CN104744976A - Fire retardant coating with photocatalytic performance and preparation method thereof - Google Patents
Fire retardant coating with photocatalytic performance and preparation method thereof Download PDFInfo
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- CN104744976A CN104744976A CN201510140573.9A CN201510140573A CN104744976A CN 104744976 A CN104744976 A CN 104744976A CN 201510140573 A CN201510140573 A CN 201510140573A CN 104744976 A CN104744976 A CN 104744976A
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Abstract
The invention discloses a fire retardant coating with photocatalytic performance and a preparation method thereof. The fire retardant coating is obtained by mixing and stirring a base material, a catalyst, a charring agent, a foaming agent, filler, a pigment, a solvent, a disperser, a dryer, a drying aid and a nano-mother solution. By adopting the preparation method provided by the invention, the environment pollution can be furthest reduced, the recycling economical production of the product can be realized and about 20% of the cost can be reduced; the fire retardant coating prepared by the invention has excellent performances of high strength, rapid hardness, washing resistance, water resistance, alkali resistance and freezing resistance, particularly has an outstanding feature of degrading the formaldehyde gas in the room through photocatalysis and has a natural, non-toxic, pollution-free environment-friendly safety performance.
Description
Technical field
The present invention relates to a kind of frie retardant coating, be specifically related to a kind of frie retardant coating with photocatalysis performance utilizing industrial residue to prepare, belong to frie retardant coating field.
Background technology
Water-granulated slag mainly refers to the granulated slag that iron-smelting blast furnace is discharged, and making a general reference a kind of industrial residue through shrend chilling after high temperature fused state outflow from stove, is a kind of vitreous structure material with very high lateral reactivity.Water-granulated slag is as a kind of material " resource " with high-energy, high energy consumption, and its comprehensive utilization is also nowhere near.Statistics shows, has the slag of nearly 67% to obtain comparatively good utilisation at present, but still has a large amount of slags only utilize as simple extensive style such as building aggregate, road filler etc. and waste, and quite a few enterprise still sells " raw material " simply; Not only also have millions of tons slag to leave unused because not being utilized in addition every year, occupy a large amount of soil but also contaminate environment.
And utilize ultra-fine water-granulated slag powder as filler, can production environment friendly inorganic fireproof coating, it has high-strength, fast hard, washability, water-fast, alkaline-resisting, the resistance to premium properties such as to freeze, especially outstanding feature is natural, nontoxic, free of contamination Environmental Safety performance, and manufacture craft is simple, rice material source is wide, low price, has stronger market competition advantage.
The mineral dye TiO of better heat stability conventional in frie retardant coating in addition
2exist greater band gap, quantum yield very low, use that photocatalytic activity for several times reduces, the limitation such as the recombination rate in electronics and hole is high, visible ray utilization ratio is low, therefore to TiO
2carry out the modification of metal ion and rare earth ion, to improve TiO
2photoabsorption visible ray ability.Utilize the TiO after doping vario-property
2as pigment, the multifunctional fire proof paint of production has the premium properties of photocatalytic degradation of indoor air killer-formaldehyde gas, gives the function that traditional frie retardant coating is brand-new, has very strong market competition advantage.
Therefore utilize water-granulated slag as filler, adopt metal ion and rare earth ion co-doped modification TiO
2it is key one step advancing traditional frie retardant coating to develop to natural, nontoxic, free of contamination Environmental Safety performance and multifunctional direction as pigment.
Summary of the invention
The object of the invention is, for above-mentioned Problems existing, to provide a kind of frie retardant coating with photocatalysis performance and preparation method thereof, utilize water-granulated slag as filler, adopt metal ion and rare earth ion modification TiO
2be prepared from as pigment.
The invention provides a kind of frie retardant coating with photocatalysis performance, mixed together by following mass volume ratio component:
The preferred following mass volume ratio component of described coating mixes together:
Described dispersion agent is BYK180 macromolecule dispersing agent; Described solvent is water; Described base-material is aluminium dihydrogen phosphate; Described filler is specific surface area 500 ~ 800m
2the ultrafine slag powder of/Kg; Described pigment is Cu-Ce/TiO
2; Described catalyzer is ammonium polyphosphate; Described char-forming agent is tetramethylolmethane; Described whipping agent is trimeric cyanamide; Described siccative is plumbous oxide; Described drying aid is zinc powder; Described nanometer mother liquor is Nano-meter SiO_2
2mother liquor.
