CN104178023B - A kind of toughness selfreparing metal anti-corrosion paint and preparation method thereof - Google Patents
A kind of toughness selfreparing metal anti-corrosion paint and preparation method thereof Download PDFInfo
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- CN104178023B CN104178023B CN201410424574.1A CN201410424574A CN104178023B CN 104178023 B CN104178023 B CN 104178023B CN 201410424574 A CN201410424574 A CN 201410424574A CN 104178023 B CN104178023 B CN 104178023B
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Abstract
A kind of toughness selfreparing metal anti-corrosion paint and preparation method thereof, is made up of alkyl silicon alkyl ester, zinc powder, additive and auxiliary agent etc., after certain percentage by weight proportioning, prepares after double-component mix homogeneously.The present invention can be used for steel high-performance antirust paint and is used, it is applicable to production line balance, dryness is fast, efficiency is high, with low cost, there is good welding and cutting performance, excellent resistance to impact and wearability, excellent low temperature curing properties and solvent resistance, preferably pliability and adhesive force, and can be supporting with most of paint systems, antiseptic effect is preferable.The more important thing is, the anti-corrosion of metal priming paint that the present invention relates to, not only meet the requirement of environmental protection, or a kind of intelligence toughness selfreparing corrosion resistant coating, after coating is destroyed, resin can open part silica chemistry of silicones key, by silica silicon from migrating and self assembly effect, make up impaired coating surface, thus continue to anticorrosion phase effect.
Description
Technical field
The present invention relates to anticorrosive paint field, be specifically related to a kind of toughness selfreparing metal anti-corrosion paint and preparation method thereof.
Background technology
Metal material is the important substance basis of human social development, but substantial amounts of metal material especially ferrous materials
Corrosion bring huge loss to human society.It is reported the economic loss that the U.S. in 2013 causes because of metallic material corrosion
It is about 800,000,000,000 dollars, is equivalent to 4.5 wt% of national of the United States's total output value then (GNP).The metal of other industrialized countries
The loss that material corrosion causes constitutes about the 3-5 wt% of its GNP.The metallic material corrosion year loss of China is 5000-10000 hundred million
Unit, occupies larger share in the ratio of GDP.Visible, metallic material corrosion has become affects national economy and society is sustainable
One of key factor of development, therefore research metal erosion controls technology and method, prevents or slows down corrosion failure, to economical with
Social development is significant.At present, domestic anti-corrosion of metal priming paint, function singleness, weatherability is not good enough, and production efficiency is low,
Energy consumption is big, and environmental pollution is serious.And along with the enhancing of people's environmental consciousness and the objective requirement of environmental conservation, environmental type
The cry of anti-corrosion primer is more and more higher.Although traditional solvent-borne anticorrosive paint has a good antiseptic property, but its chemical-bond type
Single, the most crisp, be difficult to processing, pollution resistance and alkali resistance are the best, and produce and coating process in can cause a large amount of organic solvent
Volatilization.Not only compromise the performance of film, threaten the health of operating personnel and cause environmental pollution, being also unfavorable for national economy
Sustainable development.Therefore, the anticorrosive paint of developing intellectual resource and the high-performance with using value becomes current anticorrosive paint
One of primary study direction.
Summary of the invention
In order to solve the shortcoming of prior art, the present invention provides a kind of toughness selfreparing metal anti-corrosion paint and preparation thereof
Method, the present invention is using attapulgite as the auxiliary agent of coating, and brushing performance is good, not sagging, saves the consumption of titanium dioxide, reduces
Production cost, it is possible to form the stable suspension not destroyed by electrolyte, makes coating not precipitate, not stratified, or a kind of intelligence
Energy toughness self-healing coatings, after coating is destroyed, resin can open part silica chemistry of silicones key, by silica silicon from moving
Move and self assembly effect, make up impaired coating surface, thus continue to anticorrosion phase effect.
The technical solution that the present invention uses is:
A kind of toughness selfreparing metal anti-corrosion paint, by weight percentage, including first, second component,
Described first component includes:
Polyvinyl butyral resin: 2-5%
Hydroxy silicon oil: 10-20%
Zinc powder: 30-35%
Composite iron-titanium powder: 25-35%
Attapulgite: 2-8%
Alcohols solvent: 15-35%
Above each several part summation is 100%；
Described second component includes:
Alkyl silicon alkyl ester: 50-75%
Alcohols solvent: 10-35%
Acidifying water: 5-15%
Above each several part summation is 100%；
Described first component: second component=1.5-2.5: 4.
Described a kind of toughness selfreparing metal anti-corrosion paint, described hydroxy silicon oil mean molecule quantity is at 400-800.
Described a kind of toughness selfreparing metal anti-corrosion paint, it is characterised in that described alcohols solvent be ethanol, butanol,
One or more in isopropanol.
