CN104130689A - Metal exterior wall paint and preparation method thereof - Google Patents
Metal exterior wall paint and preparation method thereof Download PDFInfo
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- CN104130689A CN104130689A CN201410341625.4A CN201410341625A CN104130689A CN 104130689 A CN104130689 A CN 104130689A CN 201410341625 A CN201410341625 A CN 201410341625A CN 104130689 A CN104130689 A CN 104130689A
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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, relate in particular to a kind of long-acting mould-proof shaped metal exterior wall paint and preparation method thereof, be specifically related to a kind of long-acting mould-proof shaped metal exterior wall paint with heat-storage thermoregulation function and preparation method thereof.
[background technology]
Known, layer of metal exterior wall paint is all brushed on the surface of buildings conventionally, and buildings in use, need constantly to consume a large amount of energy, wherein the overwhelming majority is all for heating and cooling, in hot summer, because the thermal conductivity of metallic pigment is high, good thermal conduction, metal exterior wall paint can also cause the rising of room temp, further increases the energy consumption that the cooling systems such as air-conditioning bring; In addition, because traditional solvent-borne type metal exterior wall paint and aqueous metallic effect exterior wall coatings do not have elasticity, to crackle, can not effectively cover, the phenomenon that coating cracking, hollowing even come off is comparatively general.
Further, the generation of going mouldy not only makes the ornamental decline of coatingsurface weathering, but also can cause paint film cracking or peel off, south in China, overcast and rainy wet weather is more, especially in the moist place of the darkness of improper ventilation, its temperature and humidity is the Growth and Reproduction of very suitable mould and bacterium all, can fade gradually by the later coating of mold corrosion, stain and come off even, this is because mould erosion can secrete enzyme after filming, these secretory product can further decompose organic binder matter in coating, become the nutritive substance of mould-growth, thereby destroy whole coating etc.
Contriver finds through retrieval, Chinese patent, publication number is CN101875798A, the patent documentation that open day is on November 03rd, 2010 discloses a kind of one-part solvent shaped metal paint, this coating be take highly-chlorinated polyethylene, thermoplastic acrylic resin, chlorinated rubber resin and a small amount of cold spelling of epoxy resin and is prepared from as base-material, there is good weatherability, non-corrosibility is good and the feature such as long service life, but because solvent based coating environmental pollution is too large, and there is no elasticity, easily ftracture and come off, being eliminated gradually;
Chinese patent, publication number is CN103589256A, the patent that open day is on 02 19th, 2014 discloses super weather-proof modified silicon the third metallic paint coating of a kind of water-based, this coating be take super weather resistant water-thinned organosilicon-modified acrylic emulsion and is prepared from as film forming matter, its advantage is easy construction, have certain toughness, shock resistance and contamination resistance are good.But because aluminium powder stability in storage in water is bad, very easily there is chemical reaction and cause thickening, the tank phenomenon that rises, brought very big problem to production, transportation and the construction of aqueous metallic paint;
Chinese patent, publication number is CN103102723A, the patent that open day is on 05 15th, 2013 discloses a kind of solvent-type acrylic mould-repellant coating, this coating be take acrylic resin and is made as base-material, acrylic resin has the disadvantage that low temperature embrittlement, high temperature become sticky, easily cracking is and easily stained in summer in the winter time for coating, and mildew-resistant and decorative effect are had a greatly reduced quality.In addition, it is softening agent or thinner that this coating be take dibutyl phthalate and toluene, and this class material is to environment and all toxic effects of human body, and therefore, this coating can not meet the feature of environmental protection that coating requirement increases day by day, Harmless demand etc.
[summary of the invention]
In order to overcome the deficiency existing in background technology, the invention provides a kind of metal exterior wall paint and preparation method thereof, the metal exterior wall paint obtaining by the present invention can significantly reduce metal exterior wall paint coatingsurface because heat energy gathers the aging damage to metallic pigment coating, reduce the frequency of indoor air temperature and moisture fluctuation, keep temperature and humidity within a longer period in desirable scope, greatly increased human comfort, the present invention simultaneously can also effectively prevent the generation that metope goes mouldy, cover fine cracks that exterior wall produces due to various deformation etc., the present invention not only has phase-change accumulation energy, temperature adjustment temperature control, save the effect of the energy, also there is antimildew and antibacterial simultaneously, the effect purifying air, make metal exterior wall paint really reach attractive in appearance, graceful, comfortable and energy-conservation object.
