CN107987598A - A kind of high speed railway fragments-free track slab reflective heat-insulation paint and preparation method thereof - Google Patents
A kind of high speed railway fragments-free track slab reflective heat-insulation paint and preparation method thereof Download PDFInfo
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- CN107987598A CN107987598A CN201711496546.0A CN201711496546A CN107987598A CN 107987598 A CN107987598 A CN 107987598A CN 201711496546 A CN201711496546 A CN 201711496546A CN 107987598 A CN107987598 A CN 107987598A
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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
- 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
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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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/16—Homopolymers or copolymers of vinylidene fluoride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/18—Spheres
- C08L2205/20—Hollow spheres
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Abstract
The present invention provides a kind of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application, and the preparation method of the reflective heat-insulation paint.Wherein, count in parts by weight, include 30 ~ 60 parts of water-based fluorocarbon latex, 1 ~ 25 part of acrylate latex, titanium dioxide filler of 5 ~ 35 parts of the particle diameter in 200nm ~ 2 μm, 3 ~ 15 parts of particle diameter is 10 μm ~ 100 μm of hollow glass microbead, the particle diameter that 1 ~ 8 part of surface is modified through coated by titanium dioxide is hollow polymer/titanic oxide composite microsphere of 150nm ~ 500nm, 0.1 ~ 3 part of the light conversion material with down-conversion fluorescent effect, and levelling agent, defoamer, wetting dispersing agent, thixotropic agent, thickener and the pigment that gross mass is 3 ~ 10 parts.The present invention using the reflecting, be heat-insulated of various fillers, light transformation and its between synergistic effect, improve the cooling-down effect of gained coating.
Description
Technical field
The invention belongs to reflective heat-insulation paint technical field, and in particular to suitable for high speed railway fragments-free track slab application
Reflective heat-insulation paint and preparation method thereof.
Background technology
Platy ballastless track structure is the primary trace structural shape that China express railway construction uses.Due to track plates
Planar dimension is big, is had a great influence by external environment especially solar radiation.This causes to be formed inside track plates changes repeatedly
Temperature gradient, cause a degree of temperature deformation of track plates, influence its service life.It is anti-in fragment-free track slab external coating
It is to reduce one of track plate temperature, the effective means for alleviating the change of track plates temperature gradient to penetrate insulating moulding coating.
The research starting of reflective heat-insulation paint is more early, and in phase late 1970s, reflective insulation technology just has been achieved with
Greater advance.Afterwards, make the coated article all kinds of coating that temperature reduces under sunlight irradiation research more active always.John
W.Good et al. has found that the test indoor temperature of indoor test of the temperature than being not coated with reflectance coating for scribbling reflectance coating is low and obtains
It is more.Hollow titanium dioxide microspheres are added in polyacrylate coatings by Kang et al., and are found when hollow ball wall thickness is
Coating thermal conductivity factor during 43nm is minimum.In recent years, a variety of insulating mechanisms while the compound heat-insulation coating of effect are gradually appeared, it is multiple
Close the existing iris action of insulating moulding coating has reflection function again, additionally it is possible to actively outside radiations heat energy, it has also become reflective heat-insulation paint
Development trend.At present, reflective heat-insulation paint has been applied successfully to the fields such as space flight, building, petrochemical industry, military affairs, industry, it is aobvious
The energy-saving effect of work has obtained being widely recognized as industry.Representational product such as U.S.'s shield（Thermo-shield）It is energy saving
Coating, has been successfully applied in the heat-insulated application of space shuttle.
Reflective heat-insulation paint is generally made of matrix resin, feature color stuffing and various coalescents.Wherein, function
Realization of the property color stuffing to coating cooling-down effect plays key effect.If wanting to make coating possess good cooling-down effect, wherein
Used filler must have high refraction index and near infrared reflectivity.At the same time, hollow glass is also frequently added in coating
Glass microballon or ceramic fine bead are as auxiliary thermal insulating filling.Hollow beads are closely arranged in coating, can effectively prevent heat transfer.
103937314 B of patent of invention CN disclose a kind of preparation method of modified floating bead special sizing agent and modified floating bead special sizing agent,
Ceramic hollow microballon is substituted with fly ash float, and uses titanium dioxide spraying coating process, the color problem for solving floating bead, gained applies
It is economical good to expect, and has heat-insulated and reflection photo-thermal function concurrently.104830139 B of patent of invention CN disclose a kind of green
Porous near-infrared reflection pigment of color and preparation method thereof, gained pigment not only has loose structure, but also has preferable near-infrared reflection
Ability, comprehensive heat-proof quality are good.
