CN109957292A - A kind of hydrophobic type high reflection insulating moulding coating - Google Patents
A kind of hydrophobic type high reflection insulating moulding coating Download PDFInfo
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- CN109957292A CN109957292A CN201811626749.1A CN201811626749A CN109957292A CN 109957292 A CN109957292 A CN 109957292A CN 201811626749 A CN201811626749 A CN 201811626749A CN 109957292 A CN109957292 A CN 109957292A
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- grain diameter
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- 238000000576 coating method Methods 0.000 title claims abstract description 56
- 239000011248 coating agent Substances 0.000 title claims abstract description 54
- 238000000465 moulding Methods 0.000 title claims abstract description 13
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000839 emulsion Substances 0.000 claims abstract description 33
- 239000011521 glass Substances 0.000 claims abstract description 32
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 32
- 235000010215 titanium dioxide Nutrition 0.000 claims abstract description 32
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229960002089 ferrous chloride Drugs 0.000 claims abstract description 27
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 21
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 19
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 19
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005202 decontamination Methods 0.000 abstract description 2
- 230000003588 decontaminative effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 34
- 239000000463 material Substances 0.000 description 15
- 238000005507 spraying Methods 0.000 description 12
- 239000004408 titanium dioxide Substances 0.000 description 12
- 238000009413 insulation Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 241001424688 Enceliopsis Species 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000003075 superhydrophobic effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003471 anti-radiation Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012767 functional filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- 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
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- 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
-
- 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
- C09D5/002—Priming 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
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of hydrophobic type high reflection insulating moulding coatings, including prime coat and top coat layer, the prime coat is made of following components (parts by weight): average grain diameter 300nm rutile titanium white powder 10%~15%, average grain diameter 300nm hollow glass micropearl 10%~20%, average grain diameter 200nm talcum powder 5%~10%, ferrous chloride 0.5%~1.5%, ptfe emulsion 40%~50%, pure water 15%~20%, the top coat layer is made of following components (parts by weight): 10 μm of kaolin 3%~12% of average grain diameter, 10 μm of rutile titanium white powder 3%~12% of average grain diameter, 20 μm of hollow glass micropearl groups 10%~25% of average grain diameter, 20 μm of talcum powder 5%~10% of average grain diameter, ferrous chloride 0. 5%~1.5%, ptfe emulsion 40%~50%, pure water 15%~20%.The present invention is intended to provide a kind of hydrophobic type high reflection insulating moulding coating, which includes that thermal coefficient is ultralow, heat-proof quality is good, flexible, durable, decontamination effect is good, the convenient and fast effect of construction safety.
Description
Technical field
The present invention relates to water paint fields, in particular to arriving a kind of hydrophobic type high reflection insulating moulding coating.
Background technique
Solar energy reflective insulation coating for construction is to contain using in coating constituent to the radiation wave spectrum from the sun
Middle major part wavelength has the performance of high reflectivity to reduce the temperature of exterior walls of buildings wall, reduces the temperature difference of indoor and outdoor, from
And lower heat transfer motive force, so that room temperature is reduced refrigeration lower than the room temperature of cement wall surface or common coating metope
Equipment electric consumption reaches energy-efficient effect.
The energy of sunlight is concentrated mainly on visible light and near infrared ray part, this two parts account for the 90% of solar energy with
On.When sunray projects body surface, it then follows visible light rule has reflection, absorbs, through property, reflectivity
(a), absorptivity (p), transmitance (r) meet following rule: a+p+r=1, and the heat ray of the opaque body sun cannot be led to
It crosses, therefore transmitance (r) is 0, therefore above-mentioned formula becomes a+p=1, from the above equation, we can see that, object its surface reflectivity height is inhaled
Yield will be low.
Due to constituting the difference of material, the absorption of solar rays is different, if certain material is to solar spectrum
Middle major part wavelength does not absorb, and is reflected, then obtained energy is just few, and temperature is also with regard to low, vice versa.It is applied in production
When material, material selection is selectively carried out, so that it may so that coating surface has high reflectivity to sunlight, to effectively drop
Low surface temperature, when material has high radiant emissivity for the heat absorbed again, so that it may again by the heat of absorption
It radiate well, at common temperature, object radiation is in infrared band, can use atmospheric window and is emitted to building
Beyond the region of objective existence.