For realizing goal of the invention as above, the present invention adopts technical scheme as described below:
A metal exterior wall paint, described metal exterior wall paint comprises first component and second component, and wherein first component comprises abrasive material group and lower abrasive material group, and the composition of described upper abrasive material group comprises following composition by weight:
30～40 parts of elastic polyester resins;
3～5 parts of fluorocarbon resins;
15～25 parts of compound cellulose acetate butyrate slurries;
0.4～0.6 part of wetting dispersing agent;
3～5 parts of mould inhibitors;
5～7 parts of zirconium phosphate carrying silver antimicrobials;
5～8 parts, nano-titanium an aromatic plant metioned in ancient books powder;
Align 4～7 parts of auxiliary agents;
The composition of described lower abrasive material group comprises following composition by weight:
5～10 parts of microcapsule heat exchange materials;
5～10 parts of aluminium powders;
0.4～0.6 part of flow agent;
3～6 parts of endurable active tougheners;
The composition of described second component comprises following composition by weight:
70～80 parts of HDI biurets;
5～12 parts of HDI tripolymers.
Described metal exterior wall paint, the preparation of described microcapsule heat exchange material comprises the preparation of cyst wall and the preparation of core, first the preparation of described cyst wall joins 30～34g trimeric cyanamide, 48～55ml formalin, 0.10～0.15g urotropine and 18～25g deionized water in four-hole boiling flask, be warming up to 75～85 ℃, with trolamine, adjust pH=8～9, isothermal reaction 25～35 min make 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 sodium hydroxide and 75～85g butyl stearate-tetradecanol mixture join in deionized water, at 65～75 ℃, stir 45～55 min, then pour in four-hole boiling flask, make and mix core emulsion, further, emulsion is poured in four-hole bottle, with citric acid, regulate pH=3～4, be warming up to 75～85 ℃, under agitation condition, slowly drip a certain amount of MF performed polymer, reaction 2.5～3.5h obtains microcapsule suspensions, after discharging through washing be drying to obtain butyl stearate-tetradecanol mixing core microcapsule.
Described metal exterior wall paint, the mass ratio of described butyl stearate and tetradecanol is 5:3.
Described metal exterior wall paint, described compound cellulose acetate butyrate slurry is the elastic polyester resin that adds 8 weight parts together with after the CAB-381-2 of the CAB-551-0.5 of 1 weight part and 1 weight part is mixed, and disperses to obtain for 20～30 minutes compound cellulose acetate butyrate slurry with standby under 800～1000 revs/min of rotating speeds of dispersion machine.
Described metal exterior wall paint, described elastic polyester resin is Rokrapol 2130; Fluorocarbon resin is JF-2X; Wetting dispersing agent is BYK-220S; Mould inhibitor is ATE9277; Zirconium phosphate carrying silver antimicrobials 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; Flow agent is BYK-306; Endurable active toughener is Lexomer WA98.
Described metal exterior wall paint, described HDI biuret is Bayer-N75; HDI tripolymer is N3390.
A preparation method for metal exterior wall paint, described preparation method specifically comprises the steps:
One, preparation first component:
The preparation of A, upper abrasive material group:
The auxiliary agent that aligns that takes respectively by weight the elastic polyester resin of 30～40 parts, the fluorocarbon resin of 3～5 parts, the compound cellulose acetate butyrate slurry of 15～25 parts, the wetting dispersing agent of 0.4～0.6 part, the mould inhibitor of 3～5 parts, the zirconium phosphate carrying silver antimicrobials of 5～7 parts, the nano-titanium an aromatic plant metioned in ancient books powder of 5～8 parts and 4～7 parts is together put into high speed dispersor and is disperseed 30～40 minutes, puts into sand mill again and be ground to fineness≤30um after dispersion;
The preparation of B, abrasive material group:
Connect step, the upper abrasive material group of obtaining after grinding is gone in dispersion machine, then add respectively by weight the microcapsule heat exchange material of 5～10 parts, the aluminium powder of 5～10 parts and the flow agent of 0.4～0.6 part, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 30～40 minutes, finally with the endurable active toughener of 3～6 parts, adjust its viscosity and after screen filtration, obtain first component, by first component packed for standby use;
Two, preparation second component:
The HDI tripolymer of getting respectively by weight the HDI biuret of 70～80 parts and 5～12 parts is together put into dispersion machine and is mixed, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 20～30 minutes and after screen filtration, obtain second component, by second component packed for standby use;
Three, prepare metal exterior wall paint:
Connect step, the second component that the first component that the first step is obtained and second step obtain by weight 1:1 is carried out blending dispersion, obtains 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.
