CN100377811C - Alcohoh base casting coating material powder for concave convex rod - Google Patents
Alcohoh base casting coating material powder for concave convex rod Download PDFInfo
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- CN100377811C CN100377811C CNB2006100884703A CN200610088470A CN100377811C CN 100377811 C CN100377811 C CN 100377811C CN B2006100884703 A CNB2006100884703 A CN B2006100884703A CN 200610088470 A CN200610088470 A CN 200610088470A CN 100377811 C CN100377811 C CN 100377811C
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Abstract
The present invention discloses one kind of alcohol base attapulgite casting paint powder, which is prepared with sodide modified attapulgite, high alumina bauxite, graphite, magnesia, sodium silicate and polyglycol in certain weight proportion, and through mixing, grinding in mill and packing. In production site of foundry, the alcohol base attapulgite casting paint powder and alcohol are compounded to form the casting paint with no need of water initiation, high suspension rate, good brushing performance, no precipitate, no caking, good flowability and high sand adhesion resistance.
Description
Technical field:
The present invention relates to cast paint, be specifically related to a kind of production method of Alcohoh base casting coating material powder for concave convex rod.
Background technology:
Alcohol-base foundry coating has the production efficiency height, characteristics such as applied widely have begun to have obtained application, alcohol-base foundry coating dispersion suspension and poor stability in China's Foundry Production, in long-term storage and transportation, easily produce precipitation, influence the surface quality of foundry goods.
The suspending agent of alcohol-base foundry coating is selected attapulgite clay or bentonite mostly for use at present, attapulgite clay of supplying on the market or bentonite are with the product behind the direct abrasive dust of raw ore, do not handle owing to carry out modification, directly have influence on attapulgite clay or bentonitic dispersion suspension and stability.
Chinese patent Granted publication CN1164385, Granted publication day is on September 1st, 2004, name is called: " magnesium-alloy metal-type casting coating and preparation method ", disclose: " a kind of magnesium-alloy metal-type casting coating and preparation method, its chemical constituent mass percent is: talcum powder 3-8%, diatomite 2-5%, binding agent 1.5-4%, suspending agent 0.3-2%, fire retardant 2-7% and water 75-90%.Binding agent can be waterglass, Ludox or aluminum phosphate, and suspending agent can be attapulgite clay, palygorskite clay etc., and fire retardant can be NH ↓ [4] BF ↓ [4], KBF ↓ [4], sodium alkyl sulfonate and boric acid etc.The magnesium-alloy metal-type casting coating of the present invention's preparation, have stronger heat insulating ability, anti-flammability, caking property and coating, and have good suspension, be difficult for precipitation in the use, help obtaining the Mg alloy castings of any surface finish, non-oxidation elephant skin ".
Use the attapulgite clay do not have modification, palygorskite clay primary raw material in the foregoing invention, will reduce the suspension of " magnesium-alloy metal-type casting coating " as suspending agent.
Summary of the invention:
The objective of the invention is to overcome weak point in the prior art, provide a kind of production technology simple, cheap, suspensibility, plasticity, caking property, thixotropy and heat endurance be the production method of reasonable Alcohoh base casting coating material powder for concave convex rod all.
Concave-convex clay rod, graphite, high-aluminium vanadine, magnesia, sodium metasilicate and polyethylene glycol after Alcohoh base casting coating material powder for concave convex rod is handled by modification are formed.
Concave-convex clay rod has unique rod-like fibre crystal shape structure, formed space structure is difficult for being opened, viscosity can be up to more than the 3000mpa.s, dry post-shrinkage ratio is less, dryout or sintering after do not crack, after with sodium carbonate Concave-convex clay rod being carried out modification and handles, be better than other clay with its excellent caking property, suspension and thickening property, the refractoriness performance of Concave-convex clay rod is poor slightly.
Magnesia can improve Concave-convex clay rod and bentonitic dispersion viscosity, suspendability and refractoriness.
Graphite possesses good thermal conductivity, lubricity, acid and alkali-resistance and performance such as high temperature resistant.
High-aluminium vanadine has higher refractoriness, and Heat stability is good.
The sodium metasilicate cementitiousness derives from the silicon gel, so be widely used as binding agent, plays the effect that increases stability in the batching of Alcohoh base casting coating material powder for concave convex rod.
