CN102260423B - Alcohol-soluble phosphate high temperature resistant long-acting anti-corrosive paint and preparation method thereof - Google Patents
Alcohol-soluble phosphate high temperature resistant long-acting anti-corrosive paint and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an alcohol-soluble phosphate high temperature resistant long-acting anti-corrosive paint and a preparation method thereof. The alcohol-soluble phosphate high temperature resistant long-acting anti-corrosive paint is characterized in that: a priming paint and a finish paint are integrated; and the paint comprises a component A and a component B, wherein the component A contains phosphoric acid, aluminum hydroxide, magnesium oxide, absolute alcohol and ethyl lactate; and the component B contains ethyl lactate, absolute alcohol, polyvinyl butyral, a calcium zinc stabilizer, copper oxide, enamel black, a hyper dispersant, fumed silica and a fluorine modified acrylic acid levelling agent. The prepared product resists high temperature of 1,000DEG C for a long term, and has good self-drying property, physical and mechanical properties and conductivity, excellent welding and cutting properties, salt mist resistance of more than 1,000 hours, and long-term acid and alkali corrosion resistance.
Description
Technical field
The present invention relates to a kind of coating, particularly a kind of pure dissolubility, environmental protection, the exsertile phosphoric acid salt of property is high temperature resistant, long-lasting protection coatings.
Background technology
Fire resistant anticorrosive paint generally refers to more than 200 ℃, the paint film nondiscoloration, do not come off, the coating that still can keep suitable physical and mechanical properties, good acid-proof alkaline, the high-temperature resistant coating general types is more in the market, be generally organosilicon heat-resistant coating and inorganic heat-resisting coating, heat-resistant anticorrosive erosion coating is widely used in chimney, high temperature steam pipeline, heat exchanger, High Temperature Furnaces Heating Apparatus, petroleum cracking equipment and engine etc.
Silicone based heat-resistant anticorrosive erosion coating, heat-resisting 200～300 ℃ of silicone resin varnish; Take silicone resin as base-material, add the coating of aluminum paste, heat-resistant filler, frit preparation, can be from doing, heat resisting temperature can reach 300～600 ℃, but acid and alkali-resistance not; Silicone based heat-resistant anticorrosive erosion coating have preferably thermotolerance, water tolerance, electrical insulating property and good mechanical property, but hardness is low, and flame resistivity is relatively poor, and cost is high.
Mineral-type heat-resistant anticorrosive erosion coating heat resisting temperature can reach 400～1000 ℃, even higher.Mineral-type heat resisting coating flame resistivity is good, hardness is high, but paint film property is more crisp, and is stricter to the processing requirements of ground.The Performance Ratio of a few class heat resisting coatings commonly used sees Table 1.
A few class heat resisting coating Performance Ratios that table 1 is commonly used
Organosilicon heat-resistant anticorrosive erosion solvent based coating generally exists environmental pollution large, operates the defectives such as harmful.Tetraethyl silicate heat-resistant anticorrosive erosion coating (pure dissolubility) can only be made zinc-rich paint, and paint film is crisp, can not make glossiness paint film, not the defective such as acid and alkali-resistance.Silicate heat resisting coating (water-soluble), silicon-dioxide silicon sol heat resisting coating paint film are crisp, the defectives such as poor adhesive force.Phosphate Heat Resistant Coatings (water-soluble) needs oven dry, and paint film is crisp, not the defective such as resistance to acids and bases.
Summary of the invention
Goal of the invention of the present invention is in order to overcome the defective of product described in the background technology, and a kind of have excellent physical mechanical property, excellent antiseptic property, environment-protecting asepsis, pure soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint applied widely are provided.
Second goal of the invention of the present invention is for a kind of rational practicable preparation method is provided in the soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint described in first goal of the invention.
First goal of the invention of the present invention is achieved by the following technical solution.A kind of pure soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint, its priming paint and finish paint unite two into one, and comprise A component and the B component that can carry out mixing match;
Wherein each moiety of A component take and the per-cent of weight as phosphoric acid 50%～70%, aluminium hydroxide 3%～10%, magnesium oxide 1%～5%, ethyl lactate 8%～20%, raw spirit 10%～30%;
Wherein each moiety of B component take and the per-cent of weight as ethyl lactate 5%～10%, raw spirit 15%～30%, polyvinyl butyral acetal 3%～5%, calcium zinc stabilizer 1%～5%, cupric oxide 50%～70%, pottery black 3%～10%, high-carbon black pigment 1%～2%, hyper-dispersant 0.1%～0.5%, aerosil 0.2%～0.5%, fluorin modified crylic acid flow agent 0.1%～0.5%.
