CN110527380A - A kind of flame retardant type insulating mold coating used for building exterior wall and preparation method thereof - Google Patents
A kind of flame retardant type insulating mold coating used for building exterior wall and preparation method thereof Download PDFInfo
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- CN110527380A CN110527380A CN201910842709.9A CN201910842709A CN110527380A CN 110527380 A CN110527380 A CN 110527380A CN 201910842709 A CN201910842709 A CN 201910842709A CN 110527380 A CN110527380 A CN 110527380A
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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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- 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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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- 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
- C09D5/1675—Polyorganosiloxane-containing compositions
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- 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
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract
The present invention provides a kind of flame retardant type insulating mold coatings used for building exterior wall and preparation method thereof, it is related to technical field of coatings, the flame retardant type insulating mold coating used for building exterior wall is made of the raw material of following weight percent: organic silicon modified aqueous acrylic resin 20-28%, epoxy resin modified styrene-acrylic emulsion 10-16%, the modified heat preservation filler 15-26% of silicon fluoride, inorfil 0-0.8%, hollow glass micropearl 5-8.5%, titanium dioxide 10-15%, sulfonic acid intercalation modified hydrotalcite powder 1.8-3.4%, double-(γ-triethoxy silicon substrate propyl) tetrasulfide modified magnesium hydroxide 1.5-2.8%, double methyl methacrylate triethylene glycol ester 0.8-1.5%, film forming agent 0.4-0.7%, levelling agent 0.2-0.6%, antifreezing agent 1- 2.5%, surplus is deionized water.Each raw material ties in the present invention, and the heat insulation and preservation effect of coating is good, while the coating also has many advantages, such as that adhesion strength height, corrosion resistance and good, stain resistance are good, easy for construction.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of flame retardant type insulating mold coating used for building exterior wall and its system
Preparation Method.
Background technique
Building coating is brushed on the surface for the building constructed, and building surface is made to become a kind of smooth clean and tidy liquid mixing
The thing of shape, and insulating mold coating is then to have to keep temperature, completely cuts off a kind of coating of the function of hot gas.This coating application
In exterior wall, effect is indoors.According to the weather conditions of different regions, using corresponding coating, used as the case may be to reach
To the room effect of insulation, comfort level is improved, cost is reduced and resource uses.
The maximum feature of the heat-insulating heat-preserving material of external wall is exactly to keep the temperature, and that outside is isolated is equally also isolated the inside,
Not only having kept warm, it is cool to protect again, conducive to energy-saving and emission-reduction.Heat preservation both can protect room temperature or can protect the temperature of building oneself, and the winter is cold
Summer heat often allows the stability of construction material to be challenged, and the service life of building can always arrive the end within a certain period of time,
Temperature of thermal insulation coatings protection building itself, does not allow temperature, the external conditions such as steam reduce construction material effectively there are the time,
Increase the service life of building.
103740188 A of Chinese patent CN discloses a kind of external wall heat insulating coatings, and component includes: polymer
Lotion, functional stuffing, titanium dioxide, thickener, wetting agent, dispersing agent, defoaming agent and water；Functional stuffing is self-control coal ash zeolite
Molecular sieve.The coating performance that the coating is formed on construction wall is excellent, and heat insulation and preservation effect is better than other similar thermal insulation coatings,
The temperature difference also has many advantages, such as environment-protecting and non-poisonous, strong, not easy to crack, the easy construction of adhesive force up to 10 DEG C or more compared with blank, is applicable in
In building exterior wall heat preserving coating.
104745069 A of Chinese patent CN discloses soluble polyurethane external wall thermal insulation coating and its production method,
The coating be include base polyurethane prepolymer for use as, N hydroxymethyl acrylamide, diisooctyl maleate, anilinomethyl trimethoxy
Silane, rutile type titanium white, defoaming agent, superfine talcum powder, mixed solvent, hollow glass bead, manufactured coating have good
Heat insulation and preservation effect, crack resistance is strong, have the characteristics that chemicals-resistant, is wear-resisting, painting membrane lifetime is long.
