CN101412885A - Coating and preparation thereof - Google Patents
Coating and preparation thereof Download PDFInfo
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- CN101412885A CN101412885A CNA2008101826988A CN200810182698A CN101412885A CN 101412885 A CN101412885 A CN 101412885A CN A2008101826988 A CNA2008101826988 A CN A2008101826988A CN 200810182698 A CN200810182698 A CN 200810182698A CN 101412885 A CN101412885 A CN 101412885A
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Abstract
The invention discloses paint, which comprises component A and component B according to the weight portion ratio of 1 to 5. The component A comprises the following compositions according to weight proportion: aliphatics polyisocyanate tripolymer, butyl acetate, and propylene glycol monomethyl ether acetate; and the component B comprises the following compositions in weight portion: 1,420 type polyurea resin, 1,520 type polyurea resin, polyaspartate, tinting pigment, phosphite micro inhibitive pigment, a wearable material, steric hindrance amine ultraviolet absorbent, polysiloxane high-efficiency dispersing auxiliary, and butyl acetate. The paint has the advantages that the paint has properties of corrosion resistance, aging resistance, impact resistance and wear resistance, improves the protecting function of an anticorrosion coating, prolongs the service life of a vehicle, and meets the new idea of designing and manufacturing a novel 70-ton grade special coal conveying flatcar.
Description
Technical field
The present invention relates to a kind of coating and preparation method thereof.
Background technology
Along with developing rapidly of China's coal electricity cause, the demand of railway fortune coal open-top car heightens, the Ministry of Railways has proposed the design objective of 70 tonnes of new exclusive fortune coal open-top cars, requirement alleviates the car body deadweight, increases load-carrying, to reach the purpose that improves the rail vehicle efficiency of operation, in transportation, coal cinder is very severe to the friction of car body internal surface, for prolonging the time that the car body steel plate is worn away the operating limit thickness (3mm) of vehicle steel, will improve the abrasion property energy of car body internal surface.The thick slurry finish paint of alkyd that adopts in the present railway freight-car application system, corrosion-resistant, ageing-resistant, the shock-resistant and wear resistance of epoxy anticorrosion system coating and aging after stability be difficult to meet the demands.
Summary of the invention
The purpose of this invention is to provide a kind of coating, the coating that this coating is made has corrosion-resistant, ageing-resistant, shock-resistant and attrition resistant effect, thereby has improved vehicle steel plate long-effective corrosion ability and economic value added, prolongs the work-ing life in compartment; The preparation method of this coating also is provided.
For solving the problems of the technologies described above, technical scheme provided by the present invention is: a kind of coating, this coating comprise that ratio of weight and number is first component and the component B of 1:5,
Described first component comprises the composition that the parts by weight proportioning is following:
Aliphatic polymeric isocyanate tripolymer 65～80
N-BUTYL ACETATE 7～15
1-Methoxy-2-propyl acetate 10～15;
Described component B comprises the composition that the parts by weight proportioning is following:
1420 type carbamide resins 15～25
1520 type carbamide resins 10～20
Poly-daybreak winter propylhomoserin ester 5～15
Tinting pigment 3～5
Fine antirust paint with phosphite 10～20
High-abrasive material 2～6
Bulky amine UV light absorber 1～2
The efficient dispersing auxiliary 1～2 of polysiloxane
N-BUTYL ACETATE 5～10.
Wherein the ratio of weight and number of 1520 type carbamide resins and 1420 type carbamide resins is 2:1.
Described fine antirust paint with phosphite is zinc phosphate and aluminum phosphate.
Described high-abrasive material is barium sulfate, silica powder or molybdenumdisulphide.
Described high-abrasive material is a molybdenumdisulphide.
A kind of method for preparing above-mentioned coating, this preparation method be with first component and component B in proportion mixing get final product; The preparation method of described first component presses parts by weight proportioning mixing separately with each composition of first component;
The preparation method of described component B is: proportionally mixing 1420 type carbamide resins, 1520 type carbamide resins and polysiloxane dispersant with high efficiency, high speed dispersion 15 minutes; In whipping process, add tinting pigment, fine antirust paint with phosphite, high-abrasive material, continue high speed dispersion more than 40 minutes; Leave standstill 24 hours fully moistening after, adopting horizontal sand mill to be ground to fineness is below 45 microns; Add bulky amine UV light absorber, poly-daybreak winter propylhomoserin ester, regulate viscosity with N-BUTYL ACETATE at last, promptly make component B.
