CN103805010A - Special anticorrosive coating capable of avoiding rust removal - Google Patents
Special anticorrosive coating capable of avoiding rust removal Download PDFInfo
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- CN103805010A CN103805010A CN201410038629.5A CN201410038629A CN103805010A CN 103805010 A CN103805010 A CN 103805010A CN 201410038629 A CN201410038629 A CN 201410038629A CN 103805010 A CN103805010 A CN 103805010A
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Abstract
The invention discloses a special anticorrosive coating capable of avoiding rust removal. The special anticorrosive coating is prepared by mixing the following components in parts by weight: 15-35 parts of acrylic resin, 10-25 parts of epoxy saturated resin, 35-50 parts of mixed antirust pigment, 0.1-1.0 part of a defoaming agent, 10-20 parts of a mixed solvent, 0.1-1.0 part of a leveling oil resistant agent and 0.1-1.0 part of an anti-coagulating agent, wherein the mixed antirust pigment is prepared by mixing iron oxide red 190, zinc oxide, superfine zinc powder, filling material barium sulfate and zinc yellow powder. The special anticorrosive coating capable of avoiding rust removal provided by the invention has the advantages of high density, good hardness, strong wear resistance, high impact resistance and the like, also can avoid contact of new iron with outside moisture and oxygen absorption of new iron to outside moisture and oxygen, can fundamentally eliminate the phenomenon of secondary rusting, and also has the advantages of convenience in construction, good anticorrosive and antirust effects and the like concurrently.
Description
Technical field
The invention belongs to chemistry painting industry, paint field, be specifically related to a kind of release rust special anticorrosive coating that is applied to power transformer industry.
Background technology
In the industry fields such as machinery, electric power, its metalwork adopts paint to carry out surface protection conventionally, and its paint mode is: first adopt metallic anti-rust paint as priming paint brushing, and then select according to demand the finish paint of different colours to brush.Conventional working method is: first pre-treatment is carried out in metallic surface, adopt to the floating rust on metallic surface or zone of oxidation through overpickling phosphatization or sandblast, then the rust cleaning mode of carrying out polishing, and then adopt rust-inhibiting paint brushing processing, brushing finish paint again after parching.Its shortcoming is, this antirust process just utilizes coating to intercept reacting of airborne moisture and oxygen, thereby reaches the object that prevents that secondary from getting rusty.But in fact the floating rust of metallic surface is to remove, and zone of oxidation just cannot be removed, and finally can on matallic surface layer, how much can leave nubbin.This is namely conventional to after metalwork employing rust-inhibiting paint at present, the basic reason place of easily causing secondary rust.
At present, no matter domestic be machinery industry, power equipment industry, or the industries such as railway, military project, from the rust-inhibiting paint effect with general, not only antirust effective period is short, maintenance cost is high, also needs to carry out secondary antirust after 2-3, and the acid washing phosphorization liquid particularly producing in the time of the antirust brushing of secondary also can bring severe contamination to surrounding environment.Therefore in the urgent need to promote paint of coating industry development by technological innovation, adopt new technology, new formula changes the traditional rust cleaning of metal current part and anticorrosion present situation.
Summary of the invention
The object of the invention is in existing metalwork surface derusting, rotproofing, provide a kind of favorable rust preventing effect, easy construction, brushing to construct for the deficiencies in the prior art front without doing processing of rust removing, also there is one acidproof, alkaline-resisting, oil resistant characteristic simultaneously and exempt rust special anticorrosive coating and preparation method thereof.
The present invention can reach by following technique and technical scheme:
A kind of rust special anticorrosive coating of exempting, this coating is mixed by the component of following weight part: 15～35 parts of acrylic resins, 10～25 parts of epoxy saturated resins, mix 0.1～1.0 part of 35～50 parts of rust-stabilising pigments, 0.1～1.0 part of auxiliary agent (defoamer), 10～20 parts of mixed solvents, 0.1～1.0 part of levelling oil-repellent and anti-heavy agent; Wherein said mixing rust-stabilising pigment is to be mixed by 190 red iron oxides, zinc oxide, super-fine zinc dust, filling material barium sulfate and zinc yellow.