Above-mentioned external wall thermal insulation coating all has excellent heat insulation and preservation effect, but its flame retardant effect needs further
It is promoted.105331217 A of Chinese patent CN discloses a kind of aqueous, environmental protective flame-retardant and thermal-insulated coating and preparation method thereof, should
The formula of aqueous, environmental protective flame-retardant and thermal-insulated coating includes: aqueous acrylamide yogurt, aqueous epoxy resin emulsion, aqueous inorganic are fire-retardant
Dispersion slurry, aquosity heat insulating heat preserving Nanodispersion slurry, aqueous wetting dispersing agent, aqueous defoamer, silane coupling agent, nothing
Lead pigments, coalescing agent and deionized water.The invention aqueous, environmental protective flame-retardant and thermal-insulated coating can be in coated substrate surface shape
At anticorrosion, it is wear-resisting scrape, acid and alkali-resistance, shock resistance, the effective protection of fire-retardant fireproof.But its water-borne heat-insulating for being used for heat-insulation and heat-preservation
The primary raw material for keeping the temperature Nanodispersion slurry is tungstic acid, and the price of tungstic acid is more expensive, therefore cost can be made significantly to increase
Add, to limit its popularization and application.
Summary of the invention
The purpose of the present invention is to provide a kind of flame retardant type insulating mold coating used for building exterior wall and preparation method thereof, each originals
Material ties in, and the heat insulation and preservation effect of coating is good, while the coating also has adhesion strength height, corrosion resistance and good, resistance to is stained with
The advantages that dirt is good, easy for construction.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of flame retardant type insulating mold coating used for building exterior wall, be made of the raw material of following weight percent: organosilicon changes
Property water-based acrylic resin 20-28%, epoxy resin modified styrene-acrylic emulsion 10-16%, the modified heat preservation filler 15- of silicon fluoride
26%, inorfil 0-0.8%, hollow glass micropearl 5-8.5%, titanium dioxide 10-15%, sulfonic acid intercalation modified hydrotalcite powder
1.8-3.4%, double-(γ-triethoxy silicon substrate propyl) tetrasulfide modified magnesium hydroxide 1.5-2.8%, methacrylate
Triethylene Glycol 0.8-1.5%, film forming agent 0.4-0.7%, levelling agent 0.2-0.6%, antifreezing agent 1-2.5%, surplus are
Deionized water.
The solid content of above-mentioned organic silicon modified aqueous acrylic resin is 45-55%, average grain diameter 20-80nm, 25 DEG C
Lower viscosity is 800-2000mPas, and Tg is 40-55 DEG C；
The solid content of epoxy resin modified styrene-acrylic emulsion is 43-50%, viscosity 1500-3000mPas at 25 DEG C.
The modified heat preservation filler of silicon fluoride mixes the preparation method comprises the following steps: silicon fluoride is dissolved in the ethanol/water that pH value is 4 ± 0.5
(mass ratio of ethyl alcohol and water is 1:9 in ethanol/water mixed solution) is closed in solution, silicon fluoride lysate is obtained；It will keep the temperature in filler
Ethyl alcohol is added, carries out ultrasonic disperse while stirring, after 30-40 minutes, silicon fluoride lysate is added, continuation is surpassed while stirring
Sound dispersion, after 20-30 minute, the back flow reaction 6h at 120-130 DEG C is centrifuged, is drying to obtain modified keep the temperature of the silicon fluoride and fills out
Material.
Wherein, silicon fluoride is that tridecafluoro-n-octyltriethoxysilane, 17 fluorine ruthenium trimethoxysilanes, 4- methyl-are (complete
Fluorine base ethyl) one or more of propyl trimethoxy silicane combination.Heat preservation filler in silane-modified heat preservation filler
For the combination of one or more of diatomite, expanded perlite, vermiculite power.
Inorfil in the present invention is carbon fiber, basalt fibre, glass fibre, mullite fiber, Zirconium oxide fibre
One or more of.
Hollow glass micropearl is the hollow glass micropearl that partial size is 50-120 μm.
Antifreezing agent is at least one of ethylene glycol, propylene glycol；Film forming agent is 2,2,4- trimethyl -1,3- pentanediol Dan Yi
Butyrate；Levelling agent is polyether-modified polydimethylsiloxanecopolymer copolymer levelling agent.
The preparation method of flame retardant type insulating mold coating used for building exterior wall in the present invention, comprising the following steps: by organosilicon
Modified aqueous acrylic acid resin, epoxy resin modified styrene-acrylic emulsion, deionized water are placed in agitator tank, and sulfonic acid intercalation is then added
Modified hydrotalcite powder and double-(γ-triethoxy silicon substrate propyl) tetrasulfide modified magnesium hydroxide are warming up to 40-45 DEG C, heat preservation
Stirring 60-90 minutes；Then stop heating, the modified heat preservation filler, titanium dioxide, double metering systems of inorfil, silicon fluoride is added
Sour Triethylene Glycol stirs with after, adds film forming agent, levelling agent, antifreezing agent, hollow glass micropearl, stir evenly
Up to the insulating mold coating.
