CN105602373A - Quick-dry fireproof paint for evanescent mold manufacturing - Google Patents

Quick-dry fireproof paint for evanescent mold manufacturing Download PDF

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Publication number
CN105602373A
CN105602373A CN201610091687.3A CN201610091687A CN105602373A CN 105602373 A CN105602373 A CN 105602373A CN 201610091687 A CN201610091687 A CN 201610091687A CN 105602373 A CN105602373 A CN 105602373A
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Prior art keywords
parts
add
heated
insulation
adds
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Pending
Application number
CN201610091687.3A
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Chinese (zh)
Inventor
何祥炎
孙国政
周万波
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Anhui Solid Fountry Co Ltd
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Anhui Solid Fountry Co Ltd
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Priority to CN201610091687.3A priority Critical patent/CN105602373A/en
Publication of CN105602373A publication Critical patent/CN105602373A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Mold Materials And Core Materials (AREA)
  • Lubricants (AREA)

Abstract

The invention discloses quick-dry fireproof paint for evanescent mold manufacturing and relates to the technical field of casting. The quick-dry fireproof paint is prepared from, by weight, 50-60 parts of acrylic resin, 20-25 parts of polyvinyl acetate, 15-20 parts of volcanic ash, 10-15 parts of carclazyte, 10-15 parts of zeolite powder, 8-12 parts of glyceryl monostearate, 6-10 parts of sodium carboxymethylcellulose, 4-7 parts of soap powder, 4-7 parts of glucoside, 3-5 parts of silicone emulsion, 2-3 parts of nano-zirconia, 2-3 parts of adhesion promoter, 1-2 parts of dibutyltin dilaurate, 1-2 parts of methyl ethyl ketoxime and 400-500 parts of isopropanol. The paint can be solidified at normal temperature after being sprayed onto an evanescent mold, solidification time is less than an hour, a formed coating is dense and hard, sand burning of castings can be effectively prevented, sand cleaning workload can be reduced, a casting cavity can be protected, and then the quality of castings can be improved.