Adopt 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 obtaining by the present invention has following superiority:
1, there is comparatively significant heat-storage thermoregulation function, can reduce the frequency of indoor air temperature fluctuation, maintain the temperature in the longer period and approach with required temperature, increase human comfort, reach energy-conservation object simultaneously;
2, there is antimycotic antiseptic and timeliness is long, the sterilization or the inhibition ability that the microorganisms such as mould, bacterium and yeast are had to wide spectrum, efficient and long period, the present invention be take zirconium phosphate carrying silver antimicrobials as inorganic antimildew disinfectant, the isothiazolinone mould inhibitor ATE9277 of take carries out composite as organic antimildew disinfectant, drug effect and prevention and treatment range have been improved, reach the effect of organic-inorganic synergistic sterilizing, through calculating: antibiotic rate >=95% to intestinal bacteria and staphylococcus aureus, mixed strains 4 months is zero level; The multiple moulds such as aspergillus niger, flavus, aspergillus versicolor are all had to good Long-term Anti patience;
3, have good thermal radiation function, infrared radiation rate >=88%, has certain heat-proof quality;
4, solid content >=95%, is solvent-free product, environment-protecting asepsis etc.
[embodiment]
By the following examples, can explain in more detail the present invention, the present invention is not limited to the following examples;
A kind of metal exterior wall paint of the present invention, described metal exterior wall paint comprises first component and second component, and wherein first component comprises abrasive material group and lower abrasive material group, and the composition of described upper abrasive material group comprises following composition by weight:
30～40 parts of elastic polyester resins; 3～5 parts of fluorocarbon resins;
15～25 parts of compound cellulose acetate butyrate slurries; 0.4～0.6 part of wetting dispersing agent;
3～5 parts of mould inhibitors; 5～7 parts of zirconium phosphate carrying silver antimicrobials;
5～8 parts, nano-titanium an aromatic plant metioned in ancient books powder; Align 4～7 parts of auxiliary agents;
The composition of described lower abrasive material group comprises following composition by weight:
5～10 parts of microcapsule heat exchange materials; 5～10 parts of aluminium powders;
0.4～0.6 part of flow agent; 3～6 parts of endurable active tougheners;
The composition of described second component comprises following composition by weight:
70～80 parts of HDI biurets; 5～12 parts of HDI tripolymers.
The preparation of wherein said microcapsule heat exchange material comprises the preparation of cyst wall and the preparation of core, first the preparation of described cyst wall joins 30～34g trimeric cyanamide, 48～55ml formalin, 0.10～0.15g urotropine and 18～25g deionized water in four-hole boiling flask, be warming up to 75～85 ℃, with trolamine, adjust pH=8～9, isothermal reaction 25～35 min make carbamide " MF " resin prepolymer; First the preparation of described core joins 80～120g styrene-maleic anhydride copolymer resin " SMA ", 1.0～1.5g emulsifying agent " OP-10 ", 0.3～0.5g sodium hydroxide and 75～85g butyl stearate-tetradecanol mixture in deionized water, and the mass ratio of wherein said butyl stearate and tetradecanol is 5:3; At 65～75 ℃, stir 45～55 min, then pour in four-hole boiling flask, make and mix core emulsion, further, emulsion is poured in four-hole bottle, with citric acid, regulated pH=3～4, be warming up to 75～85 ℃, under agitation condition, slowly drip a certain amount of MF performed polymer, reaction 2.5～3.5h obtains microcapsule suspensions, after discharging through washing be drying to obtain butyl stearate-tetradecanol mixing core microcapsule.
Wherein said compound cellulose acetate butyrate slurry is the elastic polyester resin that adds 8 weight parts together with after the CAB-381-2 of the CAB-551-0.5 of 1 weight part and 1 weight part is mixed, and disperses to obtain for 20～30 minutes compound cellulose acetate butyrate slurry with standby under 800～1000 revs/min of rotating speeds of dispersion machine.