Currently, we retrieve the open source literature of some antiradiation insulating moulding coatings, such as:
1. Chinese Patent Application No. CN201310655260.8, publication date on April 23rd, 2014, this application discloses
A kind of high-performance building reflective heat-insulation paint and its preparation method and application, the reflective heat-insulation paint include it is following by weight
The raw material of calculation: film forming matter: 40-50 parts, rutile type titanium white: 15-25 parts, functional filler: 5-15 parts, infra-red radiation
Powder: 5-15 parts, kaolin: 5-10 parts, talcum powder: 5-10 parts, defoaming agent: 0.2-0.5 parts, wetting agent: 0.2-0.4 parts, dispersion
Agent: 0.2-0.4 parts, 0.3-0.6 parts, 1-3 parts, 100 deionized water: coalescing agent: thickener: are added to.Its intermediate infrared radiation
Powder is the superfines of the high radiant rate obtained by several metal oxides by high temperature sintering.Disadvantage is that: it is right
The albedo of nanoscale visible light and infrared light is weak.
2. Chinese Patent Application No. CN201710163313.2, publication date on July 7th, 2017, this application discloses one
Kind insulating mold coating composite integrated plate and preparation method thereof, it is by acrylic emulsion, silicone acrylic emulsion, silica dioxide gel, gas
Gel, hollow glass micropearl, poly- third fiber, hydroxyethyl cellulose (HEC) are applied to alkali-resistant glass fiber mesh preparation after being prepared into rubber cement
It is micro- at insulating mold coating layer, and by acrylic emulsion, silicone acrylic emulsion, heat-insulated pigment, protective glue, aeroge, hollow glass
Heat-insulated coating material is sprayed on insulating mold coating layer and is made by the heat-insulated coating material that pearl, multifunctional assistant are prepared
Heat-insulated coating material layer obtains insulating mold coating composite integrated plate.Disadvantage is that: to nanoscale 700nm~150nm
The albedo of infrared light is weak.
Summary of the invention
The present invention provides a kind of hydrophobic type high reflection insulating moulding coating in view of the above technical problems, which includes thermally conductive system
Number is ultralow, heat-proof quality is good, flexible, durable, decontamination effect is good, the convenient and fast effect of construction safety.
To achieve the above object the present invention adopts the following technical scheme:
A kind of hydrophobic type high reflection insulating moulding coating, including prime coat and top coat layer, the prime coat is by following components (weight
Part) composition: average grain diameter 300nm rutile titanium white powder 10%~15%, average grain diameter 300nm hollow glass micropearl 10%~
20%, average grain diameter 200nm talcum powder 5%~10%, ferrous chloride 0.5%~1.5%, ptfe emulsion 40%~
50%, pure water 15%~20%.
The top coat layer is made of following components (parts by weight): 10 μm of kaolin 3%~12% of average grain diameter, average grain
10 μm of rutile titanium white powder 3%~12% of diameter, 20 μm of hollow glass micropearl groups 10%~25% of average grain diameter, 20 μ of average grain diameter
M talcum powder 5%~10%, ferrous chloride 0.5%~1.5%, ptfe emulsion 40%~50%, pure water 15%~
20%.
Mass fraction shared by each raw material of the prime coat is best are as follows: average grain diameter 300nm rutile titanium white powder 13% is put down
Equal partial size 300nm hollow glass micropearl 16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, polytetrafluoroethylene (PTFE) cream
Liquid 46%, pure water 17%.
Mass fraction shared by each raw material of the top coat layer is best are as follows: 10 μm of kaolin 5% of average grain diameter, average grain diameter 10
μm rutile titanium white powder 10%, 20 μm of hollow glass micropearl groups 18% of average grain diameter, 20 μm of talcum powder 8% of average grain diameter, dichloro
Change iron 1%, ptfe emulsion 42%, pure water 16%.
The coating thickness of the prime coat is 70~90 μm；The coating thickness of the top coat layer is 90~120 μm.
The optical principle that the present invention applies:
The sunlight of earth surface is irradiated to containing 53% infrared ray, 44% visible light, 3% ultraviolet light.From heat transfer theory
Known to: there are three types of thermaltransmission modes: conducting, radiates, convection current.The design principle of insulating moulding coating uses reflecting material pair
The sunray of 400nm--2500nm range carries out high reflection, does not allow the heat of the sun to carry out accumulation heating in body surface, again
Heat heat loss through radiation cooling can be carried out automatically, and the heat of body surface is radiated in space, the temperature of object is reduced.
