CN104289664A - High-cost performance alcohol-based foundry coating and preparation method thereof - Google Patents
High-cost performance alcohol-based foundry coating and preparation method thereof Download PDFInfo
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- CN104289664A CN104289664A CN201410523508.XA CN201410523508A CN104289664A CN 104289664 A CN104289664 A CN 104289664A CN 201410523508 A CN201410523508 A CN 201410523508A CN 104289664 A CN104289664 A CN 104289664A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
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Abstract
The invention discloses a high-cost performance alcohol-based foundry coating. The high-cost performance alcohol-based foundry coating is characterized by being prepared from the following raw materials in parts by weight: 75-90 parts of emery, 2.3-4.5 parts of silica gel powder, 4.1-6.2 parts of asbestos powder, 3-5 parts of attapulgite, 1.2-3.1 parts of E12 epoxy resin, 2.4-3.6 parts of phenolic resin, 1-2 parts of polybenzimidazole fiber, 0.4-0.7 parts of coco fatty acid diethanol amide, 0.7-0.9 parts of butadiene styrene rubber, 12-15 parts of shrimp shell, 11-13 parts of flaxseed meal, 1-3 parts of rosin, 45-60 parts of ethanol and 2-4 parts of auxiliaries. According to the high-cost performance alcohol-based foundry coating, the shrimp shell and the flaxseed meal are added to the raw materials after being specially treated, so that the production cost of the coating is reduced and various performance indexes of the coating are also increased; the obtained coating has the advantages of high cost performance, high-temperature resistance, good suspension property and the like, and is suitable for large-scale industrial production.
Description
Technical field
The present invention relates to cast paint field, be specifically related to high alcohol-base foundry coating of a kind of cost performance 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 made up of the material of multiple different in kind, its composition mainly comprises the compositions such as refractory material, suspending agent, carrier, binding agent and special additive.Require that coating has good processing performance, service behaviour, quality stability and applies reappearance when acting on foundry goods, can play heat insulation on the one hand, equalization temperature, exempt the object of the impingment corrosion of molten metal, the defect such as cracking, sand holes, white iron formation that can prevent cast product from causing because Local cooling is too fast on the other hand.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 through lighting after application, does not need to dry, and can shorten the production cycle, Simplified flowsheet, reduces drying plant investment, is be cast a kind of quick drying paint that boundary widely uses, has been widely used in the production of steel, iron, coloured foundry goods.
But alcohol-base foundry coating has many defects in prior art, such as: suspension stability is poor, in long-distance transport and deposit easy layering in process, resistance to elevated temperatures is poor, hardness is low, low, the anti-stick grittiness of poor chemical stability, anti-metal performance of flushing is weak, make alcohol-base foundry coating function singleness, cannot large-scale industrial production be met.
Summary of the invention
Object of the present invention is just to provide high alcohol-base foundry coating of a kind of cost performance and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
The alcohol-base foundry coating that a kind of cost performance is high, it is characterized in that, be made up of the raw material of following weight portion: diamond dust 75-90, silica white 2.3-4.5, flake asbestos 4.1-6.2, convex Attapulgite 3-5, E12 epoxy resin 1.2-3.1, phenolic resins 2.4-3.6, PBI fibre 1-2, lauric acid amide of ethanol 0.4-0.7, butadiene-styrene rubber 0.7-0.9, shrimp shell 12-15, flaxseed meal 11-13, rosin 1-3, ethanol 145-160, auxiliary agent 2-4.