Current high-performance reflective heat-insulation paint is still based on the white coating with high brightness and higher gloss degree.By this
When class coating is applied to fragment-free track slab cooling, trainman is easily set to judge to have an impact to the visual of line condition, therefore deposit
In obvious application limitation.But the effect of low lightness reflective heat-insulation paint still cannot preferably meet non-fragment orbit at present
The needs of plate cooling.Moreover, realize relatively low coating according to conventional technical means such as cenosphere contents in raising coating
Thermal conductivity, often significantly reduces coating mechanical property, makes it be difficult to meet application requirement.Therefore, only keeping relatively
While low lightness, glossiness and suitable coating mechanical property, reflection is further improved using suitable technological means
The cooling-down effect of insulating moulding coating, can just make the cooling application it is suitable for fragment-free track slab.
The content of the invention
It is an object of the invention to solve the above problems, there is provided a kind of suitable for the anti-of high speed railway fragments-free track slab application
Penetrate insulating moulding coating, and the preparation method of the reflective heat-insulation paint.
A kind of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application of the present invention, it is characterised in that
Count, exist comprising 30 ~ 60 parts of water-based fluorocarbon latex, 1 ~ 25 part of acrylate latex, 5 ~ 35 parts of particle diameter in parts by weight
The titanium dioxide filler of 200nm ~ 2 μm, 3 ~ 15 parts of particle diameter are 10 μm ~ 100 μm of hollow glass microbead, and 1 ~ 8 part of surface passes through
Hollow polymer/titanic oxide composite microsphere that the particle diameter of coated by titanium dioxide modification is 150nm ~ 500nm, 0.1 ~ 3 part of tool
There is a light conversion material of down-conversion fluorescent effect, and levelling agent that gross mass is 3 ~ 10 parts, defoamer, wetting dispersing agent, touch
Become agent, thickener and pigment.
The water-based fluorocarbon latex is formed by vinylidene fluoride monomers and acrylic monomer copolymerization, the fluorine in gained emulsion particle
Constituent content is more than 16%, and latex particle size is between 100 ~ 500nm, minimum film formation temperature≤32 DEG C of gained latex.
The nano-titanium dioxide filler is rutile titanium dioxide.
The hollow glass microbead is preferably the glass microballoon of the VS5500 models of 3M companies.
Hollow polymer/the titanic oxide composite microsphere is made of cavity/polymeric layer/titanium dioxide layer, wherein, it is empty
A diameter of 50 ~ the 400nm of chamber, polymer layer of thickness are 20 ~ 100nm, and titanium dioxide layer thickness is 20 ~ 100nm.
The light conversion material has the down-conversion fluorescent for the infrared light that ultraviolet light and visible ray are converted to 8 ~ 13.5 μm
Effect, and quantum yield ＞ 0.8.
The pigment is cold pigment.
Using the coating, the brightness value of gained coating is less than 82 after track plates external coating, with 60OThe gloss of angle test
Angle value is less than 20.
A kind of preparation method of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application of the present invention,
It is characterized by comprising following steps：
（1）By quantitative water, levelling agent, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler and hollow
Complex microsphere is added in high-speed dispersing kettle, is dispersed with stirring to fineness≤30 μm, is obtained mill base；
（2）Quantitative water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, hollow glass microbead and mill base are added
In Scattered Kettle, it is uniformly mixed, obtains required coating.
A kind of good effect of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application of the invention is：
The appropriate compounding use of water-based fluorocarbon latex and acrylate latex provide the preferable mechanical property of coating, weatherability and
The good adhesive force with track plate face.Titanium dioxide filler primarily serves the effect of reflecting barrier solar irradiation in the coating.In
Empty glass microballoon plays reflection solar irradiation and increases the effect of coating resistance in the coating.Hollow polymer/titanium dioxide is multiple
Close microballoon to be engaged with titanium dioxide filler, the size distribution of hollow glass microbead, accumulate the filler in coating even closer,
The hollow structure in coating is added, improves coating resistance.On the other hand, compared to general polymeric hollow microsphere, in
The titanium dioxide layer on empty polymer/titanic oxide composite microsphere surface improves the albedo and microballoon itself to solar irradiation
Anti-pressure ability；Compared to general titanium dioxide hollow microballoon, the preparation process of hollow polymer/titanic oxide composite microsphere
It is relatively easy, microballoon integrality is good, and be not easy in dope preparing process crush.Light conversion material using proper ratio is not having
There is the infrared light that ultraviolet light and visible ray are converted to under conditions of obvious warming effect 8 ~ 13.5 μm, utilize the " infrared of air
Energy is more radiated outer space by window ", reduces Coated Surface Temperature.Make by there is collaboration between used filler
With when being compounded using proper ratio, the dosage of gained coating performance filler more a certain than single increase is better.