Found through numerous studies, the ratio between the partial size of emissivity and reflecting material and wavelength of light α are related, α 0.1~1 it
Between there is reflex, heat insulation is best；It is diffusing reflection when α < 0.1, heat insulation is poor.
Secondly different colours are not also identical to the reflection of light, for example white or grey are to visible reflectance height, black pair
The absorption of light is strong, and emissivity is low.
Finally be divided into two kinds from coating every thermal property principle: 1, completely cut off conduction type: pyroconductivity is extremely low, passes thermal energy
It leads and almost completely cuts off, temperature difference environment is isolated；2, reflect thermal-optical type: to infrared ray and hot visible light, (sunray generates heat
Major part) effective reflection, achieve the purpose that heat-insulated.
The hydrophobic principle that the present invention applies:
The hydrophobicity of material refers to that contact angle of the water on its surface is more than 90 °, if water with the extremely difficult surface bedewed by water
Contact angle on its surface is more than 150 °, and for slide angle less than 10 °, this material is thus referred to as super hydrophobic material.
The present invention compared with prior art the utility model has the advantages that
1. the light of the raw material reflection different wave length of different-grain diameter, small but if the raw material of different-grain diameter is put together
The raw material of partial size can occupy the space that big partial size is originally defined, and be unfavorable for the reflection to light, therefore prime coat in the present invention instead
It is inconsistent with the raw material particle size of top coat layer addition, separate the functional area for reflecting visible light and infrared light, prime coat is mainly anti-
Penetrate visible light, top coat layer key reflections infrared light, comprehensive reflection efficiency height.
2. containing thin gas inside the hollow glass micropearl that the present invention adds, thermal coefficient is low, has coating
Extraordinary heat insulation and preservation effect.
3. the present invention substitutes titanium dioxide using the cheap kaolin in part, reflecting effect is constant, reduce manufacture at
This.
4. the ptfe emulsion that the present invention uses possesses heat-resisting, cold-resistant and wear resistance outstanding, there are also excellent electricity
Insulating properties, and do not influenced by temperature and frequency, in addition, still there is the features such as not adhering, do not absorb water, not burning, can be subjected to for a long time
200 DEG C of operating temperature.
5. the polytetrafluoroethylene (PTFE) itself that the present invention uses is low-surface-energy material, as long as building rough surface does not need to modify
Can reach super-hydrophobic, make coating have it is stronger go durability against pollution, have self-cleaning function.
Specific embodiment
Below in conjunction with specific embodiment, present invention is further described in detail, but does not limit the scope of the invention
And application range:
Embodiment 1:
The present embodiment includes prime coat and top coat layer, and prime coat is made of following components (parts by weight): the prime coat
Mass fraction shared by each raw material are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl
16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
Mass fraction shared by each raw material of top coat layer are as follows: 10 μm of kaolin 5% of average grain diameter, 10 μm of rutile of average grain diameter
Titanium dioxide 10%, 20 μm of hollow glass micropearl groups 18% of average grain diameter, 20 μm of talcum powder 8% of average grain diameter, ferrous chloride 1%,
Ptfe emulsion 42%, pure water 16%.
When spraying, the coating thickness of prime coat is 80 μm, and the coating thickness of top coat layer is 100 μm.
Embodiment 2:
The present embodiment includes prime coat and top coat layer, and prime coat is made of following components (parts by weight): the prime coat
Mass fraction shared by each raw material are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl
16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
Mass fraction shared by each raw material of top coat layer are as follows: 10 μm of kaolin 8% of average grain diameter, 10 μm of rutile of average grain diameter
Titanium dioxide 7%, 20 μm of hollow glass micropearl groups 18% of average grain diameter, 20 μm of talcum powder 8% of average grain diameter, ferrous chloride 1%,
Ptfe emulsion 42%, pure water 16%.
When spraying, the coating thickness of prime coat is 80 μm, and the coating thickness of top coat layer is 100 μm.