Wherein said elastic polyester resin is Rokrapol 2130; Fluorocarbon resin is JF-2X; Wetting dispersing agent is BYK-220S; Mould inhibitor is ATE9277; Zirconium phosphate carrying silver antimicrobials is LD-PC; Nano-titanium an aromatic plant metioned in ancient books powder is YT-803; Aligning auxiliary agent is BASF-EVA3 wax; Wherein said aluminium powder is CE-160; Flow agent is BYK-306; Endurable active toughener is Lexomer WA98; Wherein said HDI biuret is Bayer-N75; HDI tripolymer is N3390.
The preparation method of a kind of metal exterior wall paint of the present invention, described preparation method specifically comprises the steps:
One, preparation first component:
The preparation of A, upper abrasive material group:
The auxiliary agent that aligns that takes respectively by weight the elastic polyester resin of 30～40 parts, the fluorocarbon resin of 3～5 parts, the compound cellulose acetate butyrate slurry of 15～25 parts, the wetting dispersing agent of 0.4～0.6 part, the mould inhibitor of 3～5 parts, the zirconium phosphate carrying silver antimicrobials of 5～7 parts, the nano-titanium an aromatic plant metioned in ancient books powder of 5～8 parts and 4～7 parts is together put into high speed dispersor and is disperseed 30～40 minutes, puts into sand mill again and be ground to fineness≤30um after dispersion;
The preparation of B, abrasive material group:
Connect step, the upper abrasive material group of obtaining after grinding is gone in dispersion machine, then add respectively by weight the microcapsule heat exchange material of 5～10 parts, the aluminium powder of 5～10 parts and the flow agent of 0.4～0.6 part, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 30～40 minutes, finally with the endurable active toughener of 3～6 parts, adjust its viscosity and obtain first component after 60 eye mesh screens filter, by first component packed for standby use;
Two, preparation second component:
The HDI tripolymer of getting respectively by weight the HDI biuret of 70～80 parts and 5～12 parts is together put into dispersion machine and is mixed, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 20～30 minutes and obtain second component after 60 eye mesh screens filter, by second component packed for standby use;
Three, prepare metal exterior wall paint:
Connect step, the second component that the first component that the first step is obtained and second step obtain by weight 1:1 is carried out blending dispersion, obtains metal exterior wall paint after being uniformly dispersed.
The present invention in the specific implementation, wherein mainly comprises following content:
One, about the preparation of microcapsule heat exchange material:
The preparation of A, carbamide " MF " resin prepolymer " cyst wall ":
31.5g trimeric cyanamide, 50ml formalin, 0.12g urotropine and 20g deionized water are joined in four-hole boiling flask, be warming up to 80 ℃, with trolamine, adjust pH=8～9, isothermal reaction 30min makes carbamide " MF " resin prepolymer, and above-mentioned each starting material all can be by commercial and obtain;
The preparation of B, microcapsule heat exchange material:
By 50g styrene-maleic anhydride copolymer resin " SMA ", 0.6g emulsifying agent " OP-10 ", 0.2g sodium hydroxide and 40g butyl stearate-tetradecanol mixture (butyl stearate: tetradecanol=5: 3, mass ratio) join in deionized water, at 70 ℃, stir 50 min, then pour in four-hole boiling flask, make and mix core emulsion.Emulsion is poured in four-hole bottle, with citric acid, regulate pH=3～4, be warming up to 80 ℃, under agitation condition, slowly drip a certain amount of MF performed polymer, reaction 3h obtains microcapsule suspensions, discharging, washing, dry, obtain butyl stearate-tetradecanol mixing core microcapsule, above-mentioned each starting material all can be by commercial and obtain.
Two, prefabricated about compound cellulose acetate butyrate slurry:
Compound cellulose acetate butyrate slurry is the elastic polyester resin Rokrapol 2130 that adds 8 weight parts together with after the CAB-381-2 of the CAB-551-0.5 of 1 weight part and 1 weight part is mixed, under 800～1000 revs/min of rotating speeds of dispersion machine, disperse to obtain for 20～30 minutes compound cellulose acetate butyrate slurry with standby, wherein CAB-551-0.5 and CAB-381-2 You Yi scholar Man are provided as the best.
