic resin and is fully uniformly mixed together with stearmide, finally slowly add ethanol, after fully stirring, obtain graphite powder cast paint.Wherein, the speed of mixer is 100 revs/min.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (4)
1. a graphite powder cast paint, it is characterized in that, be made up of the raw material of following parts by weight: graphite powder 40-50 part, diatomite 10-15 part, lauryl sodium sulfate 6-9 part, titanium dioxide 2-5 part, binding agent 2-6 part, acrylic resin 5-10 part, stearmide 10-15 part and ethanol 20-30 part, wherein graphite powder and titanium dioxide cross 200 mesh sieves, and the weight ratio of described stearmide and ethanol is 1:2; In described diatomite, the content of silica is greater than 90%, and the content of iron oxide is 1-1.5%; Described binding agent is one or more in epoxy resin, phenolic resins, vegetable oil or polyimides.
2. a kind of graphite powder cast paint according to claim 1, it is characterized in that, be made up of the raw material of following parts by weight: graphite powder 46 parts, 13 parts, diatomite, lauryl sodium sulfate 8 parts, titanium dioxide 3 parts, polyimides 5 parts, acrylic resin 8 parts, stearmide 12 parts and ethanol 24 parts.
3. the preparation method of a kind of graphite powder cast paint according to claim 1, it is characterized in that, the graphite powder and titanium dioxide, diatomite and lauryl sodium sulfate of crossing 200 mesh sieves are proportionally placed in ball mill dry ball milling 2-3h, wherein, material ball ratio is 1:3-5, the material obtained after pulverizing is placed in mixer with binding agent, acrylic resin and is fully uniformly mixed together with stearmide, finally slowly adds ethanol, obtains graphite powder cast paint after fully stirring.
4. the preparation method of a kind of graphite powder cast paint according to claim 3, is characterized in that, the speed of mixer is 90-120 rev/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410366965.2A CN104117628B (en) | 2014-07-30 | 2014-07-30 | A kind of graphite powder cast paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410366965.2A CN104117628B (en) | 2014-07-30 | 2014-07-30 | A kind of graphite powder cast paint and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104117628A CN104117628A (en) | 2014-10-29 |
| CN104117628B true CN104117628B (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410366965.2A Expired - Fee Related CN104117628B (en) | 2014-07-30 | 2014-07-30 | A kind of graphite powder cast paint and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104117628B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801662A (en) * | 2015-05-12 | 2015-07-29 | 芜湖市容川机电科技有限公司 | Graphite-powder casting coating |
| CN104959530A (en) * | 2015-06-18 | 2015-10-07 | 和县科嘉阀门铸造有限公司 | Nano titanium dioxide improved pasty demolding agent for valve casting |
| CN107433322A (en) * | 2017-05-24 | 2017-12-05 | 禹州市伟朔机械制造厂 | A kind of cast paint |
| CN107695287A (en) * | 2017-08-25 | 2018-02-16 | 南通德诺尔石墨设备有限公司 | A kind of expansible graphite alcohol-base foundry coating |
| CN107695288A (en) * | 2017-08-25 | 2018-02-16 | 南通德诺尔石墨设备有限公司 | A kind of graphite cast paint |
| CN107486539A (en) * | 2017-08-25 | 2017-12-19 | 南通德诺尔石墨设备有限公司 | A kind of expansible graphite alcohol-base foundry coating |
| CN107470550A (en) * | 2017-08-25 | 2017-12-15 | 南通德诺尔石墨设备有限公司 | A kind of graphite cast paint |
| CN107584070A (en) * | 2017-08-25 | 2018-01-16 | 南通德诺尔石墨设备有限公司 | A kind of graphite cast paint |
| CN107414018A (en) * | 2017-08-25 | 2017-12-01 | 南通德诺尔石墨设备有限公司 | A kind of expansible graphite alcohol-base foundry coating |
| CN107486538A (en) * | 2017-08-25 | 2017-12-19 | 南通德诺尔石墨设备有限公司 | A kind of expansible graphite alcohol-base foundry coating |
| CN107433323A (en) * | 2017-08-25 | 2017-12-05 | 南通德诺尔石墨设备有限公司 | A kind of graphite cast paint |
| CN108160928A (en) * | 2018-01-02 | 2018-06-15 | 湖南精量重工科技有限公司 | A kind of resin sand core manufacturing craft |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232648A (en) * | 1983-06-13 | 1984-12-27 | Honda Motor Co Ltd | Mold coating material for forging molten metal |
| CN101195146A (en) * | 2007-12-19 | 2008-06-11 | 济南圣泉集团股份有限公司 | Coal ash casting paint |
| CN101941048B (en) * | 2010-09-03 | 2012-07-04 | 吴江市液铸液压件铸造有限公司 | Graphite paste coating |
| CN102836952A (en) * | 2012-08-31 | 2012-12-26 | 太仓科博尔精密铸业有限公司 | Resin sand type casting coating and preparation method thereof |
| CN103521697B (en) * | 2013-09-27 | 2016-01-20 | 无锡阳工机械制造有限公司 | A kind of graphite cast paint |
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2014
- 2014-07-30 CN CN201410366965.2A patent/CN104117628B/en not_active Expired - Fee Related
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| CN104117628A (en) | 2014-10-29 |
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