CN103788787A - Single-component water-based natural drying finishing coat for construction crane and preparation method thereof - Google Patents

Single-component water-based natural drying finishing coat for construction crane and preparation method thereof Download PDF

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Publication number
CN103788787A
CN103788787A CN201310494206.XA CN201310494206A CN103788787A CN 103788787 A CN103788787 A CN 103788787A CN 201310494206 A CN201310494206 A CN 201310494206A CN 103788787 A CN103788787 A CN 103788787A
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agent
water
paint
crane
resin
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CN201310494206.XA
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Chinese (zh)
Inventor
许奕祥
姚煌
禹汉文
张红
谢唯
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广州擎天材料科技有限公司
中国电器科学研究院有限公司
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Priority to CN201310494206.XA priority Critical patent/CN103788787A/en
Publication of CN103788787A publication Critical patent/CN103788787A/en

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Abstract

The invention discloses a single-component water-based natural drying finishing coat for a construction crane and a preparation method thereof. The raw material formula of the single-component water-based natural drying finishing coat comprises the following components by weight percent: 40-50% of water-based resin, 1-3% of dispersant, 4-20% of coloring pigment, 8-15% of filler, 0.5-1.5% of anti-settling agent, 0.5-1% of leveling wetting agent, 1-2% of thixotropic agent, 0.5-1% of defoamer, 0.1-0.8% of mildew preventive, 1-5% of coalescing agent, 0.5-1% of neutralizer and 10-20% of deionized water. The invention also discloses the preparation method of the single-component water-based finishing coat. The film of the water-based natural drying finishing coat is curable at the room temperature, energy-saving and environmental friendly, and capable of meeting the requirements of safe production of enterprises; in the meantime, the film is good in closure to a primer, and has excellent early-stage waterproofness and ageing resistance; the single-component water-based finishing coat is matched with a room temperature curable water-based double-component epoxy primer in use, so that the film formed is excellent in corrosion resistance, and the comprehensive properties of the single-component water-based natural drying finishing coat are up to the property indexes of similar solvent type finishing coats.

Description

A kind of mono-component aqueous from dried noodle paint and preparation method thereof for crane
Technical field
The present invention relates to water-borne coatings, especially relate to a kind of mono-component aqueous from dried noodle paint for crane.The invention still further relates to the preparation method of this finish paint.
background technology
Crane is mainly divided into lifting machine for harbour, building crane, general work shop crane and other wheeled formula lifting machine etc., according to the difference of applied environment, protection against corrosion requirement, ageing-resistant performance, solvent resistance etc. is also had to different standards.At present, domestic project crane assemblies generally adopts solvent-borne type alcohol acid primer with protection against corrosion priming paint, bi-component epoxy iron oxide red paint and epoxy zinc rich primer etc., different according to ageing-resistant performance and solvent resistance of supporting finish paint, generally be divided into solvent-borne type synthetic enamel, acrylic paint, bicomponent polyurethane paint etc., owing to containing a large amount of organic solvents in solvent-borne type paint, working-yard spraying environment is severe, in air, volatile organic compounds content is high, simultaneously, crane floor space is wide, cannot solely establish painting workshop and drying shed, domestic lifting machine enterprise is co-located in same production plant freezing with spraying conventionally, there is serious inflammable and explosive danger, workman is healthy is also subject to serious harm.
The enterprise of external production machinery equipment use high-performance coating material is mainly Aksu, the Northwest, ippon, the international esbablished corporation of PPGDeng, its output accounts for 90% of domestic industry use high-performance coating material ultimate production, be mainly used in passenger car application, its type is generally divided into the high bake type water-miscible paints such as cathode/anode tiselius apparatus priming paint, the real look finish paint of water-based, water-based metal polychromatic finish, this type of sealing wax can only be applied to the workpiece of small volume, coating can be solidified by high bake, for not applying mechanically completely as big machineries such as cranes.Present Domestic manufacturing enterprise meets the mechanized equipment Water-borne modification application degree of self-sufficiency less than 10%, mainly concentrate on machinery chassis etc. and require the lower undercoat manufacture such as Application Areas and priming paint electrophoresis, be not yet applied as the composite coating technology of the high performance requirements of the big machinery external coatings such as crane and be applied to.The needs of and enterprise safety operation increasingly strict along with environmental regulation, replace solvent based coating in the urgent need to a kind of novel environmentfriendly products.