Three, about the preparation of first component:
Get respectively by weight in described upper abrasive material group the elastic polyester resin Rokrapol 2130 of 30～40 parts, the fluorocarbon resin of 3～5 parts, the compound cellulose acetate butyrate slurry of 15～25 parts, the wetting dispersing agent of 0.4～0.6 part, the mould inhibitor of 3～5 parts, the zirconium phosphate carrying silver antimicrobials of 5～7 parts, the auxiliary agent that aligns of the nano-titanium an aromatic plant metioned in ancient books powder of 5～8 parts and 4～7 parts is together put into high speed dispersor and is disperseed 30～40 minutes, after dispersion, put into again sand mill and be ground to fineness≤30um, described upper abrasive material group after grinding is gone in dispersion machine, then the microcapsule heat exchange material that adds respectively by weight in described lower abrasive material group 5～10 parts, the flow agent of the aluminium powder of 9～13 parts and 0.4～0.6 part, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 30～40 minutes, finally with the endurable active toughener of 3～6 parts, adjust its viscosity and obtain first component after 60 eye mesh screens filter, by first component packed for standby use,
Wherein said fluorocarbon resin is JF-2X, and what when reality is used, San Aifu novel material company limited in Shanghai provided is the best.
Wherein said wetting dispersing agent is BYK-220S.
Wherein said mould inhibitor is ATE9277, and what when reality is used, Herst company provided is the best.
Wherein said zirconium phosphate carrying silver antimicrobials is LD-PC, and marine favour nanosecond science and technology company limited provides on when reality is used for best.
Wherein said nano-titanium an aromatic plant metioned in ancient books powder is YT-803, and what when reality is used, Shanghai Yu Tang Industrial Co., Ltd. provided is the best.
The wherein said auxiliary agent that aligns is BASF-EVA3 wax.
Wherein said microcapsule heat exchange material is self-control.
Wherein said aluminium powder is CE-160, and what when reality is used, Zhaoqing Song Wei company provided is the best.
Wherein said flow agent is BYK-306.
Wherein said endurable active toughener is Lexomer WA98, and what when reality is used, Shanghai Mo Tian Chemical Co., Ltd. provided is the best.
Four, about the preparation of second component:
Getting respectively by weight the HDI biuret of 70～80 parts and the HDI tripolymer of 8～10 parts adds in dispersion machine and mixes successively, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 20～30 minutes and obtain second component after 60 eye mesh screens filter, by second component packed for standby use; Wherein said HDI tripolymer is N3390, and what when reality is used, Bayer company provided is the best.
Five, about the use proportioning of first component and second component:
During concrete use by first component and second component by weight 1:1 carry out blending dispersion, be uniformly dispersed and can make the long-acting mould-proof shaped metal exterior wall paint with heat-storage thermoregulation function.
The invention provides a kind of new type functional material that utilizes latent heat of phase change to absorb, store and discharge heat energy, and adopt microcapsulary to encapsulate it, make stable microcapsule heat exchange solia particle, this particulate can absorb in very narrow temperature range-discharge latent heat of phase change, there is comparatively significant heat-storage thermoregulation function; The present invention simultaneously not only can significantly reduce outer wall metal lacquering surface because heat energy gathers the aging damage to metallic pigment coating, reduce the frequency of indoor air temperature and moisture fluctuation, keep temperature and humidity within a longer period in desirable scope, increase human comfort, reach energy-conservation object, can also effectively prevent the generation that metope goes mouldy, make metal exterior wall paint really reach attractive in appearance, graceful, comfortable, energy-conservation object.
The elastic polyester resin Rokrapol 2130 that the present invention chooses has good elasticity, elongation at break, tensile strength, recovery rate and excellent high-low temperature resistant deformation nature, has good sticking power with metope.
The fluorocarbon resin that the present invention chooses is the JF-2X fluorocarbon resin being provided by Shanghai San Aifu novel material company limited, hydroxyl value >=25mgKOH/g, fluorine content >=23%.There is the characteristics such as excellent contamination resistance, weathering resistance and resistance to chalking, with above-mentioned elastic polyester resin Rokrapol 2130 composite uses, can not only make metal exterior wall paint keep good elasticity and response rate, also give the anti-scratch wearability that injures of metal exterior wall paint excellence, make it 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 significantly reduce system viscosity, improve gloss and the levelling property of metal exterior wall paint coating, in solidification process, can participate in the polymer network that reaction forms macromolecule, improve the toughness of metal exterior wall paint coating and increased its intensity.
The nano-titanium an aromatic plant metioned in ancient books powder that the present invention chooses is the complex body of nano level phthalate and the tired holder of nano level powder, there is extremely strong infrared external reflection effect, the infrared radiation that absorbed radiating capacity can be converted into 8～13.5 mu m wavebands is to atmosphere, infrared radiation rate >=88%, thereby the metal exterior wall paint coating of preparing with it has good heat-proof quality, add the synergistic effect of mould inhibitor and zirconium phosphate carrying silver antimicrobials, can effectively suppress because of phenomenons such as coating aging that metal exterior wall paint coating causes the absorption of daylight, storage, conduction, discolours.