Described auxiliary agent is made up of following raw materials in part by weight: shrimp shell 8-13, pearl mica 75-85, hydrotalcite 55-70, sodium phosphate trimer 0.1-0.4, organobentonite 1-2, thymol 0.2-0.4, dimethicone 2-4, 1-Methoxy-2-propyl acetate 0.3-0.6, nano silicon 0.8-2.1, brown iron oxide 3-6, polyethylene glycol oxide 2.3-3.1, brown sugar 1.2-3.5, suitable quantity of water, its preparation method is: by shrimp shell, pearl mica, hydrotalcite is put into calcining furnace and calcine 2-3 hour at 540-670 DEG C, take out, the hydrochloric acid solution putting into 8-12% soaks 4-5 hour, filter and take out, use clear water cyclic washing, dry and pulverize, be added to the water, simultaneously, add polyethylene glycol oxide, brown iron oxide grinds, spraying dry obtains xeraphium, organobentonite, sodium phosphate trimer are joined 1-Methoxy-2-propyl acetate high speed and stir 10-20 minute, adds dimethicone, nano silicon high-speed stirred 20-30 minute successively, until fineness reaches the organobentonite that less than 50 μm obtain modification, xeraphium, organic modified bentonite, thymol, brown sugar are added suitable quantity of water grinding granulation, dries and get final product.
The preparation method of the alcohol-base foundry coating that described a kind of cost performance is high, is characterized in that comprising the following steps:
(1) shrimp shell, flaxseed meal are put into retort calcination processing 3-4 hour at 360-450 DEG C after drying, take out, the hydrochloric acid solution putting into 10-12% soaks 3-6 hour, filters and takes out, use clear water cyclic washing, dries and pulverizes, the composite powder of obtained modification;
(2) modification composite powder above-mentioned steps obtained stirs pulping and is heated to 120-130 DEG C together with the ethanol of convex Attapulgite, 1/4 weight, add E12 epoxy resin, phenolic resins, butadiene-styrene rubber maintenance temperature stirring 1-2 hour, be cooled to 50-60 DEG C and add lauric acid amide of ethanol grinding 30-40 minute;
(3) ethanol of silica white and 1/5 weight is stirred, leave standstill 7-10 hour, then add PBI fibre, rosin heating stirs 30-40 minute to 70-80 DEG C;
(4) diamond dust is dropped in reactor, add the ethanol slowly agitation grinding 10-15 minute of flake asbestos and surplus, add step (2), (3) product, auxiliary agent again, temperature of reaction kettle is slowly risen to 75-85 DEG C simultaneously, keep temperature to stir 20-40 minute, grinding is until fineness reaches less than 50 μm.
The present invention has following beneficial effect: shrimp shell, flaxseed meal add in raw material through specially treated by the present invention, the production cost reducing coating also improves the property indices of coating, obtained coating has the advantages such as cost performance is high, high temperature resistant, suspension is good, is applicable to large-scale industrial production.
Detailed description of the invention
The alcohol-base foundry coating that described a kind of cost performance is high, it is characterized in that, be made up of the raw material of following weight portion: diamond dust 79, silica white 2.3, flake asbestos 4.1, convex Attapulgite 5, E12 epoxy resin 1.2, phenolic resins 2.4, PBI fibre 1, lauric acid amide of ethanol 0.4, butadiene-styrene rubber 0.7, shrimp shell 12, flaxseed meal 11, rosin 1, ethanol 145, auxiliary agent 2.
Described auxiliary agent is made up of following raw materials in part by weight: shrimp shell 11, pearl mica 78, hydrotalcite 57, sodium phosphate trimer 0.14, organobentonite 1, thymol 0.2, dimethicone 2, 1-Methoxy-2-propyl acetate 0.3, nano silicon 1.1, brown iron oxide 3, polyethylene glycol oxide 2.3, brown sugar 1.5, suitable quantity of water, its preparation method is: by shrimp shell, pearl mica, hydrotalcite is put into calcining furnace and calcine 2-3 hour at 540-670 DEG C, take out, the hydrochloric acid solution putting into 8-12% soaks 4-5 hour, filter and take out, use clear water cyclic washing, dry and pulverize, be added to the water, simultaneously, add polyethylene glycol oxide, brown iron oxide grinds, spraying dry obtains xeraphium, organobentonite, sodium phosphate trimer are joined 1-Methoxy-2-propyl acetate high speed and stir 10-20 minute, adds dimethicone, nano silicon high-speed stirred 20-30 minute successively, until fineness reaches the organobentonite that less than 50 μm obtain modification, xeraphium, organic modified bentonite, thymol, brown sugar are added suitable quantity of water grinding granulation, dries and get final product.