CN 102974520A discloses a kind of coating process that water-borne coatings is applied to building machinery metal parts, specifically being beneficial to water-base epoxy protection against corrosion priming paint and aqueous polyurethane spins reason finish paint and be combined and be applied to fork and differ from the aqueous coating technology of metal parts, efficiently solve the harm and safety potential problem that traditional coating process brings, but be only applicable to the mechanical part corrosion-proof coating of small volume, can not meet the Production requirement of existing paint line for the external coating of big machinery.CN 102618159 A disclose a kind of freight container use polyurethane anticorrosive coating and preparation method thereof, it is take aqueous polyurethane dispersion and ACRYLIC EMULSION as film forming matter, add rust-stabilising pigment and the functional agent of asepsis environment-protecting, prepare with oiliness epoxy zinc rich primer and epoxy in the matching used aqueous finish paint product of painting.The erosion resistance of this water-based anticorrosive paint own is not strong, need supporting epoxy zinc rich primer just can have good erosion resistance, and paint film need could solidify under certain temperature condition, therefore can not be applied to the surface anticorrosion application of heavy construction lifting machine.CN 1616567A discloses a kind of steel radiator nano aqueous inner side anticorrosion coating, this coating is prepared aqueous epoxy anticorrosive paint with epoxy resin, resol, para-amino benzoic acid composition modified epoxy, this water-borne coatings heat and corrosion resistant performance is better, but paint film ageing-resistant performance is poor, can only be used for indoor or shady and cool place metal protection.CN 101041760 A disclose a kind of water-based anticorrosive paint, and it is take aluminum zinc powder, film-forming resin, additive etc. as main component, and this water-borne coatings needs hot setting, is unsuitable for the application of big machinery surface anticorrosion.Visible, current water-based anticorrosive paint erosion resistance, initial stage water tolerance and mechanical property are poor, and paint film can not self-vulcanizing, and construction adaptability is low, therefore, can not be applied to the application of crane surface anticorrosion.
Summary of the invention
One of object of the present invention is to provide a kind of mono-component aqueous from dried noodle paint for crane, this aqueous finish paint is good to priming paint closure, initial stage water tolerance excellence, ageing resistance is good, construction adaptability is strong, support the use with aqueous dual-component epoxy anticorrosion priming paint, compound coating has excellent Corrosion Protection and mechanical property, product over-all properties reaches solvent-borne type product performance index of the same type, asepsis environment-protecting, meets the demand of crane enterprise safety operation.
Two of the object of the invention is to provide the preparation method of above-mentioned aqueous self-drying finish paint.
First object of the present invention realizes by following technical measures: a kind of mono-component aqueous from dried noodle paint for crane, comprises the component of following weight percent:
Water-base resin 40 ~ 50%
Dispersion agent 1 ~ 3%
Tinting pigment 4 ~ 20%
Filler 8 ~ 15%
Anti-settling agent 0.5 ~ 1.5%
Moistening flatting agent 0.5 ~ 1%
Thixotropic agent 1 ~ 2%
Defoamer 0.5 ~ 1%
Mould inhibitor 0.1 ~ 0.8%
Film coalescence aid 1 ~ 5%
Neutralizing agent 0.5 ~ 1%
Deionized water 10 ~ 20%.
Water-base resin of the present invention is one or more the mixing in water soluble acrylic resin, emulsion-type acrylic resin, water-borne Self-Crosslinked Acrylic resin, polyurethane-modified polyacrylate resin, epoxy modification acrylate resin, waterborne polyurethane resin and aqueous alkide resin.As the MAINCOTE of Tao Shi chemical industry tM1100A, MAINCOTE tMaS-3098, MAINCOTE tMhG-54C, BASF chemical industry 1532,8330,1522, U4190, U6336, YG A-51, the ACURE 1843 of source standing grain chemical industry, 612 of silver dollar chemical industry, the upwards CPT8240 of chemical industry, CPT8290,1042 etc. of the long first chemical industry in R5530, the AE6030 of clear special agate chemical industry and Zhuhai.As a preferred embodiment, described water-base resin is water-borne Self-Crosslinked Acrylic resin and waterborne polyurethane resin.