Screening formulation is that the weight part proportioning of the each component of this coating is: 21～29 parts of acrylic resins, 14～19 parts of epoxy saturated resins, 39～43 parts of rust-stabilising pigments of mixing, 0.3～0.4 part of defoamer, 15～16 parts of mixed solvents, 0.5～0.6 part of levelling oil-repellent, 0.6～0.7 part of anti-heavy agent.
The quality percentage composition of the each component of mixing rust-stabilising pigment in the present invention is: 190 red iron oxides 30～45%, and zinc oxide 10～20%, super-fine zinc dust 20～30%, filling material 5～15%, the each component sum of zinc yellow 10～20%(is 100%).Preferably, the quality percentage composition that mixes the each component of rust-stabilising pigment is: 190 red iron oxides 35～41%, and zinc oxide 11～15%, super-fine zinc dust 22～28%, filling material 8～12%, the each component sum of zinc yellow 12～16%(is 100%).The preparation process of mixing rust-stabilising pigment is as follows, successively zinc oxide, 190 red iron oxides, super-fine zinc dust, stopping composition and zinc yellow is stirred, and finally crosses 60 order fineness and sieves and get final product.
Wherein the particle diameter of zinc oxide is preferably 100 orders, and described filling material is barium sulfate.The particle size range 60-80 order of super-fine zinc dust." 190 red iron oxide " that the present invention adopts is rose-red powder, is usually used in manufacture, paint, coating industry, molecular formula: Fe2O3, molecular weight: 159.60.
The present invention can directly adopt existing various epoxy saturated resin to carry out, preferably, the epoxy saturated resin adopting in the present invention is by dihydroxyphenyl propane and the epoxy six propane superpolymer that pyrocondensation forms under soda ash effect, wherein setting-up point is 180～230 ℃, and in pyrocondensation reaction, the proportion by weight of each raw material is: 65～75 parts of dihydroxyphenyl propanes, 20～55 parts of epoxy chloropropane, 5～15 parts of soda ash.The molecular-weight average of this epoxy saturated resin is between 2000～7000.
Mixed solvent in the present invention is to be mixed by toluene, butanols, butyl ether and cyclohexanone.Concrete, in mixed solvent, the mass content of each component is: toluene 65～70%, butanols 10～15%, butyl ether 8～12%, the each component sum of cyclohexanone 4～12%(are 100%).
Defoamer in the present invention is selected from silicone antifoam agent, and described levelling oil-repellent is selected from SP-500 levelling oil-repellent, and described anti-heavy agent is selected from the anti-heavy agent of F118 coating.
Release rust special anticorrosive coating in the present invention is specifically prepared from by following steps:
(1) first mixing rust-stabilising pigment is joined in mixed solvent and soaked, add defoamer simultaneously;
(2) after question response 1-2 hour, add again acrylic resin, epoxy saturated resin to carry out high speed dispersion mixing;
(3) disperse and full and uniform after carry out again sand milling art breading, and fineness is controlled in 60um;
(4) last levelling oil-repellent and anti-heavy agent are fully stirred, and the viscosity of coating is adjusted between 86～92.
(5) by the made release rust special anticorrosive coating of getting ready, detect qualified rear packing warehouse-in by national standard.
The present invention makes by epoxy saturated resin, mixing rust-stabilising pigment and mixed aid and other raw material hybrid reaction, the paint being prepared into has the advantages such as density is high, hardness good, wear resistance is strong, anti-impact force is large, can also avoid contacting and absorption of new iron and extraneous moisture and oxygen, fundamentally stop the get rusty generation of phenomenon of secondary.
The release rust special anticorrosive coating that adopts present method to prepare, the difference of it and traditional anti-corrosive antirusting paint is also, this coating is slower time of drying, surface drying needs about 2 hours, parch completely and need 48 hours, reaching complete reaction needs more than 120 hours, and sticking power, hiding power are extremely strong, and there is water-fast, oil-proofness, acid-fast alkali-proof, the mist of resistance to strong acid especially also simultaneously.
Release rust special anticorrosive coating of the present invention, its product Specifeca tion speeification is: viscosity (by coating-4 viscosity meter)≤50 second, fineness≤60um, time of drying >=48 hour, hardness >=0.55, anti-impact force >=50kg/cm, sticking power is 1 grade, and salt tolerance 750 hours is non-foaming, non-corrosive.More than refer to (5-28 ℃) under normal temperature condition.