Description

A kind of fast-drying type evaporative pattern making fireproof coating
Technical field:
The present invention relates to casting technology field, be specifically related to a kind of fast-drying type evaporative pattern making fireproof coating.
Background technology:
Lost foam casting is that the paraffin similar to casting dimension shape or bubbles model bonding are combined into modelBunch, brush after fireproof coating oven dry, be embedded in vibration molding in dry quartz sand, under negative pressure, pour into a mould, makeModel gasification, liquid metals occupies modal position, solidifies the novel casting method of cooling rear formation foundry goods.Compared with conventional cast technology, lost foam casting has following characteristics: 1) casting quality is good, and cost is low; 2)Material is not limit, and size is all suitable; 3) dimensional accuracy is high, and any surface finish reduces cleaning work amount; 4) insideDefect greatly reduces, dense structure; 5) can realize extensive, production in enormous quantities, improve operating environment,Reduce labour intensity and reduce energy resource consumption.
Although lost foam casting process is rapidly developed at present, fireproof coating used does not reach desirable wantingAsk. And coating property directly affects the quality of foundry goods, coating directly connects except isolating metal liquid and molding sandTouch, prevent that foundry goods from producing outside physics and chemistry scab, can also form and protect foundry goods die cavity. Therefore,Ask coating used to there is excellent normal temperature and elevated temperature strength, and will have suitable hot permeability.
Summary of the invention:
Technical problem to be solved by this invention is to provide one can prevent foundry goods scab, protection foundry goods typeChamber and brushing after without dry fast-drying type evaporative pattern making fireproof coating.
Technical problem to be solved by this invention adopts following technical scheme to realize:
A kind of fast-drying type evaporative pattern making fireproof coating, made by the raw material of following parts by weight:
Acrylic resin 50-60 part, polyvinyl acetate 20-25 part, volcanic ash 15-20 part, carclazyte10-15 part, zeolite powder 10-15 part, glycerin monostearate 8-12 part, sodium carboxymethylcellulose 6-10Part, soap powder 4-7 part, glucoside 4-7 part, silicone emulsion 3-5 part, nano zircite 2-3 part,Adhesion promoter 2-3 part, dibutyl tin laurate 1-2 part, methyl ethyl ketoxime 1-2 part, isopropyl alcohol400-500 part;
Its preparation method is as follows:
(1) acrylic resin and polyvinyl acetate are added in isopropyl alcohol, be heated to reflux state insulation placeReason 15min, then add glucoside and nano zircite, continue reflow treatment 10min, obtain material I;
(2) volcanic ash, carclazyte and zeolite powder are fully mixed, are then heated to 70-80 DEG C of insulation 10min,Add again glycerin monostearate and silicone emulsion, obtain material II;
(3) in material I, add material II, sodium carboxymethylcellulose, soap powder, adhesion promoter, twoDibutyl tin laurate and methyl ethyl ketoxime, add in ball mill after mixing, and is milled to fineness and is less than 50μm。
Before described carclazyte uses, through pretreatment, its processing method is: by 90-100 part carclazyte and 10-15 partPolyvinyl alcohol adds in 300-350 part ethanol, mixes rear immersion 15min, then is heated to reflux state30min is processed in insulation, then adds 2-3 part red fuming nitric acid (RFNA) and 5-8 part sodium phosphate trimer, after fully mixing in micro-Microwave treatment 10min under ripple frequency 2450MHz, power 800W, mixture is sent into vacuum drier, instituteObtain solid and make powder through pulverizer.
Described adhesion promoter is made up of the raw material of following parts by weight: used oil 25-30 part, turpentine oil12-17 part, terpene resin 10-15 part, palm wax 10-15 part, rilanit special 8-11 part, hydrogenation pineFragrant 5-8 part, Sodium Polyacrylate 3-5 part, polyethylene glycol 3-5 part, gelatin 2-4 part, silane coupler 1-2Part, its preparation method is: Foral is dissolved in turpentine oil, then adds palm wax and gelatin, add10min is ground in heat to 60-65 DEG C of insulation, then adds terpene resin and rilanit special, continues to be heated to15min is ground in 80-85 DEG C of insulation, finally after temperature is down to 50-55 DEG C naturally, adds used oil, polypropyleneAcid sodium, polyethylene glycol and silane coupler, fully mix.
The invention has the beneficial effects as follows: the present invention is taking acrylic resin and polyvinyl acetate as primary raw material,Be aided with the fillers such as volcanic ash and several functions auxiliary agent and make fast-drying type evaporative pattern making fireproof coating, shouldSpray painting can solidify at normal temperatures after evaporative pattern, is no more than 1h hardening time, form coatingFine and close and hard, can not only effectively prevent foundry goods scab, reduce sand removal workload, can also protect foundry goods typeChamber, thus casting quality improved.
Detailed description of the invention:
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understandSeparate, below in conjunction with specific embodiment, further set forth the present invention.
Embodiment 1
(1) 50 parts of acrylic resins and 20 parts of polyvinyl acetate are added in 400 parts of isopropyl alcohols, be heated to15min is processed in reflux state insulation, then adds 4 portions of glucosides and 3 parts of nano zircites, continues backflow placeReason 10min, obtains material I;
(2) 15 parts of volcanic ash, 10 parts of carclazytes and 12 parts of zeolite powders are fully mixed, be then heated to 70-80 DEG CInsulation 10min, then add 8 parts of glycerin monostearates and 3 parts of silicone emulsions, obtain material II;
(3) in material I, add material II, 6 parts of sodium carboxymethylcelluloses, 6 parts of soap powder, 2 parts of adhesive forcePromoter, 1 part of dibutyl tin laurate and 2 parts of methyl ethyl ketoximes, add in ball mill after mixing,Be milled to fineness and be less than 50 μ m.
The pretreatment of carclazyte: 90 parts of carclazytes and 10 parts of polyvinyl alcohol are added in 300 parts of ethanol, mixRear immersion 15min, then be heated to reflux state insulation and process 30min, then adds 2 parts of red fuming nitric acid (RFNA)s and 5 partsSodium phosphate trimer, after fully mixing under microwave frequency 2450MHz, power 800W microwave treatment 10min,Mixture is sent into vacuum drier, and gained solid is made powder through pulverizer.
The preparation of adhesion promoter: 5 parts of Forals are dissolved in 12 parts of turpentine oil, then add 12 partsPalm wax and 2 parts of gelatin, be heated to 60-65 DEG C insulation grind 10min, then add 10 parts of terpene resins and8 parts of rilanit specials, continue to be heated to 80-85 DEG C of insulation and grind 15min, finally treat that temperature is down to naturallyAfter 50-55 DEG C, add 25 parts of used oil, 3 parts of Sodium Polyacrylates, 4 parts of polyethylene glycol and 1 part of silane coupler,Fully mix.
Embodiment 2
(1) 60 parts of acrylic resins and 25 parts of polyvinyl acetate are added in 500 parts of isopropyl alcohols, be heated to15min is processed in reflux state insulation, then adds 6 portions of glucosides and 2 parts of nano zircites, continues backflow placeReason 10min, obtains material I;
(2) 20 parts of volcanic ash, 15 parts of carclazytes and 10 parts of zeolite powders are fully mixed, be then heated to 70-80 DEG CInsulation 10min, then add 10 parts of glycerin monostearates and 5 parts of silicone emulsions, obtain material II;
(3) in material I, add material II, 8 parts of sodium carboxymethylcelluloses, 4 parts of soap powder, 2 parts of adhesive forcePromoter, 2 parts of dibutyl tin laurates and 1 part of methyl ethyl ketoxime, add in ball mill after mixing,Be milled to fineness and be less than 50 μ m.
The pretreatment of carclazyte: 100 parts of carclazytes and 15 parts of polyvinyl alcohol are added in 350 parts of ethanol, mix allEven rear immersion 15min, then be heated to reflux state insulation processing 30min, then add 3 parts of red fuming nitric acid (RFNA)s and 7Part sodium phosphate trimer, after fully mixing under microwave frequency 2450MHz, power 800W microwave treatment 10Min, mixture is sent into vacuum drier, and gained solid is made powder through pulverizer.
The preparation of adhesion promoter: 8 parts of Forals are dissolved in 16 parts of turpentine oil, then add 10 partsPalm wax and 4 parts of gelatin, be heated to 60-65 DEG C insulation grind 10min, then add 12 parts of terpene resins and10 parts of rilanit specials, continue to be heated to 80-85 DEG C of insulation and grind 15min, finally treat that temperature is down to naturallyAfter 50-55 DEG C, add 30 parts of used oil, 5 parts of Sodium Polyacrylates, 3 parts of polyethylene glycol and 2 parts of silane couplers,Fully mix.
More than show and described general principle of the present invention and principal character and advantage of the present invention. One's own professionThe technical staff of industry should understand, and the present invention is not restricted to the described embodiments, above-described embodiment and explanationThat in book, describes just illustrates principle of the present invention, without departing from the spirit and scope of the present invention,The present invention also has various changes and modifications, and these changes and improvements all fall into claimed model of the present inventionIn enclosing. The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (3)