Dispersion agent of the present invention is one or more the mixture in acetylenic diols high molecular polymer, polycarboxylic acid salt's dispersion agent, high-molecular type dispersing agent, non-ionic dispersing agent, phosphate type dispersion agent.Wherein, the corresponding product such as the optional ZETASPERSE 3700 of described acetylenic diols high molecular polymer, ZETASPERSE 3400, ZETASPERSE 3100, SURFYNOL CT-324; Described polycarboxylic acid salt's dispersion agent can be selected the corresponding products such as COATEX 123K, COATEX P90, SAMASO 5063; The corresponding products such as the optional Dispersogen DIP of described high-molecular type dispersing agent, Solsperse 47000, BYK-190, EFKA4560, EFKA4570, EFKA6220; The corresponding products such as the optional EMULSOGEN TS 200 of described non-ionic dispersing agent, GENAPOL T 250P, Dispersogen PTS; The corresponding products such as optional HOSTAPHAT OPS 75 E of described phosphoric acid ester dispersion agent, HOSTAPHAT MDAH, Dispersogen LFS.
Tinting pigment of the present invention is one or more the mixture in titanium dioxide, carbon black, organic bright red and You Ji great Yellow.Described titanium dioxide can be selected the corresponding product such as R902, R706, MR-938 of rutile-type.Described carbon black can be selected Degussa 6 #the corresponding products such as black, MA100.Described organic bright red F that selects Guangdong China face chemical industry 3the corresponding products such as RK, PR4833, PR02.The described corresponding product such as PO-1304, PY-1238, PY-1411 that has the large Yellow of machine can select Guangdong face chemical industry.
Filler of the present invention is one or more the mixture in process white, glass powder, talcum powder, wollastonite and ceramic fine bead.Wherein, the corresponding product such as the optional NYAD 1250 of described wollastonite, 10ES WOLLASTOCOAT, 10AS WOLLASTOCOAT.The optional Zeeosphere400 of described ceramic fine bead.
Anti-settling agent of the present invention is aerosil.As watt N20, the T40, the H17 that digest work, the corresponding products such as the K200 of AEROSIL R972, AEROSIL 200, WR8520 and the Korea S OCI of Degussa chemical industry.
Moistening flatting agent of the present invention is one or more the mixture in acetylenic diols wetting agent, silicone based wetting agent, acrylic acid or the like wetting agent, fluorine class wetting agent.Wherein, described acetylenic diols wetting agent can be selected the corresponding products such as EnviroGem AD-01, surfynol 104DPM, GS-850DPM, GS-865, GS-835, GS-880DPNB; Described silicone based wetting agent can be selected the corresponding products such as EFKA-3570, TEGO-280, TWIN-4000, SN 1208, BYK-333, VXW-6503; Described acrylic acid or the like wetting agent can be selected the corresponding product such as BYK-348, EFKA-3772; Fluorine class wetting agent can be selected the corresponding products such as Zonyl FSO, FS-331B.
Thixotropic agent of the present invention is one or more the mixture in hydrophobically modified polyurethane thickener, the swelling thickening material of hydrophobically-modified alkali, polyurea modified thickening material.Wherein, described hydrophobically modified polyurethane thickener can be selected the corresponding products such as Borchi Gel 0620, PS-166, SAMASO HEUR8370, SAMASO HEUR8500; The swelling thickening material of described hydrophobically-modified alkali can be selected the corresponding products such as SAMASO ASE2160, RM 8W, SAMASO HASE8700, SAMASO HASE4206; Described polyurea modified thickening material can be selected the corresponding product such as BYK-420, BYK-425.
Defoamer of the present invention can be selected one or more the mixture in CHEMIPOL TA40, CHEMIPOL RMB, TEGO825, TEGO810, GS-D101, GS-D103, EFKA2527.
Mould inhibitor of the present invention refers to one or more the mixture in CHEMIPOL VR-20, CHEMIPOL 351, PREVENTOL D7F, PREVENTOL D7LT;
Film coalescence aid of the present invention is to help the auxiliary agent of coating film, as a kind of in TEXANOL, propylene glycol monomethyl ether, Diethylene Glycol butyl ether, dipropylene glycol butyl ether, propandiol butyl ether or their mixture.
