CN104130689B - Metal exterior wall paint and preparation method thereof - Google Patents
Metal exterior wall paint and preparation method thereof Download PDFInfo
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- CN104130689B CN104130689B CN201410341625.4A CN201410341625A CN104130689B CN 104130689 B CN104130689 B CN 104130689B CN 201410341625 A CN201410341625 A CN 201410341625A CN 104130689 B CN104130689 B CN 104130689B
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Abstract
The invention provides a metal exterior wall paint and a preparation method thereof. With the metal exterior wall paint provided by the invention, metal paint coating aging and damage caused by heat energy accumulation on the surface of the metal exterior wall paint coating can be greatly reduced, indoor air temperature and humidity fluctuation frequency can be reduced, temperature and humidity can be maintained within an ideal range for a long time, human body comfortableness can be greatly improved, wall surface mildew occurrence can be effectively prevented, tiny cracks caused by various deformation of the exterior wall can be covered, and so on. The paint has phase change energy storage, temperature adjustment and control, and energy saving effects. The paint also has mildew prevention, sterilization, and air purification functions. With the paint, a metal exterior wall can achieve purposes of good and elegant appearance, comfortableness, and energy saving.
Description
【Technical field】
The present invention relates to a kind of metal exterior wall paint and preparation method thereof, more particularly, to a kind of long-acting mould-proof type metal exterior wall paint
And preparation method thereof and in particular to a kind of have long-acting mould-proof type metal exterior wall paint of heat-storage thermoregulation function and preparation method thereof.
【Background technology】
Known, the usual all brush layer of metal exterior wall paints in surface of building, and building, when using, needs constantly to disappear
Consume the substantial amounts of energy, the wherein overwhelming majority is all used for heating and cooling, in hot summer, due to the thermal conductivity factor of metallic pigments
Height, good thermal conduction, metal exterior wall paint can also cause the rising of indoor temperature, increases the energy that the cooling systems such as air-conditioning bring further
Consumption；Further, since traditional solvent-borne type metal exterior wall paint and aqueous metallic effect exterior wall coatings do not have elasticity, can not effectively more to crackle
Lid, the phenomenon that coating cracking, hollowing even come off is more universal.
Further, the generation gone mouldy not only makes the ornamental decline of coating surface weathering, but also paint film can be caused to hold
Split or peel off, in the south of China, overcast and rainy wet weather is more, especially in the dark humidity place of improper ventilation, its temperature and
The breeding of all very suitable mould of humidity and bacterium and growth, can gradually be faded, stain even by the later coating of mold corrosion
Come off, this is because mould can secret out of enzyme after corroding film, these secretion can decompose organic film forming in coating further
Material, becomes the nutriment of fungus growth, thus destroying whole coating etc..
Inventor finds through retrieval, Chinese patent, Publication No. CN101875798A, and publication date is November 03 in 2010
The patent document of day discloses a kind of one-component solvent borne metallic paint, and this coating is with highly-chlorinated polyethylene, thermoplastic acrylic tree
Fat, chlorinated rubber resin and cold spelling of a small amount of epoxy resin are prepared from for base-material, have good weatherability, anticorrosive property is good and uses
The features such as life-span length, but because solvent based coating environmental pollution is too big, and do not have elasticity, easily ftracture and come off, gradually by
Eliminate；
Chinese patent, Publication No. CN103589256A, publication date is that the patent of on 02 19th, 2014 discloses one kind
Aqueous extra-weather-proof modified silicon the third metallic paint coating, this coating is with extra-weather-proof waterborne organic silicon modified acrylic acid emulsion for film forming matter system
For forming, its advantage is easy construction, has certain toughness, impact resistance and stain resistance good.But because aluminium powder stores up in water
Deposit stability bad, easily there is chemical reaction and lead to thickening, rise tank phenomenon, to the production of aqueous metallic paint, transport and apply
Work brings great problems；
Chinese patent, Publication No. CN103102723A, publication date is that the patent of on 05 15th, 2013 discloses one kind
Solvent-type acrylic mildew resistant paint, this coating is made up with acrylic resin of base-material, and acrylic resin has low temperature embrittlement, high temperature
The disadvantage becoming sticky, coating easily ftractures in the winter time and is easily stained in summer, and mould proof and decorative effect is had a greatly reduced quality.Additionally, should
With dibutyl phthalate and toluene as plasticizer or diluent, this kind of material is to environment and all toxic work of human body for coating
With therefore, this coating can not meet the feature of environmental protection that coating requirement increasingly increases, Harmless demand etc..
【Content of the invention】
Not enough present in background technology in order to overcome, the invention provides a kind of metal exterior wall paint and preparation method thereof,
The metal exterior wall paint being obtained by the present invention can be greatly reduced metal exterior wall paint coating surface and be gathered to metal face due to heat energy
The aging damage of material coating, reduces the frequency of indoor air temperature and moisture fluctuation, and keeping temperature and humidity are longer at one
It is in preferable scope in period, considerably increases human comfort, the present invention can also effectively prevent what metope from going mouldy to send out simultaneously
Raw, cover fine cracks that exterior wall is produced etc. due to various deformation, the present invention not only has phase-change accumulation energy, temperature adjustment temperature control, section
Save the energy effect, also there is the effect of antimildew and antibacterial, purify air simultaneously, make metal exterior wall paint be really achieved attractive in appearance, graceful,
The comfortable purpose with energy-conservation.