One prepared by the present invention is exempted rust special anticorrosive coating, the production technique adopting is the reaction of polymer cross-linking chemistry, by the crosslinking reaction of resin and solidifying agent, therefore time of drying rust-proof anti-corrosive paint prepared by more existing traditional technology time of drying to grow, this technical recipe is mainly by generating complexing ion salt, ferric oxide is changed into needed pigment salt in paint, can directly be penetrated into the bottommost of zone of oxidation, reach separating and antirust, preservative effect of new iron and floating iron.
Release provided by the invention rust special anticorrosive coating, not only has the advantages such as density is high, hardness good, wear resistance is strong, anti-impact force is large, can also avoid contacting and absorption of new iron and extraneous moisture and oxygen, has fundamentally stopped the get rusty generation of phenomenon of secondary.Also there is easy construction, the advantage such as anticorrosion, favorable rust preventing effect simultaneously.
Embodiment
The raw material using in each embodiment:
1, mix rust-stabilising pigment
The concrete consumption of component is: 190 red iron oxides: 37kg, zinc oxide: 20kg, super-fine zinc dust: 25kg, barium sulfate: 8kg, zinc yellow: 10kg.
Preparation method: (1), first zinc oxide is added in 190 ferric oxide red colorants and stirred.(2), after 5 minutes, add again super-fine zinc dust to stir.(3), then add respectively stopping composition barium sulfate and zinc yellow to stir.(4), after 10 minutes, carry out vibration filtering with 60 order um fineness sieves, can obtain required mixing rust-stabilising pigment.
2, epoxy saturated resin
The concrete consumption of component is: dihydroxyphenyl propane: 68kg, epoxy chloropropane: 40kg, alkali lye: 15kg.
Preparation method: (1), first dihydroxyphenyl propane is dissolved in 10% the NaOH aqueous solution, is then slowly warming up to 180～220 ℃ of temperature.(2), add epoxy chloropropane make it reaction, temperature is controlled at 210 ℃.(3), leave standstill 30 minutes after completion of the reaction.(4), remove after the buck of upper strata with boiling water repetitive scrubbing 3～4 times, can remove residual alkali and byproduct salt in resin.(5), by obtaining required epoxy saturated resin after dehydration.
3, mixed solvent
The concrete consumption of component is: toluene: 70kg, butanols: 15kg, butyl ether: 10kg, cyclohexanone: 5kg.
Preparation method: (1) first slowly joins butanols in toluene solution adds butyl ether after stirring again; (2) after question response 1-2 hour, add again cyclohexanone, and fully stir; (3) after question response 0.5-1 hour, can obtain required mixed solvent.
4, auxiliary agent
Defoamer adopts silicone antifoam agent, and levelling oil-repellent adopts SP-500 levelling oil-repellent, and anti-heavy agent adopts the anti-heavy agent of F118 coating.
Embodiment 1:
Raw material composition and ratio (being unit by 100kg):
Operating procedure:
(1), first mixing rust-stabilising pigment is joined in mixed solvent and soaked, add defoamer simultaneously.
(2), after question response 1-2 hour, add again appropriate acrylic resin, epoxy saturated resin to carry out high speed dispersion mixing;
(3) wait disperse to make for 10-20 minute its obtain full and uniform after, then carry out sand milling art breading, and fineness be controlled to 60um with interior (≤60um);
(4), by the good mixed slurry of sand milling, in proportion with remaining mixed with resin, and add respectively levelling oil-repellent and anti-heavy agent to stir.
(5), again the release rust special anticorrosive coating being mixed with is transferred in the range of viscosities of 86-92;
(6), detect after qualified and carry out metering packing warehouse-in by chemical examination.
Embodiment 2:
Raw material composition and ratio (being unit by 100kg):
Operating procedure:
(1), first mixing rust-stabilising pigment is joined in mixed solvent and soaked, add defoamer simultaneously;
(2) after question response 1-2 hour, add again acrylic resin, epoxy saturated resin to carry out high speed dispersion mixing;
(3) wait disperseing just can to obtain for 8-15 minute after full and uniform to carry out again sand milling art breading, and fineness is controlled in 60um;
(4), by the good mixed slurry of sand milling, in proportion with remaining mixed with resin, and add respectively levelling oil-repellent and anti-heavy agent to stir.
