CN103436172A - Efficient polyurethane asphalt anticorrosive coating - Google Patents
Efficient polyurethane asphalt anticorrosive coating Download PDFInfo
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- CN103436172A CN103436172A CN2013103600578A CN201310360057A CN103436172A CN 103436172 A CN103436172 A CN 103436172A CN 2013103600578 A CN2013103600578 A CN 2013103600578A CN 201310360057 A CN201310360057 A CN 201310360057A CN 103436172 A CN103436172 A CN 103436172A
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Abstract
The invention provides an efficient polyurethane asphalt anticorrosive coating which is prepared from polyurethane, alkyd resin, modified asphalt, anticorrosive pigment and gallotannic acid in parts by weight. According to the invention, the idea of adding polyolefins modified asphalt into a polyurethane coating system to improve the surface elasticity of a coating film of the coating, high-and-low-temperature resistant transforming ability and the like is innovatively proposed, the preservation time of a product is as long as to be up to or even more than 5 years, meanwhile, composited zinc sulfate with a good anticorrosive property is taken as the anticorrosive pigment, the composited zinc sulfate takes part in transforming the slight corrosion, so that the tolerance of the coating on a base material and the adhesion force of the paint film are increased, furthermore, the gallotannic acid capable of reacting with a base material steel is added, so that the labor intensity is reduced, the rust adhered to the surface is removed, and the adhesion force of the paint film is increased.
Description
Technical field
The present invention relates to technical field of coatings, be specifically related to a kind of efficient polyurethane asphalt corrosion-resistant coating.
Background technology
Oil, chemical industry fast development, the protection of petroleum storage tanks surfaces externally and internally more and more causes people's attention.Owing to containing sulfide and moisture content in crude oil, and mineral substance all can corrode inner wall of oil tank, and the fricative static of inner wall of oil tank can cause the phenomenons such as the burning of oil product and blast.So the inside and outside wall of the store oils such as the storage tanker of the industries such as oil, chemical industry, railway, traffic, oil pipeline, oil holding slot car, oil tanker, oil transporting appliance all needs to apply the dope layer of the anticorrosion antistatic protection of one deck.
Regulation in standard GB/T 50393-2008 " steel petroleum storage tank anticorrosion engineering technical specifications ", coating surface resistance will reach 10
8-10
11Ω will have excellent antiseptic property, chemical mediator-resitant property, oil resistance simultaneously, and good physical and mechanical properties.And after construction, through maintenance after a while, need to introduce water and hunt leak, examine pressure, this just needs the inner wall anti-corrosive static conductive coating to have good water-fast requirement.The protective system that static conductive coating mainly is comprised of epoxy resin, conducting pigment, filler, conductive auxiliary agent, solvent etc. at present, the embrittlement but it is filmed, the defect that existence can not low-temperature curing, and just return soon rust after construction, soaking-resistant etc. not, these problems all can cause serious consequence.
Urethane (be called for short PU) is the polymkeric substance of being made by raw materials such as the chainextender such as polyisocyanates and polyether glycol or polyester polyol and/or small molecules polyvalent alcohol, polyamine or water or linking agents, polyurethane coating is a kind of type material grown up in 20 th century later, it has the performance of the multiple excellences such as wear-resisting, oil resistant, acid and alkali-resistance, water-fast and pharmaceutical chemicals and boundary of works area be wide, is current over-all properties one of coating variety preferably.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of and uses on boats and ships, and has aqueous polyurethane paint of wear-resisting, acidproof, alkaline-resisting, water-fast, oil resistant preferably, the performance such as heat-resisting and preparation method thereof.
For achieving the above object, technical scheme of the present invention is: a kind of efficient polyurethane asphalt corrosion-resistant coating is prepared from by weight by following raw materials according:
Further, described urethane is the polyurethane PU-740 of low TDI content, and its solid content is 40%.
Further, described Synolac is Synolac 3880, and its solid content is 80 ± 2%, acid number mgKOH/g≤10.
Further, described modifying asphalt is the polyolefins modifying asphalt.
Further, described anti-corrosion paint is composite zinc phosphate.
The present invention selects low TDI content, good, the anti-preservative property of dryness are good, package stability is strong urethane resin PU-740; And select gloss is high, hardness is strong, fullness ratio is good Synolac 3880 as raw material, thereby improved the physicals of coating.Wherein polyurethane PU-740 are all currently available productss with Synolac 3880, can directly on market, be bought.
In addition, novelty of the present invention proposes to add the polyolefins modifying asphalt at polyurethane coating systems, increases the coating surface elasticity, high-low temperature resistant conversion capability of coating etc., and the product guard time is long, can reach 5 years even more than; Using the sulfate composite zinc of anticorrosion excellent performance as anti-corrosion paint, and composite zinc phosphate participates in transforming slight corrosion, improves coating to the ground tolerance, increases paint film adhesion simultaneously; Also add Weibull, can have been reacted with the ground steel, reduced hand labor intensity, removed the rusty stain of surface attachment, improved paint film adhesion.
Efficient polyurethane asphalt corrosion-resistant coating of the present invention has passed through extensively on probation and test, and its performance meets following purposes: can be used for the ballast for cruising cabin, the cargo hold inwall is done erosion shield; In the manufacture of steel structure industry, especially the water surface (under) performance of steel structure anti-corrosion and moistureproof aspect performance is excellent; Can meet the anticorrosion demand of base of big machinery, equipment and the anticorrosion moistureproof demand of port facilities; Can meet the anticorrosion demand of chemical pipeline outer wall, buried pipeline outer wall etc.