For realizing goal of the invention as above, the present invention adopts technical scheme as described below：
A kind of metal exterior wall paint, described metal exterior wall paint includes first component and second component, and wherein first component includes abrasive material
Group and lower abrasive material group, the composition of described upper abrasive material group includes following composition by weight：
30～40 parts of elastomeric polyester resins；
3～5 parts of fluorocarbon resin；
15～25 parts of compound acetylbutyrylcellulose slurry；
0.4～0.6 part of wetting dispersing agent；
3～5 parts of mould inhibitor；
5～7 parts of silver-zirconium phosphate antimicrobial；
5～8 parts of nano-titanium an aromatic plant metioned in ancient books powder；
Align 4～7 parts of auxiliary agent；
The composition of described lower abrasive material group includes following composition by weight：
5～10 parts of microcapsules heat exchange material；
5～10 parts of aluminium powder；
0.4～0.6 part of levelling agent；
3～6 parts of endurable active toughener；
The composition of described second component includes following composition by weight：
70～80 parts of HDI biuret；
5～12 parts of HDI trimer.
Described metal exterior wall paint, the preparation of described microcapsules heat exchange material includes the preparation of cyst wall and the system of core
Standby, the preparation of described cyst wall is first by 30～34g melamine, 48～55ml formalin, 0.10～0.15g methenamine
It is added in four-hole boiling flask with 18～25g deionized water, is warming up to 75～85 DEG C, adjust pH=8～9, isothermal reaction with triethanolamine
25～35 min are obtained carbamide " MF " resin prepolymer；
The preparation of described core is first by 80～120g styrene-maleic anhydride copolymer resin " SMA ", 1.0～1.5g breast
Agent " OP-10 ", 0.3～0.5g NaOH and 75～85g butyl stearate-tetradecanol mixture are added to deionization
In water, stir 45～55 min at 65～75 DEG C, be subsequently poured in four-hole boiling flask, mixing core material emulsion is obtained, further, will
Emulsion is poured in four-hole bottle, adjusts pH=3～4 with citric acid, is warming up to 75～85 DEG C, is slowly added dropwise certain under agitation
The MF performed polymer of amount, reaction 2.5～3.5h obtains microcapsule suspensions, through washing and being drying to obtain stearic acid fourth after discharging
Ester-tetradecanol mixing core microcapsules.
Described metal exterior wall paint, described butyl stearate is 5 with the mass ratio of tetradecanol：3.
Described metal exterior wall paint, described compound acetylbutyrylcellulose slurry be by the CAB-551-0.5 of 1 weight portion and
The elastomeric polyester resins of 8 weight portions are added together, in 800～1000 revs/min of dispersion machine after the CAB-381-2 mixing of 1 weight portion
Under rotating speed, dispersion obtains compound acetylbutyrylcellulose slurry for 20～30 minutes with standby.
Described metal exterior wall paint, described elastomeric polyester resins are Rokrapol 2130；Fluorocarbon resin is JF-2X；Wetting
Dispersant is BYK-220S；Mould inhibitor is ATE9277；Silver-zirconium phosphate antimicrobial is LD-PC；Nano-titanium an aromatic plant metioned in ancient books powder is YT-803；
Aligning auxiliary agent is BASF-EVA3 wax.
Described metal exterior wall paint, described aluminium powder is CE-160；Levelling agent is BYK-306；Endurable active toughener is Lexomer
WA98.
Described metal exterior wall paint, described HDI biuret is Bayer-N75；HDI trimer is N3390.
A kind of preparation method of metal exterior wall paint, described preparation method specifically includes following steps：
First, prepare first component：
A, the preparation of upper abrasive material group：
Weigh respectively by weight 30～40 parts elastomeric polyester resins, 3～5 parts of fluorocarbon resin, 15～25 parts answer
Close acetylbutyrylcellulose slurry, 0.4～0.6 part of wetting dispersing agent, 3～5 parts of mould inhibitor, 5～7 parts of basic zirconium phosphate load silver
Antiseptic, 5～8 parts of nano-titanium an aromatic plant metioned in ancient books powder and 4～7 parts align auxiliary agent together put in high speed dispersor dispersion 30～
40 minutes, dispersion placed into after finishing and is ground to fineness≤30um in sand mill；
B, the preparation of abrasive material group：
Connect step, the upper abrasive material group obtaining after grinding goes in dispersion machine, is then separately added into 5～10 parts by weight
Microcapsules heat exchange material, the levelling agent of 5～10 parts of aluminium powder and 0.4～0.6 part, in 600～800 revs/min of dispersion machine
Disperse 30～40 minutes under rotating speed, finally adjust its viscosity with 3～6 parts of endurable active toughener and obtain first after screen filtration
Component, by first component packed for standby use；
2nd, prepare second component：
70～80 parts of HDI biuret and 5～12 parts of HDI trimer is taken together to put into dispersion machine by weight respectively
In mixed, dispersion 20～30 minutes and obtain second group after screen filtration under 600～800 revs/min of rotating speeds of dispersion machine
Point, by second component packed for standby use；
3rd, prepare metal exterior wall paint：
Connect step, the second component by weight 1 of the first component that obtain the first step and second step acquisition：1 carries out mixing point
Dissipate, obtain metal exterior wall paint after being uniformly dispersed.