Neutralizing agent of the present invention is ammoniacal liquor, triethylamine, N, a kind of or or the two or more mixture in N-dimethylethanolamine and AMP-95.
Second object of the present invention realizes by following technical measures: a kind of supporting mono-component aqueous preparation method from dried noodle paint for crane, and it comprises the following steps:
(1) aqueous color paste preparation: get dispersion agent, part deionized water, part moistening flatting agent, part neutralizing agent and add in steel basin, then under agitation condition, add tinting pigment, filler, anti-settling agent, after stirring, add part defoamer, high speed dispersion, then be transferred to sand mill and be ground to fineness and be less than 15 microns, obtain the aqueous color paste that pH value is 8.0-9.0;
(2) aqueous finish paint preparation: add water-base resin in steel basin, with remaining deionized water dilution film coalescence aid, then under the condition stirring, join in water-base resin, then add successively 1/2 thixotropic agent, remaining neutralizing agent, regulating resin pH value is 8.0-9.0, then under agitation condition, add the aqueous color paste in step (1), 1000-1500rpm/min stirs 5 minutes, finally add successively remaining moistening flatting agent, mould inhibitor, remaining thixotropic agent and defoamer, then 2000-3000rpm/min stirs 15 minutes, adjust paint pH for value 8.0-9.0, leave standstill after 20-30 minute, filter and package with 250-350 eye mesh screen.
In the whipping process of described step (3), should control paint temperature≤45 ℃.
A kind of supporting mono-component aqueous from dried noodle paint for crane of the present invention, its execution conditions and measure are as follows:
(1) construction environment: temperature is greater than-5 ℃, relative humidity≤80, working-yard well-ventilated.
(2) material processing: band rust material need be through Shot Blasting, and the material after Shot Blasting need spray aqueous dual-component epoxy primer in 5 hours; It is need be with sand paper detail sanding coarse or carry out surface treatment with the three-in-one water-based surface treatment agent of phosphatization rust cleaning oil removing to fail the material of Shot Blasting.
(3) construction procedure one: the material after surface treatment, first sprays bi-component waterborne from dry epoxy primer, spraying number of times two times, approximately 60 microns of builds.When working-yard temperature is 25 ℃, relative humidity is 80 o'clock, and room temperature is from dry after 5 hours, can spray supporting mono-component aqueous from dried noodle paint; In the time of relative humidity > 80, after construction interval extends to 8 hours relatively, could spray supporting mono-component aqueous from dried noodle paint.
(4) construction procedure two: sprayed after aqueous self-drying finish paint, when working-yard temperature is 25 ℃, relative humidity is that under the condition of 80 o'clock, drying at room temperature, after 5 hours, has had good initial stage water tolerance, can place open air and drench with rain; In the time of the relative humidity > 80 of working-yard, need to indoors place after 12 hours, just can there is good initial stage water tolerance.
the present invention compared with prior art tool has the following advantages:
(1) prepared by the present invention mono-component aqueously belongs to environment-friendly type coating from dried noodle paint, the paint film initial stage has excellent water-resistance, ageing resistance excellence,, paint film good to priming paint closure can room temperature fast-curing, paint film intensity rises fast, construction adaptability is strong, supports the use with room temperature curing type aqueous dual-component epoxy primer, and the ply adhesion of compound coating is good, coating has excellent erosion resistance and good mechanical property, and product over-all properties reaches solvent product performance index of the same type.Can be applicable to the construction technology of the existing oiliness paint line of large-scale engineering machinery enterprise, construction is simple, can comparatively fast realize scale operation.
(2) the friendly type pigment of Environment of the present invention and functional agent, asepsis environment-protecting, meets enterprise safety operation and workmen's healthy demand.
(3) the present invention adopts and contains that to hold the water-borne Self-Crosslinked Acrylic resin of hydrophobic carbochain be matrix resin, be aided with waterborne polyurethane resin as outside cross-linking agent and modified resin, effectively improve paint film initial stage water tolerance, drying property and ageing resistance, paint film over-all properties reaches solvent-borne type product industry index of the same type.