Embodiment
Further detailed description is done to the present invention with reference to embodiment.
Embodiment 1：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By the water-based fluorocarbon latex of the parts by weight, acrylate latex, thixotropic agent, thickener, hollow glass microbead and
Mill base is added in Scattered Kettle, is uniformly mixed, is obtained required coating.
Embodiment 2：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 15 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Embodiment 3：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 25 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Embodiment 4：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 15 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Embodiment 5：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 4 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Embodiment 6：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 8 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Embodiment 7：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 0.1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Embodiment 8：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 3 parts
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Embodiment 9：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 10 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By the water-based fluorocarbon latex of the parts by weight, acrylate latex, thixotropic agent, thickener, hollow glass microbead and
Mill base is added in Scattered Kettle, is uniformly mixed, is obtained required coating.
Embodiment 10：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 9 parts
Hollow polymer/titanic oxide composite microsphere, 3 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By the water-based fluorocarbon latex of the parts by weight, acrylate latex, thixotropic agent, thickener, hollow glass microbead and
Mill base is added in Scattered Kettle, is uniformly mixed, is obtained required coating.
Comparative example 1：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 30 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Comparative example 2：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 50 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Comparative example 3：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 0 part
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Comparative example 4：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 0 part
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Comparative example 5：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 20 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Comparative example 6：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 0 part
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Comparative example 7：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 10 parts
Light conversion material, 1 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Comparative example 8：
（One）The parts by weight of each raw material are in coating：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 0 part
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Comparative example 9：
Water-based fluorocarbon latex, 50 parts
Acrylate latex, 5 parts
Titanium dioxide filler, 20 parts
Hollow glass microbead, 8 parts
Hollow polymer/titanic oxide composite microsphere, 2 parts
Light conversion material, 5 parts
Levelling agent, 0.5 part
Defoamer, 0.5 part
Wetting dispersing agent, 0.5 part
Thixotropic agent, 0.5 part
Thickener, 0.5 part
Pigment, 0.5 part
（Two）Preparation process includes：
（1）By the levelling agent of the parts by weight, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler,
Hollow complex microsphere and a certain amount of water are added in high-speed dispersing kettle, are dispersed with stirring to fineness≤30 μm, are obtained mill base；
（2）By water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, the hollow glass microbead of the percentage by weight
Added with mill base in Scattered Kettle, be uniformly mixed, obtain required coating.
Effect explanation：
Embodiments method：
（1）Tensile strength and elongation at break reference standard GB/T 16777-2008 Section 9 contents are tested.
（2）Related content in heat-insulated temperature difference reference standard HG/T 4341-2012, is tested using home-built equipment.
（3）Related content in coating lightness, sun luminous reflectance and hemispherical emissivity reference standard JG/T 235-2014
Tested.
（4）Coating gloss reference standard GB/T 9754-2007, are tested, test angles using single angle vancometer
Spend for 60 °.
（5）Processing mode in durability test is included at UV processing, acid solution processing, alkaline solution treatment and salting liquid
Reason.