The present invention also provides a kind of basis to have the preparation method of the frie retardant coating of photocatalysis performance, its chemical reaction process and frie retardant coating expansion process principle:
1. the chemical reaction of flame-retardant system in fire-retardant expansion process
(1) mechanism of souring agent ammonium polyphosphate:
(NH
1)
n+2P
nO
3n+1→H
3PO
1→HPO
3→(HPO
3)
n
(NH
4)
n+2P
nO
3n+1→nH
3PO
4+NH
3↑
H
3PO
4→HPO
3+H
2O↑
nHPO
3→(HPO
3)
n
(2) mechanism of whipping agent trimeric cyanamide (MEL)
C
3N
3(NH
2)
3→NH
3↑+C
(3) mechanism of carburization agent tetramethylolmethane (PER)
C
5h
8(OH)
4+ (HPO
3)
n→ C (carbonaceous layer)+H
2o ↑
2. frie retardant coating expansion process is analyzed
(1) plateau: this one-phase is room temperature 20 DEG C ~ 230 DEG C, this stage is volatile composition volatilization process in coating mainly, and the filmogen in coating starts melting and softens, and absorbs external energy.
(2) foam carbonization stage: this one-phase is 230 DEG C ~ 420 DEG C, and the secondary stage is the process that coating plays a role, the whipping agent trimeric cyanamide first thermolysis mainly in coating in fire protection flame retarding system:
C
3H
3(NH
2)
3＝NH
3↑+C
Discharge non-flammable gases NH
3time, in filmogen, fractions decomposes generation NH
3with water vapour etc., the filmogen impelling the first stage melting is softening is expanded foamed constantly, forms foam layer.Now, dehydration catalyst ammonium polyphosphate decomposes, and reacts, is dehydrated into charcoal, form charcoal skeleton in foam layer with char-forming agent tetramethylolmethane.Finally, the fine and close hard cellular charring layer of black is generated together with slag.Larger than original coat-thickness tens times of the thickness of cellular charring layer, its thermal conductivity is about 2.33 × 10-5W/ (m
2k), close to the thermal conductivity of air.Therefore effectively external heat source can be completely cut off, protection base material.
(3) in the live charcoal stage: this one-phase is 420 DEG C ~ 770 DEG C, this charcoal mainly in charring layer is oxidized to CO gradually
2and system of overflowing, some carburization zone is taken away by air-flow because sticking power is inadequate simultaneously, and the carbon in charring layer is oxidized gradually and give off energy.
(4) steady stage: the scene of a fire later stage that frie retardant coating is later at 45 minutes, mainly slag skeleton is playing fire-proof and thermal-insulation.Slag mainly participates in the formation of microporous layer of charcoal skeleton structure, thus keeps the intensity of volume structure under the flame impingement power effect continued at blowtorch, prevents foaming layer to be broken through by flame.
There is a preparation method for the frie retardant coating of photocatalysis performance, comprise the steps:
(1) in 1 ~ 4.5g dispersion agent, adding 10 ~ 45ml solvent, is stir 3 ~ 7min in 1500 turns/min agitator disk at rotating speed; Add 10 ~ 30ml base-material and 10 ~ 20g filler more successively, stir 3 ~ 7min; Then add 4 ~ 10g pigment, then stir 3 ~ 7min;
(2) reduce agitator disk rotating speed to 1000 turn/min, add 1 ~ 4g catalyzer, 1 ~ 4g char-forming agent and 0 ~ 3g whipping agent, stir 25 ~ 35min, the white slurry of obtained fire prevention;
(3) fire prevention prepared by step (2) is starched in vain join in paint mixing cylinder, the rotating speed of adjustment agitator disk is 500 turns/min, then add 0 ~ 0.4g siccative, 0 ~ 0.3g drying aid, 0 ~ 8ml nanometer mother liquor, stir 15 ~ 25min, obtained ultimate aim product;
Above component is mass volume ratio.
Described dispersion agent is BYK180 macromolecule dispersing agent; Described solvent is water; Described base-material is aluminium dihydrogen phosphate; Described filler is specific surface area 500 ~ 800m
2the ultrafine slag powder of/Kg; Described pigment is Cu-Ce/TiO
2; Described catalyzer is ammonium polyphosphate; Described char-forming agent is tetramethylolmethane; Described whipping agent is trimeric cyanamide; Described siccative is plumbous oxide; Described drying aid is zinc powder; Described nanometer mother liquor is Nano-meter SiO_2
2mother liquor.
Described base-material aluminium dihydrogen phosphate (Al (H
2pO
1)
3) preparation method be: mass volume ratio 30ml phosphoric acid and 9g aluminium hydroxide are put into glass cylinder, current heater are adjusted to 1mA, heated and stirred 10min, treat that solution presents transparent sticky shape, take out, cooling.