Polyethylene glycol is dissolved in ethanol, is a kind of surfactant, dispersant and emulsifying agent, can improve suspensibility, plasticity and the stability of Alcohoh base casting coating material powder for concave convex rod.
The present invention is achieved by following technical proposals:
1, the batching of Alcohoh base casting coating material powder for concave convex rod comprises following component by weight percentage: Concave-convex clay rod 55～85%, high-aluminium vanadine 5～25%, graphite 5～20%, magnesia 2～10%, sodium metasilicate 1～5% and polyethylene glycol 1～3% after modification is handled.
2, the production method of Alcohoh base casting coating material powder for concave convex rod is:
After at first Concave-convex clay rod and sodium carbonate being mixed according to the requirement of batching, import jointly and add water in the fermentation vat and carry out sodium and handle, the sodium processing time was controlled at 24～72 hours; Push in the Concave-convex clay rod input extruder after sodium is handled, and be compressed to tablet by twin rollers, the THICKNESS CONTROL of tablet is at 0.5～2.0 millimeter, tablet is transported to and carries out airing on the cement threshing ground, tablet after the airing is the Concave-convex clay rod after sodium modification is handled, its dispersion viscosity 〉=2200mPa.s, water content≤13%; Concave-convex clay rod, high-aluminium vanadine, graphite, magnesia, sodium metasilicate, polyethylene glycol after again sodium modification being handled mixes according to the requirement of preparing burden and stirs, the back input grinding machine that stirs carries out abrasive dust, grain fineness≤0.044 millimeter is packaged as finished product.
In the Foundry Works production scene, Alcohoh base casting coating material powder for concave convex rod and ethanol are mixed with the alcohol-based attapulgite cast paint according to specification requirement, do not need water to cause, have suspensibility height, brushing performance good, do not precipitate, do not lump, good fluidity and the strong characteristics of anti-stick grittiness.
The caking property of Alcohoh base casting coating material powder for concave convex rod, thixotropy, lubricity, refractoriness, flammability, heat endurance, hot green tensile strength and dry-pressing intensity all are greatly improved than other similar Alcohoh base casting coating material powder for concave convex rod.
The suspensibility of Alcohoh base casting coating material powder for concave convex rod in ethanol: 8 hours 〉=99.5%, 24 hour 〉=99.0%, 72 hour 〉=98.0%, 15 day 〉=95.0%.
The production method of Alcohoh base casting coating material powder for concave convex rod is applicable to the making alcohol-base foundry coating.
The specific embodiment:
Below in conjunction with embodiment, the invention will be further described:
1, the batching of Alcohoh base casting coating material powder for concave convex rod comprises following component by weight percentage: Concave-convex clay rod 70%, high-aluminium vanadine 14%, graphite 9%, magnesia 3%, sodium metasilicate 3% and polyethylene glycol 1% after modification is handled.
2, the production method of Alcohoh base casting coating material powder for concave convex rod is:
After at first Concave-convex clay rod and sodium carbonate being mixed according to the requirement of batching, import jointly and add water in the fermentation vat and carry out sodium and handle, the sodium processing time was controlled at 48 hours; Push in the Concave-convex clay rod input extruder after sodium is handled, and be compressed to tablet by twin rollers, the THICKNESS CONTROL of tablet is at 0.5～1.5 millimeter, tablet is transported to and carries out airing on the cement threshing ground, tablet after the airing is the Concave-convex clay rod after sodium modification is handled, its dispersion viscosity 〉=2200mPa.s, water content≤13%; Concave-convex clay rod, high-aluminium vanadine, graphite, magnesia, sodium metasilicate, polyethylene glycol after again sodium modification being handled mixes according to the requirement of preparing burden and stirs, the back input grinding machine that stirs carries out abrasive dust, grain fineness≤0.044 millimeter is packaged as finished product.
