CN104399869A - Alcohol-based mica/montmorillonite composite casting paint and manufacturing method thereof - Google Patents

Alcohol-based mica/montmorillonite composite casting paint and manufacturing method thereof Download PDF

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Publication number
CN104399869A
CN104399869A CN201410622809.8A CN201410622809A CN104399869A CN 104399869 A CN104399869 A CN 104399869A CN 201410622809 A CN201410622809 A CN 201410622809A CN 104399869 A CN104399869 A CN 104399869A
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Prior art keywords
parts
mica
alcohol
add
ethanol
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Application number
CN201410622809.8A
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CN104399869B (en
Inventor
黄浩
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Sichuan Swate Technology Co ltd
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Wuhu Hongkun Auto Parts Co Ltd
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Priority to CN201410622809.8A priority Critical patent/CN104399869B/en
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Publication of CN104399869B publication Critical patent/CN104399869B/en
Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C3/00Selection of compositions for coating the surfaces of moulds, cores, or patterns

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Paints Or Removers (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses an alcohol-based mica/montmorillonite composite casting paint, which is characterized by being composed of the following raw materials in parts by weight: 60 to 80 parts of mica, 30 to 40 parts of montmorillonite, 1 to 3 parts of barium sulfate, 1 to 2 parts of calcium sulfate, 2 to 4 parts of melamine formaldehyde resin, 0.3 to 0.5 part of gamma-(2,3-epoxypropoxyl)propyl trimethoxy silane, 0.1 to 0.3 part of antioxidant 711, 3 to 5 parts of sodium alginate, 17 to 19 parts of cattle manure, 5 to 8 parts of ethyl silicate, 45 to 60 parts of ethanol, and 3 to 7 parts of auxiliary agent. The raw materials are simple and pollution-free, the technology is simple and is easy to operate, and the prepared paint has a very good suspension property and high temperature strength.

