CN110229598A - Cool down coating and its preparation method and application - Google Patents
Cool down coating and its preparation method and application Download PDFInfo
- Publication number
- CN110229598A CN110229598A CN201910246818.4A CN201910246818A CN110229598A CN 110229598 A CN110229598 A CN 110229598A CN 201910246818 A CN201910246818 A CN 201910246818A CN 110229598 A CN110229598 A CN 110229598A
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- CN
- China
- Prior art keywords
- coating
- solvent
- weight percentage
- cooling coating
- cooling
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
Abstract
The invention discloses cooling coating and its preparation method and application, including bottom, middle layer and surface layer, bottom is that modified solvent free closes water-repellent paint；By weight percentage, middle layer includes polyurethane resin 20-50% and functional material 50-80%；By weight percentage, surface layer includes: organic inorganic hybridization resin 40-70%, reflection titanium white 5-20%, reflection mineral black 1-5%, far infrared radiation micro mist 3-10% and solvent 5-15%.Compared with prior art, the invention has the following advantages that (1) enhances 50% or more non-fragment orbit board concrete hardness Ageing；(2) under extremely hot daylight, 15 DEG C of surface temperature of concrete or more can be reduced；(3) 10 DEG C of concrete upper and lower surface temperature difference or more can be reduced；(4) near infrared reflectivity of class cement color reaches 80% or more；(5) coating has intrinsic self-cleaning performance, will not generate apparent decaying；(6) ageing-resistant performance of coating is extremely strong, and outdoor service life was up to 30 years or more；(7) it is designed using phase-change temperature control, intelligent control protected object temperature.
Description
Technical field
The invention belongs to coating technology field, be related to it is a kind of there is concrete enhancing, phase transformation intelligent temperature control, heat to obstruct,
Reflected radiation, automatically cleaning and the extra-weather-proof functions such as anti-aging coating, specially cooling coating and its preparation method and application.
Background technique
The planned range of China express railway is across north and south, thing in length and breadth, local climate condition locating for high speed route compared with
For complexity.By surface temperature figure it is found that most of high-speed rail is run under summer high temperature, especially 40 DEG C or more high temperature are for 1 week
More than, easily cause part fragment-free track slab to occur under temperature stress and train load the impact coupling that high ambient temperature generates
Situations such as buckling deformation, cracking, become the hidden danger of the long-term safe operation of high-speed rail.Non-fragment orbit plate surface is not taken at present
Safeguard procedures reduce temperature, and existing concrete protection coating the service life, in terms of be unable to satisfy high-speed rail without the tiny fragments of stone, coal, etc.
The protection requirements of track plates.To solve current high-speed rail non-fragment orbit problems faced, operational railway can be applied using coating protection
Layer reduces surface temperature of concrete peak value, reduces the temperature difference of concrete upper and lower surface, reduces concrete structure thermal (temperature difference) stress pair
The effect of non-fragment orbit improves its military service performance to guarantee the stability under non-fragment orbit hot conditions.
Summary of the invention
The technical issues of solution: it for overcome the deficiencies in the prior art, obtains a kind of with concrete enhancing, phase transformation intelligence
Temperature control, heat barrier, reflected radiation, automatically cleaning and the extra-weather-proof functions such as anti-aging coating, to reduce the concrete structure temperature difference
Effect of the stress to non-fragment orbit improves its military service performance to guarantee the stability under non-fragment orbit hot conditions, the present invention
Provide cooling coating and its preparation method and application.
Technical solution: cooling coating, including bottom, middle layer and surface layer, bottom are that modified solvent free closes water-repellent paint；
By weight percentage, middle layer includes polyurethane resin 20-50% and functional material 50-80%；By weight percentage,
Surface layer includes: organic inorganic hybridization resin 40-70%, and reflection titanium white 5-20%, reflection mineral black 1-5%, far infrared radiation are micro-
Powder 3-10% and solvent 5-15%.
Preferably, each thickness degree of coating are as follows: 40-100 μm of bottom, 200-1000 μm of middle layer, 60-100 μm of surface layer.
Preferably, the modified solvent free closing water-repellent paint is the Thief zone type concrete enclosing of small molecule epoxy preparation
Coating.
Preferably, by weight percentage, the functional material includes: ultra-fine phase transformation powder 30-70%, airsetting rubber powder
Body 2-8% and tiny balloon 15-40%.
Further, the microcapsules that ultra-fine phase transformation powder is 40-50 DEG C of phase transition temperature.
Preferably, by weight percentage, the organic inorganic hybridization resin includes metal silicate, siloxanes segment institute
Accounting example is respectively 10-15% and 5-10%.
Preferably, the reflection mineral black is a kind of mineral black containing mesentery with high near infrared reflectivity.
Preferably, the far infrared radiation micro mist is refractory ceramics far infrared radiation powder.