The advantage that the present invention has: based on satisfying the new requirement that manufactures and designs theory of 70 tonnes of new exclusive fortune coal open-top cars, with the thick slurry finish paint of alkyd that adopts in the present railway freight-car application system, epoxy anticorrosion system coating corrosion-resistant, ageing-resistant, shock-resistant and wear resistance and aging after the technology status of stability, the present invention has adopted novel impregnating material---carbamide resin (1420), carbamide resin (1520), the composite use of the poly-daybreak winter propylhomoserin ester of modification, successfully developed high anticorrosion elastic wear-resisting coating, the not corrosion of paint film behind its salt spray resistance 1000h, non-foaming, do not come off; Carry out anti-artificial weathering test by the GB/T14522 method, the positive and negative impact value of paint film still reaches 100kgcm behind the aging 600h, cross cut test≤1 grade, bending property≤2mm, its ageing-resistant having good stability; Improved the protection function of corrosion protection coating, prolonged the work-ing life of vehicle, satisfy 70 tonnes of new exclusive fortune coal open-top cars new manufacture and design theory, it is a bottom surface unification coating simultaneously, simplifies construction technology, reduced energy consumption, improved production efficiency, had tangible technical advance, technology advance and standard advanced, on railway freight-car, applied, manufacturing, operation and maintenance to railway freight-car have higher comprehensive price ratio, improve the rail vehicle efficiency of operation.
Embodiment:
Embodiment 1
A kind of coating, this coating comprises first component and component B, described first component comprises the composition that the parts by weight proportioning is following:
Aliphatic polymeric isocyanate tripolymer 65
N-BUTYL ACETATE 15
1-Methoxy-2-propyl acetate 10;
The preparation of first component is exactly that above raw material stirring is evenly got final product.
Described component B comprises the composition that the parts by weight proportioning is following:
1420 type carbamide resins 25
1520 type carbamide resins 10
Poly-daybreak winter propylhomoserin ester 15
Colour carbon black 3
Zinc phosphate fine antirust 20
Molybdenumdisulphide 2
Bulky amine UV light absorber 1～2
The efficient dispersing auxiliary 1～2 of polysiloxane
N-BUTYL ACETATE 10.
Preparation technology's flow process of component B is as follows:
Proportionally mixing 1420 type carbamide resins, 1520 type carbamide resins and polysiloxane dispersant with high efficiency, high speed dispersion 15 minutes; In whipping process, add tinting pigment, fine antirust paint with phosphite, high-abrasive material, continue high speed dispersion more than 40 minutes; Leave standstill 24 hours fully moistening after, adopting horizontal sand mill to be ground to fineness is below 45 microns; Add bulky amine UV light absorber, poly-daybreak winter propylhomoserin ester, regulate viscosity with N-BUTYL ACETATE at last, promptly make component B.
In the use of coating, as long as first component and component B are pressed the parts by weight proportioning mixing of 1:5, wherein aliphatic isocyanic ester and polyaspartic acid esters react, and the aliphatics polyureas that obtains is coating.
Embodiment 2
A kind of coating is characterized in that: this coating comprises first component and component B,
Described first component comprises the composition that the parts by weight proportioning is following:
Aliphatic polymeric isocyanate tripolymer 80
N-BUTYL ACETATE 7
1-Methoxy-2-propyl acetate 15;
Described component B comprises the composition that the parts by weight proportioning is following:
1420 type carbamide resins 15
1520 type carbamide resins 20
Poly-daybreak winter propylhomoserin ester 5
Red iron oxide 5
Zinc phosphate fine antirust 10
Barium sulfate 6
Bulky amine UV light absorber 1
Polysiloxane dispersing auxiliary 2
N-BUTYL ACETATE 5.
The preparation method is with the preparation method of embodiment 1.