(5), again the release rust special anticorrosive coating being mixed with is transferred in the range of viscosities of 86-92;
(6), detect after qualified and carry out metering packing warehouse-in by chemical examination.
Embodiment 3:
Raw material composition and ratio (being unit by 100kg):
Operating procedure:
(1), first mixing rust-stabilising pigment is joined in mixed solvent and soaked, add defoamer simultaneously;
(2) after question response 1-2 hour, add again acrylic resin, epoxy saturated resin to carry out high speed dispersion mixing;
(3) wait disperseing just can to obtain for 10-18 minute after full and uniform to carry out again sand milling art breading, and fineness is controlled in 60um;
(4), by the good mixed slurry of sand milling, in proportion with remaining mixed with resin, and add respectively levelling oil-repellent and anti-heavy agent to stir.
(5), again the release rust special anticorrosive coating being mixed with is transferred in the range of viscosities of 86-92;
(6), detect after qualified and carry out metering packing warehouse-in by chemical examination.
Chemically examine detection by the national standard of current enforcement, the index of the protective system of each routine gained is as follows:
Claims (10)
1. exempt a rust special anticorrosive coating, it is characterized in that this coating is mixed by the component of following weight part: 15～35 parts of acrylic resins, 10～25 parts of epoxy saturated resins, mix 0.1～1.0 part of 35～50 parts of rust-stabilising pigments, 0.1～1.0 part of defoamer, 10～20 parts of mixed solvents, 0.1～1.0 part of levelling oil-repellent and anti-heavy agent; Wherein said mixing rust-stabilising pigment is to be mixed by 190 red iron oxides, zinc oxide, super-fine zinc dust, filling material and zinc yellow.
2. release rust special anticorrosive coating according to claim 1, is characterized in that the weight part proportioning of the each component of this coating is: 21～29 parts of acrylic resins, 14～19 parts of epoxy saturated resins, 39～43 parts of rust-stabilising pigments of mixing, 0.3～0.4 part of auxiliary agent, 15～16 parts of mixed solvents, 0.5～0.6 part of levelling oil-repellent, 0.6～0.7 part of anti-heavy agent.
3. release rust special anticorrosive coating according to claim 1, the quality percentage composition that it is characterized in that the each component of described mixing rust-stabilising pigment is: 190 red iron oxides 30～45%, zinc oxide 10～20%, super-fine zinc dust 20～30%, filling material 5～15%, zinc yellow 10～20%.
4. release rust special anticorrosive coating according to claim 3, the quality percentage composition that it is characterized in that the each component of described mixing rust-stabilising pigment is: 190 red iron oxides 35～41%, zinc oxide 11～15%, super-fine zinc dust 22～28%, filling material 8～12%, zinc yellow 12～16%.
5. according to the release rust special anticorrosive coating described in claim 3 or 4, the particle diameter that it is characterized in that described zinc oxide is 1000 orders, particle size range 60～80 orders of described super-fine zinc dust, and described filling material is barium sulfate.
6. release rust special anticorrosive coating according to claim 1, it is characterized in that described epoxy saturated resin is by dihydroxyphenyl propane and the epoxy chloropropane superpolymer that pyrocondensation forms under soda ash effect, wherein setting-up point is 180～220 ℃, and in pyrocondensation reaction, the proportion by weight of each raw material is: 65～75 parts of dihydroxyphenyl propanes, 20～55 parts of epoxy chloropropane, 5～15 parts of soda ash.
7. release rust special anticorrosive coating according to claim 1, is characterized in that described mixed solvent is mixed by toluene, butanols, butyl ether and cyclohexanone.
8. release rust special anticorrosive coating according to claim 7, is characterized in that the mass content of each component in described mixed solvent is: toluene 65～70%, butanols 10～15%, butyl ether 8～12%, cyclohexanone 4～12%.
9. release rust special anticorrosive coating according to claim 1, is characterized in that described defoamer is selected from silicone antifoam agent, and described levelling oil-repellent is selected from SP-500 levelling oil-repellent, and described anti-heavy agent is selected from the anti-heavy agent of F118 coating.