Description

Alcohol-base foundry coating of a kind of mica/montmorillonite Composite and preparation method thereof
Technical field
The present invention relates to cast paint field, be specifically related to alcohol-base foundry coating of a kind of mica/montmorillonite Composite 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 alcohol-base foundry coating of a kind of mica/montmorillonite Composite 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 alcohol-base foundry coating of mica/montmorillonite Composite, it is characterized in that, be made up of the raw material of following weight portion: mica 60-80, imvite 30-40, barium sulfate 1-3, calcium sulfate 1-2, melamine resin 2-4, γ-(2,3-glycidoxy) propyl trimethoxy silicane 0.3-0.5, antioxidant 711 0.1-0.3, sodium alginate 3-5, cow dung 17-19, silester 5-8, ethanol 45-60, auxiliary agent 3-7.
Described auxiliary agent is made up of following raw materials in part by weight: plant ash 15-17, graphite 85-100, ice crystal 20-25, cyclodextrin 1.4-3.6, natural coating agent which has to be dissolved in alcohol before use 2.4-3.8, ethanol 25-30, lithium bentonite 1-2, nanometer silicon carbide 0.7-1.3, brown iron oxide 2.1-3.6, nano-calcium carbonate 3-5, chitin 0.9-2.1, paper pulp 12-17, suitable quantity of water, its preparation method is by graphite, ice crystal is put into calcining furnace and calcine 2-3 hour at 550-680 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, add water stirring pulping, simultaneously, add brown iron oxide, nano-calcium carbonate grinds, spraying dry obtains xeraphium, cyclodextrin, natural coating agent which has to be dissolved in alcohol before use are joined in ethanol and heat stirring and dissolving, adds plant ash, lithium bentonite, nanometer silicon carbide high-speed stirred 10-20 minute, until fineness reaches the lithium bentonite that less than 50 μm obtain modification, xeraphium, modification lithium bentonite, chitin, paper pulp are added suitable quantity of water grinding granulation, dries and get final product.
The preparation method of the alcohol-base foundry coating of described a kind of mica/montmorillonite Composite, is characterized in that comprising the following steps:
(1) put into retort calcination processing 3-4 hour at 450-550 DEG C after cow dung being dried, 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 cow dung of obtained modification;
(2) modification cow dung above-mentioned steps obtained is stirred pulping and is heated to 140-160 DEG C together with the ethanol of imvite, 1/4 weight, add melamine resin, γ-(2,3-glycidoxy) propyl trimethoxy silicane maintenance temperature stirring 1-2 hour, be cooled to 50-60 DEG C and add barium sulfate, calcium sulfate grinding 30-40 minute;
(3) mica is pulverized in input reactor, add the ethanol agitation grinding 10-15 minute of silester and surplus, add step (2) product, sodium alginate, antioxidant 711, 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: raw material of the present invention is simply pollution-free, simple process convenient operation, and obtained coating has good suspension and elevated temperature strength.
Detailed description of the invention
The alcohol-base foundry coating of described a kind of mica/montmorillonite Composite, it is characterized in that, be made up of the raw material of following weight portion: mica 68, imvite 30, barium sulfate 1, calcium sulfate 1, melamine resin 4, γ-(2,3-glycidoxy) propyl trimethoxy silicane 0.35, antioxidant 711 0.3, sodium alginate 5, cow dung 17, silester 5, ethanol 45, auxiliary agent 7.
Described auxiliary agent is made up of following raw materials in part by weight: plant ash 17, graphite 89, ice crystal 22, cyclodextrin 1.6, natural coating agent which has to be dissolved in alcohol before use 2.4, ethanol 25, lithium bentonite 1, nanometer silicon carbide 0.8, brown iron oxide 2.5, nano-calcium carbonate 3, chitin 0.9, paper pulp 12, suitable quantity of water, its preparation method is by graphite, ice crystal is put into calcining furnace and calcine 2-3 hour at 550-680 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, add water stirring pulping, simultaneously, add brown iron oxide, nano-calcium carbonate grinds, spraying dry obtains xeraphium, cyclodextrin, natural coating agent which has to be dissolved in alcohol before use are joined in ethanol and heat stirring and dissolving, adds plant ash, lithium bentonite, nanometer silicon carbide high-speed stirred 10-20 minute, until fineness reaches the lithium bentonite that less than 50 μm obtain modification, xeraphium, modification lithium bentonite, chitin, paper pulp are added suitable quantity of water grinding granulation, dries and get final product.
Preparation method comprises the following steps:
(1) put into retort calcination processing 3-4 hour at 450-550 DEG C after cow dung being dried, 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 cow dung of obtained modification;
(2) modification cow dung above-mentioned steps obtained is stirred pulping and is heated to 140-160 DEG C together with the ethanol of imvite, 1/4 weight, add melamine resin, γ-(2,3-glycidoxy) propyl trimethoxy silicane maintenance temperature stirring 1-2 hour, be cooled to 50-60 DEG C and add barium sulfate, calcium sulfate grinding 30-40 minute;
(3) mica is pulverized in input reactor, add the ethanol agitation grinding 10-15 minute of silester and surplus, add step (2) product, sodium alginate, antioxidant 711, 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) gas forming amount: 12 mL/g;
(2) 24 hours coating suspension rates are placed: 98.6%;
(3) intensity of paint coatings after 1200 DEG C of roastings: 710g/mm.

Claims (2)