Having good workability of efficient polyurethane asphalt corrosion-resistant coating of the present invention, the multiple application modes such as applicable brushing, roller coating, spraying; It detects its surface drying time≤1h according to the GB/T1728-1989 experimental standard at ambient temperature, does solid work≤12h, and under cold condition, extend time of drying a little; Detect its salt spray resistance test 2000h by the GB/T10834-2008 touchstone; Realize 480h by UV accelerated deterioration performance; And thering is good salt water resistance, diesel oil, ozone, chemical solvents performance, its product shelf life is long; The paint film guard time can reach 5 years even more than.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described:
In following embodiment, urethane is the polyurethane PU-740 of low TDI content, and its solid content is 40%; Synolac is Synolac 3880, and its solid content is 80 ± 2%, acid number mgKOH/g≤10; Modifying asphalt is the polyolefins modifying asphalt.
Embodiment 1:
Embodiment 2:
Embodiment 3:
Embodiment 4
Above described be only that the preferred embodiment of the present invention is described; not scope of the present invention is limited; design under spiritual prerequisite not breaking away from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical solution of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (5)
1. an efficient polyurethane asphalt corrosion-resistant coating is characterized in that: by following raw materials according, be prepared from by weight:
Urethane 35-40 part
Synolac 15-20 part
Modifying asphalt 50-65 part
Anti-corrosion paint 15-25 part
Weibull 0.1-2 part.
2. efficient polyurethane asphalt corrosion-resistant coating according to claim 1 is characterized in that: described urethane is the polyurethane PU-740 of low TDI content, and its solid content is 40%.
3. efficient polyurethane asphalt corrosion-resistant coating according to claim 1, it is characterized in that: described Synolac is Synolac 3880, its solid content is 80 ± 2%, acid number mgKOH/g≤10.
4. efficient polyurethane asphalt corrosion-resistant coating according to claim 1, it is characterized in that: described modifying asphalt is the polyolefins modifying asphalt.
5. efficient polyurethane asphalt corrosion-resistant coating according to claim 1, it is characterized in that: described anti-corrosion paint is composite zinc phosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103600578A CN103436172A (en) | 2013-08-19 | 2013-08-19 | Efficient polyurethane asphalt anticorrosive coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103600578A CN103436172A (en) | 2013-08-19 | 2013-08-19 | Efficient polyurethane asphalt anticorrosive coating |
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| CN103436172A true CN103436172A (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103600578A Pending CN103436172A (en) | 2013-08-19 | 2013-08-19 | Efficient polyurethane asphalt anticorrosive coating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364654A (en) * | 2016-08-29 | 2017-02-01 | 镇江维斯特船用设备有限公司 | Shilling rudder with good tolerance |
| CN110698957A (en) * | 2019-10-22 | 2020-01-17 | 刘礼潮 | Production and use method of anticorrosive material |
| CN111978842A (en) * | 2020-08-31 | 2020-11-24 | 青岛格林沃德新材料科技有限公司 | Preparation method and spraying process of anticorrosive polyurethane coating |
Citations (4)
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| CN1257100A (en) * | 1999-12-01 | 2000-06-21 | 王芳芳 | Environmental protection type soluble asphalt polyurethane water-proof paint |
| CN1382755A (en) * | 2001-04-25 | 2002-12-04 | 湖南华菱管线股份有限公司涟钢事业部 | Anticorrosion paint and its preparing process |
| CN101967316A (en) * | 2010-09-08 | 2011-02-09 | 中国乐凯胶片集团公司 | Nontoxic antifouling paint for oceanographic ship and facilities and method for preparing paint |
| US20130196071A1 (en) * | 2012-02-01 | 2013-08-01 | Nanyang Technological University | Microencapsulation of reactive diisocyanates and the application to self-healing anticorrosion coatings |
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2013
- 2013-08-19 CN CN2013103600578A patent/CN103436172A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| CN1257100A (en) * | 1999-12-01 | 2000-06-21 | 王芳芳 | Environmental protection type soluble asphalt polyurethane water-proof paint |
| CN1382755A (en) * | 2001-04-25 | 2002-12-04 | 湖南华菱管线股份有限公司涟钢事业部 | Anticorrosion paint and its preparing process |
| CN101967316A (en) * | 2010-09-08 | 2011-02-09 | 中国乐凯胶片集团公司 | Nontoxic antifouling paint for oceanographic ship and facilities and method for preparing paint |
| US20130196071A1 (en) * | 2012-02-01 | 2013-08-01 | Nanyang Technological University | Microencapsulation of reactive diisocyanates and the application to self-healing anticorrosion coatings |
Non-Patent Citations (1)
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| 戴震等: "植物油改性水性聚氨酯的研究现状", 《中国涂料》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364654A (en) * | 2016-08-29 | 2017-02-01 | 镇江维斯特船用设备有限公司 | Shilling rudder with good tolerance |
| CN110698957A (en) * | 2019-10-22 | 2020-01-17 | 刘礼潮 | Production and use method of anticorrosive material |
| CN111978842A (en) * | 2020-08-31 | 2020-11-24 | 青岛格林沃德新材料科技有限公司 | Preparation method and spraying process of anticorrosive polyurethane coating |
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Application publication date: 20131211 |