Embodiment 3
A kind of coating is characterized in that: this coating comprises first component and component B,
Described first component comprises the composition that the parts by weight proportioning is following:
Aliphatic polymeric isocyanate tripolymer 72
N-BUTYL ACETATE 11
1-Methoxy-2-propyl acetate 12;
Described component B comprises the composition that the parts by weight proportioning is following:
1420 type carbamide resins 24
1520 type carbamide resins 12
Poly-daybreak winter propylhomoserin ester 10
Iron oxide yellow 4
Aluminum phosphate fine antirust 15
Silica powder 4
Bulky amine UV light absorber 1.5
Polysiloxane dispersing auxiliary 1.5
N-BUTYL ACETATE 7.5.
The preparation method is with the preparation method of embodiment 1.
Simultaneous test:
The coating of above-mentioned 3 embodiment preparation is carried out correlation test, and the performance of average result and common carbamide paint, polyurethane coating is relatively shown in table 1, table 2:
The comparison of the high anticorrosion elastic wear-resisting of table 1 bottom surface unification coating and common carbamide paint
| Project | Coating of the present invention | Common polyurea materials |
| Gel time (min) | 5～120 | 1/10～1/6 |
| Appearance of film | Good leveling property, apparent smooth | Levelling property is poor, be fit to do pitted skin |
| A coating thickness (μ m) | 60～375 | ≥300 |
| The VOC discharging | Controlled, can realize zero release | Zero VOC |
| Curing speed | Adjustable | Non-adjustable |
| Construction technology | Can brush, can spray | Professional equipment |
The comparison of the high anticorrosion elastic wear-resisting of table 2 bottom surface unification coating and conventional polyurethanes coating
| Coating of the present invention | Conventional polyurethanes coating | |
| Do solid work the time (d) | 1 | 7 |
| A coating thickness (μ m) | 60～375 | ≤40 |
| Non-volatile content (%) | 70～100 | 50～60 |
| The over-all properties of filming | The high comprehensive performance that single coating is filmed | Must be used the over-all properties of filming with rust-proofing primer |
| Construction technology | Technology is simple | The multilayer multiple tracks, complex process |
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (6)
1, a kind of coating is characterized in that: this coating comprises that ratio of weight and number is first component and the component B of 1:5,
Described first component comprises the composition that the parts by weight proportioning is following:
Aliphatic polymeric isocyanate tripolymer 65～80
N-BUTYL ACETATE 7～15
1-Methoxy-2-propyl acetate 10～15;
Described component B comprises the composition that the parts by weight proportioning is following:
1420 type carbamide resins 15～25
1520 type carbamide resins 10～20
Poly-daybreak winter propylhomoserin ester 5～15
Tinting pigment 3～5
Fine antirust paint with phosphite 10～20
High-abrasive material 2～6
Bulky amine UV light absorber 1～2
The efficient dispersing auxiliary 1～2 of polysiloxane
N-BUTYL ACETATE 5～10.
2, coating according to claim 1 is characterized in that: wherein the ratio of weight and number of 1520 type carbamide resins and 1420 type carbamide resins is 2:1.
3, coating according to claim 1 is characterized in that: described fine antirust paint with phosphite is zinc phosphate and aluminum phosphate.
4, coating according to claim 1 is characterized in that: described high-abrasive material is barium sulfate, silica powder or molybdenumdisulphide.
5, coating according to claim 4 is characterized in that: described high-abrasive material is a molybdenumdisulphide.
