CN101948655B - Lightweight preservative and antistatic paint and preparation method thereof - Google Patents
Lightweight preservative and antistatic paint and preparation method thereof Download PDFInfo
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- CN101948655B CN101948655B CN 201010285403 CN201010285403A CN101948655B CN 101948655 B CN101948655 B CN 101948655B CN 201010285403 CN201010285403 CN 201010285403 CN 201010285403 A CN201010285403 A CN 201010285403A CN 101948655 B CN101948655 B CN 101948655B
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Abstract
The invention discloses a lightweight preservative and antistatic paint which is prepared by raw materials of a colored paint and a curing agent with the following weight ratio of 100 to (8 to 12), wherein the colored paint is prepared by the raw materials of 25 to 45wt% of resin, 4 to 6wt% of titanium white, 4 to 6wt% of talcum powder, 12 to 25wt% of electric conduction stuffing, 30 to 40wt% of solvent, 1 to 3wt% of auxiliary and 1 to 2wt% of preservative. The invention also discloses a preparation method of the paint. The paint of the invention has the advantages of shallow color, low coating surface density, high static conductive stability, and excellent preservative property, physical and mechanical properties and chemical stability, and can be used for the preservative and antistatic protection of the composite surface of missiles, airplanes and the like, and oil storage tanks, oil pipelines, workshops for inflammable and explosive chemical products, etc.
Description
Technical field
The invention belongs to chemical industry and technical field of coatings, be specifically related to a kind of lightweight anticorrosion and antistatic two-in-one coating and preparation method thereof.
Background technology
Matrix material is a kind of new engineering material that grows up nearly decades, has that specific tenacity is large, specific rigidity is large, relative density is little and the advantage such as good in thermal property, and the application of these new engineering material on aeronautical engineering constantly enlarges.Glass fiber compound material is just for the manufacture of radome of fighter and some equipment hatchcovers since the forties.In succession study again the carbon-fibre composite of successful high-modulus and be used as aircraft construction material the sixties to the seventies.But matrix material can be subject to aerial wet gas, salt fog at nature, drench with rain and the comprehensive action of the factor such as Exposure to Sunlight, make it to produce catabiosis, so that its outward appearance, mechanical property and electrical property etc. will change all.For example, obvious appearance change can occur in the glass fibre reinforced composion that does not add protection under atmospheric condition, and surface staining, colour-change, resin cracks come off and the breakoff phenomenon such as the exposed oxidation of fiber.In the weathering process of matrix material, the destruction of fiber and resin boundary surface is active; And matrix material is to water sensitive, and the raindrop in flight course in atmosphere are also very serious to the destruction of technique for aircraft composite, can obviously reduce mechanical property and the electric property of material.In addition, the electroconductibility of matrix material is relatively poor, and electronics often is subjected to thunderbolt and electrostatic influence and cisco unity malfunction even causes fatal crass's accident in flight course.At present the anticorrosion and antistatic coating of technique for aircraft composite be by after painting anticorrosion priming paint, polishing again the application antistatic coating realize anticorrosion and anlistatig purpose, this has extended process period, has virtually reduced operating efficiency; Coat side density is generally greater than 2.0g/ (m
2μ m), therefore also will cause weight increase, the useful load of aircraft to reduce.And a lot of antistatic coatings are take graphite, graphitized carbon black etc. as conductive filler material, and the color is too dark and be unfavorable for construction.See the introduction of Chinese patent CN1072708 for details.
Summary of the invention
Existing composite products coating wt is large in order to solve in the present invention, coating process and the low technical problem of operating efficiency, proposes a kind ofly can significantly to reduce coating wt, reduces the coating and preparation method thereof of the lightweight anticorrosion and antistatic that integrates anticorrosion and anti-static function of coating process and raising operating efficiency.
For solving described problem, the coating of the lightweight anticorrosion and antistatic that the present invention proposes, its preparation of raw material by following weight ratio forms: colored paint: solidifying agent=100: 8～12; Wherein, colored paint is formed by the preparation of raw material of following weight percentage: resin is 25～45%, titanium dioxide is 4～6%, talcum powder is 4～6%, conductive filler material is 12～25%, solvent is 30～40%, auxiliary agent is 1～3%, sanitas is 1～2%.