Claims (1)
1. the production method of an Alcohoh base casting coating material powder for concave convex rod, it is characterized in that, the production method of Alcohoh base casting coating material powder for concave convex rod is: the Concave-convex clay rod after sodium modification is handled, high-aluminium vanadine, graphite, magnesia, sodium metasilicate, polyethylene glycol mix according to the requirement of preparing burden and stir, the back input grinding machine that stirs carries out abrasive dust, grain fineness≤0.044 millimeter is packaged as finished product;
Concave-convex clay rod after described sodium modification is handled is: after Concave-convex clay rod and sodium carbonate are mixed according to the requirement of batching, import jointly and add water in the fermentation vat and carry out sodium and handle, the sodium processing time was controlled at 24～72 hours; Push in the Concave-convex clay rod input extruder after sodium is handled, and be compressed to tablet by twin rollers, the THICKNESS CONTROL of tablet is at 0.5～2.0 millimeter, tablet is transported to and carries out airing on the cement threshing ground, tablet after the airing is the Concave-convex clay rod after sodium modification is handled, its dispersion viscosity 〉=2200mPa.s, water content≤13%;
The batching of described Alcohoh base casting coating material powder for concave convex rod comprises following component by weight percentage: Concave-convex clay rod 55～85%, high-aluminium vanadine 5～25%, graphite 5～20%, magnesia 2～10%, sodium metasilicate 1～5% and polyethylene glycol 1～3% after modification is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100884703A CN100377811C (en) | 2006-08-25 | 2006-08-25 | Alcohoh base casting coating material powder for concave convex rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100884703A CN100377811C (en) | 2006-08-25 | 2006-08-25 | Alcohoh base casting coating material powder for concave convex rod |
Publications (2)
| Publication Number | Publication Date |
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| CN1911555A CN1911555A (en) | 2007-02-14 |
| CN100377811C true CN100377811C (en) | 2008-04-02 |
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| CNB2006100884703A Expired - Fee Related CN100377811C (en) | 2006-08-25 | 2006-08-25 | Alcohoh base casting coating material powder for concave convex rod |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879578B (en) * | 2010-06-18 | 2012-06-27 | 中国兵器工业第五二研究所 | Mold release agent for rare-earth magnesium alloy pressure casting and prepration method thereof |
| CN102424537B (en) * | 2011-09-06 | 2012-12-05 | 浙江大学 | Method for preparing aluminum phosphate compounded binding agent by using clay mineral as raw material |
| CN102371334B (en) * | 2011-10-11 | 2016-01-20 | 华文蔚 | A kind of preparation method of casting alcohol-based coating suspending agent |
| CN102371335B (en) * | 2011-10-11 | 2016-01-20 | 华文蔚 | A kind of preparation method of casting alcohol-based coating |
| CN102627341B (en) * | 2012-04-17 | 2013-06-12 | 西北师范大学 | Palygorskite-clay composite flocculating agent for adsorbing lignosulfonate in water phase and preparation thereof |
| CN102836949B (en) * | 2012-08-22 | 2014-12-31 | 成都银河动力有限公司 | Manufacturing method of heat insulation spray coating for centrifugally casting cylinder sleeve |
| CN104839459A (en) * | 2015-05-14 | 2015-08-19 | 江苏金泰源科技发展有限公司 | Production method for livestock feed additive capable of adsorbing vomitoxin and protecting intestinal tract |
| CN105033169A (en) * | 2015-07-27 | 2015-11-11 | 芜湖黄燕实业有限公司 | Anti-sedimentation release agent and preparation method thereof |
| CN106378414A (en) * | 2016-10-10 | 2017-02-08 | 佛山市高明区明城镇新能源新材料产业技术创新中心 | Casting paint good in liquidity, and preparing method and using method of paint |
| CN107414015B (en) * | 2017-08-08 | 2020-01-07 | 溧阳市北方机械有限公司 | Method for improving surface quality of iron casting |
| CN108480549A (en) * | 2018-05-18 | 2018-09-04 | 宜兴市东山新型材料有限公司 | A kind of casting alcohol based dry powder paint and preparation method thereof |
| CN111167997B (en) * | 2019-12-31 | 2021-04-27 | 南京信息工程大学 | Aluminum alloy water-based casting coating and preparation method thereof |
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| CN85100565A (en) * | 1985-04-01 | 1986-06-10 | 南京工学院 | Water-based self-drying polyvinyl alcohol coatings for casting |
| 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 |
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|---|---|---|---|---|
| CN85100565A (en) * | 1985-04-01 | 1986-06-10 | 南京工学院 | Water-based self-drying polyvinyl alcohol coatings for casting |
| 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 |
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| CN1911555A (en) | 2007-02-14 |
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