Embodiment 3:
The present embodiment includes prime coat and top coat layer, and prime coat is made of following components (parts by weight): the prime coat
Mass fraction shared by each raw material are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl
16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
Mass fraction shared by each raw material of top coat layer are as follows: 10 μm of kaolin 11% of average grain diameter, 10 μm of golden red of average grain diameter
Stone titanium dioxide 4%, 20 μm of hollow glass micropearl groups 18% of average grain diameter, 20 μm of talcum powder 8% of average grain diameter, ferrous chloride
1%, ptfe emulsion 42%, pure water 16%.
When spraying, the coating thickness of prime coat is 80 μm, and the coating thickness of top coat layer is 100 μm.
Experiment 1:
Coating is prepared in the ratio of raw material in each embodiment 1-3, after shining spraying by coating thickness on scraper plate, is placed on too
The lower straight solarization of sun, measures the temperature of different time scraper plate.
As can be seen from the above table, the specific gravity being added with kaolin is increasing, and heat-proof quality of the present invention gradually decreases.
Embodiment 4:
The present embodiment includes prime coat and top coat layer, and prime coat is made of following components (parts by weight): the prime coat
Mass fraction shared by each raw material are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl
16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
Mass fraction shared by each raw material of top coat layer are as follows: 10 μm of kaolin 5% of average grain diameter, 10 μm of rutile of average grain diameter
Titanium dioxide 10%, 20 μm of hollow glass micropearl groups 18% of average grain diameter, 20 μm of talcum powder 8% of average grain diameter, ferrous chloride 1%,
Ptfe emulsion 42%, pure water 16%.
When spraying, the coating thickness of prime coat is 80 μm, and the coating thickness of top coat layer is 100 μm.
Embodiment 5:
The present embodiment includes prime coat and top coat layer, and prime coat is made of following components (parts by weight): the prime coat
Mass fraction shared by each raw material are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl
16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
Mass fraction shared by each raw material of top coat layer are as follows: 10 μm of kaolin 5% of average grain diameter, 10 μm of rutile of average grain diameter
Titanium dioxide 10%, 20 μm of hollow glass micropearl groups 14% of average grain diameter, 20 μm of talcum powder 10% of average grain diameter, ferrous chloride 1%,
Ptfe emulsion 44%, pure water 16%.
When spraying, the coating thickness of prime coat is 80 μm, and the coating thickness of top coat layer is 100 μm.
Embodiment 3:
The present embodiment includes prime coat and top coat layer, and prime coat is made of following components (parts by weight): the prime coat
Mass fraction shared by each raw material are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl
16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
Mass fraction shared by each raw material of top coat layer are as follows: 10 μm of kaolin 5% of average grain diameter, 10 μm of rutile of average grain diameter
Titanium dioxide 10%, 20 μm of hollow glass micropearl groups 22% of average grain diameter, 20 μm of talcum powder 7% of average grain diameter, ferrous chloride 1%,
Ptfe emulsion 40%, pure water 15%.
When spraying, the coating thickness of prime coat is 80 μm, and the coating thickness of top coat layer is 100 μm.
Experiment 2:
Coating is prepared in the ratio of raw material in each embodiment 4-6, after shining spraying by coating thickness on scraper plate, is placed on too
The lower straight solarization of sun, measures the temperature of different time scraper plate.
As can be seen from the above table, it is fixed in titanium dioxide and kaolin adding proportion, only changes the additive amount of glass microballoon,
The heat-proof quality variation of coating is little.
Embodiment 7:
The present embodiment includes prime coat and top coat layer, and prime coat is made of following components (parts by weight): the prime coat
Mass fraction shared by each raw material are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl
16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
Mass fraction shared by each raw material of top coat layer are as follows: 10 μm of kaolin 5% of average grain diameter, 10 μm of rutile of average grain diameter
Titanium dioxide 10%, 20 μm of hollow glass micropearl groups 18% of average grain diameter, 20 μm of talcum powder 8% of average grain diameter, ferrous chloride 1%,
Ptfe emulsion 42%, pure water 16%.
When spraying, the coating thickness of prime coat is 80 μm, and the coating thickness of top coat layer is 100 μm.
Embodiment 8:
The present embodiment includes prime coat and top coat layer, and prime coat is made of following components (parts by weight): the prime coat
Mass fraction shared by each raw material are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl
16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
Mass fraction shared by each raw material of top coat layer are as follows: 10 μm of kaolin 5% of average grain diameter, 10 μm of rutile of average grain diameter
Titanium dioxide 10%, 20 μm of hollow glass micropearl groups 18% of average grain diameter, 20 μm of talcum powder 8% of average grain diameter, ferrous chloride 1%,
Ptfe emulsion 42%, pure water 16%.