Described pigment Cu-Ce/TiO
2preparation method be: Ti (C by volume
1h
9o)
1: C
2h
5oH=1: 4 proportioning raw materials, by butyl (tetra) titanate Ti (C
1h
9o)
1the dehydrated alcohol C of 3/4 consumption is added drop-wise under vigorous stirring
2h
5in OH, obtain homogeneous transparent solution after stirring 45min, then Cu (NO will be dissolved with
3)
23H
2o and Ce (NO
3)
36H
2o (Cu-Ce/TiO
2the total molecular fraction of middle Cu-Ce is 3%, Cu and Ce mol ratio 1: 1) dilute hydrochloric acid solution (pH=4.5) under vigorous stirring, slowly add above-mentioned solution, vigorous stirring 30min, under vigorous stirring, the dehydrated alcohol of residue 1/4 consumption is slowly dripped again, 10min drips off, vigorous stirring 30min, gained lyosol forms xerogel in indoor one-tenth 5d, suction filtration, 10h is dried with air dry oven 80 DEG C after washing, taking-up is placed on Indoor Natural cooling, grind, then sample is put into warm experimental furnace and be raised to 500 DEG C with 2 DEG C/min, constant temperature 1h, naturally cool to room temperature, obtain Cu-Ce/TiO
2photochemical catalysis filler.
Described Nano-meter SiO_2
2the preparation method of mother liquor is: added in 60g acetone by 0.2g Sodium hexametaphosphate 99, then adds 15g particle diameter 15 ~ 30nm Nano-meter SiO_2
2, then carry out T=40 DEG C of ultrasonic wave dispersion 20min, obtain nano dispersion fluid; By nano dispersion fluid, 15g acrylic resin and 5g silicone resin grinding 2h in ball mill, then T=40 DEG C of ultrasonic wave dispersion 1h, obtains nano pulp; 0.3gSl silicane defoamer, 0.25g BYK180 macromolecule dispersing agent are added in nanometer slurry, grinding 2h in ball mill, obtained Nano-meter SiO_2
2mother liquor.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention utilizes the frie retardant coating that ultra-fine water-granulated slag powder is produced as filler, it has high-strength, fast hard, washability, water-fast, alkaline-resisting, the resistance to premium properties such as to freeze, especially outstanding feature is by Photocatalytic Degradation of Indoor Formaldehyde gas, has natural, nontoxic, free of contamination Environmental Safety performance.
(2) method of the present invention can reduce environmental pollution to greatest extent, the recycling economy realizing product manufacturing is produced, reduce costs about 20%, bring good economic benefit, improve product competitiveness in the market, meet " green building material ", " green building " requirement that China vigorously advocates.
(3) the present invention utilizes metal ion Cu and rare earth ion Ce to TiO
2carry out doping vario-property, improve existing TiO to reach
2the technical limitations such as greater band gap, quantum yield be very low, use that photocatalytic activity for several times reduces, the recombination rate in electronics and hole is high, visible ray utilization ratio is low, improve TiO
2photoabsorption visible ray ability.
(4) the present invention is with Cu-Ce/TiO
2as the multifunctional fire proof paint of pigment production, on the basis not affecting its using function and outward appearance, by nano-photocatalyst material self chemical reaction, decorative plate of outer wall is made to have self-cleaning function, improve ageing resistance simultaneously, make traditional frie retardant coating add new function, meet the development trend of national green ecological architectural material.
Accompanying drawing explanation
Fig. 1 is indoor environment schematic diagram under HJC-1 type environmental test chamber simulated visible light source;
Fig. 2 is resistivity against fire experiment schematic diagram;
In figure: 1, Temperature Humidity Sensor; 2, thief hatch; 3, fan; 4, visible light source; 5, alcohol blast burner; 6, upholder; 7, the iron stand of iron clamp is with; 8, test panel; A, formaldehyde gas; B, frie retardant coating.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
There is a preparation method for the frie retardant coating of photocatalysis performance, comprise the steps:
(1) in 4.5gBYK180 macromolecule dispersing agent, adding 45ml water, is stir 7min in 1500 turns/min agitator disk at rotating speed; Add 10ml aluminium dihydrogen phosphate and 10g specific surface area 681m more successively
2the ultrafine slag powder of/Kg, stirs 7min; Then 4g Cu-Ce/TiO is added
2, then stir 7min;
(2) reduce agitator disk rotating speed to 1000 turn/min, add 1g ammonium polyphosphate, 1g tetramethylolmethane and 2g trimeric cyanamide, stir 35min, the white slurry of obtained fire prevention;
(3) fire prevention prepared by step (2) is starched in vain join in paint mixing cylinder, the rotating speed of adjustment agitator disk is 500 turns/min, then 0.15g plumbous oxide, 0.25g zinc powder, 1ml nanometer mother liquor is added, stir 25min, obtained ultimate aim product has the frie retardant coating of photocatalysis performance.