The preparation method of described metal exterior wall paint, described screen cloth is 60 eye mesh screens.
Using technical scheme as above, the present invention has superiority as described below：
A kind of metal exterior wall paint of the present invention and preparation method thereof, the metal exterior wall paint being obtained by the present invention is had
Following superiority：
1st, there is more significant heat-storage thermoregulation function, it is possible to decrease the frequency of indoor air temperature fluctuation, maintain the temperature at
Close with required temperature in one longer period, increase human comfort, reach energy-conservation purpose simultaneously；
2nd, there is antimycotic antiseptic and timeliness is long, have wide spectrum, efficient and longer to microorganisms such as mould, bacterium and saccharomycete
The sterilization of time or rejection ability, the present invention with silver-zirconium phosphate antimicrobial for inorganic antimildew disinfectant, with isothiazolinone
Mould inhibitor ATE9277 is compounded for organic antimildew disinfectant, improves drug effect and prevention and treatment range, reaches organic-inorganic and works in coordination with increasing
The sterilized effect of effect, through measuring and calculating：Antibiotic rate >=95% to Escherichia coli and Staphylococcus aureus, mixed bacteria 4 months is zero
Level；All there is good long-term resistance to multiple mould such as aspergillus niger, aspergillus flavus, aspergillus versicolor；
3rd, there is excellent thermal radiation function, infrared luminous radiance >=88%, there is certain heat-proof quality；
4th, solid content >=95%, is solvent-free products, environment-protecting asepsis etc..
【Specific embodiment】
The present invention can be explained in more detail by the following examples, the invention is not limited in the following examples；
A kind of metal exterior wall paint of the present invention, described metal exterior wall paint includes first component and second component, wherein first group
Divide and include upper abrasive material group and lower abrasive material group, the composition of described upper abrasive material group includes following composition by weight：
30～40 parts of elastomeric polyester resins；3～5 parts of fluorocarbon resin；
15～25 parts of compound acetylbutyrylcellulose slurry；0.4～0.6 part of wetting dispersing agent；
3～5 parts of mould inhibitor；5～7 parts of silver-zirconium phosphate antimicrobial；
5～8 parts of nano-titanium an aromatic plant metioned in ancient books powder；Align 4～7 parts of auxiliary agent；
The composition of described lower abrasive material group includes following composition by weight：
5～10 parts of microcapsules heat exchange material；5～10 parts of aluminium powder；
0.4～0.6 part of levelling agent；3～6 parts of endurable active toughener；
The composition of described second component includes following composition by weight：
70～80 parts of HDI biuret；5～12 parts of HDI trimer.
The preparation of wherein said microcapsules heat exchange material includes the preparation of cyst wall and the preparation of core, the system of described cyst wall
For first by 30～34g melamine, 48～55ml formalin, 0.10～0.15g methenamine and 18～25g deionization
Water is added in four-hole boiling flask, is warming up to 75～85 DEG C, adjusts pH=8～9 with triethanolamine, and isothermal reaction 25～35 min is obtained
Carbamide " MF " resin prepolymer；The preparation of described core is first by 80～120g styrene-maleic anhydride copolymer
Resin " SMA ", 1.0～1.5g emulsifying agent " OP-10 ", 0.3～0.5g NaOH and 75～85g butyl stearate-positive 14
Alcohol mixture is added in deionized water, and wherein said butyl stearate is 5 with the mass ratio of tetradecanol：3；At 65～75 DEG C
Lower stirring 45～55 min, are subsequently poured in four-hole boiling flask, mixing core material emulsion is obtained, further, emulsion is poured into four-hole bottle
In, adjust pH=3～4 with citric acid, be warming up to 75～85 DEG C, be slowly added dropwise a certain amount of MF performed polymer under agitation,
Reaction 2.5～3.5h obtain microcapsule suspensions, after discharging through washing and be drying to obtain butyl stearate-tetradecanol mix
Close core microcapsules.
Wherein said compound acetylbutyrylcellulose slurry is by the CAB- of the CAB-551-0.5 of 1 weight portion and 1 weight portion
Add the elastomeric polyester resins of 8 weight portions together after 381-2 mixing, under 800～1000 revs/min of rotating speeds of dispersion machine dispersion 20～
Obtain within 30 minutes compound acetylbutyrylcellulose slurry with standby.