The beneficial effects of the present invention are:
The present invention is cooperated using organic silicon modified aqueous acrylic resin and epoxy resin modified styrene-acrylic emulsion as film forming matter
Matter, low to the absorptivity of visible light, near infrared light and radiation energy, the two cooperation keeps the water resistance of coating very high, and has
Fabulous resistance to being stained with property is fastened, and ageing-resistant performance is good, and coating will not there is a phenomenon where shrinkage cavity, contractings to become.In the present invention, silicon fluoride heat preservation
The more common heat preservation filler of filler is compared, the adhesive property enhancing between each raw material, and enhances the adhesion strength of coating,
Infrared light reflection enhancing, heat-insulation and heat-preservation are further promoted.
Being added in the present invention has suitable sulfonic acid intercalation modified hydrotalcite powder, with double-(γ-triethoxy silicon substrate propyl)
The cooperation of tetrasulfide modified magnesium hydroxide, makes the excellent fireproof performance of coating, and can improve the mechanical property of thermal insulation coat,
Enhance the corrosion resistance of coating.The heat-proof quality of sulfonic acid intercalation modified hydrotalcite powder is strong simultaneously, with the modified heat preservation filler of silicon fluoride
It matches, the heat-proof quality of coating entirety is made to be significantly improved.The a small amount of inorfil being added can enhance the bonding of coating
Intensity and impact resistance.
In addition, the present invention uses titanium dioxide as white pigment, reflecting properties are strong, promote heat preservation, while having hollow
The cenosphere of structure reduces the thermal conductivity of coating, and heat transfer slows down, good effect of heat insulation.
Each raw material ties in the present invention, and cost is not high, and the heat insulation and preservation effect of coating is good, can effectively reduce summer
Or winter air-conditioning electricity consumption, amount of energy saving can reach 3-7% (only summer air-conditioning), and can make the appropriate using thickness of external-wall heat-insulation material
It is thinned.The coating also has many advantages, such as that adhesion strength height, corrosion resistance and good, stain resistance are good, easy for construction simultaneously.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
A kind of flame retardant type insulating mold coating used for building exterior wall, be made of the raw material of following weight percent: organosilicon changes
Property water-based acrylic resin 24%, epoxy resin modified styrene-acrylic emulsion 15%, the modified heat preservation filler 20% of silicon fluoride, basalt it is fine
Tie up 0.5%, hollow glass micropearl 7%, titanium dioxide 13%, sulfonic acid intercalation modified hydrotalcite powder 2.5%, double-(γ-triethoxy
Silicon substrate propyl) tetrasulfide modified magnesium hydroxide 2.6%, double methyl methacrylate triethylene glycol ester 0.8%, 2,2,4- front three
Base -1,3- pentanediol mono isobutyrate 0.5%, polyether-modified polydimethylsiloxanecopolymer copolymer levelling agent 0.5%, propylene glycol
2%, surplus is deionized water.
The modified heat preservation filler of silicon fluoride the preparation method comprises the following steps: it is 4 that 17 fluorine ruthenium trimethoxysilanes, which are dissolved in pH value,
In ± 0.5 ethanol/water mixed solution (mass ratio of ethyl alcohol and water is 1:9 in ethanol/water mixed solution), silicon fluoride dissolution is obtained
Liquid；Ethyl alcohol will be added in expanded perlite, carry out ultrasonic disperse while stirring, after forty minutes, silicon fluoride lysate is added, continues
Ultrasonic disperse is carried out while stirring, and after 30 minutes, the back flow reaction 6h at 130 DEG C is centrifuged, is drying to obtain the silicon fluoride modification
Keep the temperature filler.The mass ratio of 17 fluorine ruthenium trimethoxysilanes and expanded perlite is 1:50.
The solid content of above-mentioned organic silicon modified aqueous acrylic resin is 50%, average grain diameter 50nm, viscosity at 25 DEG C
It is 50 DEG C for 1500mPas, Tg；The solid content of epoxy resin modified styrene-acrylic emulsion is 47%, viscosity at 25 DEG C
2000mPa·s.Hollow glass micropearl is the hollow glass micropearl that partial size is 100-120 μm.
The preparation method of above-mentioned flame retardant type insulating mold coating used for building exterior wall, comprising the following steps: will be organic-silicon-modified
Water-based acrylic resin, epoxy resin modified styrene-acrylic emulsion, deionized water are placed in agitator tank, and it is modified that sulfonic acid intercalation is then added
Hydrotalcite powder and double-(γ-triethoxy silicon substrate propyl) tetrasulfide modified magnesium hydroxide, are warming up to 45 DEG C, insulated and stirred 80
Minute；Then stop heating, the modified heat preservation filler of basalt fibre, silicon fluoride, titanium dioxide, the contracting of methacrylate two three is added
Glycol ester stirs with after, adds 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates, polyether-modified poly dimethyl
Silicone copolymers levelling agent, propylene glycol, hollow glass micropearl stir evenly up to the insulating mold coating.