The preparation method of the lightweight anticorrosion and antistatic paint that the present invention proposes, its step comprises:
(1), in proportion first resin and solvent are joined one and disperse in bucket, then add successively in proportion auxiliary agent, titanium dioxide, talcum powder and sanitas, then with high speed dispersor with the pre-dispersed 0.5～1h of material;
(2), with sand mill, pre-dispersed mixture is ground to below 30 μ m;
(3), the mixture after grinding is transferred to paint mixing bucket, adds conductive filler material high speed dispersion 1～3h again, obtains colored paint after filtration;
(4), in proportion colored paint and solidifying agent are added in agitation vat, with material stirring 15～20min, obtain at last coating with homogenizer.
The present invention synthesizes the adhesive system of mechanics and antiseptic property excellence by Molecular Structure Design.The static inhibitor of the color stuffing of selection low density, antiseptic property excellence and light weight, easy dispersion, stable in properties has realized that the lightweight thin layer of antistatic coating is anticorrosion.Antistatic primer coating provided by the invention is mechanical property and medium-resistance excellence not only, and compared with similar products, has following outstanding feature: 1, the anti-corrosion function of existing excellence has again stable anti-static function; 2, look shallow, coating is thin, lightweight; 3, operating efficiency is high, and painting cost is low; 4, physical and mechanical properties and chemical stability.
Due to the static inhibitor that adopts light color, coatingsurface is light grey, constructability; Coating provided by the present invention has good acidproof, alkaline-resisting, oil resistant and salt spray resistance; Hardness of paint film is high, sticking power good, coating is fine and close.The thin layer that can realize coating when realizing anti-static function is anticorrosion.Anticorrosion and antistatic paint provided by the present invention why have above-mentioned advantage be following some: (1) resin is the main film forming substance of coating, determine mechanical property and the medium-resistance of coated material, selecting epoxy resin, urethane and the polyurethane modified epoxy adhesive system of mechanical property and antiseptic property excellence can realize the anticorrosion of matrix resin by the balance of adjusting mechanics and chemical property; (2) according to the coating shield principle, color stuffing can play isolation and slowing down corrosion medium to the corrosion speed of base material in paint film, thus the preservative activity of playing.Provide weather resistance that good opacifying power and anti-ultraviolet aging performance, talcum powder strengthen paint film and impact resistance and a small amount of nano anti-corrosive filler to increase the compactness of paint film by Rutile type Titanium Dioxide; (3) adopt light weight, easily disperse and flaky mica powder that the nano semiconductor material of stable in properties coats can overcome as static inhibitor that nanometer semiconductor oxidation is easily reunited, difficult problem of disperseing, sheet structure is conducive to conductive filler material contact formation conductive channel simultaneously, has excellent antistatic effect under lower packing ratio, thereby reduce coat side density, be conducive to the loss of weight of aircraft.In sum, coating of the present invention can be used for the composite material surface anticorrosion and antistatics such as aircraft and petroleum storage tank, oil pipeline, inflammable and explosive Chemicals factory building.
Specific embodiments
The coating of the lightweight anticorrosion and antistatic that the present invention proposes, its preparation of raw material by following weight ratio forms: colored paint: solidifying agent=100: 8～12; Wherein, colored paint is formed by the preparation of raw material of following weight percentage:
Resin is 25～45%, titanium dioxide is 4～6%, talcum powder is 4～6%, conductive filler material is 12～25%, solvent is 30～40%, auxiliary agent is 1～3%, sanitas is 1～2%.
Wherein, resin can be selected epoxy resin, urethane resin or polyurethane modified epoxy resin as required.Conductive filler material can be selected the flaky mica powder of nano tin dioxide coating or the flaky mica powder that nano oxidized antimony coats.The granularity of this flaky mica powder is 5～20 μ m, the resistivity of flaky mica powder＜80 Ω cm.Solvent can be selected a kind of in toluene, dimethylbenzene, tetrahydrofuran (THF), propyl carbinol, ethyl acetate, pimelinketone, also can need adopt as required above-mentioned various ingredients to be used in conjunction with.Sanitas is selected a kind of in iron oxide yellow, zinc phosphate and nano combined ferrotitanium powder, also can need adopt as required above-mentioned various ingredients to be used in conjunction with.Above-mentioned materials all can be bought by the industrial chemicals suppliers.