1. the alcohol-base foundry coating of mica/montmorillonite Composite, it is characterized in that, be made up of the raw material of following weight portion: mica 60-80, imvite 30-40, barium sulfate 1-3, calcium sulfate 1-2, melamine resin 2-4, γ-(2,3-glycidoxy) propyl trimethoxy silicane 0.3-0.5, antioxidant 711 0.1-0.3, sodium alginate 3-5, cow dung 17-19, silester 5-8, ethanol 45-60, auxiliary agent 3-7, described auxiliary agent is made up of following raw materials in part by weight: plant ash 15-17, graphite 85-100, ice crystal 20-25, cyclodextrin 1.4-3.6, natural coating agent which has to be dissolved in alcohol before use 2.4-3.8, ethanol 25-30, lithium bentonite 1-2, nanometer silicon carbide 0.7-1.3, brown iron oxide 2.1-3.6, nano-calcium carbonate 3-5, chitin 0.9-2.1, paper pulp 12-17, suitable quantity of water, its preparation method is by graphite, ice crystal is put into calcining furnace and calcine 2-3 hour at 550-680 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, add water stirring pulping, simultaneously, add brown iron oxide, nano-calcium carbonate grinds, spraying dry obtains xeraphium, cyclodextrin, natural coating agent which has to be dissolved in alcohol before use are joined in ethanol and heat stirring and dissolving, adds plant ash, lithium bentonite, nanometer silicon carbide high-speed stirred 10-20 minute, until fineness reaches the lithium bentonite that less than 50 μm obtain modification, xeraphium, modification lithium bentonite, chitin, paper pulp are added suitable quantity of water grinding granulation, dries and get final product.
2. the preparation method of the alcohol-base foundry coating of a kind of mica/montmorillonite Composite according to claim 1, is characterized in that comprising the following steps:
(1) put into retort calcination processing 3-4 hour at 450-550 DEG C after cow dung being dried, 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 cow dung of obtained modification;
(2) modification cow dung above-mentioned steps obtained is stirred pulping and is heated to 140-160 DEG C together with the ethanol of imvite, 1/4 weight, add melamine resin, γ-(2,3-glycidoxy) propyl trimethoxy silicane maintenance temperature stirring 1-2 hour, be cooled to 50-60 DEG C and add barium sulfate, calcium sulfate grinding 30-40 minute;
(3) mica is pulverized in input reactor, add the ethanol agitation grinding 10-15 minute of silester and surplus, add step (2) product, sodium alginate, antioxidant 711, 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.
CN201410622809.8A 2014-11-08 2014-11-08 A kind of alcohol-base foundry coating of Muscovitum/montmorillonite Composite and preparation method thereof Expired - Fee Related CN104399869B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105665619A (en) * 2016-03-14 2016-06-15 西安建筑科技大学 Compound suspending agent for fly ash casting coating material and preparation method of compound suspending agent
CN105728640A (en) * 2016-04-27 2016-07-06 霍邱县鑫瑞金属制品有限责任公司 High-strength and high-toughness water-based lost foam coating for magnesium alloy casting and preparation method thereof
CN106391994A (en) * 2016-04-27 2017-02-15 霍邱县鑫瑞金属制品有限责任公司 High-bonding force water-based EPC paint for magnesium alloy casting and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747548A (en) * 1980-09-04 1982-03-18 Toshiba Mach Co Ltd Oily mold coating material
CN101502868A (en) * 2009-03-06 2009-08-12 靖江市黎明铸造材料厂 Centrifugal casting radiant tube paint and preparation method thereof
CN102430702A (en) * 2011-11-29 2012-05-02 朱小英 Centrifugal cast pipe metal type paint
CN103056289A (en) * 2013-01-25 2013-04-24 马鞍山市华达冶金机械有限公司 Casting paint for high-chromium cast iron and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747548A (en) * 1980-09-04 1982-03-18 Toshiba Mach Co Ltd Oily mold coating material
CN101502868A (en) * 2009-03-06 2009-08-12 靖江市黎明铸造材料厂 Centrifugal casting radiant tube paint and preparation method thereof
CN102430702A (en) * 2011-11-29 2012-05-02 朱小英 Centrifugal cast pipe metal type paint
CN103056289A (en) * 2013-01-25 2013-04-24 马鞍山市华达冶金机械有限公司 Casting paint for high-chromium cast iron and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105665619A (en) * 2016-03-14 2016-06-15 西安建筑科技大学 Compound suspending agent for fly ash casting coating material and preparation method of compound suspending agent
CN105665619B (en) * 2016-03-14 2018-01-23 西安建筑科技大学 A kind of coal ash casting paint composite suspension agent and preparation method thereof
CN105728640A (en) * 2016-04-27 2016-07-06 霍邱县鑫瑞金属制品有限责任公司 High-strength and high-toughness water-based lost foam coating for magnesium alloy casting and preparation method thereof
CN106391994A (en) * 2016-04-27 2017-02-15 霍邱县鑫瑞金属制品有限责任公司 High-bonding force water-based EPC paint for magnesium alloy casting and preparation method thereof

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Effective date of registration: 20201214

Address after: 537100 Guigang (Taiwan) Industrial Park, qintang District, Guigang City, Guangxi Zhuang Autonomous Region

Patentee after: Guangxi Hemei New Energy Vehicle Technology Co.,Ltd.

Address before: 241000 Sanshan Village, Sanshan Street Office, Sanshan District, Wuhu City, Anhui Province

Patentee before: WUHU HONGKUN AUTO PARTS Co.,Ltd.

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Effective date of registration: 20210908

Address after: 618099 No.99, Zhujiang East Road, Jingyang District, Deyang City, Sichuan Province

Patentee after: Sichuan swate Technology Co.,Ltd.

Address before: 537100 Guigang (Taiwan) Industrial Park, qintang District, Guigang City, Guangxi Zhuang Autonomous Region

Patentee before: Guangxi Hemei New Energy Vehicle Technology Co.,Ltd.

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Granted publication date: 20160928

CF01 Termination of patent right due to non-payment of annual fee