Embodiment
The present invention will be described to enumerate a part of specific embodiment below, is necessary to be pointed out that at this following specific embodiment, only for the invention will be further described, does not represent limiting the scope of the invention.Some nonessential modifications that other people make according to the present invention and adjustment still belong to protection scope of the present invention.
embodiment 1(dumb light white finish paint)
(1) part deionized water, dispersion agent Dispersogen DIP, wetting agent flow agent surfynol 104DPM, 1/2 neutralizing agent ammoniacal liquor are added in steel basin, then under agitation condition, add tinting pigment titanium dioxide, filler process white, glass powder, anti-settling agent aerosil N20, after stirring, add part defoamer GS-D101, high speed dispersion, then be transferred to sand mill and be ground to fineness and be less than 15 microns, obtain the aqueous color paste that pH value is 8.0-9.0.
(2) in steel basin, add water-borne Self-Crosslinked Acrylic emulsion MAINCOTE tM1100A and auxiliary waterborne polyurethane resin U4190, stir, and with part deionized water dilution film coalescence aid dipropylene glycol butyl ether and propandiol butyl ether (ratio 7:3), then under the condition stirring, join in above-mentioned water-base resin mixed solution, then add successively 1/2 thixotropic agent SAMASO HEUR8370, remaining neutralizing agent ammoniacal liquor, regulation system pH value is 8.0-9.0, then under agitation condition, add the ground aqueous color paste of step (1), the stirring minute of 1000-1500rpm/min middling speed, finally add successively moistening flatting agent EFKA-3570, mould inhibitor CHEMIPOL VR-20, remaining thixotropic agent SAMASO HEUR8370 and defoamer GS-D101, then 2000-3000rpm/min high-speed stirring 15 minutes, adjust paint pH for value 8.0-9.0, leave standstill after 20-30 minute, filter and package with 250-350 eye mesh screen.In the whipping process of this step, should control paint temperature≤45 ℃.
the red finish paint of embodiment 2(dumb light)
(1) getting part deionized water, dispersion agent Solsperse 47000 is 2:1 with ZETASPERSE 3700(blending ratio), wetting agent flow agent GS-850DPM, 1/2 neutralizing agent ammoniacal liquor add in steel basin, then under agitation condition, add the organic bright red F3RK of tinting pigment and PR02, filler process white, glass powder, wollastonite, anti-settling agent aerosil T40, after stirring, add part defoamer GS-D101, high speed dispersion, then be transferred to sand mill and be ground to fineness and be less than 15 microns, obtain the aqueous color paste that pH value is 8.0-9.0.
(2) in steel basin, add water-borne Self-Crosslinked Acrylic emulsion MAINCOTE tM1100A and auxiliary waterborne polyurethane resin U4190, stir, with remaining deionized water dilution film coalescence aid dipropylene glycol butyl ether and propandiol butyl ether (ratio 7:3), then under the condition stirring, join in above-mentioned water-base resin mixed solution, then add successively 1/2 thixotropic agent SAMASO HEUR8370, remaining neutralizing agent ammoniacal liquor, regulating resin pH value is 8.0-9.0, then under agitation condition, add the ground aqueous color paste of step (1), 1000-1500rpm/min middling speed stirs 5 minutes, finally add successively moistening flatting agent EFKA-3570, mould inhibitor CHEMIPOL VR-20, remaining thixotropic agent SAMASO HEUR8370 and defoamer GS-D101, then 2000-3000rpm/min high-speed stirring 15 minutes, adjust paint pH for value 8.0-9.0, leave standstill after 20-30 minute, filter and package with 250-350 eye mesh screen.In the whipping process of this step, control paint temperature≤45 ℃.
the yellow finish paint of embodiment 3(dumb light)
(1) get part deionized water, dispersion agent Dispersogen PTS and ZETASPERSE 3400(blending ratio are 2:1), wetting agent flow agent GS-850DPM, neutralizing agent AMP-95 adds in steel basin, then under agitation condition, add tinting pigment You Ji great Yellow PO-1304 and PY-1238, filler process white, glass powder, wollastonite, anti-settling agent aerosil AEROSIL 200, after stirring, add defoamer GS-D101, high speed dispersion, then being transferred to sand mill is ground to fineness and is less than 15 microns, obtain the aqueous color paste that pH value is 8.0-9.0.