1. a fast-drying type evaporative pattern making fireproof coating, is characterized in that, by following parts by weightRaw material is made:
Acrylic resin 50-60 part, polyvinyl acetate 20-25 part, volcanic ash 15-20 part, carclazyte10-15 part, zeolite powder 10-15 part, glycerin monostearate 8-12 part, sodium carboxymethylcellulose 6-10Part, soap powder 4-7 part, glucoside 4-7 part, silicone emulsion 3-5 part, nano zircite 2-3 part,Adhesion promoter 2-3 part, dibutyl tin laurate 1-2 part, methyl ethyl ketoxime 1-2 part, isopropyl alcohol400-500 part;
Its preparation method is as follows:
(1) acrylic resin and polyvinyl acetate are added in isopropyl alcohol, be heated to reflux state insulation placeReason 15min, then add glucoside and nano zircite, continue reflow treatment 10min, obtain material I;
(2) volcanic ash, carclazyte and zeolite powder are fully mixed, are then heated to 70-80 DEG C of insulation 10min,Add again glycerin monostearate and silicone emulsion, obtain material II;
(3) in material I, add material II, sodium carboxymethylcellulose, soap powder, adhesion promoter, twoDibutyl tin laurate and methyl ethyl ketoxime, add in ball mill after mixing, and is milled to fineness and is less than 50μm。
2. fast-drying type evaporative pattern making fireproof coating according to claim 1, is characterized in that:Before described carclazyte uses, through pretreatment, its processing method is: by 90-100 part carclazyte and the poly-second of 10-15 partEnol adds in 300-350 part ethanol, mixes rear immersion 15min, then is heated to reflux state insulationProcess 30min, then add 2-3 part red fuming nitric acid (RFNA) and 5-8 part sodium phosphate trimer, after fully mixing in Microwave FrequencyMicrowave treatment 10min under rate 2450MHz, power 800W, mixture is sent into vacuum drier, and gained is solidBody is made powder through pulverizer.
3. fast-drying type evaporative pattern making fireproof coating according to claim 1, is characterized in that,Described adhesion promoter is made up of the raw material of following parts by weight: used oil 25-30 part, turpentine oil12-17 part, terpene resin 10-15 part, palm wax 10-15 part, rilanit special 8-11 part, hydrogenation pineFragrant 5-8 part, Sodium Polyacrylate 3-5 part, polyethylene glycol 3-5 part, gelatin 2-4 part, silane coupler 1-2Part, its preparation method is: Foral is dissolved in turpentine oil, then adds palm wax and gelatin, add10min is ground in heat to 60-65 DEG C of insulation, then adds terpene resin and rilanit special, continues to be heated to15min is ground in 80-85 DEG C of insulation, finally after temperature is down to 50-55 DEG C naturally, adds used oil, polypropyleneAcid sodium, polyethylene glycol and silane coupler, fully mix.
CN201610091687.3A 2016-02-17 2016-02-17 Quick-dry fireproof paint for evanescent mold manufacturing Pending CN105602373A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106009994A (en) * 2016-06-23 2016-10-12 巢湖鹏远金属焊管有限公司 Surface treating agent for anti-seepage, high temperature resistance and corrosion resistance of transformer radiating tubes
CN106349842A (en) * 2016-08-26 2017-01-25 山东北方现代化学工业有限公司 Quick-drying terpene resin modified thermoplastic acrylic resin paint and parathion method thereof
CN106634427A (en) * 2016-12-16 2017-05-10 池州恒和精密机械有限公司 Refractory paint for sand casting
CN107398527A (en) * 2017-06-14 2017-11-28 安徽华昊机械制造有限公司 A kind of pump housing molding sand casting technique with fireproof coating
CN111673045A (en) * 2020-03-13 2020-09-18 浙江浦江精宇铸造有限公司 High-carbon-equivalent high-strength gray iron casting and lost foam casting process thereof
CN112341868A (en) * 2020-11-27 2021-02-09 安徽华飞机械铸锻有限公司 Preparation method of starch-based lost foam coating