Preparation method comprises the following steps:
(1) shrimp shell, flaxseed meal are put into retort calcination processing 3-4 hour at 360-450 DEG C after drying, take out, the hydrochloric acid solution putting into 10-12% soaks 3-6 hour, filters and takes out, use clear water cyclic washing, dries and pulverizes, the composite powder of obtained modification;
(2) modification composite powder above-mentioned steps obtained stirs pulping and is heated to 120-130 DEG C together with the ethanol of convex Attapulgite, 1/4 weight, add E12 epoxy resin, phenolic resins, butadiene-styrene rubber maintenance temperature stirring 1-2 hour, be cooled to 50-60 DEG C and add lauric acid amide of ethanol grinding 30-40 minute;
(3) ethanol of silica white and 1/5 weight is stirred, leave standstill 7-10 hour, then add PBI fibre, rosin heating stirs 30-40 minute to 70-80 DEG C;
(4) diamond dust is dropped in reactor, add the ethanol slowly agitation grinding 10-15 minute of flake asbestos and surplus, add step (2), (3) product, auxiliary agent again, temperature of reaction kettle is slowly risen to 75-85 DEG C simultaneously, keep temperature to stir 20-40 minute, grinding is until fineness reaches less than 50 μm.
The technical indicator of being processed the cast paint obtained by above-described embodiment is as follows:
(1) solid content: suitably;
(2) 24 hours coating suspension rates are placed: 98.7%;
(3) coating density: 1.64g/cm
3;
(4) normal temperature strength of coating: 760g/mm;
(5) the normal temperature gas permeability of coating: 13cm
2(kpamin)
-1.
Claims (2)
1. the alcohol-base foundry coating that a cost performance is high, it is characterized in that, be made up of the raw material of following weight portion: diamond dust 75-90, silica white 2.3-4.5, flake asbestos 4.1-6.2, convex Attapulgite 3-5, E12 epoxy resin 1.2-3.1, phenolic resins 2.4-3.6, PBI fibre 1-2, lauric acid amide of ethanol 0.4-0.7, butadiene-styrene rubber 0.7-0.9, shrimp shell 12-15, flaxseed meal 11-13, rosin 1-3, ethanol 145-160, auxiliary agent 2-4, described auxiliary agent is made up of following raw materials in part by weight: shrimp shell 8-13, pearl mica 75-85, hydrotalcite 55-70, sodium phosphate trimer 0.1-0.4, organobentonite 1-2, thymol 0.2-0.4, dimethicone 2-4, 1-Methoxy-2-propyl acetate 0.3-0.6, nano silicon 0.8-2.1, brown iron oxide 3-6, polyethylene glycol oxide 2.3-3.1, brown sugar 1.2-3.5, suitable quantity of water, its preparation method is: by shrimp shell, pearl mica, hydrotalcite is put into calcining furnace and calcine 2-3 hour at 540-670 DEG C, take out, the hydrochloric acid solution putting into 8-12% soaks 4-5 hour, filter and take out, use clear water cyclic washing, dry and pulverize, be added to the water, simultaneously, add polyethylene glycol oxide, brown iron oxide grinds, spraying dry obtains xeraphium, organobentonite, sodium phosphate trimer are joined 1-Methoxy-2-propyl acetate high speed and stir 10-20 minute, adds dimethicone, nano silicon high-speed stirred 20-30 minute successively, until fineness reaches the organobentonite that less than 50 μm obtain modification, xeraphium, organic modified bentonite, thymol, brown sugar are added suitable quantity of water grinding granulation, dries and get final product.