A component and B component mix by proportioning during use, and the proportioning of its weight is A:B=0.5～1:1.
Second goal of the invention of the present invention is achieved by the following technical solution.A kind of preparation method of pure soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint comprises being prepared as follows step:
I), preparation A component: (1) at first drops into phosphoric acid by proportioning, stirs with 500 ~ 800r/min speed, then slowly drops into aluminium hydroxide, magnesium oxide by proportioning while stirring.Feed intake complete after, high speed dispersion approximately 30 minutes require to be disperseed more than the rotating speed 1200r/min.⑶ heat up, stir, and temperature rises to 155～158 ℃, complete stopped heating when transparent of solution.⑷ stir, the logical cooling water temperature of chuck, when temperature is down to below 70 ℃, sequentially drops into ethyl lactate, anhydrous industrial alcohol by proportioning while stirring.⑸ inspection by sampling, criterion of acceptability is: " be coated with-4 viscosity/25 ℃, 100～150s; Solids content 50%～55% ", then can after 180 order filtering nets filter.
II), preparation B component: (1) at first sequentially drops into ethyl lactate by proportioning, and raw spirit stirs with 500 ~ 800r/min speed, then slowly drops into polyvinyl butyral acetal by proportioning while stirring.Feed intake complete after, high speed dispersion approximately 30～60 minutes require to be disperseed more than the rotating speed 1200r/min, until PVB dissolves fully.With 500 ~ 800r/min speed stir lower by proportioning drop into sequentially slowly that calcium zinc stabilizer, cupric oxide, pottery are black, high-carbon black pigment, hyper-dispersant and aerosil.Feed intake complete after, high speed dispersion approximately 30 minutes require to be disperseed more than the rotating speed 1200r/min.⑸ the pre-dispersed laggard sand mill of high speed grinds, and mesh-of-grind requires to be not more than 40 microns, squeezes in the paint mixing cylinder after mesh-of-grind is up to standard.⑹ drop into fluorin modified crylic acid flow agent, stir about 15 minutes by proportioning.⑺ after inspection by sampling, standard reach index in the table 8, filter can through 180 order filtering nets.
When III) using with A component and B component in the ratio proportioning of A:B=0.5～1:1 and stir, then spray.
Beneficial effect of the present invention is as follows:
1. excellent physical and mechanical properties the technology of the present invention product alcohol soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint can form the same coating of similar enamel behind crosslinking curing, and coating is hard and have preferably characteristics such as snappiness, wear resistance, electroconductibility, shock-resistance.
2. the coating of excellent chemical-resistant and antiseptic property alcohol soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint has excellent chemical-resistant, the long period of soaking of the chemical such as the acid of height, alkali, salt, various oil product, aliphatic hydrocarbon.
3. environmental protection and nontoxicity alcohol soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint adopts alcoholic solvent as thinner in the construction application process, and is harmless to the workmen.
Embodiment
Illustrate as follows to of the present invention further describing:
A kind of pure soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint, its priming paint and finish paint unite two into one, and comprise A component and the B component that can carry out mixing match;
Example 1:A component proportion table (table 2)
B component proportion table (table 3)
Example 2:A component proportion table (table 4)
B component proportion table (table 5)
Example 3:
A component proportion table (table 6)
B component proportion table (table 7)
Above-mentioned preparation method comprises the following steps:
A), preparation A component: (1) at first drops into phosphoric acid, so that (500 ~ 800r/min) speed stir, and then slowly drop into while stirring aluminium hydroxide, magnesium oxide.Feed intake complete after, high speed dispersion (more than the 1200r/min) approximately 30 minutes.⑶ heat up, stir, and temperature rises to 155～158 ℃, stopped heating.⑷ stir cooling, when temperature is down to below 70 ℃, sequentially drops into while stirring ethyl lactate, anhydrous industrial alcohol.
⑸ inspection by sampling, qualified rear filtration (180 order) can.