A kind of preparation method of toughness selfreparing metal anti-corrosion paint, described preparation method comprises the following steps:
(1) preparation of first component: by polyvinyl butyral resin: 2-5%, hydroxy silicon oil: 10-20%, zinc powder: 30-35% are multiple
Close ferrotitanium powder: 25-35%, attapulgite: 2-8%, alcohols solvent: 15-35% and mix to obtain first component；
(2) acidifying water preparation: by 5 parts of anhydrous ZnCl2It is dissolved in 95 parts of deionized waters, with HCl, pH value is adjusted to 3-4,
Prepare acidifying water；
(3) preparation of second component: alkyl silicon alkyl ester be dissolved in alcohols solvent, is adjusted to 3-4 with HCl by pH value, in stirring
Dropping acidifying water, maintains temperature at 40-50 DEG C, detects reaction end with morpholine agent, and setting time is between 1-3 min, i.e.
Thinking and react to terminal, cooling can obtain second component；
(4) first, second component mixing: first, second component is mixed in the ratio of 1.5-2.5: 4 and i.e. prepares described toughness certainly
Repair metal anti-corrosion paint.
A kind of toughness selfreparing metal anti-corrosion paint, by weight percentage, including first, second component,
Described first component includes:
Polyvinyl butyral resin: 2-5%
Hydroxy silicon oil: 8-15%
Aqueous epoxy emulsion: 10-15%
Zinc powder: 30-35%
Composite iron-titanium powder: 15-30%
Attapulgite: 2-8%
Alcohols solvent: 15-35%
Above each several part summation is 100%；
Described second component includes:
Alkyl silicate: 50-75%
Aminopropyl trimethoxysilane: 3-6%
Alcohols solvent: 25-40%
Water: 5-15%
Ammonia: 2-8%
Above each several part summation is 100%；
Described first component: second component=1.5-2.5: 4.
Described a kind of toughness selfreparing metal anti-corrosion paint, described hydroxy silicon oil mean molecule quantity is at 400-800.
Described a kind of toughness selfreparing metal anti-corrosion paint, it is characterised in that described alcohols solvent be ethanol, butanol,
One or more in isopropanol.
A kind of preparation method of toughness selfreparing metal anti-corrosion paint, described preparation method comprises the following steps:
(1) preparation of first component: by polyvinyl butyral resin: 2-5%, hydroxy silicon oil: 8-15%, aqueous epoxy emulsion: 10-
15%, zinc powder: 30-35%, composite iron-titanium powder: 15-30%, attapulgite: 2-8%, alcohols solvent: 15-35% mix to obtain first component；
(2) preparation of second component: by alkyl silicate: 50-75%, aminopropyl trimethoxysilane: 3-6%, alcohols solvent:
25-40%, water: 5-15%, ammonia: 2-8% mix homogeneously at normal temperatures two hours prepared second components of stirring；
(4) first, second component mixing: first, second component is mixed in the ratio of 1.5-2.5: 4 and i.e. prepares described toughness certainly
Repair metal anti-corrosion paint.
The invention has the beneficial effects as follows: the invention provides a kind of toughness selfreparing metal anti-corrosion paint and preparation method thereof,
It is made up of alkyl silicon alkyl ester, zinc powder, additive and auxiliary agent etc., after certain percentage by weight proportioning, double-component mix homogeneously
Rear prepared.The present invention can be used for steel high-performance antirust paint and is used, it is adaptable to production line balance, and dryness is fast, and efficiency is high, low cost
Honest and clean, there is good welding and cutting performance, excellent resistance to impact and wearability, excellent low temperature curing properties and solvent resistant
Property, preferably pliability and adhesive force, and can be supporting with most of paint systems, antiseptic effect is preferable.The more important thing is, this
The bright anti-corrosion of metal priming paint related to, not only meets the requirement of environmental protection, or a kind of intelligence toughness selfreparing corrosion resistant coating, is being coated with
After layer is destroyed, resin can open part silica chemistry of silicones key, by silica silicon from migrating and self assembly effect, makes up and is subject to
The coating surface damaged, thus continue to anticorrosion phase effect.
Detailed description of the invention
The present invention mainly prepares what method realized by acid and alkali formula.Acid and alkali formula are prepared method and are utilized respectively different alkane
Base silane is raw material, can carry out suitable tune according to the difference of the cost of raw material, the use difference of environment, the demand of performance
Joint, filters out suitable preparation method.
Embodiment one (acid prepares method):
Following component is according to percentage by weight proportioning, and is mixed uniformly according to certain condition:
First component:
Polyvinyl butyral resin: 2-5%
Hydroxy silicon oil: 10-20%
Zinc powder: 30-35%
Composite iron-titanium powder: 25-35%
Attapulgite: 2-8%
Alcohols solvent: 15-35%
Above each several part summation is 100%.