Wherein said elastomeric polyester resins are Rokrapol 2130；Fluorocarbon resin is JF-2X；Wetting dispersing agent is BYK-
220S；Mould inhibitor is ATE9277；Silver-zirconium phosphate antimicrobial is LD-PC；Nano-titanium an aromatic plant metioned in ancient books powder is YT-803；Align auxiliary agent
For BASF-EVA3 wax；Wherein said aluminium powder is CE-160；Levelling agent is BYK-306；Endurable active toughener is Lexomer WA98；
Wherein said HDI biuret is Bayer-N75；HDI trimer is N3390.
A kind of preparation method of metal exterior wall paint of the present invention, described preparation method specifically includes following steps：
First, prepare first component：
A, the preparation of upper abrasive material group：
Weigh respectively by weight 30～40 parts elastomeric polyester resins, 3～5 parts of fluorocarbon resin, 15～25 parts answer
Close acetylbutyrylcellulose slurry, 0.4～0.6 part of wetting dispersing agent, 3～5 parts of mould inhibitor, 5～7 parts of basic zirconium phosphate load silver
Antiseptic, 5～8 parts of nano-titanium an aromatic plant metioned in ancient books powder and 4～7 parts align auxiliary agent together put in high speed dispersor dispersion 30～
40 minutes, dispersion placed into after finishing and is ground to fineness≤30um in sand mill；
B, the preparation of abrasive material group：
Connect step, the upper abrasive material group obtaining after grinding goes in dispersion machine, is then separately added into 5～10 parts by weight
Microcapsules heat exchange material, the levelling agent of 5～10 parts of aluminium powder and 0.4～0.6 part, in 600～800 revs/min of dispersion machine
Disperse 30～40 minutes under rotating speed, finally adjust its viscosity with 3～6 parts of endurable active toughener and obtain final product after 60 mesh sieve net filtrations
To first component, by first component packed for standby use；
2nd, prepare second component：
70～80 parts of HDI biuret and 5～12 parts of HDI trimer is taken together to put into dispersion machine by weight respectively
In mixed, dispersion 20～30 minutes and obtain after 60 mesh sieve net filtrations under 600～800 revs/min of rotating speeds of dispersion machine
Second component, by second component packed for standby use；
3rd, prepare metal exterior wall paint：
Connect step, the second component by weight 1 of the first component that obtain the first step and second step acquisition：1 carries out mixing point
Dissipate, obtain metal exterior wall paint after being uniformly dispersed.
The present invention in the specific implementation, wherein mainly comprises herein below：
First, with regard to the preparation of microcapsules heat exchange material：
A, the preparation of carbamide " MF " resin prepolymer " cyst wall "：
31.5g melamine, 50ml formalin, 0.12g methenamine and 20g deionized water are added to four mouthfuls of burnings
In bottle, it is warming up to 80 DEG C, adjusts pH=8～9 with triethanolamine, it is pre- that isothermal reaction 30min is obtained carbamide " MF " resin
Aggressiveness, above-mentioned each raw material all can be by commercial and obtain；
B, the preparation of microcapsules heat exchange material：
By 50g styrene-maleic anhydride copolymer resin " SMA ", 0.6g emulsifying agent " OP-10 ", 0.2g NaOH and
40g butyl stearate-tetradecanol mixture (butyl stearate: tetradecanol=5: 3, mass ratio) it is added to deionization
In water, stir 50 min at 70 DEG C, be subsequently poured in four-hole boiling flask, mixing core material emulsion is obtained.Emulsion is poured into four-hole bottle
In, adjust pH=3～4 with citric acid, be warming up to 80 DEG C, be slowly added dropwise a certain amount of MF performed polymer under agitation, reaction
3h obtains microcapsule suspensions, discharging, washs, is dried, obtains final product butyl stearate-tetradecanol mixing core microcapsules, above-mentioned
Each raw material all can be by commercial and obtain.
2nd, prefabricated with regard to compound acetylbutyrylcellulose slurry：
Compound acetylbutyrylcellulose slurry is to mix the CAB-381-2 of the CAB-551-0.5 of 1 weight portion and 1 weight portion
The elastomeric polyester resins Rokrapol 2130 of 8 weight portions is added together, under 800～1000 revs/min of rotating speeds of dispersion machine after conjunction
Dispersion obtains compound acetylbutyrylcellulose slurry for 20～30 minutes with standby, and wherein CAB-551-0.5 and CAB-381-2 is by her
Scholar Man is provided as most preferably.
3rd, with regard to the preparation of first component：
Take 30～40 parts in described upper abrasive material group of elastomeric polyester resins Rokrapol 2130,3～5 by weight respectively
Part fluorocarbon resin, 15～25 parts of compound acetylbutyrylcellulose slurry, 0.4～0.6 part of wetting dispersing agent, 3～5 parts
Mould inhibitor, 5～7 parts of silver-zirconium phosphate antimicrobial, 5～8 parts of nano-titanium an aromatic plant metioned in ancient books powder and 4～7 parts align auxiliary agent one
Disperse 30～40 minutes with putting in high speed dispersor, dispersion places into after finishing and is ground to fineness≤30um in sand mill, will
Described upper abrasive material group after grinding goes in dispersion machine, is then separately added into by weight 5～10 parts in described lower abrasive material group
The levelling agent of microcapsules heat exchange material, 9～13 parts of aluminium powder and 0.4～0.6 part, in dispersion machine, 600～800 revs/min turn
The lower dispersion of speed 30～40 minutes, finally adjusts its viscosity with 3～6 parts of endurable active toughener and obtains after 60 mesh sieve net filtrations
First component, by first component packed for standby use；
Wherein said fluorocarbon resin is JF-2X, and what when actually used, Shanghai three Ai Fu new material Co., Ltd provided is
Most preferably.