B), preparation B component: (1) at first sequentially drops into ethyl lactate, and raw spirit is so that (500 ~ 800r/min) speed stir, and then slowly drop into while stirring polyvinyl butyral acetal.Feed intake complete after, high speed dispersion (more than the 1200r/min) approximately 30～60 minutes is until PVB dissolves fully.⑶ so that (500 ~ 800r/min) speed stir and to drop into slowly that calcium zinc stabilizer, cupric oxide, pottery are black down, high-carbon black pigment, hyper-dispersant and aerosil.Feed intake complete after, high speed dispersion approximately 30 minutes.⑸ the pre-dispersed laggard sand mill of high speed grinds, and squeezes in the paint mixing cylinder after mesh-of-grind is qualified.⑹ drop into flow agent, stir about 15 minutes.⑺ inspection by sampling, qualified rear filtration (180 order) can.
C), before the construction with A component and B component in the ratio proportioning of A:B=0.5～1:1 and the rear spraying that stirs.
The technology of the present invention product performance and technical indicator see the following form 8.
Table 8 the technology of the present invention product performance technical indicator
Annotate: HG/T3668-2000 " zinc rich primer " coating and pigment standard compilation coating products universal lacquer volume 2007 editions, China Standard Press
GB/T 1728--1978(1989) " paint film, putty membrane assay method time of drying " coating and pigment standard compilation coating test method general use volume is 2007 editions, China Standard Press
GB/T 1732--1993 " paint film shock-resistance assay method " coating and pigment standard compilation coating test method general use volume 2007 editions, China Standard Press
GB/T 1720--1979(1989) " paint film adhesion assay method " coating and pigment standard compilation coating test method general use volume is 2007 editions, China Standard Press
GB/T 1735-1979(1989) " paint film Heat-tolerance Determination method " coating and pigment standard compilation coating test method general use volume 2007 editions, China Standard Press
GB/T3048.2-2007 " electric wire electrical performance test method "
GB/T6747-2008 " shop primer peculiar to vessel " www.bzjsw.com
GB/T1771-1991 " mensuration of the anti-neutral salt spray performance of paint and varnish " coating and pigment standard compilation coating test method general use volume 2007 editions, China Standard Press
GB/T1763-1993 " paint film chemical reagent resistance assay method " coating and pigment standard compilation coating test method general use volume 2007 editions, China Standard Press
GB/T1733--1993 " paint film water tolerance assay method " coating and pigment standard compilation coating test method general use volume 2007 editions, China Standard Press
GB/T 6739-2006 " paint and varnish pencil method is measured hardness of paint film " coating and pigment standard compilation coating test method general use volume 2007 editions, China Standard Press
GB/T 9754-1988 " paint and varnish is the mensuration of 20 °, 60 ° and 85 ° specular glosss of the colored paint paint film of containing metal pigment not " coating and pigment standard compilation coating test method general use volume 2007 editions, China Standard Press
As can be seen from Table 10, this invention product has following characteristics:
1. excellent physical and mechanical properties the technology of the present invention product alcohol soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint can form the same coating of similar enamel behind crosslinking curing, and coating is hard and have preferably characteristics such as snappiness, wear resistance, electroconductibility, shock-resistance.
2. the coating of excellent chemical-resistant and antiseptic property alcohol soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint has excellent chemical-resistant, the long period of soaking of the chemical such as the acid of height, alkali, salt, various oil product, aliphatic hydrocarbon.
3. environmental protection and nontoxicity alcohol soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint adopts alcoholic solvent as thinner in the construction application process, and is harmless to the workmen.
8. the technology of the present invention product also can be applicable to the corrosion-proof coating under high temperature service acid and alkali-resistance and the chemical plant indoor and outdoor hot environment except can be applicable to traditional boiler, automobile skeleton, engine, vapor pipe, has widened Application Areas.
Claims (2)
1. pure soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint, its priming paint and finish paint unite two into one, and comprise A component and the B component that can carry out mixing match, and the proportioning of the weight of A component and B component is A:B=0.5～1:1;
Each moiety that it is characterized in that A component wherein take and the per-cent of weight as phosphoric acid 50%～70%, aluminium hydroxide 3%～10%, magnesium oxide 1%～5%, ethyl lactate 8%～20%, raw spirit 10%～30%;
Wherein each moiety of B component take and the per-cent of weight as ethyl lactate 5%～10%, raw spirit 15%～30%, polyvinyl butyral acetal 3%～5%, calcium zinc stabilizer 1%～5%, cupric oxide 50%～70%, pottery black 3%～10%, high-carbon black pigment 1%～2%, hyper-dispersant 0.1%～0.5%, aerosil 0.2%～0.5%, fluorin modified crylic acid flow agent 0.1%～0.5%.