2. the preparation method of the alcohol-base foundry coating that a kind of cost performance according to claim 1 is high, is characterized in that comprising the following steps:
(1) shrimp shell, flaxseed meal are put into retort calcination processing 3-4 hour at 360-450 DEG C after drying, take out, the hydrochloric acid solution putting into 10-12% soaks 3-6 hour, filters and takes out, use clear water cyclic washing, dries and pulverizes, the composite powder of obtained modification;
(2) modification composite powder above-mentioned steps obtained stirs pulping and is heated to 120-130 DEG C together with the ethanol of convex Attapulgite, 1/4 weight, add E12 epoxy resin, phenolic resins, butadiene-styrene rubber maintenance temperature stirring 1-2 hour, be cooled to 50-60 DEG C and add lauric acid amide of ethanol grinding 30-40 minute;
(3) ethanol of silica white and 1/5 weight is stirred, leave standstill 7-10 hour, then add PBI fibre, rosin heating stirs 30-40 minute to 70-80 DEG C;
(4) diamond dust is dropped in reactor, add the ethanol slowly agitation grinding 10-15 minute of flake asbestos and surplus, add step (2), (3) product, auxiliary agent again, temperature of reaction kettle is slowly risen to 75-85 DEG C simultaneously, keep temperature to stir 20-40 minute, grinding is until fineness reaches less than 50 μm.
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| CN201410523508.XA CN104289664A (en) | 2014-10-08 | 2014-10-08 | High-cost performance alcohol-based foundry coating and preparation method thereof |
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| CN201410523508.XA CN104289664A (en) | 2014-10-08 | 2014-10-08 | High-cost performance alcohol-based foundry coating and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047035A (en) * | 2016-07-07 | 2016-10-26 | 安庆宜源石油机械配件制造有限责任公司 | High-strength coating for oil well drill pipe |
| CN106189648A (en) * | 2016-07-07 | 2016-12-07 | 安庆宜源石油机械配件制造有限责任公司 | A kind of wear-resisting oil drill rocker |
| CN106189647A (en) * | 2016-07-07 | 2016-12-07 | 安庆宜源石油机械配件制造有限责任公司 | A kind of anti-sour formula oil drill rocker |
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| JPS62168636A (en) * | 1986-01-20 | 1987-07-24 | Kao Corp | Coating material for mandrel of casting mold |
| 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 |
| CN101288898A (en) * | 2008-04-29 | 2008-10-22 | 即墨市海隆机械有限公司 | Production method of casting alcohol based paints using resin bonded sand |
| CN101607298A (en) * | 2009-07-02 | 2009-12-23 | 沈阳铸造研究所 | A kind of attapulgite suspending agent for casting alcohol-based coating and preparation method |
| CN101985156A (en) * | 2010-11-08 | 2011-03-16 | 哈尔滨理工大学 | Alcohol-based coating for magnesium alloy casting and processing method thereof |
| CN102407279A (en) * | 2011-11-29 | 2012-04-11 | 朱小英 | Method for preparing water-based coating for sand mold casting |
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2014
- 2014-10-08 CN CN201410523508.XA patent/CN104289664A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62168636A (en) * | 1986-01-20 | 1987-07-24 | Kao Corp | Coating material for mandrel of casting mold |
| 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 |
| CN101288898A (en) * | 2008-04-29 | 2008-10-22 | 即墨市海隆机械有限公司 | Production method of casting alcohol based paints using resin bonded sand |
| CN101607298A (en) * | 2009-07-02 | 2009-12-23 | 沈阳铸造研究所 | A kind of attapulgite suspending agent for casting alcohol-based coating and preparation method |
| CN101985156A (en) * | 2010-11-08 | 2011-03-16 | 哈尔滨理工大学 | Alcohol-based coating for magnesium alloy casting and processing method thereof |
| CN102407279A (en) * | 2011-11-29 | 2012-04-11 | 朱小英 | Method for preparing water-based coating for sand mold casting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047035A (en) * | 2016-07-07 | 2016-10-26 | 安庆宜源石油机械配件制造有限责任公司 | High-strength coating for oil well drill pipe |
| CN106189648A (en) * | 2016-07-07 | 2016-12-07 | 安庆宜源石油机械配件制造有限责任公司 | A kind of wear-resisting oil drill rocker |
| CN106189647A (en) * | 2016-07-07 | 2016-12-07 | 安庆宜源石油机械配件制造有限责任公司 | A kind of anti-sour formula oil drill rocker |
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Application publication date: 20150121 |