Wherein said wetting dispersing agent is BYK-220S.
Wherein said mould inhibitor is ATE9277, when actually used Herst company provide for optimal.
Wherein said silver-zirconium phosphate antimicrobial is LD-PC, when actually used on marine favour nanosecond science and technology Co., Ltd
There is provided for optimal.
Wherein said nano-titanium an aromatic plant metioned in ancient books powder be YT-803, when actually used Shanghai Yutang Industrial Co., Ltd. provide for
Good.
The wherein said auxiliary agent that aligns is BASF-EVA3 wax.
Wherein said microcapsules heat exchange material is self-control.
Wherein said aluminium powder is CE-160, when actually used Zhaoqing Song Wei company provide for optimal.
Wherein said levelling agent is BYK-306.
Wherein said endurable active toughener is Lexomer WA98, and when actually used, Mo Tian Chemical Co., Ltd. in Shanghai provides
For optimal.
4th, with regard to the preparation of second component：
70～80 parts of HDI biuret and 8～10 parts of HDI trimer is taken to sequentially add dispersion machine by weight respectively
In mixed, dispersion 20～30 minutes and obtain after 60 mesh sieve net filtrations under 600～800 revs/min of rotating speeds of dispersion machine
Second component, by second component packed for standby use；Wherein said HDI trimer is N3390, and when actually used, Bayer company provides
For optimal.
5th, with regard to the use proportioning of first component and second component：
By first component and second component by weight 1 when specifically used：1 carries out mixing dispersion, is uniformly dispersed and can be prepared by tool
There is the long-acting mould-proof type metal exterior wall paint of heat-storage thermoregulation function.
The invention provides a kind of utilization latent heat of phase change absorbs, stores and discharge the new type functional material of heat energy, and adopt
With microcapsules technology, it is packaged, makes stable microcapsules heat exchange solia particle, this particulate can be very narrow
Absorb-release latent heat of phase change in temperature range, there is more significant heat-storage thermoregulation function；The present invention not only can be significantly simultaneously
Reduce outer wall metal lacquer coat surface and the aging damage to metallic pigments coating gathered due to heat energy, reduce indoor air temperature and
The frequency of moisture fluctuation, keeping temperature and humidity in the period of one longer in be in preferable scope, increase human comfort,
Reach energy-conservation purpose moreover it is possible to the generation that effectively prevents metope from going mouldy, make metal exterior wall paint be really achieved attractive in appearance, graceful, comfortable, section
The purpose of energy.
The elastomeric polyester resins Rokrapol 2130 that the present invention chooses has good elasticity, elongation at break, stretching
Intensity, recovery rate and excellent high-low temperature resistant deformation nature, have good adhesive force with metope.
The fluorocarbon resin that the present invention chooses is the JF-2X fluorocarbon resin being provided by Shanghai three Ai Fu new material Co., Ltd,
Hydroxyl value >=25mgKOH/g, Oil repellent >=23%.There is the characteristics such as excellent stain resistance, weatherability and resistance to chalking, and above-mentioned
Elastomeric polyester resins Rokrapol 2130 compounding use, can not only make metal exterior wall paint keep excellent elasticity and response rate,
Also give excellent anti-scratch of metal exterior wall paint and injure mar proof, be allowed to durable in use, sustain its quality through age.
The endurable active toughener that the present invention chooses is a kind of solvent-free low viscosity organic compound containing multicomponent reactive hydroxyl, very
Little addition can be greatly reduced system viscosity, improve gloss and the levelability of metal exterior wall lacquer coat, in the curing process can
Participate in the polymer network that reaction forms macromolecule, improve the toughness of metal exterior wall lacquer coat and increased its intensity.
The nano-titanium an aromatic plant metioned in ancient books powder that the present invention chooses is the complex that nanoscale phthalate ester and nanoscale tire out support powder, has extremely strong
Infrared external reflection effect, the infrared light that the radiation energy being absorbed can be converted into 8～13.5 mu m wavebands is radiated air, infrared light
Radiance >=88%, thus the metal exterior wall lacquer coat prepared with it has good heat-proof quality, along with mould inhibitor and phosphoric acid
The cooperative effect of zirconium carrying silver antimicrobials, can effectively suppress because metal exterior wall lacquer coat to the absorption of daylight, storage, conduction and cause
Coating aging, the phenomenon such as colour fading variable color.