Embodiment 2:
A kind of flame retardant type insulating mold coating used for building exterior wall, be made of the raw material of following weight percent: organosilicon changes
Property water-based acrylic resin 28%, epoxy resin modified styrene-acrylic emulsion 12%, the modified heat preservation filler 18% of silicon fluoride, mullite it is fine
Tie up 0.8%, hollow glass micropearl 6%, titanium dioxide 13%, sulfonic acid intercalation modified hydrotalcite powder 3%, double-(γ-triethoxysilicane
Base propyl) tetrasulfide modified magnesium hydroxide 2.2%, double methyl methacrylate triethylene glycol ester 1.2%, 2,2,4- front three
Base -1,3- pentanediol mono isobutyrate 0.6%, polyether-modified polydimethylsiloxanecopolymer copolymer levelling agent 0.6%, ethylene glycol
2%, surplus is deionized water.
The modified heat preservation filler of silicon fluoride the preparation method comprises the following steps: by 4- methyl-(perfluor base ethyl) propyl trimethoxy silicon
Alkane be dissolved in the ethanol/water mixed solution that pH value is 4 ± 0.5 (in ethanol/water mixed solution the mass ratio of ethyl alcohol and water be 1:
9) silicon fluoride lysate, is obtained；Ethyl alcohol is added into diatomite, carries out ultrasonic disperse while stirring, after forty minutes, silicon fluoride is added
Lysate, continuation carry out ultrasonic disperse while stirring, and after twenty minutes, the back flow reaction 6h at 120 DEG C is centrifuged, is drying to obtain institute
State the modified heat preservation filler of silicon fluoride.The mass ratio of 4- methyl-(perfluor base ethyl) propyl trimethoxy silicane and diatomite is
1:60.
The solid content 48% of above-mentioned organic silicon modified aqueous acrylic resin, average grain diameter 63nm, viscosity is at 25 DEG C
1280mPas, Tg are 45 DEG C；The solid content of epoxy resin modified styrene-acrylic emulsion is 50%, viscosity 2500mPa at 25 DEG C
s.Hollow glass micropearl is the hollow glass micropearl that partial size is 70-100 μm.
The preparation method of above-mentioned flame retardant type insulating mold coating used for building exterior wall, comprising the following steps: will be organic-silicon-modified
Water-based acrylic resin, epoxy resin modified styrene-acrylic emulsion, deionized water are placed in agitator tank, and it is modified that sulfonic acid intercalation is then added
Hydrotalcite powder and double-(γ-triethoxy silicon substrate propyl) tetrasulfide modified magnesium hydroxide, are warming up to 40 DEG C, insulated and stirred 90
Minute；Then stop heating, the modified heat preservation filler of mullite fiber, silicon fluoride, titanium dioxide, the contracting of methacrylate two three is added
Glycol ester stirs with after, adds 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates, polyether-modified poly dimethyl
Silicone copolymers levelling agent, ethylene glycol, hollow glass micropearl stir evenly up to the insulating mold coating.
Embodiment 3:
A kind of flame retardant type insulating mold coating used for building exterior wall, be made of the raw material of following weight percent: organosilicon changes
Property water-based acrylic resin 22%, epoxy resin modified styrene-acrylic emulsion 16%, the modified heat preservation filler 19% of silicon fluoride, zirconium oxide it is fine
Tie up 0.6%, hollow glass micropearl 7.5%, titanium dioxide 13%, sulfonic acid intercalation modified hydrotalcite powder 3%, double-(γ-triethoxy
Silicon substrate propyl) tetrasulfide modified magnesium hydroxide 1.9%, double methyl methacrylate triethylene glycol ester 1.1%, 2,2,4- front three
Base -1,3- pentanediol mono isobutyrate 0.5%, polyether-modified polydimethylsiloxanecopolymer copolymer levelling agent 0.5%, ethylene glycol
1.5%, surplus is deionized water.
The modified heat preservation filler of silicon fluoride the preparation method comprises the following steps: it is 4 that 17 fluorine ruthenium trimethoxysilanes, which are dissolved in pH value,
In ± 0.5 ethanol/water mixed solution (mass ratio of ethyl alcohol and water is 1:9 in ethanol/water mixed solution), silicon fluoride dissolution is obtained
Liquid；Ethyl alcohol is added into expanded perlite, carries out ultrasonic disperse while stirring, after 35 minutes, silicon fluoride lysate is added, continues
Ultrasonic disperse is carried out while stirring, and after 25 minutes, the back flow reaction 6h at 130 DEG C is centrifuged, is drying to obtain the silicon fluoride modification
Keep the temperature filler.The mass ratio of 17 fluorine ruthenium trimethoxysilanes and expanded perlite is 1:50.