Second component:
Alkyl silicon alkyl ester: 50-75%
Alcohols solvent: 10-35%
Acidifying water: 5-15%
Above each several part summation is 100%.
First component: second component=1.5-2.5: 4
Described preparation method comprises the following steps:
(1) preparation of first component: by polyvinyl butyral resin: 2-5%, hydroxy silicon oil: 10-20%, zinc powder: 30-35% are multiple
Close ferrotitanium powder: 25-35%, attapulgite: 2-8%, alcohols solvent: 15-35% and mix to obtain first component；
(2) acidifying water preparation: by 5 parts of anhydrous ZnCl2It is dissolved in 95 parts of deionized waters, with HCl, pH value is adjusted to 3-4,
Prepare acidifying water；
(3) preparation of second component: alkyl silicon alkyl ester be dissolved in alcohols solvent, is adjusted to 3-4 with HCl by pH value, in stirring
Dropping acidifying water, maintains temperature at 40-50 DEG C, detects reaction end with morpholine agent, and setting time is between 1-3 min, i.e.
Thinking and react to terminal, cooling can obtain second component；
(4) first, second component mixing: first, second component is mixed in the ratio of 1.5-2.5: 4 and i.e. prepares described toughness certainly
Repair metal anti-corrosion paint.
Wherein, alcohols solvent is ethanol, butanol, isopropanol etc., and each boiling point section solvent of can arranging in pairs or groups as required is deployed into institute
Need solvent.Hydroxy silicon oil mean molecule quantity effect between 400-800 is preferable.In acidifying water system, deionized water accounts for 95%,
Anhydrous ZnCl2Account for 5%, use front HCl that pH value is adjusted to 3-4 standby.
Acidifying water consumption: every 100 Kg alkyl silicon alkyl ester (SiO2Content is 35-40%) complete hydrolysis needs acidifying water 34 Kg,
And actual degree of hydrolysis should not be greater than 50%(17 Kg), otherwise storage period, is the shortest, and actual degree of hydrolysis is also not lower than 25%(8.5
Kg), otherwise dried coating film is the slowest.
It is embodied as formula table as follows:
Embodiment two (alkali formula prepares method):
Following component is according to percentage by weight proportioning, and is mixed uniformly according to certain condition:
First component:
Polyvinyl butyral resin: 2-5%
Hydroxy silicon oil: 8-15%
Aqueous epoxy emulsion: 10-15%
Zinc powder: 30-35%
Composite iron-titanium powder: 15-30%
Attapulgite: 2-8%
Alcohols solvent: 15-35%
Above each several part summation is 100%.
Second component:
Alkyl silicate: 50-75%
Aminopropyl trimethoxysilane: 3-6%
Alcohols solvent: 25-40%
Water: 5-15%
Ammonia: 2-8%
Above each several part summation is 100%.
First component: second component=1.5-2.5: 4
Described preparation method comprises the following steps:
(1) preparation of first component: by polyvinyl butyral resin: 2-5%, hydroxy silicon oil: 8-15%, aqueous epoxy emulsion: 10-
15%, zinc powder: 30-35%, composite iron-titanium powder: 15-30%, attapulgite: 2-8%, alcohols solvent: 15-35% mix to obtain first component；
(2) preparation of second component: by alkyl silicate: 50-75%, aminopropyl trimethoxysilane: 3-6%, alcohols solvent:
25-40%, water: 5-15%, ammonia: 2-8% mix homogeneously at normal temperatures two hours prepared second components of stirring；
(4) first, second component mixing: first, second component is mixed in the ratio of 1.5-2.5: 4 and i.e. prepares described toughness certainly
Repair metal anti-corrosion paint.
Wherein, alcohols solvent is ethanol, butanol, isopropanol etc., and each boiling point section solvent of can arranging in pairs or groups as required is deployed into institute
Need solvent.Hydroxy silicon oil mean molecule quantity effect between 400-800 is preferable.
It is embodied as formula table as follows:
Performance test:
Paint formulation in above-described embodiment is coated steel surface, and after dry solidification, available coating carries out performance survey
Examination, result is as follows:
Toughness selfreparing anti-corrosive metal coating quality index testing result is as shown in the table:
Additionally, also by measuring apparatus such as plasma sputtering instrument, film thickness gauges the self-healing properties of coating.Coating surface
Being destroyed by plasma sputtering instrument, after one week, coating layer thickness reverts to original 50%, and after two weeks, coating layer thickness recovers to originally
80%, this shows that coating has certain self-reparing capability.