The present invention is prefabricated into slurry and uses after compounding two kinds of acetylbutyrylcelluloses, be more beneficial for improving metal exterior wall paint
The regular arrangement of the gloss of coating, levelability, scratch resistance and aluminium powder.
The auxiliary agent that aligns that the present invention chooses is a kind of EVA wax, can be effectively improved metallic pigments in metal exterior wall paint
Align, and be prevented from its sedimentation.
The wetting dispersing agent that the present invention chooses is a kind of solution flocculation-type dispersant, and aluminium powder solution can be made to flocculate, in metal exterior wall
There is in paint stable dispersion.
The mould inhibitor ATE9277 that the present invention chooses is a kind of isothiazolinone compound, and compatibility is good, has good
Security and the anti-mold effect of broad-spectrum high efficacy, can effectively contain black-koji mould, Penicillium notatum, trichophyton gypseum, red mentagrophytes
Etc. harmful bacteria growing.
The silver-zirconium phosphate antimicrobial LD-PC that the present invention chooses be a kind of with basic zirconium phosphate as carrier, silver as antibacterial ion, warp
The inorganic high efficient antiseptic that special process is composited, belongs to broad spectrum type long acting antibiotic product.During use, silver ion passes through
Slow releasing function progressively discharges from carrier, and is combined so as to lose metabolic activity with the zymoprotein in bacterium body, thus playing length
Phase sterilized, antibacterial effect.
The aluminium powder that the present invention chooses is fine and smooth, smooth, and fine and close by its made metal exterior wall lacquer coat, glossiness is high.
The levelling agent BYK-306 that the present invention chooses is efficient organosilicon auxiliary agent, by increasing capacitance it is possible to increase coating is to dust and coating cloud
Acceptance, and thicker paint film can be formed on the vertical plane, help aluminium powder ordered arrangement, reduce phenomenon of growing dim.
The HDI biuret isocyanate curing agent that the present invention chooses is the Bayer-N75 of Beyer Co., Ltd, and this curing agent has
The advantages of viscosity is low, yellowing resistance projects, after mixing with first component, can be greatly reduced system viscosity, give coating system good
Levelability.Isocyano（-NCO）With secondary amine（-NH）In the fast reaction of -10 DEG C～0 DEG C energy, thus giving metal exterior wall paint
After excellent low temperature curing properties, with elastomeric polyester resins Rokrapol 2130 crosslinking curing, metal exterior wall paint coating failure
Percentage elongation reaches as high as 150%.
The HDI trimer that the present invention chooses has excellent chemical-resistant, outstanding guarantor's color gloss retention and splendid machine
Tool performance, coating crosslink density is high, good weatherability, uses as composite curing agent with HDI biuret, has both maintained elastic polyester
The high resiliency of resin Rokrapol 2130, resistance to water and high-decoration, give metal exterior wall lacquer coat excellent anti-powdering again
Property and Bao Se gloss retention.
The specific embodiment of the present invention is as follows：
Embodiment 1：
Precast microcapsules heat exchange material and compound acetylbutyrylcellulose slurry by the methods described of the present invention first；
Then take 30 parts in described upper abrasive material group of 2130,5 parts of elastomeric polyester resins Rokrapol by weight respectively
JF-2X, 22 parts of compound acetylbutyrylcellulose slurry, 0.6 part of BYK-220S, 3 parts of ATE9277,5 parts of LD-
PC, YT-803 and 7 part of 5 parts of BASF-EVA3 wax are together put in high speed dispersor and are disperseed 30～40 minutes, and dispersion finishes
After place into and in sand mill, be ground to fineness≤30um, the described upper abrasive material group after grinding is gone in dispersion machine, then presses weight
Amount part is separately added into 5 parts of microcapsules heat exchange material in described lower abrasive material group, CE-160 and 0.6 part of 13 parts of BYK-
306, disperse 30～40 minutes under 600～800 revs/min of rotating speeds of dispersion machine, finally adjust it with 6 parts of Lexomer WA98
Viscosity simultaneously obtains first component, by first component packed for standby use after 60 mesh sieve net filtrations；
Further, 70 parts of HDI biuret and 8 parts of N3390 is taken together to put in dispersion machine by weight respectively
Row mixing, disperses 20～30 minutes under 600～800 revs/min of rotating speeds of dispersion machine and obtains second group after 60 mesh sieve net filtrations
Point, by second component packed for standby use；
Finally by first component and second component by weight 1：1 carries out mixing dispersion, and being uniformly dispersed, it is a kind of optimal to can be prepared by
There is the long-acting mould-proof type metal exterior wall paint of heat-storage thermoregulation function.