2. the preparation method of the pure soluble phosphoric acid salt high temperature resistant long acting anti-corrosive paint described in the claim 1 is characterized in that its preparation method comprises the following steps:
I), preparation A component: (1) at first drops into phosphoric acid by proportioning, stirs with 500 ~ 800r/min speed, then slowly drops into aluminium hydroxide, magnesium oxide by proportioning while stirring; (2) feed intake complete after, high speed dispersion 30 minutes require to be disperseed more than the rotating speed 1200r/min; (3) heat up, stir, temperature rises to 155～158 ℃, complete stopped heating when transparent of solution; (4) stirring, the logical cooling water temperature of chuck when temperature is down to below 70 ℃, sequentially drop into ethyl lactate, raw spirit by proportioning while stirring; (5) inspection by sampling, qualified in can after the filtration of 180 order filtering nets;
II), preparation B component: (1) at first sequentially drops into ethyl lactate by proportioning, and raw spirit stirs with 500 ~ 800r/min speed, then slowly drops into polyvinyl butyral acetal by proportioning while stirring; (2) feed intake complete after, high speed dispersion 30～60 minutes require to be disperseed more than the rotating speed 1200r/min, until PVB dissolves fully; (3) with 500 ~ 800r/min speed stir lower by proportioning drop into sequentially slowly that calcium zinc stabilizer, cupric oxide, pottery are black, high-carbon black pigment, hyper-dispersant and aerosil; (4) feed intake complete after, high speed dispersion approximately 30 minutes require to be disperseed more than the rotating speed 1200r/min; (5) the pre-dispersed laggard sand mill of high speed grinds, and mesh-of-grind requires to be not more than 40 microns, squeezes in the paint mixing cylinder after mesh-of-grind is up to standard; (6) drop into fluorin modified crylic acid flow agent, stir about 15 minutes by proportioning; (7) filter can through 180 order filtering nets;
When III) using with A component and B component in the ratio proportioning of A:B=0.5～1:1 and stir, then spray.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110199797 CN102260423B (en) | 2011-07-18 | 2011-07-18 | Alcohol-soluble phosphate high temperature resistant long-acting anti-corrosive paint and preparation method thereof |
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| CN 201110199797 CN102260423B (en) | 2011-07-18 | 2011-07-18 | Alcohol-soluble phosphate high temperature resistant long-acting anti-corrosive paint and preparation method thereof |
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| CN102260423B true CN102260423B (en) | 2013-01-30 |
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| CN104449025B (en) * | 2013-09-24 | 2016-08-10 | 丹阳恒安化学科技研究所有限公司 | A kind of paint production method |
| CN107011791B (en) * | 2017-01-09 | 2019-10-01 | 苏州吉人高新材料股份有限公司 | A kind of organic-inorganic composite shop primer of not zincilate and preparation method thereof |
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| AU2002233244A1 (en) * | 2000-12-20 | 2002-07-01 | Ciba Specialty Chemicals Holding Inc. | Anti-corrosion agents |
| CN1214081C (en) * | 2002-06-27 | 2005-08-10 | 朱春富 | Energy-saving type inorganic electrothermal coating material |
| CN101358111B (en) * | 2008-08-27 | 2011-09-21 | 黑龙江省科学院石油化学研究院 | Phosphates adhesive and preparation method thereof |
| CN101659803A (en) * | 2009-04-09 | 2010-03-03 | 马超海 | Preparation method of heavy metal-free anticorrosive paint, finish paint and corresponding primer |
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Owner name: SUZHOU JIREN HIGH-TECH MATERIALS CO., LTD. Free format text: FORMER NAME: JIREN PAINTS IND CO., LTD., SUZHOU |
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Address after: 215143 Jiangsu city in Suzhou Province town of Xiangcheng District Wong Tai Pan Yang Industrial Park Road, spring Patentee after: SUZHOU JIREN HIGH-TECH MATERIALS CO., LTD. Address before: 215143 Jiangsu city in Suzhou Province town of Xiangcheng District Wong Tai Pan Yang Industrial Park Road, spring Patentee before: Jiren Paints Ind Co., Ltd., Suzhou |