After the present invention is composite by two kinds of cellulose acetate butyrates, be prefabricated into slurry and use, the regular arrangement that is more conducive to improve gloss, levelling property, scratch resistance and the aluminium powder of metal exterior wall paint coating.
The auxiliary agent that aligns that the present invention chooses is a kind of EVA wax, can effectively improve aligning of metallic pigment, and can prevent its sedimentation in metal exterior wall paint.
The wetting dispersing agent that the present invention chooses is a kind of solution flocculation type dispersion agent, can make the flocculation of aluminium powder solution, has stable dispersion in metal exterior wall paint.
The mould inhibitor ATE9277 that the present invention chooses is a kind of isothiazolinone compounds, compatibility is good, there is good security and the anti-mold effect of broad-spectrum high efficacy, can effectively contain the harmful bacteria growths such as black-koji mould, Penicillium notatum, trichophyton gypseum, red mentagrophytes.
The zirconium phosphate carrying silver antimicrobials LD-PC that the present invention chooses be a kind of take zirconium phosphate as carrier, silver be antibacterial ion, the inorganic high efficient antiseptic-germicide being composited through special process, belongs to broad spectrum type long acting antibiotic product.In use procedure, silver ions progressively discharges by slow releasing function from carrier, and the zymoprotein in bacterial body is combined, and makes it lose metabolic activity, thereby plays long-term sterilization, antibacterial effect.
The aluminium powder that the present invention chooses is fine and smooth, level and smooth, and fine and close by its made metal exterior wall paint coating, glossiness is high.
The flow agent BYK-306 that the present invention chooses is efficient organosilicon auxiliary agent, can increase the acceptability of coating to dust and coating cloud, and can on vertical surface, form thicker paint film, helps aluminium powder ordered arrangement, reduces grow diming phenomenon.
The Bayer-N75 that the HDI biuret isocyanate curing agent that the present invention chooses is Beyer Co., Ltd, this solidifying agent has the advantages such as viscosity is low, yellowing resistance is outstanding, after mixing, can significantly reduce system viscosity with first component, gives the levelling property that coating system is good.Isocyano (NCO) and secondary amine (NH) are-10 ℃～0 ℃ energy rapid reaction, thereby give metal exterior wall paint good low-temperature curing performance, after elastic polyester resin Rokrapol 2130 crosslinking curings, metal exterior wall paint coating failure elongation reaches as high as 150%.
The HDI tripolymer that the present invention chooses has excellent chemical-resistant, outstanding guarantor's look gloss retention and splendid mechanical property, coating cross-linking density is high, good weatherability, use as composite curing agent with HDI biuret, both the snappiness, water tolerance and the high-decoration that had kept elastic polyester resin Rokrapol 2130, give again resistance to chalking and the Bao Se gloss retention of metal exterior wall paint coating excellence.
Specific embodiments of the invention are as follows:
Embodiment 1:
First by described method of the present invention, precast microcapsule heat exchange material and compound cellulose acetate butyrate slurry;
Then get respectively by weight in described upper abrasive material group the elastic polyester resin Rokrapol 2130 of 30 parts, the JF-2X of 5 parts, the compound cellulose acetate butyrate slurry of 22 parts, the BYK-220S of 0.6 part, the ATE9277 of 3 parts, the LD-PC of 5 parts, the BASF-EVA3 wax of the YT-803 of 5 parts and 7 parts is together put into high speed dispersor and is disperseed 30～40 minutes, after dispersion, put into again sand mill and be ground to fineness≤30um, described upper abrasive material group after grinding is gone in dispersion machine, then the microcapsule heat exchange material that adds respectively by weight in described lower abrasive material group 5 parts, the BYK-306 of the CE-160 of 13 parts and 0.6 part, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 30～40 minutes, finally with the Lexomer WA98 of 6 parts, adjust its viscosity and obtain first component after 60 eye mesh screens filter, by first component packed for standby use,
Further, the N3390 that gets respectively by weight the HDI biuret of 70 parts and 8 parts together puts into dispersion machine and mixes, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 20～30 minutes and obtain second component after 60 eye mesh screens filter, by second component packed for standby use;
Finally by first component and second component by weight 1:1 carry out blending dispersion, be uniformly dispersed and can make the long-acting mould-proof shaped metal exterior wall paint that a kind of the best has heat-storage thermoregulation function.