Embodiment 2：
Precast microcapsules heat exchange material and compound acetylbutyrylcellulose slurry by the methods described of the present invention first；
Then take 35 parts in described upper abrasive material group of 2130,3 parts of elastomeric polyester resins Rokrapol by weight respectively
JF-2X, 25 parts of compound acetylbutyrylcellulose slurry, 0.4 part of BYK-220S, 4 parts of ATE9277,6 parts of LD-
PC, YT-803 and 5 part of 7 parts of BASF-EVA3 wax are together put in high speed dispersor and are disperseed 30～40 minutes, and dispersion finishes
After place into and in sand mill, be ground to fineness≤30um, the described upper abrasive material group after grinding is gone in dispersion machine, then presses weight
Amount part is separately added into 8 parts of microcapsules heat exchange material in described lower abrasive material group, CE-160 and 0.6 part of 10 parts of BYK-
306, disperse 30～40 minutes under 600～800 revs/min of rotating speeds of dispersion machine, finally adjust it with 3 parts of Lexomer WA98
Viscosity simultaneously obtains first component, by first component packed for standby use after 60 mesh sieve net filtrations；
Further, 75 parts of HDI biuret and 9 parts of N3390 is taken together to put in dispersion machine by weight respectively
Row mixing, disperses 20～30 minutes under 600～800 revs/min of rotating speeds of dispersion machine and obtains second group after 60 mesh sieve net filtrations
Point, by second component packed for standby use；
Finally by first component and second component by weight 1：1 carries out mixing dispersion, and being uniformly dispersed, it is a kind of optimal to can be prepared by
There is the long-acting mould-proof type metal exterior wall paint of heat-storage thermoregulation function.
Embodiment 3：
Precast microcapsules heat exchange material and compound acetylbutyrylcellulose slurry by the methods described of the present invention first；
Then take 40 parts in described upper abrasive material group of 2130,3 parts of elastomeric polyester resins Rokrapol by weight respectively
JF-2X, 15 parts of compound acetylbutyrylcellulose slurry, 0.5 part of BYK-220S, 5 parts of ATE9277,7 parts of LD-
PC, YT-803 and 4 part of 8 parts of BASF-EVA3 wax are together put in high speed dispersor and are disperseed 30～40 minutes, and dispersion finishes
After place into and in sand mill, be ground to fineness≤30um, the described upper abrasive material group after grinding is gone in dispersion machine, then presses weight
Amount part is separately added into 10 parts of microcapsules heat exchange material in described lower abrasive material group, CE-160 and 0.4 part of 9 parts of BYK-
306, disperse 30～40 minutes under 600～800 revs/min of rotating speeds of dispersion machine, finally adjust it with 4 parts of Lexomer WA98
Viscosity simultaneously obtains first component, by first component packed for standby use after 60 mesh sieve net filtrations；
Further, 80 parts of HDI biuret and 10 parts of N3390 is taken together to put in dispersion machine by weight respectively
Row mixing, disperses 20～30 minutes under 600～800 revs/min of rotating speeds of dispersion machine and obtains second group after 60 mesh sieve net filtrations
Point, by second component packed for standby use；
Finally by first component and second component by weight 1：1 carries out mixing dispersion, and being uniformly dispersed, it is a kind of optimal to can be prepared by
There is the long-acting mould-proof type metal exterior wall paint of heat-storage thermoregulation function.
Part not in the detailed description of the invention is prior art.
The embodiment herein selected for the open purpose of the present invention, is presently considered to be suitable, but, Ying Liao
Solution, it is contemplated that include all to belong to all changes of embodiment and improvement in this design and invention scope.
Claims (8)
1. a kind of metal exterior wall paint, is characterized in that：Described metal exterior wall paint includes first component and second component, first component and second component
Proportioning by weight be 1：1, wherein first component includes abrasive material group and lower abrasive material group, and the composition of described upper abrasive material group is by weight
Part includes following composition：
30～40 parts of elastomeric polyester resins；
3～5 parts of fluorocarbon resin；
15～25 parts of compound acetylbutyrylcellulose slurry；
0.4～0.6 part of wetting dispersing agent；
3～5 parts of mould inhibitor；
5～7 parts of silver-zirconium phosphate antimicrobial；
5～8 parts of nano-titanium an aromatic plant metioned in ancient books powder；
Align 4～7 parts of auxiliary agent；
The composition of described lower abrasive material group includes following composition by weight：
5～10 parts of microcapsules heat exchange material；
5～10 parts of aluminium powder；
0.4～0.6 part of levelling agent；
3～6 parts of endurable active toughener；
The composition of described second component includes following composition by weight：
70～80 parts of HDI biuret；
5～12 parts of HDI trimer；
The preparation of described microcapsules heat exchange material includes the preparation of cyst wall and the preparation of core, and the preparation of described cyst wall first will
30～34g melamine, 48～55ml formalin, 0.10～0.15g methenamine and 18～25g deionized water are added to
In four-hole boiling flask, it is warming up to 75～85 DEG C, adjusts pH=8～9 with triethanolamine, isothermal reaction 25～35 min is obtained melamine
Amine-for-aldehyde " MF " resin prepolymer；
The preparation of described core is first by 80～120g styrene-maleic anhydride copolymer resin " SMA ", 1.0～1.5g emulsifying agent
" OP-10 ", 0.3～0.5g NaOH and 75～85g butyl stearate-tetradecanol mixture are added in deionized water,
Stir 45～55 min at 65～75 DEG C, be subsequently poured in four-hole boiling flask, mixing core material emulsion is obtained, further, by emulsion
Pour in four-hole bottle, adjust pH=3～4 with citric acid, be warming up to 75～85 DEG C, be slowly added dropwise a certain amount of under agitation
MF performed polymer, reaction 2.5～3.5h obtain microcapsule suspensions, after discharging through washing and be drying to obtain butyl stearate-
Tetradecanol mixing core microcapsules.