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104693905A (en) * 2013-12-07 2015-06-10 青岛大运机械有限公司 Fireproof paint for evanescent mode

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104693905A (en) * 2013-12-07 2015-06-10 青岛大运机械有限公司 Fireproof paint for evanescent mode

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106009994A (en) * 2016-06-23 2016-10-12 巢湖鹏远金属焊管有限公司 Surface treating agent for anti-seepage, high temperature resistance and corrosion resistance of transformer radiating tubes
CN106349842A (en) * 2016-08-26 2017-01-25 山东北方现代化学工业有限公司 Quick-drying terpene resin modified thermoplastic acrylic resin paint and parathion method thereof
CN106349842B (en) * 2016-08-26 2019-04-23 山东北方现代化学工业有限公司 A kind of terpene resin modification thermoplastic acrylic acid resin quick-drying paint and preparation method thereof
CN106634427A (en) * 2016-12-16 2017-05-10 池州恒和精密机械有限公司 Refractory paint for sand casting
CN107398527A (en) * 2017-06-14 2017-11-28 安徽华昊机械制造有限公司 A kind of pump housing molding sand casting technique with fireproof coating
CN111673045A (en) * 2020-03-13 2020-09-18 浙江浦江精宇铸造有限公司 High-carbon-equivalent high-strength gray iron casting and lost foam casting process thereof
CN112341868A (en) * 2020-11-27 2021-02-09 安徽华飞机械铸锻有限公司 Preparation method of starch-based lost foam coating

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Application publication date: 20160525