The preparation method of any description above cooling coating comprising the steps of:
(1) prepared by priming paint: small molecule epoxy resin, reactive diluent, concrete wetting agent being mixed in proportion, revolving speed
300-500rpm disperses 10-15min；
(2) prepared by intermediate coat: polyurethane resin, solvent and auxiliary agent being mixed, functional material is added after stirring at low speed, is turned
Fast 300-500rpm disperses 30-50min；
(3) prepared by finishing coat: organic inorganic hybridization resin, solvent and auxiliary agent being mixed, functional material is added after stirring at low speed
Material is ground at least 1 time using horizontal sand mill, above-mentioned auxiliary agent and solvent is added again and stirs at low speed；
(4) it constructs priming paint after handling concrete surface, forms bottom, construct after the complete 30min-60min of primer painting intermediate
Paint, forms middle layer, and intermediate coat painting installs the finishing coat that can construct after 30min-60min, forms surface layer.
Application of any description above cooling coating in high-speed rail fragment-free track slab.
Any description above cooling coating is protected in the cooling energy-saving of large stadium building, house warehouse or ship vehicle and is applied
Application in dress.
The action principle of cooling coating of the present invention is: coating is made of bottom, middle layer and surface layer, and function is mutual
It mends, complements each other, the common multi-functional feature for realizing coating entirety.Bottom functional characteristics is concrete enhancing, for improving
Concrete just draws adhesion strength, and can use in moist track plate surface；Middle layer functional characteristics is phase-change temperature control and heat
The characteristics of obstructing, assigning entire film flexibility, heat-insulated and phase-change temperature control as body of material；Surface layer functional characteristics is solar heat
Reflected radiation, automatically cleaning and overlength weatherability, solar heat reflection coefficient and hemispherical emissivity with superelevation.
The utility model has the advantages that (1) enhances 50% or more non-fragment orbit board concrete hardness Ageing；(2) it under extremely hot daylight, can drop
15 DEG C of low concrete surface temperature or more；(3) 10 DEG C of concrete upper and lower surface temperature difference or more can be reduced；(4) class cement color is close
Infrared reflectivity reaches 80% or more；(5) coating has intrinsic self-cleaning performance, will not generate apparent decaying；(6) coating
Ageing-resistant performance is extremely strong, and outdoor service life was up to 30 years or more；(7) it is designed using phase-change temperature control, intelligent control protected object
Temperature.
Detailed description of the invention
Fig. 1 is the high-speed rail fragment-free track slab structural schematic diagram that cooling coating of the present invention is coated in embodiment 1；
Wherein, 1 is uncoated cooling coating area for coating cooling coating area, 2.
Specific embodiment
Following embodiment further illustrates the contents of the present invention, but should not be construed as limiting the invention.Without departing substantially from
In the case where spirit of that invention and essence, to modification made by the method for the present invention, step or condition and replaces, belong to the present invention
Range.Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
According to the chemical component of the coating prepare high-speed rail fragment-free track slab multifunctional intellectual cool down composite coating,
According on the high-speed rail non-fragment orbit Slab for being coated on 1:1 shown in Fig. 1.Cooling test is carried out under solar radiation, the results showed that
25 DEG C of mean temperature difference above and below non-coating track plates, 60 DEG C of average surface temperature.Track plates average surface temperature after coating coating
44 DEG C, reduce by 16 DEG C of surface temperature.The upper and lower surface temperature difference is 12 DEG C, reduces by 13 DEG C of the upper and lower surface temperature difference.
In addition, it is 0.97MPa that the concrete of non-coating layer, which is just evening up equal adhesion strength, the concrete for having coating to cover just is drawn
Average bond intensity is 3.23MPa, and coating enhancing track plate surface is just drawing adhesion strength 233%.Concrete template is small through 5000
When QUV test after, coating is intact, does not occur phenomena such as blistering, cracking, fall off, and coating adhesion reduces amplitude and is less than 20%.
Claims (10)
1. cool down coating, including bottom, middle layer and surface layer, which is characterized in that bottom is that modified solvent free closes water-repellent paint；
By weight percentage, middle layer includes polyurethane resin 20-50% and functional material 50-80%；By weight percentage,
Surface layer includes: organic inorganic hybridization resin 40-70%, and reflection titanium white 5-20%, reflection mineral black 1-5%, far infrared radiation are micro-
Powder 3-10% and solvent 5-15%.
2. cooling coating according to claim 1, which is characterized in that each thickness degree of coating are as follows: 40-100 μm of bottom, intermediate
200-1000 μm, 60-100 μm of surface layer of layer.
3. cooling coating according to claim 1, which is characterized in that the modified solvent free closing water-repellent paint is small point
Sub- liquid epoxy class sealing paint.
4. cooling coating according to claim 1, which is characterized in that by weight percentage, the functional material packet
It includes: ultra-fine phase transformation powder 30-70%, aerogel powder 2-8% and tiny balloon 15-40%.
5. cooling coating according to claim 4, which is characterized in that ultra-fine phase transformation powder is 40-50 DEG C of phase transition temperature
Microcapsules.
6. cooling coating according to claim 1, which is characterized in that by weight percentage, the organic inorganic hybridization
Resin includes metal silicate, and siloxanes segment proportion is respectively 10-15% and 5-10%.