The solid content of above-mentioned organic silicon modified aqueous acrylic resin is 45%, average grain diameter 60nm, viscosity at 25 DEG C
It is 40 DEG C for 1650mPas, Tg；The solid content of epoxy resin modified styrene-acrylic emulsion is 48%, viscosity at 25 DEG C
2200mPa·s.Hollow glass micropearl is the hollow glass micropearl that partial size is 50-80 μm.
The preparation method of above-mentioned flame retardant type insulating mold coating used for building exterior wall, comprising the following steps: will be organic-silicon-modified
Water-based acrylic resin, epoxy resin modified styrene-acrylic emulsion, deionized water are placed in agitator tank, and it is modified that sulfonic acid intercalation is then added
Hydrotalcite powder and double-(γ-triethoxy silicon substrate propyl) tetrasulfide modified magnesium hydroxide, are warming up to 45 DEG C, insulated and stirred 60
Minute；Then stop heating, the modified heat preservation filler of Zirconium oxide fibre, silicon fluoride, titanium dioxide, the contracting of methacrylate two three is added
Glycol ester stirs with after, adds 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates, polyether-modified poly dimethyl
Silicone copolymers levelling agent, antifreezing agent, hollow glass micropearl stir evenly up to the insulating mold coating.
Embodiment 4:
A kind of flame retardant type insulating mold coating used for building exterior wall, be made of the raw material of following weight percent: organosilicon changes
Property water-based acrylic resin 28%, epoxy resin modified styrene-acrylic emulsion 12%, the modified heat preservation filler 18%, carbon fiber of silicon fluoride
0.3%, hollow glass micropearl 8.5%, titanium dioxide 12%, sulfonic acid intercalation modified hydrotalcite powder 2.8%, double-(γ-triethoxy
Silicon substrate propyl) tetrasulfide modified magnesium hydroxide 1.5%, double methyl methacrylate triethylene glycol ester 0.8%, 2,2,4- front three
Base -1,3- pentanediol mono isobutyrate 0.6%, polyether-modified polydimethylsiloxanecopolymer copolymer levelling agent 0.6%, propylene glycol
1%, surplus is deionized water.
The modified heat preservation filler of silicon fluoride the preparation method comprises the following steps: by 4- methyl-(perfluor base ethyl) propyl trimethoxy silicon
Alkane be dissolved in the ethanol/water mixed solution that pH value is 4 ± 0.5 (in ethanol/water mixed solution the mass ratio of ethyl alcohol and water be 1:
9) silicon fluoride lysate, is obtained；Ethyl alcohol is added into vermiculite power, carries out ultrasonic disperse while stirring, after forty minutes, silicon fluoride is added
Lysate, continuation carry out ultrasonic disperse while stirring, and after 25 minutes, the back flow reaction 6h at 125 DEG C is centrifuged, is drying to obtain institute
State the modified heat preservation filler of silicon fluoride.The mass ratio of 4- methyl-(perfluor base ethyl) propyl trimethoxy silicane and vermiculite power is
1:45.
The solid content of above-mentioned organic silicon modified aqueous acrylic resin is 55%, average grain diameter 80nm, viscosity at 25 DEG C
It is 55 DEG C for 2000mPas, Tg；The solid content of epoxy resin modified styrene-acrylic emulsion is 50%, viscosity at 25 DEG C
3000mPa·s.Hollow glass micropearl is the hollow glass micropearl that partial size is 60-100 μm.
The preparation method is the same as that of Example 1 for above-mentioned flame retardant type insulating mold coating used for building exterior wall.
Embodiment 5:
A kind of flame retardant type insulating mold coating used for building exterior wall, be made of the raw material of following weight percent: organosilicon changes
Property water-based acrylic resin 24.5%, epoxy resin modified styrene-acrylic emulsion 10%, the modified heat preservation filler 26%, hollow glass of silicon fluoride
Glass microballon 6%, titanium dioxide 15%, sulfonic acid intercalation modified hydrotalcite powder 3.4%, double-(γ-triethoxy silicon substrate propyl) four vulcanize
Object modified magnesium hydroxide 2.5%, double methyl methacrylate triethylene glycol ester 1.5%, 2,2,4- trimethyl -1,3- pentanediol list
Isobutyrate 0.4%, polyether-modified polydimethylsiloxanecopolymer copolymer levelling agent 0.5%, propylene glycol 2%, surplus is deionization
Water.