Embodiment 2:
First by described method of the present invention, precast microcapsule heat exchange material and compound cellulose acetate butyrate slurry;
Then get respectively by weight in described upper abrasive material group the elastic polyester resin Rokrapol 2130 of 35 parts, the JF-2X of 3 parts, the compound cellulose acetate butyrate slurry of 25 parts, the BYK-220S of 0.4 part, the ATE9277 of 4 parts, the LD-PC of 6 parts, the BASF-EVA3 wax of the YT-803 of 7 parts and 5 parts is together put into high speed dispersor and is disperseed 30～40 minutes, after dispersion, put into again sand mill and be ground to fineness≤30um, described upper abrasive material group after grinding is gone in dispersion machine, then the microcapsule heat exchange material that adds respectively by weight in described lower abrasive material group 8 parts, the BYK-306 of the CE-160 of 10 parts and 0.6 part, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 30～40 minutes, finally with the Lexomer WA98 of 3 parts, adjust its viscosity and obtain first component after 60 eye mesh screens filter, by first component packed for standby use,
Further, the N3390 that gets respectively by weight the HDI biuret of 75 parts and 9 parts together puts into dispersion machine and mixes, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 20～30 minutes and obtain second component after 60 eye mesh screens filter, by second component packed for standby use;
Finally by first component and second component by weight 1:1 carry out blending dispersion, be uniformly dispersed and can make the long-acting mould-proof shaped metal exterior wall paint that a kind of the best has heat-storage thermoregulation function.
Embodiment 3:
First by described method of the present invention, precast microcapsule heat exchange material and compound cellulose acetate butyrate slurry;
Then get respectively by weight in described upper abrasive material group the elastic polyester resin Rokrapol 2130 of 40 parts, the JF-2X of 3 parts, the compound cellulose acetate butyrate slurry of 15 parts, the BYK-220S of 0.5 part, the ATE9277 of 5 parts, the LD-PC of 7 parts, the BASF-EVA3 wax of the YT-803 of 8 parts and 4 parts is together put into high speed dispersor and is disperseed 30～40 minutes, after dispersion, put into again sand mill and be ground to fineness≤30um, described upper abrasive material group after grinding is gone in dispersion machine, then the microcapsule heat exchange material that adds respectively by weight in described lower abrasive material group 10 parts, the BYK-306 of the CE-160 of 9 parts and 0.4 part, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 30～40 minutes, finally with the Lexomer WA98 of 4 parts, adjust its viscosity and obtain first component after 60 eye mesh screens filter, by first component packed for standby use,
Further, the N3390 that gets respectively by weight the HDI biuret of 80 parts and 10 parts together puts into dispersion machine and mixes, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 20～30 minutes and obtain second component after 60 eye mesh screens filter, by second component packed for standby use;
Finally by first component and second component by weight 1:1 carry out blending dispersion, be uniformly dispersed and can make the long-acting mould-proof shaped metal exterior wall paint that a kind of the best has heat-storage thermoregulation function.
Part not in the detailed description of the invention is prior art.
The embodiment selecting in this article in order to disclose object of the present invention, currently thinks suitablely, still, will be appreciated that, the present invention is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and invention scope.
Claims (9)
1. a metal exterior wall paint, is characterized in that: described metal exterior wall paint comprises first component and second component, and wherein first component comprises abrasive material group and lower abrasive material group, and the composition of described upper abrasive material group comprises following composition by weight:
30～40 parts of elastic polyester resins;
3～5 parts of fluorocarbon resins;
15～25 parts of compound cellulose acetate butyrate slurries;
0.4～0.6 part of wetting dispersing agent;
3～5 parts of mould inhibitors;
5～7 parts of zirconium phosphate carrying silver antimicrobials;
5～8 parts, nano-titanium an aromatic plant metioned in ancient books powder;
Align 4～7 parts of auxiliary agents;
The composition of described lower abrasive material group comprises following composition by weight:
5～10 parts of microcapsule heat exchange materials;
5～10 parts of aluminium powders;
0.4～0.6 part of flow agent;
3～6 parts of endurable active tougheners;
The composition of described second component comprises following composition by weight:
70～80 parts of HDI biurets;
5～12 parts of HDI tripolymers.