As shown in table 1, exemplified the weight proportion table of six embodiment of coating of the present invention, namely by the different value amount of each component, be hybridly prepared into required coating.Table 1:
Concrete preparation is performed such: first resin and solvent are joined in a dispersion bucket in proportion according to formula, add successively auxiliary agent, color stuffing and sanitas by formula rate again, then with high speed dispersor with pre-dispersed 45 minutes of material, as required also can be pre-dispersed 30 minutes or 1 hour.With sand mill, pre-dispersed mixture is ground to below 30 μ m again, then will
Mixture after grinding is transferred to paint mixing bucket, adds conductive filler material high speed dispersion 2 hours again, as required also can high speed dispersion 1 hour or 3 hours, and after filtering, 200 eye mesh screens obtain qualified colored paint.This colored paint and coating performance see Table 2.
Table 2
According to formula rate, colored paint and solidifying agent are added in agitation vat at last, with material stirring 15 minutes, finally obtain coating with homogenizer.
After 7 days, surface resistivity is 0.1M Ω～100M Ω, area density 1.36g/ (m to the coating paint film of preparation 25 ℃ of curing
2μ m)～1.58g/ (m
2μ m), adhesion 1 grade, shock strength 50kg.cm, pencil hardness 3H, snappiness 1mm, salt spray resistance pass through 1000h, artificial accelerated aging is greater than 2000h, and test piece is soaked six months coating paint films without considerable change at medium indoor temps such as aviation kerosene, 5%NaCl.
Coating of the present invention has that look shallow, coat side density is low, lead good, the excellent antiseptic property of electrostatic stabilization, physical and mechanical properties and chemical stability, can be used for the composite material surface anticorrosion and antistatics such as guided missile, aircraft and petroleum storage tank, oil pipeline, inflammable and explosive Chemicals factory building etc.
Claims (2)
1. the coating of a lightweight anticorrosion and antistatic, is characterized in that, described coating is formed by the preparation of raw material of following weight ratio: colored paint: solidifying agent=100: 8～12;
Wherein, colored paint is formed by the preparation of raw material of following weight percentage:
Resin 25～45%,
Titanium dioxide 4～6%,
Talcum powder 4～6%,
Conductive filler material 12～25%,
Solvent 30～40%,
Auxiliary agent 1～3%,
Sanitas 1～2%;
Wherein: described resin be epoxy resin, urethane resin or polyurethane modified epoxy resin any;
Described titanium dioxide is Rutile type Titanium Dioxide;
Described conductive filler material is the flaky mica powder that nano oxidized antimony coats;
The granularity of described flaky mica powder is 5～20 μ m, the resistivity of flaky mica powder＜80 Ω cm;
Described sanitas is selected a kind of in iron oxide yellow, zinc phosphate and nano combined ferrotitanium powder;
The preparation method of the coating of described lightweight anticorrosion and antistatic, it comprises the following steps:
(1), in proportion first resin and solvent are joined one and disperse in bucket, then add successively in proportion auxiliary agent, titanium dioxide, talcum powder and sanitas, then with high speed dispersor with pre-dispersed 0.5～1 h of material;
(2), with sand mill, pre-dispersed mixture is ground to below 30 μ m;
(3), the mixture after grinding is transferred to paint mixing bucket, adds conductive filler material high speed dispersion 1～3 h again, obtains colored paint after filtration;
(4), in proportion colored paint and solidifying agent are added in agitation vat, with material stirring 15～20 min, obtain at last coating with homogenizer.