The modified heat preservation filler of silicon fluoride the preparation method comprises the following steps: by 4- methyl-(perfluor base ethyl) propyl trimethoxy silicon
Alkane be dissolved in the ethanol/water mixed solution that pH value is 4 ± 0.5 (in ethanol/water mixed solution the mass ratio of ethyl alcohol and water be 1:
9) silicon fluoride lysate, is obtained；Ethyl alcohol is added into expanded perlite, carries out ultrasonic disperse while stirring, after 30 minutes, fluorine is added
Silane lysate, continuation carry out ultrasonic disperse while stirring, and after twenty minutes, the back flow reaction 6h at 120 DEG C, centrifugation, drying are
Obtain the modified heat preservation filler of the silicon fluoride.4- methyl-(perfluor base ethyl) propyl trimethoxy silicane and expanded perlite
Mass ratio is 1:50.
The solid content of above-mentioned organic silicon modified aqueous acrylic resin is 49%, average grain diameter 20nm, viscosity at 25 DEG C
It is 45 DEG C for 1300mPas, Tg；The solid content of epoxy resin modified styrene-acrylic emulsion is 46%, viscosity at 25 DEG C
1500mPa·s.Hollow glass micropearl is the hollow glass micropearl that partial size is 90-120 μm.
The preparation method of above-mentioned flame retardant type insulating mold coating used for building exterior wall is the same as embodiment 2.
Embodiment 6:
A kind of flame retardant type insulating mold coating used for building exterior wall, be made of the raw material of following weight percent: organosilicon changes
Property water-based acrylic resin 20%, epoxy resin modified styrene-acrylic emulsion 16%, the modified heat preservation filler 15% of silicon fluoride, basalt it is fine
Tie up 0.8%, hollow glass micropearl 5%, titanium dioxide 10%, sulfonic acid intercalation modified hydrotalcite powder 1.8%, double-(γ-triethoxy
Silicon substrate propyl) tetrasulfide modified magnesium hydroxide 2.8%, double methyl methacrylate triethylene glycol ester 1.2%, 2,2,4- front three
Base -1,3- pentanediol mono isobutyrate 0.7%, polyether-modified 0.2% ethylene glycol of polydimethylsiloxanecopolymer copolymer levelling agent
2.5%, surplus is deionized water.
The modified heat preservation filler of silicon fluoride the preparation method comprises the following steps: it is 4 that 17 fluorine ruthenium trimethoxysilanes, which are dissolved in pH value,
In ± 0.5 ethanol/water mixed solution (mass ratio of ethyl alcohol and water is 1:9 in ethanol/water mixed solution), silicon fluoride dissolution is obtained
Liquid；Ethyl alcohol is added into vermiculite power, carries out ultrasonic disperse while stirring, after 35 minutes, silicon fluoride lysate is added, continues side and stirs
It mixes side and carries out ultrasonic disperse, after 30 minutes, the back flow reaction 6h at 130 DEG C is centrifuged, is drying to obtain the modified heat preservation of the silicon fluoride
Filler.The mass ratio of 17 fluorine ruthenium trimethoxysilanes and vermiculite power is 1:60.
The solid content of above-mentioned organic silicon modified aqueous acrylic resin is 45%, average grain diameter 50nm, viscosity at 25 DEG C
It is 52 DEG C for 800mPas, Tg；The solid content of epoxy resin modified styrene-acrylic emulsion is 43%, viscosity 2200mPa at 25 DEG C
s.Hollow glass micropearl is the hollow glass micropearl that partial size is 50-80 μm.
The preparation method of above-mentioned flame retardant type insulating mold coating used for building exterior wall is the same as embodiment 2.
Embodiment 7:
A kind of flame retardant type insulating mold coating used for building exterior wall, be made of the raw material of following weight percent: organosilicon changes
Property water-based acrylic resin 23%, epoxy resin modified styrene-acrylic emulsion 16%, the modified heat preservation filler 19% of silicon fluoride, mullite it is fine
Tie up 0.3%, hollow glass micropearl 8.5%, titanium dioxide 13.5%, sulfonic acid intercalation modified hydrotalcite powder 3.1%, double-(γ-three second
Oxygroup silicon substrate propyl) tetrasulfide modified magnesium hydroxide 1.9%, double methyl methacrylate triethylene glycol ester 1.2%, 2,2,4-
Trimethyl -1,3- pentanediol mono isobutyrate 0.5%, polyether-modified polydimethylsiloxanecopolymer copolymer levelling agent 0.5%, second two
Alcohol 2.2%, surplus are deionized water.