From 1 result of embodiment 1 and comparative example, the acrylic adhesive breast amount added in comparative example 1 is excessive, and it is resistance to reduce coating
Long property, not by durability test, and elongation at break is excessive, increases coating stripping risk；
From 2 result of embodiment 1 and comparative example, the titanium dioxide filler amount added in comparative example 2 is excessive, coating failure elongation
Rate is too low；
From 3 result of embodiment 1 and comparative example, titanium dioxide filler is not added with comparative example 3, coating reflective insulation effect is bright
It is aobvious to decline；
From 4 result of embodiment 1 and comparative example, hollow glass microbead is not added with comparative example 4, the heat-insulated temperature difference of coating reduces；
From 5 result of embodiment 1 and comparative example, the hollow glass microbead dosage added in comparative example 5 is excessive, and coating failure is stretched
Long rate is too low；
From 6 result of embodiment 1 and comparative example, hollow polymer/titanic oxide composite microsphere is not added with comparative example 6, is applied
The heat-insulated temperature difference of layer reduces；
From 7 result of embodiment 1 and comparative example, hollow polymer/titanic oxide composite microsphere amount mistake for being added in comparative example 7
Greatly, the heat-insulated temperature difference of coating reduces on the contrary；
From 8 result of embodiment 1 and comparative example, light conversion material is not added with comparative example 8, the heat-insulated temperature difference of coating reduces；
From 9 result of embodiment 1 and comparative example, the light conversion material amount added in comparative example 9 is excessive, what its fuel factor was brought
The cooling-down effect that effect will be above being brought by light conversion effect is heated, the heat-insulated temperature difference of coating is reduced on the contrary；
In conclusion in the claimed formula range of the present invention, coating various aspects of performance can be met the requirements.When formula is super
When going out claimed scope of the invention, some performances of coating will have obvious reduction.
Claims (9)
- A kind of 1. reflective heat-insulation paint suitable for high speed railway fragments-free track slab application, it is characterised in that count in parts by weight, Comprising 30 ~ 60 parts of water-based fluorocarbon latex, 1 ~ 25 part of acrylate latex, the dioxy of 5 ~ 35 parts of particle diameter in 200nm ~ 2 μm Change titanium filler, 3 ~ 15 parts of particle diameter is 10 μm ~ 100 μm of hollow glass microbead, and 1 ~ 8 part of surface is modified through coated by titanium dioxide Particle diameter be 150nm ~ 500nm hollow polymer/titanic oxide composite microsphere, 0.1 ~ 3 part has a down-conversion fluorescent effect Light conversion material, and gross mass is 3 ~ 10 parts of levelling agent, defoamer, wetting dispersing agent, thixotropic agent, thickener and face Material.
- 2. a kind of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application according to claim 1, it is special Sign is that the water-based fluorocarbon latex is formed by vinylidene fluoride monomers and acrylic monomer copolymerization, the fluorine member in gained emulsion particle Cellulose content is more than 16%, and latex particle size is between 100 ~ 500nm, minimum film formation temperature≤32 DEG C of gained latex.
- 3. a kind of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application according to claim 1, it is special Sign is that the nano-titanium dioxide filler is rutile titanium dioxide.
- 4. a kind of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application according to claim 1, it is special Sign is that the hollow glass microbead is preferably the glass microballoon of the VS5500 models of 3M companies.
- 5. a kind of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application according to claim 1, it is special Sign is that the hollow polymer/titanic oxide composite microsphere is made of cavity/polymeric layer/titanium dioxide layer, wherein, cavity A diameter of 50 ~ 400nm, polymer layer of thickness are 20 ~ 100nm, and titanium dioxide layer thickness is 20 ~ 100nm.
- 6. a kind of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application according to claim 1, it is special The down-conversion fluorescent that sign is the light conversion material and has the infrared light that ultraviolet light and visible ray are converted to 8 ~ 13.5 μm is imitated Should, and quantum yield ＞ 0.8.
- 7. a kind of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application according to claim 1, it is special Sign is that the pigment is cold pigment.
- 8. a kind of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application according to claim 1, it is special Sign is that the brightness value of gained coating is less than 82 after track plates external coating using the coating, with 60OThe glossiness of angle test Value is less than 20.
- A kind of 9. system of reflective heat-insulation paint suitable for high speed railway fragments-free track slab application according to claim 1-8 Preparation Method, it is characterised in that comprise the following steps：（1）By quantitative water, levelling agent, defoamer, wetting dispersing agent, pigment, light conversion material, titanium dioxide filler and hollow Complex microsphere is added in high-speed dispersing kettle, is dispersed with stirring to fineness≤30 μm, is obtained mill base；（2）Quantitative water-based fluorocarbon latex, acrylate latex, thixotropic agent, thickener, hollow glass microbead and mill base are added In Scattered Kettle, it is uniformly mixed, obtains required coating.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111909577A (en) * | 2020-07-03 | 2020-11-10 | 李乔 | Heat insulation coating and preparation method thereof |
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| US20240084147A1 (en) * | 2022-09-14 | 2024-03-14 | Raytheon Company | Water-based acrylic latex paint transmissive in the nir and swir bands |
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