2. metal exterior wall paint according to claim 1, it is characterized in that: the preparation of described microcapsule heat exchange material comprises the preparation of cyst wall and the preparation of core, first the preparation of described cyst wall joins 30～34g trimeric cyanamide, 48～55ml formalin, 0.10～0.15g urotropine and 18～25g deionized water in four-hole boiling flask, be warming up to 75～85 ℃, with trolamine, adjust pH=8～9, isothermal reaction 25～35 min make 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 sodium hydroxide and 75～85g butyl stearate-tetradecanol mixture join in deionized water, at 65～75 ℃, stir 45～55 min, then pour in four-hole boiling flask, make and mix core emulsion, further, emulsion is poured in four-hole bottle, with citric acid, regulate pH=3～4, be warming up to 75～85 ℃, under agitation condition, slowly drip a certain amount of MF performed polymer, reaction 2.5～3.5h obtains microcapsule suspensions, after discharging through washing be drying to obtain butyl stearate-tetradecanol mixing core microcapsule.
3. metal exterior wall paint according to claim 2, is characterized in that: the mass ratio of described butyl stearate and tetradecanol is 5:3.
4. metal exterior wall paint according to claim 1, it is characterized in that: described compound cellulose acetate butyrate slurry is the elastic polyester resin that adds 8 weight parts together with after the CAB-381-2 of the CAB-551-0.5 of 1 weight part and 1 weight part is mixed, and disperses to obtain for 20～30 minutes compound cellulose acetate butyrate slurry with standby under 800～1000 revs/min of rotating speeds of dispersion machine.
5. metal exterior wall paint according to claim 1, is characterized in that: described elastic polyester resin is Rokrapol 2130; Fluorocarbon resin is JF-2X; Wetting dispersing agent is BYK-220S; Mould inhibitor is ATE9277; Zirconium phosphate carrying silver antimicrobials is LD-PC; Nano-titanium an aromatic plant metioned in ancient books powder is YT-803; Aligning auxiliary agent is BASF-EVA3 wax.
6. metal exterior wall paint according to claim 1, is characterized in that: described aluminium powder is CE-160; Flow agent is BYK-306; Endurable active toughener is Lexomer WA98.
7. metal exterior wall paint according to claim 1, is characterized in that: described HDI biuret is Bayer-N75; HDI tripolymer is N3390.
8. the preparation method who utilizes a kind of metal exterior wall paint of a kind of metal exterior wall paint described in the arbitrary claim of claim 1～7, described preparation method specifically comprises the steps:
One, preparation first component:
The preparation of A, upper abrasive material group:
The auxiliary agent that aligns that takes respectively by weight the elastic polyester resin of 30～40 parts, the fluorocarbon resin of 3～5 parts, the compound cellulose acetate butyrate slurry of 15～25 parts, the wetting dispersing agent of 0.4～0.6 part, the mould inhibitor of 3～5 parts, the zirconium phosphate carrying silver antimicrobials of 5～7 parts, the nano-titanium an aromatic plant metioned in ancient books powder of 5～8 parts and 4～7 parts is together put into high speed dispersor and is disperseed 30～40 minutes, puts into sand mill again and be ground to fineness≤30um after dispersion;
The preparation of B, abrasive material group:
Connect step, the upper abrasive material group of obtaining after grinding is gone in dispersion machine, then add respectively by weight the microcapsule heat exchange material of 5～10 parts, the aluminium powder of 5～10 parts and the flow agent of 0.4～0.6 part, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 30～40 minutes, finally with the endurable active toughener of 3～6 parts, adjust its viscosity and after screen filtration, obtain first component, by first component packed for standby use;
Two, preparation second component:
The HDI tripolymer of getting respectively by weight the HDI biuret of 70～80 parts and 5～12 parts is together put into dispersion machine and is mixed, under 600～800 revs/min of rotating speeds of dispersion machine, disperse 20～30 minutes and after screen filtration, obtain second component, by second component packed for standby use;
Three, prepare metal exterior wall paint:
Connect step, the second component that the first component that the first step is obtained and second step obtain by weight 1:1 is carried out blending dispersion, obtains metal exterior wall paint after being uniformly dispersed.
9. the preparation method of metal exterior wall paint according to claim 8, is characterized in that: described screen cloth is 60 eye mesh screens.
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| CN104130689B (en) | 2017-02-08 |
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