The modified heat preservation filler of silicon fluoride the preparation method comprises the following steps: it is 4 that 17 fluorine ruthenium trimethoxysilanes, which are dissolved in pH value,
In ± 0.5 ethanol/water mixed solution (mass ratio of ethyl alcohol and water is 1:9 in ethanol/water mixed solution), silicon fluoride dissolution is obtained
Liquid；Ethyl alcohol will be added in diatomite, carry out ultrasonic disperse while stirring, after 35 minutes, silicon fluoride lysate is added, continue side and stir
It mixes side and carries out ultrasonic disperse, after 30 minutes, the back flow reaction 6h at 125 DEG C is centrifuged, is drying to obtain the modified heat preservation of the silicon fluoride
Filler.The mass ratio of 17 fluorine ruthenium trimethoxysilanes and swollen diatomite is 1:30.
The solid content of above-mentioned organic silicon modified aqueous acrylic resin is 48%, average grain diameter 60nm, viscosity at 25 DEG C
It is 45 DEG C for 1200mPas, Tg；The solid content of epoxy resin modified styrene-acrylic emulsion is 45%, viscosity at 25 DEG C
23000mPa·s.Hollow glass micropearl is the hollow glass micropearl that partial size is 50-80 μm.
The preparation method of above-mentioned flame retardant type insulating mold coating used for building exterior wall is the same as embodiment 3.
Comparative example 1:
A kind of flame retardant type insulating mold coating used for building exterior wall unlike the first embodiment fills out the modified heat preservation of silicon fluoride
Material replaces with normal expanded perlite, remaining is same as Example 1.
Comparative example 2:
A kind of flame retardant type insulating mold coating used for building exterior wall, unlike the first embodiment, by the modified neatly of sulfonic acid intercalation
Mountain flour replaces with common hydrotalcite powder, remaining is same as Example 1.
In the present invention, double-(γ-triethoxy silicon substrate propyl) tetrasulfide modified magnesium hydroxide is " modified by document
Inorganic particulate is to ethylene -- the research of acetate ethylene copolymer flame retardant property " disclosed in method prepare.Sulfonic acid intercalation changes
Property hydrotalcite by method disclosed in document " influence of the intercalation modifying hydrotalcite to Performance of Intumescent Flame Retardant Coatings " into
Row preparation.Performance test:
1, sun reflectivity, emissivity and the heat-proof quality of coating are tested
It is reflected according to the sunlight of the coating in the standard test embodiment 1-3 and comparative example 1-2 of JG/T 235-2008
Than, hemispherical emissivity, the heat-insulated temperature difference and the decaying of the heat-insulated temperature difference, it is specific as shown in table 1.
Table 1:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | |
| Sun reflectivity | 9.1 | 9.0 | 8.9 | 8.6 | 8.7 |
| Hemispherical emissivity | 9.0 | 8.9 | 8.9 | 8.5 | 8.6 |
| The heat-insulated temperature difference | 12.6 | 12.3 | 12.5 | 12.1 | 12.2 |
| Heat-insulated temperature difference decaying | 4.8 | 5.2 | 5.1 | 5.5 | 5.7 |
As shown in Table 1, the coating heat preservation and insulation in the present invention is excellent, compared with Example 1 may be used by comparative example 1-2
Know, the modified heat preservation filler of silicon fluoride, sulfonic acid intercalation modified hydrotalcite powder all have changing for higher degree for heat preservation and insulation
It is kind.
2, basic performance is tested
Using cement asbestos board as substrate, the coating in 1-3 of the embodiment of the present invention and comparative example 1-2, film are coated thereon
With a thickness of 2mm, the basic performance of coating is tested.Drying time and initial dry cracking resistance after the paint has been applied immediately into
Row test.Resistance to soiling, water resistance, alkali resistance, impact resistance, adhesion strength are tested after maintenance 14 days.
The measuring method of the application property of coating is carried out according to JC/T 23-1999 " preparation of building coating coating test plate (panel) ".It is dry
The dry time is surface drying time, and measuring method is carried out according to GB/T 1728-1979 " film, putty membrane drying time measuring method ".
The measuring method of water resistance is carried out according to GB/T 1733-1993 " building coating water-resistance property of coating measuring method "；It is alkaline-resisting
Property measuring method according to GB/T9365-1988 " measuring method of building coating coating alkali resistance " carry out；The measurement of impact resistance
Method is carried out according to JC/T 24-2000 " SAND SLURRY SYNTHETIC EMULSION ARCHITECTURAL COATINGS ".The measuring method of stain resistance according to
GB/T 9780-2005 " Test method for dirt resistance of film of architectural coatings and paint " is carried out.