When spraying, the coating thickness of prime coat is 70 μm, and the coating thickness of top coat layer is 90 μm.
Embodiment 9:
The present embodiment includes prime coat and top coat layer, and prime coat is made of following components (parts by weight): the prime coat
Mass fraction shared by each raw material are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl
16%, average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
Mass fraction shared by each raw material of top coat layer are as follows: 10 μm of kaolin 5% of average grain diameter, 10 μm of rutile of average grain diameter
Titanium dioxide 10%, 20 μm of hollow glass micropearl groups 18% of average grain diameter, 20 μm of talcum powder 8% of average grain diameter, ferrous chloride 1%,
Ptfe emulsion 42%, pure water 16%.
When spraying, the coating thickness of prime coat is 90 μm, and the coating thickness of top coat layer is 110 μm.
Experiment 3:
Coating is prepared in the ratio of raw material in each embodiment 7-9, presses after spraying different thickness, is placed on too on scraper plate
The lower straight solarization of sun, measures the temperature of different time scraper plate.
As can be seen from the above table, fixed in titanium dioxide and kaolin adding proportion, only change coating thickness, coating every
Hot property variation is little.
In addition, through detecting, the contrast ratio (hiding rare) >=0.96 for the coating that embodiment 1 provides, stain resistance≤6% is resistance to
Artificial weathering aging (>=600h), water resistance (>=120h), alkali resistance (>=48h), abrasion resistance (>=2000 times) meet
GB/T9755-2014 " exterior wall coating material of synthetic resin emulsion " " high-class product " requirement.
Claims (4)
1. a kind of hydrophobic type high reflection insulating moulding coating, it is characterised in that: including prime coat and top coat layer, the prime coat is by following
Component (parts by weight) composition: average grain diameter 300nm rutile titanium white powder 10%~15%, average grain diameter 300nm hollow glass is micro-
Pearl 10%~20%, average grain diameter 200nm talcum powder 5%~10%, ferrous chloride 0.5%~1.5%, ptfe emulsion
40%~50%, pure water 15%~20%.
The top coat layer is made of following components (parts by weight): 10 μm of kaolin 3%~12% of average grain diameter, and 10 μm of average grain diameter
Rutile titanium white powder 3%~12%, 20 μm of hollow glass micropearl groups 10%~25% of average grain diameter, 20 μm of talcum powder of average grain diameter
5%~10%, ferrous chloride 0.5%~1.5%, ptfe emulsion 40%~50%, pure water 15%~20%.
2. hydrophobic type high reflection insulating moulding coating according to claim 1, it is characterised in that: each raw material institute of the prime coat
It is best to account for mass fraction are as follows: average grain diameter 300nm rutile titanium white powder 13%, average grain diameter 300nm hollow glass micropearl 16%,
Average grain diameter 200nm talcum powder 7%, ferrous chloride 1%, ptfe emulsion 46%, pure water 17%.
3. hydrophobic type high reflection insulating moulding coating according to claim 1, it is characterised in that: each raw material institute of the top coat layer
It is best to account for mass fraction are as follows: 10 μm of kaolin 5% of average grain diameter, 10 μm of rutile titanium white powder 10% of average grain diameter, average grain diameter
20 μm of hollow glass micropearl groups 18%, 20 μm of talcum powder 8% of average grain diameter, ferrous chloride 1%, ptfe emulsion 42%,
Pure water 16%.
4. hydrophobic type high reflection insulating moulding coating according to claim 1 to 3, it is characterised in that: the spray of the prime coat
It applies with a thickness of 70~90 μm；The coating thickness of the top coat layer is 90~120 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811626749.1A CN109957292A (en) | 2018-12-28 | 2018-12-28 | A kind of hydrophobic type high reflection insulating moulding coating |
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| CN201811626749.1A CN109957292A (en) | 2018-12-28 | 2018-12-28 | A kind of hydrophobic type high reflection insulating moulding coating |
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Cited By (1)
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| CN116102928A (en) * | 2023-02-15 | 2023-05-12 | 三峡大学 | A kind of preparation method of radiation refrigeration coating with superhydrophobic property |
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