(2) in steel basin, add water-borne Self-Crosslinked Acrylic emulsion YG A-51 and auxiliary waterborne polyurethane resin CPT8240, stir, with remaining deionized water dilution film coalescence aid dipropylene glycol butyl ether and propandiol butyl ether (ratio 7:3), then under the condition stirring, join in above-mentioned water-base resin mixed solution, then add successively 1/2 thixotropic agent PS-166, remaining neutralizing agent ammoniacal liquor, regulating resin pH value is 8.0-9.0, then under agitation condition, add the ground aqueous color paste of step (1), 1000-1500rpm/min middling speed stirs 5 minutes, finally add successively moistening flatting agent TEGO-280, mould inhibitor PREVENTOL D7F, remaining thixotropic agent PS-166 and defoamer EFKA2527, then 2000-3000rpm/min high-speed stirring 15 minutes, adjust paint pH for value 8.0-9.0, leave standstill after 20-30 minute, filter and package with 250-350 eye mesh screen.In the whipping process of this step, control paint temperature≤45 ℃.
embodiment 4(dumb light black finish paint)
(1) getting part deionized water, dispersion agent EFKA4560, wetting agent flow agent surfynol 104DPM, neutralizing agent AMP-95 adds in steel basin, then under agitation condition, add tinting pigment carbon black MA-100, filler process white, glass powder, wollastonite, anti-settling agent aerosil AEROSIL 200, after stirring, add defoamer GS-D101, high speed dispersion, then be transferred to sand mill and be ground to fineness and be less than 15 microns, obtain the aqueous color paste that pH value is 8.0-9.0.
(2) in steel basin, add water-borne Self-Crosslinked Acrylic emulsion YG A-51 and auxiliary waterborne polyurethane resin CPT8240, stir, with remaining deionized water dilution film coalescence aid dipropylene glycol butyl ether and propandiol butyl ether (ratio 7:3), then under the condition stirring, join in above-mentioned water-base resin mixed solution, then add successively 1/2 thixotropic agent 0620, neutralizing agent ammoniacal liquor, regulating resin pH value is 8.0-9.0, then under agitation condition, add the ground aqueous color paste of step (1), 1000-1500rpm/min middling speed stirs 5 minutes, finally add successively moistening flatting agent VXW-6503, mould inhibitor PREVENTOL D7F, remaining thixotropic agent 0620 and defoamer TEGO825, then 2000-3000rpm/min high-speed stirring 15 minutes, adjust paint pH for value 8.0-9.0, leave standstill after 20-30 minute, filter and package with 250-350 eye mesh screen.In the whipping process of this step, control paint temperature≤45 ℃.
[0036] first material is carried out to grinding process, then spray bi-component waterborne from dry epoxy anticorrosion primer, self-vulcanizing 5 hours, then sprays to the aqueous self-drying finish paint of above-described embodiment 1 ~ 4 on aqueous priming paint panel, and room temperature is placed seven days.After solidifying, effect is referring to table two: (material: mild steel plate)

Claims (10)

1. it is characterized in that from a dried noodle paint for the mono-component aqueous of crane, comprise the component of following weight percent:
Water-base resin 40 ~ 50%
Dispersion agent 1 ~ 3%
Tinting pigment 4 ~ 20%
Filler 8 ~ 15%
Anti-settling agent 0.5 ~ 1.5%
Moistening flatting agent 0.5 ~ 1%
Thixotropic agent 1 ~ 2%
Defoamer 0.5 ~ 1%
Mould inhibitor 0.1 ~ 0.8%
Film coalescence aid 1 ~ 5%
Neutralizing agent 0.5 ~ 1%
Deionized water 10 ~ 20%.
2. mono-component aqueous from dried noodle paint for crane according to claim 1, it is characterized in that, described water-base resin is one or more the mixing in water soluble acrylic resin, emulsion-type acrylic resin, water-borne Self-Crosslinked Acrylic resin, polyurethane-modified polyacrylate resin, epoxy modification acrylate resin, waterborne polyurethane resin and aqueous alkide resin.
3. according to claim 1ly it is characterized in that from dried noodle paint for the mono-component aqueous of crane, described water-base resin is water-borne Self-Crosslinked Acrylic resin and waterborne polyurethane resin.