Specific test result is as shown in table 2
Table 2:
As shown in Table 2, the coating good combination property in the present invention, as known from compared to Example 1 by comparative example 1-2, fluorine silicon
The modified heat preservation filler of alkane, sulfonic acid intercalation modified hydrotalcite powder have a degree of improvement for adhesion strength, especially for
Adhesion strength after immersion.
3, the measurement of flame retardant property
After testing, fire protecting performance can reach A2 grades to the coating of 1-7 of the embodiment of the present invention.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of flame retardant type insulating mold coating used for building exterior wall, which is characterized in that be made of the raw material of following weight percent:
The modified heat preservation of organic silicon modified aqueous acrylic resin 20-28%, epoxy resin modified styrene-acrylic emulsion 10-16%, silicon fluoride is filled out
Expect the modified neatly of 15-26%, inorfil 0-0.8%, hollow glass micropearl 5-8.5%, titanium dioxide 10-15%, sulfonic acid intercalation
Mountain flour 1.8-3.4%, double-(γ-triethoxy silicon substrate propyl) tetrasulfide modified magnesium hydroxide 1.5-2.8%, double methyl-props
Olefin(e) acid Triethylene Glycol 0.8-1.5%, film forming agent 0.4-0.7%, levelling agent 0.2-0.6%, antifreezing agent 1-2.5%, it is remaining
Amount is deionized water.
2. insulating mold coating used for building exterior wall according to claim 1, which is characterized in that described organic silicon modified aqueous
The solid content of acrylic resin is 45-55%, average grain diameter 20-80nm, and viscosity is 800-2000mPas at 25 DEG C, and Tg is
40-55℃。
3. insulating mold coating used for building exterior wall according to claim 1, which is characterized in that the epoxy resin modification benzene
The solid content of acrylic emulsion is 43-50%, viscosity 1500-3000mPas at 25 DEG C.
4. insulating mold coating used for building exterior wall according to claim 1, which is characterized in that the modified heat preservation of the silicon fluoride
Filler dissolves the preparation method comprises the following steps: silicon fluoride is dissolved in pH value in 4 ± 0.5 ethanol/water mixed solution, to obtain silicon fluoride
Liquid；Ethyl alcohol is added into heat preservation filler, carries out ultrasonic disperse while stirring, after 30-40 minutes, silicon fluoride lysate is added, after
It is continuous to carry out ultrasonic disperse while stirring, after 20-30 minute, the back flow reaction 6h at 120-130 DEG C, be centrifuged, be drying to obtain described in
The modified heat preservation filler of silicon fluoride.
5. insulating mold coating used for building exterior wall according to claim 4, which is characterized in that the silicon fluoride is ten trifluoros
Octyltri-ethoxysilane, 17 fluorine ruthenium trimethoxysilanes, 4- methyl-(perfluor base ethyl) propyl trimethoxy silicane
One or more of combination.
6. insulating mold coating used for building exterior wall according to claim 1, which is characterized in that the modified heat preservation of the silicon fluoride
Heat preservation filler in filler is the combination of one or more of diatomite, expanded perlite, vermiculite power.
7. insulating mold coating used for building exterior wall according to claim 1, which is characterized in that the inorfil is carbon fiber
One or more of dimension, basalt fibre, glass fibre, mullite fiber, Zirconium oxide fibre.
8. insulating mold coating used for building exterior wall according to claim 1, which is characterized in that the hollow glass micropearl is
The hollow glass micropearl that partial size is 50-120 μm.
9. insulating mold coating used for building exterior wall according to claim 1, which is characterized in that the antifreezing agent is second two
At least one of alcohol, propylene glycol；The film forming agent is 2,2,4- trimethyl -1,3- pentanediol mono isobutyrate；The levelling
Agent is polyether-modified polydimethylsiloxanecopolymer copolymer levelling agent.
10. the preparation method of insulating mold coating used for building exterior wall according to claim 1 to 9, feature exist
In, comprising the following steps: organic silicon modified aqueous acrylic resin, epoxy resin modified styrene-acrylic emulsion, deionized water are placed in
In agitator tank, sulfonic acid intercalation modified hydrotalcite powder and the modified hydrogen of double-(γ-triethoxy silicon substrate propyl) tetrasulfide is then added
Magnesia is warming up to 40-45 DEG C, insulated and stirred 60-90 minutes；Then stop heating, the modified guarantor of inorfil, silicon fluoride is added
Warm filler, titanium dioxide, double methyl methacrylate triethylene glycol ester stir with after, add film forming agent, levelling agent, antifreeze
Agent, hollow glass micropearl stir evenly up to the insulating mold coating.
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Application publication date: 20191203 |