10. release rust special anticorrosive coating according to claim 1, is characterized in that this coating is prepared from by following steps:
(1) first mixing rust-stabilising pigment is joined in mixed solvent and soaked, add defoamer simultaneously;
(2) after question response 1-2 hour, add again acrylic resin, epoxy saturated resin to carry out high speed dispersion mixing;
(3) disperse and full and uniform after carry out again sand milling art breading, and fineness is controlled in 60um;
(4) finally add levelling oil-repellent and anti-heavy agent fully to stir, the viscosity of coating is adjusted between 86～92.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410038629.5A CN103805010B (en) | 2013-07-30 | 2014-01-26 | A kind of release rust special anticorrosive coating |
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| CN201310323937.8 | 2013-07-30 | ||
| CN2013103239378 | 2013-07-30 | ||
| CN201310323937 | 2013-07-30 | ||
| CN201410038629.5A CN103805010B (en) | 2013-07-30 | 2014-01-26 | A kind of release rust special anticorrosive coating |
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| CN103805010A true CN103805010A (en) | 2014-05-21 |
| CN103805010B CN103805010B (en) | 2016-08-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104861824A (en) * | 2015-05-29 | 2015-08-26 | 黄强 | Blistering-proof and wear-resistant coating for automobile |
| CN107573775A (en) * | 2017-07-17 | 2018-01-12 | 江苏艺博防水防腐工程有限公司 | One kind is exempted to dry metallic conduit sprayed on material and its construction method |
| CN108165138A (en) * | 2017-12-29 | 2018-06-15 | 天津索菲特建筑材料有限公司 | Insulation rust-proof anti-corrosive paint |
| CN111548692A (en) * | 2020-05-22 | 2020-08-18 | 成都新柯力化工科技有限公司 | Rust-removing anticorrosive paint and preparation method thereof |
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| JP2004338236A (en) * | 2003-05-15 | 2004-12-02 | Nippon Parkerizing Co Ltd | Surface treated weather-resistant steel material, surface treating agent for weather-resistant steel material and manufacturing method of surface treated weather-resistant steel material |
| CN101519565A (en) * | 2009-03-04 | 2009-09-02 | 宜兴市巨人涂料有限公司 | Special anti-corrosion rust-proof paint with rust removal and preparation method thereof |
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| CN102634259A (en) * | 2011-06-21 | 2012-08-15 | 漳州鑫展旺化工有限公司 | Low-temperature curing anticorrosive paint and preparation method thereof |
| CN103031036A (en) * | 2012-12-17 | 2013-04-10 | 吕龙云 | Thick coating type epoxy corrosion-resistant coating certified by Water Regulation Advisory Scheme (WRAS) |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004338236A (en) * | 2003-05-15 | 2004-12-02 | Nippon Parkerizing Co Ltd | Surface treated weather-resistant steel material, surface treating agent for weather-resistant steel material and manufacturing method of surface treated weather-resistant steel material |
| CN101519565A (en) * | 2009-03-04 | 2009-09-02 | 宜兴市巨人涂料有限公司 | Special anti-corrosion rust-proof paint with rust removal and preparation method thereof |
| CN102634259A (en) * | 2011-06-21 | 2012-08-15 | 漳州鑫展旺化工有限公司 | Low-temperature curing anticorrosive paint and preparation method thereof |
| CN102391743A (en) * | 2011-09-01 | 2012-03-28 | 中国海洋石油总公司 | Aqueous primer used for bicycles |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861824A (en) * | 2015-05-29 | 2015-08-26 | 黄强 | Blistering-proof and wear-resistant coating for automobile |
| CN107573775A (en) * | 2017-07-17 | 2018-01-12 | 江苏艺博防水防腐工程有限公司 | One kind is exempted to dry metallic conduit sprayed on material and its construction method |
| CN108165138A (en) * | 2017-12-29 | 2018-06-15 | 天津索菲特建筑材料有限公司 | Insulation rust-proof anti-corrosive paint |
| CN111548692A (en) * | 2020-05-22 | 2020-08-18 | 成都新柯力化工科技有限公司 | Rust-removing anticorrosive paint and preparation method thereof |
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| CN103805010B (en) | 2016-08-31 |
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