6, a kind of preparation is as the method for the described coating of the arbitrary claim of claim 1-5, this preparation method be with first component and component B in proportion mixing get final product; The preparation method of described first component presses parts by weight proportioning mixing separately with each composition of first component;
The preparation method of described component B is: proportionally mixing 1420 type carbamide resins, 1520 type carbamide resins and polysiloxane dispersant with high efficiency, high speed dispersion 15 minutes; In whipping process, add tinting pigment, fine antirust paint with phosphite, high-abrasive material, continue high speed dispersion more than 40 minutes; Leave standstill 24 hours fully moistening after, adopting horizontal sand mill to be ground to fineness is below 45 microns; Add bulky amine UV light absorber, poly-daybreak winter propylhomoserin ester, regulate viscosity with N-BUTYL ACETATE at last, promptly make component B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101826988A CN101412885A (en) | 2008-12-11 | 2008-12-11 | Coating and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101826988A CN101412885A (en) | 2008-12-11 | 2008-12-11 | Coating and preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101412885A true CN101412885A (en) | 2009-04-22 |
Family
ID=40593633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101826988A Pending CN101412885A (en) | 2008-12-11 | 2008-12-11 | Coating and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101412885A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812267A (en) * | 2010-05-24 | 2010-08-25 | 唐山市思远涂料有限公司 | Antistatic, heat-insulating and corrosion-resistance coating |
| CN101733240B (en) * | 2009-11-25 | 2012-07-11 | 中国重汽集团成都王牌商用车有限公司 | New process for painting container of engineering dump truck |
| CN103131311A (en) * | 2011-11-25 | 2013-06-05 | 贵州省纳米材料工程中心 | Polyurea road marked line spray coating composite coating material |
| CN103436148A (en) * | 2013-08-01 | 2013-12-11 | 中山市明日涂料材料有限公司 | Polyurea paint formula and polyurea paint prepared by polyurea paint formula |
| CN103555168A (en) * | 2012-09-18 | 2014-02-05 | 江苏欣安新材料技术有限公司 | Polyurea coating material and preparation method thereof |
| CN103709916A (en) * | 2014-01-08 | 2014-04-09 | 深圳市顾康力化工有限公司 | Ultra-weatherproof, frost-resisting and corrosion-preventing paint and preparation method thereof |
| CN103965757A (en) * | 2013-02-02 | 2014-08-06 | 上海向岚化工有限公司 | Solvent-free bicomponent road marking paint |
| CN110698960A (en) * | 2019-11-13 | 2020-01-17 | 浩力森涂料（上海）有限公司 | 2K varnish for automobile and construction method thereof |
| CN114989707A (en) * | 2022-03-02 | 2022-09-02 | 深圳市精彩科技有限公司 | Polyurea coating |
-
2008
- 2008-12-11 CN CNA2008101826988A patent/CN101412885A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733240B (en) * | 2009-11-25 | 2012-07-11 | 中国重汽集团成都王牌商用车有限公司 | New process for painting container of engineering dump truck |
| CN101812267A (en) * | 2010-05-24 | 2010-08-25 | 唐山市思远涂料有限公司 | Antistatic, heat-insulating and corrosion-resistance coating |
| CN103131311A (en) * | 2011-11-25 | 2013-06-05 | 贵州省纳米材料工程中心 | Polyurea road marked line spray coating composite coating material |
| CN103555168A (en) * | 2012-09-18 | 2014-02-05 | 江苏欣安新材料技术有限公司 | Polyurea coating material and preparation method thereof |
| CN103555168B (en) * | 2012-09-18 | 2016-05-25 | 江苏欣安新材料技术有限公司 | A kind of carbamide paint and preparation method thereof |
| CN103965757A (en) * | 2013-02-02 | 2014-08-06 | 上海向岚化工有限公司 | Solvent-free bicomponent road marking paint |
| CN103436148A (en) * | 2013-08-01 | 2013-12-11 | 中山市明日涂料材料有限公司 | Polyurea paint formula and polyurea paint prepared by polyurea paint formula |
| CN103436148B (en) * | 2013-08-01 | 2015-11-18 | 中山市明日涂料材料有限公司 | A kind of carbamide paint formula and the carbamide paint prepared with it |
| CN103709916A (en) * | 2014-01-08 | 2014-04-09 | 深圳市顾康力化工有限公司 | Ultra-weatherproof, frost-resisting and corrosion-preventing paint and preparation method thereof |
| CN103709916B (en) * | 2014-01-08 | 2016-08-17 | 深圳市顾康力化工有限公司 | A kind of extra-weather-proof freeze proof antisepsis finishing paint and preparation method thereof |
| CN110698960A (en) * | 2019-11-13 | 2020-01-17 | 浩力森涂料（上海）有限公司 | 2K varnish for automobile and construction method thereof |
| CN114989707A (en) * | 2022-03-02 | 2022-09-02 | 深圳市精彩科技有限公司 | Polyurea coating |
| CN114989707B (en) * | 2022-03-02 | 2024-02-09 | 深圳市精彩科技有限公司 | Polyurea coatings |
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Open date: 20090422 |