2. metal exterior wall paint according to claim 1, is characterized in that：Described butyl stearate and the mass ratio of tetradecanol
For 5：3.
3. metal exterior wall paint according to claim 1, is characterized in that：Described compound acetylbutyrylcellulose slurry is by 1
The CAB-551-0.5 of weight portion adds the elastomeric polyester resins of 8 weight portions together with after the CAB-381-2 mixing of 1 weight portion,
Under 800～1000 revs/min of rotating speeds of dispersion machine, dispersion obtains compound acetylbutyrylcellulose slurry for 20～30 minutes with standby.
4. metal exterior wall paint according to claim 1, is characterized in that：Described elastomeric polyester resins are Rokrapol 2130；
Fluorocarbon resin is JF-2X；Wetting dispersing agent is BYK-220S；Mould inhibitor is ATE9277；Nano-titanium an aromatic plant metioned in ancient books powder is YT-803；Orientation
Arrangement auxiliary agent is BASF-EVA3 wax.
5. metal exterior wall paint according to claim 1, is characterized in that：Described aluminium powder is CE-160；Levelling agent is BYK-
306；Endurable active toughener is Lexomer WA98.
6. metal exterior wall paint according to claim 1, is characterized in that：Described HDI biuret is Bayer-N75；HDI tri-
Aggressiveness is N3390.
7. the preparation method of the metal exterior wall paint according to any one of claim 1-6, methods described specifically includes following step
Suddenly：
First, prepare first component：
A, the preparation of upper abrasive material group：
Weigh respectively by weight 30～40 parts elastomeric polyester resins, 3～5 parts of fluorocarbon resin, 15～25 parts of Composite vinegar
Sour cellulose butyrate slurry, 0.4～0.6 part of wetting dispersing agent, 3～5 parts of mould inhibitor, 5～7 parts of basic zirconium phosphate Ag-carried antibacterial
30～40 points of dispersion in high speed dispersor together put into by the auxiliary agent that aligns of agent, 5～8 parts of nano-titanium an aromatic plant metioned in ancient books powder and 4～7 parts
Clock, dispersion places into after finishing and is ground to fineness≤30 micron in sand mill；
B, the preparation of abrasive material group：
Connect step, after grinding, the upper abrasive material group that obtains goes in dispersion machine, be then separately added into 5～10 parts micro- by weight
The levelling agent of capsule heat exchange material, 5～10 parts of aluminium powder and 0.4～0.6 part, in 600～800 revs/min of rotating speeds of dispersion machine
Lower dispersion 30～40 minutes, finally adjusts its viscosity with 3～6 parts of endurable active toughener and obtains first group after screen filtration
Point, by first component packed for standby use；
2nd, prepare second component：
70～80 parts of HDI biuret and 5～12 parts of HDI trimer is taken together to put in dispersion machine by weight respectively
Row mixing, disperses 20～30 minutes under 600～800 revs/min of rotating speeds of dispersion machine and obtains second component after screen filtration, will
Second component packed for standby use；
3rd, prepare metal exterior wall paint：
Connect step, the second component by weight 1 of the first component that obtain the first step and second step acquisition：1 carries out mixing dispersion, treats
Metal exterior wall paint is obtained after being uniformly dispersed.
8. the preparation method of metal exterior wall paint according to claim 7, is characterized in that：Described screen cloth is 60 eye mesh screens.
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| CN108192561A (en) * | 2017-12-30 | 2018-06-22 | 广州市白云化工实业有限公司 | Ketoxime removing type silicone sealant and preparation method thereof |
Citations (3)
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|---|---|---|---|---|
| CN1927952A (en) * | 2006-09-28 | 2007-03-14 | 成都新柯力化工科技有限公司 | Energy-saving building coating and preparation method |
| CN103073980A (en) * | 2012-12-19 | 2013-05-01 | 洛阳七维防腐工程材料有限公司 | Preparation method of solvent-free elastic metallic paint producing high thermal radiation |
| CN103468096A (en) * | 2013-08-08 | 2013-12-25 | 洛阳七维防腐工程材料有限公司 | Environmental protection type long-acting anti-mildew coating material preparation method |
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|---|---|---|---|---|
| CN1927952A (en) * | 2006-09-28 | 2007-03-14 | 成都新柯力化工科技有限公司 | Energy-saving building coating and preparation method |
| CN103073980A (en) * | 2012-12-19 | 2013-05-01 | 洛阳七维防腐工程材料有限公司 | Preparation method of solvent-free elastic metallic paint producing high thermal radiation |
| CN103468096A (en) * | 2013-08-08 | 2013-12-25 | 洛阳七维防腐工程材料有限公司 | Environmental protection type long-acting anti-mildew coating material preparation method |
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