Claims (5)
1. the preparation method of a toughness selfreparing metal anti-corrosion paint, it is characterised in that described preparation method includes following step
Rapid:
(1) preparation of first component: by polyvinyl butyral resin: 2-5%, hydroxy silicon oil: 10-20%, zinc powder: 30-35%, compound iron
Titanium valve: 25-35%, attapulgite: 2-8%, alcohols solvent: 15-20% mix to obtain first component；
(2) acidifying water preparation: by 5 parts of anhydrous ZnCl2It is dissolved in 95 parts of deionized waters, with HCl, pH value is adjusted to 3-4, prepare acid
Change water；
(3) preparation of second component: 50-75% alkyl silicate is dissolved in 10-35% alcohols solvent, with HCl, pH value is adjusted to 3-
4, stirring drips 5-15% acidifying water, maintains temperature at 40-50 DEG C, detect reaction end with morpholine agent, setting time is at 1-
Between 3 min, i.e. thinking and react to terminal, cooling can obtain second component；
(4) first, second component mixing: first, second component is mixed in the ratio of 1.5-2.5: 4 and i.e. prepares described toughness selfreparing
Metal anti-corrosion paint.
2. a toughness selfreparing metal anti-corrosion paint, it is characterised in that by weight percentage, including first, second component,
Described first component includes:
Polyvinyl butyral resin: 2-5%
Hydroxy silicon oil: 8-15%
Aqueous epoxy emulsion: 10-15%
Zinc powder: 30-35%
Composite iron-titanium powder: 15-30%
Attapulgite: 2-8%
Alcohols solvent: 15-35%
Above each several part summation is 100%；
Described second component includes:
Alkyl silicate: 50-75%
Aminopropyl trimethoxysilane: 3-6%
Alcohols solvent: 25-40%
Water: 5-15%
Ammonia: 2-8%
The most each component summation is 100%；
Described first component: second component=1.5-2.5: 4.
A kind of toughness selfreparing metal anti-corrosion paint the most according to claim 2, it is characterised in that described hydroxy silicon oil is put down
Average molecular weight is at 400-800.
A kind of toughness selfreparing metal anti-corrosion paint the most according to claim 2, it is characterised in that described alcohols solvent is
One or more in ethanol, butanol, isopropanol.
5. the preparation method of a toughness selfreparing metal anti-corrosion paint, it is characterised in that described preparation method includes following step
Rapid:
(1) preparation of first component: by polyvinyl butyral resin: 2-5%, hydroxy silicon oil: 8-15%, aqueous epoxy emulsion: 10-15%,
Zinc powder: 30-35%, composite iron-titanium powder: 15-30%, attapulgite: 2-8%, alcohols solvent: 15-35% mix to obtain first component, above
Each component summation is 100%；
(2) preparation of second component: by alkyl silicate: 50-75%, aminopropyl trimethoxysilane: 3-6%, alcohols solvent: 25-
40%, water: 5-15%, ammonia: 2-8% mix homogeneously at normal temperatures, two hours prepared second components of stirring, above each component summation is
100%；
(3) first, second component mixing: first, second component is mixed in the ratio of 1.5-2.5: 4 and i.e. prepares described toughness selfreparing
Metal anti-corrosion paint.
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| CN105273140A (en) * | 2015-11-18 | 2016-01-27 | 全椒县志宏机电设备设计有限公司 | Macromolecule self-repairing mechanical material and preparation method thereof |
| CN105505121B (en) * | 2016-01-04 | 2017-10-20 | 青岛农业大学 | It is a kind of that there is self-healing coating of collaboration antiseptic effect and preparation method thereof |
| CN105820713A (en) * | 2016-05-03 | 2016-08-03 | 沈阳建筑大学 | Self-repairing coating for marine ships and preparation method thereof |
| CN105802310B (en) * | 2016-05-07 | 2019-01-29 | 浙江大学自贡创新中心 | The application method of inexpensive corrosion inhibiter support structures |
| CN108410361A (en) * | 2018-03-20 | 2018-08-17 | 安徽三联学院 | A kind of automobile finish reparation paint and its renovation technique |
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| CN100582180C (en) * | 2006-11-22 | 2010-01-20 | 中国石油集团工程技术研究院 | Self-fixing zinc-rich primer in petroleum storage tank for resisting corrosion and preparation method thereof |
| CN102558922B (en) * | 2011-12-20 | 2013-09-04 | 广州中国科学院工业技术研究院 | Delayed-combustion-retarding high-temperature-resisting workshop primer and preparation method thereof |
| CN102719184A (en) * | 2012-06-28 | 2012-10-10 | 福建百花化学股份有限公司 | Self-repairing anticorrosive paint and preparation method thereof |
| CN102876156A (en) * | 2012-10-26 | 2013-01-16 | 江苏华夏制漆科技有限公司 | Low-cost high-temperature-resistant coating |
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