2. according to coating claimed in claim 1, it is characterized in that, described solvent is at least a kind of in toluene, dimethylbenzene, tetrahydrofuran (THF), propyl carbinol, ethyl acetate, pimelinketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010285403 CN101948655B (en) | 2010-09-17 | 2010-09-17 | Lightweight preservative and antistatic paint and preparation method thereof |
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| CN 201010285403 CN101948655B (en) | 2010-09-17 | 2010-09-17 | Lightweight preservative and antistatic paint and preparation method thereof |
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| CN101948655A CN101948655A (en) | 2011-01-19 |
| CN101948655B true CN101948655B (en) | 2013-06-19 |
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Families Citing this family (12)
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|---|---|---|---|---|
| CN103360910B (en) * | 2013-08-07 | 2015-09-09 | 广东新劲刚新材料科技股份有限公司 | Without the water-base epoxy electrically conducting coating and preparation method thereof of grinding aid |
| CN104327715A (en) * | 2014-11-26 | 2015-02-04 | 江苏博腾新材料股份有限公司 | Antistatic floor paint |
| CN104923524A (en) * | 2015-06-12 | 2015-09-23 | 山东电力建设第一工程公司 | Wind generating set spindle etched surface treatment method |
| CN105153877A (en) * | 2015-09-30 | 2015-12-16 | 国网山东省电力公司临沂供电公司 | Anticorrosive coating for grounding down conductor |
| CN105713486B (en) * | 2016-04-27 | 2018-05-22 | 广东新劲刚新材料科技股份有限公司 | Solvent-free type anticorrosion static conductive coating and preparation method thereof |
| CN108084659B (en) * | 2017-12-23 | 2020-04-24 | 江苏通威玻璃钢有限公司 | Preparation method of high-strength antistatic glass fiber reinforced plastic material |
| CN108749215A (en) * | 2018-03-16 | 2018-11-06 | 太仓优上展示器具有限公司 | A kind of the multipurpose novel showing stand and its manufacture craft of the non-sticky ash of antistatic |
| CN110591503A (en) * | 2019-09-24 | 2019-12-20 | 徐州金亚粉体有限责任公司 | Preparation method of anti-static floor coating |
| CN111100493B (en) * | 2019-12-03 | 2021-10-01 | 北京卫星制造厂有限公司 | Graphene anti-corrosion-thermal control-anti-static integrated functional coating and preparation method thereof |
| CN111073448B (en) * | 2019-12-03 | 2021-10-01 | 北京卫星制造厂有限公司 | Antistatic and anticorrosive coating and preparation method thereof |
| CN111471338A (en) * | 2020-04-02 | 2020-07-31 | 北京卫星制造厂有限公司 | Anti-static and anti-corrosion coating for surface of light alloy and preparation method thereof |
| CN111471340A (en) * | 2020-04-02 | 2020-07-31 | 北京卫星制造厂有限公司 | Graphene anti-corrosion-thermal control-anti-static integrated functional coating and preparation method thereof |
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|---|---|---|---|---|
| US5792803A (en) * | 1994-08-09 | 1998-08-11 | Ronald R. Savin | Cathodic coating compositions comprising lightweight hollow glass microspheres and zinc powder |
| CN1221768A (en) * | 1997-12-30 | 1999-07-07 | 北京红狮涂料公司 | Oil resistance anticorrosion and antistatic paint and its prepn. method |
| CN101372601A (en) * | 2008-10-17 | 2009-02-25 | 洛阳七维防腐工程材料有限公司 | Oil resistant (solvent), heatproof static conducting anti-corrosive paint and preparation thereof |
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2010
- 2010-09-17 CN CN 201010285403 patent/CN101948655B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5792803A (en) * | 1994-08-09 | 1998-08-11 | Ronald R. Savin | Cathodic coating compositions comprising lightweight hollow glass microspheres and zinc powder |
| CN1221768A (en) * | 1997-12-30 | 1999-07-07 | 北京红狮涂料公司 | Oil resistance anticorrosion and antistatic paint and its prepn. method |
| CN101372601A (en) * | 2008-10-17 | 2009-02-25 | 洛阳七维防腐工程材料有限公司 | Oil resistant (solvent), heatproof static conducting anti-corrosive paint and preparation thereof |
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