7. cooling coating according to claim 1, which is characterized in that the reflection mineral black is a kind of with high near-infrared
The mineral black containing mesentery of reflectivity.
8. cooling coating according to claim 1, which is characterized in that the far infrared radiation micro mist is that refractory ceramics is far red
External radiation powder.
9. the preparation method of any cooling coating of claim 1-8, which is characterized in that comprise the steps of:
(1) prepared by priming paint: small molecule epoxy resin, reactive diluent, concrete wetting agent being mixed in proportion, revolving speed 300-
500rpm disperses 10-15min；
(2) prepared by intermediate coat: polyurethane resin, solvent and auxiliary agent being mixed, functional material, revolving speed are added after stirring at low speed
300-500rpm disperses 30-50min；
(3) prepared by finishing coat: organic inorganic hybridization resin, solvent and auxiliary agent being mixed, functional material is added after stirring at low speed, makes
It is ground at least 1 time with horizontal sand mill, above-mentioned auxiliary agent and solvent is added again and stirs at low speed；
(4) it constructs priming paint after handling concrete surface, forms bottom, intermediate coat of constructing after the complete 30min-60min of primer painting, shape
At middle layer, intermediate coat painting installs the finishing coat that can construct after 30min-60min, forms surface layer.
10. any cooling coating of claim 1-8 is in high-speed rail fragment-free track slab, large stadium building, house warehouse or ship
Application in the cooling energy-saving protection coating of oceangoing ship vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246818.4A CN110229598A (en) | 2019-03-29 | 2019-03-29 | Cool down coating and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246818.4A CN110229598A (en) | 2019-03-29 | 2019-03-29 | Cool down coating and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110229598A true CN110229598A (en) | 2019-09-13 |
Family
ID=67860157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910246818.4A Pending CN110229598A (en) | 2019-03-29 | 2019-03-29 | Cool down coating and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110229598A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040623A (en) * | 2019-12-26 | 2020-04-21 | 常州佳尔科仿真器材有限公司 | Special functional heat-insulation and temperature-reduction coating and preparation method thereof |
| CN112029329A (en) * | 2020-07-24 | 2020-12-04 | 航天材料及工艺研究所 | High-temperature-resistant composite material protective coating and preparation method thereof |
| CN116285445A (en) * | 2023-04-28 | 2023-06-23 | 广东碧橙材料科技有限公司 | Anti-condensation inorganic silicate paint and preparation method thereof |
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| CN1403509A (en) * | 2002-07-02 | 2003-03-19 | 田桂英 | Composite resin for paint and its prepn |
| CN106867385A (en) * | 2017-03-21 | 2017-06-20 | 南京航空航天大学 | A kind of preparation method of the composite coating of control infra-red radiation |
| KR101791932B1 (en) * | 2017-06-09 | 2017-11-20 | (주)고려씨엔씨 | Eco-Friendly New Material Paint Film for Treatment of Concrete Structure and Constructing Methods Thereof |
| CN107603359A (en) * | 2017-09-20 | 2018-01-19 | 中国铁道科学研究院金属及化学研究所 | A kind of railway structure concrete protection coating and preparation method thereof and application method |
| CN109354998A (en) * | 2018-08-27 | 2019-02-19 | 中国铁路总公司 | A kind of preparation method of concrete-bridge waterproof coating and its construction method and polyurethane intermediate coat, polyurethane finish |
-
2019
- 2019-03-29 CN CN201910246818.4A patent/CN110229598A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403509A (en) * | 2002-07-02 | 2003-03-19 | 田桂英 | Composite resin for paint and its prepn |
| CN106867385A (en) * | 2017-03-21 | 2017-06-20 | 南京航空航天大学 | A kind of preparation method of the composite coating of control infra-red radiation |
| KR101791932B1 (en) * | 2017-06-09 | 2017-11-20 | (주)고려씨엔씨 | Eco-Friendly New Material Paint Film for Treatment of Concrete Structure and Constructing Methods Thereof |
| CN107603359A (en) * | 2017-09-20 | 2018-01-19 | 中国铁道科学研究院金属及化学研究所 | A kind of railway structure concrete protection coating and preparation method thereof and application method |
| CN109354998A (en) * | 2018-08-27 | 2019-02-19 | 中国铁路总公司 | A kind of preparation method of concrete-bridge waterproof coating and its construction method and polyurethane intermediate coat, polyurethane finish |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040623A (en) * | 2019-12-26 | 2020-04-21 | 常州佳尔科仿真器材有限公司 | Special functional heat-insulation and temperature-reduction coating and preparation method thereof |
| CN112029329A (en) * | 2020-07-24 | 2020-12-04 | 航天材料及工艺研究所 | High-temperature-resistant composite material protective coating and preparation method thereof |
| CN116285445A (en) * | 2023-04-28 | 2023-06-23 | 广东碧橙材料科技有限公司 | Anti-condensation inorganic silicate paint and preparation method thereof |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190913 |
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| RJ01 | Rejection of invention patent application after publication |