4. mono-component aqueous from dried noodle paint for crane according to claim 1, it is characterized in that, described dispersion agent is one or more the mixing in acetylenic diols high molecular polymer, polycarboxylic acid salt's dispersion agent, high-molecular type dispersing agent, non-ionic dispersing agent, phosphate type dispersion agent.
5. according to claim 1ly it is characterized in that from dried noodle paint for the mono-component aqueous of crane, described tinting pigment is one or more the mixture in titanium dioxide, carbon black, organic bright red and You Ji great Yellow; Described filler is one or more the mixing in process white, glass powder, talcum powder, wollastonite and ceramic fine bead.
6. according to claim 1ly it is characterized in that from dried noodle paint for the mono-component aqueous of crane, described anti-settling agent refers to aerosil; Described moistening flatting agent is one or more the mixing in acetylenic diols wetting agent, silicone based wetting agent, acrylic acid or the like wetting agent and fluorine class wetting agent.
7. mono-component aqueous from dried noodle paint for crane according to claim 1, it is characterized in that, described thixotropic agent is one or more the mixing in hydrophobically modified polyurethane thickener, the swelling thickening material of hydrophobically-modified alkali and polyurea modified thickening material.
8. mono-component aqueous from dried noodle paint for crane according to claim 1, it is characterized in that, described film coalescence aid is one or more the mixing in TEXANOL, propylene glycol monomethyl ether, Diethylene Glycol butyl ether, dipropylene glycol butyl ether, propandiol butyl ether; Described neutralizing agent is ammoniacal liquor, triethylamine, N, the mixing of one or more in N-dimethylethanolamine, AMP-95.
9. the mono-component aqueous preparation method from dried noodle paint for crane described in claim 1 to 8 any one, is characterized in that, comprises the following steps:
(1) aqueous color paste preparation: get dispersion agent, part deionized water, part moistening flatting agent, part neutralizing agent and add in steel basin, then under agitation condition, add tinting pigment, filler, anti-settling agent, after stirring, add part defoamer, high speed dispersion, then be transferred to sand mill and be ground to fineness and be less than 15 microns, obtain the aqueous color paste that pH value is 8.0-9.0;
(2) aqueous finish paint preparation: add water-base resin in steel basin, with remaining deionized water dilution film coalescence aid, then under the condition stirring, join in water-base resin, then add successively 1/2 thixotropic agent, remaining neutralizing agent, regulating resin pH value is 8.0-9.0, then under agitation condition, add the aqueous color paste in step (1), 1000-1500rpm/min stirs 5 minutes, finally add successively remaining moistening flatting agent, mould inhibitor, remaining thixotropic agent and defoamer, then 2000-3000rpm/min stirs 15 minutes, adjust paint pH for value 8.0-9.0, leave standstill after 20-30 minute, filter and package with 250-350 eye mesh screen.
10. the mono-component aqueous preparation method from dried noodle paint for crane according to claim 9, is characterized in that, in the whipping process of described step (3), should control paint temperature≤45 ℃.
CN201310494206.XA 2013-10-21 2013-10-21 Single-component water-based natural drying finishing coat for construction crane and preparation method thereof CN103788787A (en)

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CN104403540A (en) * 2014-12-10 2015-03-11 成都拜迪新材料有限公司 High-gloss aqueous modified polyurethane finish coat and preparation method thereof
CN104497819A (en) * 2014-12-10 2015-04-08 成都拜迪新材料有限公司 Preparation method of waterborne alkyd enamel
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CN110295001A (en) * 2018-03-23 2019-10-01 河南中垣新材料科技有限公司 A kind of aqueous crane protective primer and preparation method thereof
CN111040543A (en) * 2019-12-25 2020-04-21 东莞大宝化工制品有限公司 Water-based ready-mixed paint with good adhesive force to various types of materials and preparation method thereof
CN111286243A (en) * 2020-03-24 2020-06-16 山东七维新材料有限公司 Water-based acrylic silver paint suitable for mechanical equipment and preparation method thereof

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CN105153842A (en) * 2015-09-09 2015-12-16 天长市银狐漆业有限公司 High hardness high toughness environment friendly water-based paint special for automobile parts
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