Embodiment 2
There is a preparation method for the frie retardant coating of photocatalysis performance, comprise the steps:
(1) in 3.5gBYK180 macromolecule dispersing agent, adding 35ml water, is stir 6min in 1500 turns/min agitator disk at rotating speed; Add 20ml aluminium dihydrogen phosphate and 16g specific surface area 681m more successively
2the ultrafine slag powder of/Kg, stirs 6min; Then 6g Cu-Ce/TiO is added
2, then stir 6min;
(2) reduce agitator disk rotating speed to 1000 turn/min, add 2g ammonium polyphosphate, 2g tetramethylolmethane and 3g trimeric cyanamide, stir 32min, the white slurry of obtained fire prevention;
(3) fire prevention prepared by step (2) is starched in vain join in paint mixing cylinder, the rotating speed of adjustment agitator disk is 500 turns/min, then add 0.2g plumbous oxide, 0.1g zinc powder, 7ml nanometer mother liquor, stir 22min, obtained ultimate aim product has the frie retardant coating of photocatalysis performance.
Embodiment 3
There is a preparation method for the frie retardant coating of photocatalysis performance, comprise the steps:
(1) in 2.5gBYK180 macromolecule dispersing agent, adding 25ml water, is stir 5min in 1500 turns/min agitator disk at rotating speed; Add 15ml aluminium dihydrogen phosphate and 14g specific surface area 681m more successively
2the ultrafine slag powder of/Kg, stirs 5min; Then 8g Cu-Ce/TiO is added
2, then stir 5min;
(2) reduce agitator disk rotating speed to 1000 turn/min, add 2g ammonium polyphosphate, 2g tetramethylolmethane and 1g trimeric cyanamide, stir 30min, the white slurry of obtained fire prevention;
(3) fire prevention prepared by step (2) is starched in vain join in paint mixing cylinder, the rotating speed of adjustment agitator disk is 500 turns/min, then add 0.3g plumbous oxide, 0.2g zinc powder, 5ml nanometer mother liquor, stir 20min, obtained ultimate aim product has the frie retardant coating of photocatalysis performance.
Embodiment 4
There is a preparation method for the frie retardant coating of photocatalysis performance, comprise the steps:
(1) in 1.5gBYK180 macromolecule dispersing agent, adding 15ml water, is stir 3min in 1500 turns/min agitator disk at rotating speed; Add 25ml aluminium dihydrogen phosphate and 18g specific surface area 681m more successively
2the ultrafine slag powder of/Kg, stirs 3min; Then 10g Cu-Ce/TiO is added
2, then stir 3min;
(2) reduce agitator disk rotating speed to 1000 turn/min, add 3g ammonium polyphosphate, 4g tetramethylolmethane and 1g trimeric cyanamide, stir 25min, the white slurry of obtained fire prevention;
(3) fire prevention prepared by step (2) is starched in vain join in paint mixing cylinder, the rotating speed of adjustment agitator disk is 500 turns/min, then 0.25g plumbous oxide, 0.15g zinc powder, 3ml nanometer mother liquor is added, stir 15min, obtained ultimate aim product has the frie retardant coating of photocatalysis performance.
The chemical composition of the ultrafine slag powder used in the embodiment of the present invention 1 ~ 4 is as shown in table 1:
The chemical composition (mass percent) of table 1 ultrafine slag powder
The chemical reagent utilizing slag preparation to have photocatalysis performance frie retardant coating in above-described embodiment 1 ~ 4 is: butyl (tetra) titanate is chemical pure, silicone resin, acrylic resin, phosphoric acid, tetramethylolmethane, trimeric cyanamide, aluminium hydroxide, hydrochloric acid, ammoniacal liquor, cupric nitrate, lanthanum nitrate, dehydrated alcohol are analytical pure, ammonium polyphosphate, SL17000 hyper-dispersant, Nano-meter SiO_2
2, Sl silicane defoamer, BYK180 macromolecule dispersing agent be industrial raw material, ultrafine slag powder is industrial residue.
Embodiment 5
Slag is utilized to prepare the air-filtering ability testing process with photocatalysis performance frie retardant coating in embodiment 1 ~ 4 as follows:
Indoor environment (as shown in Figure 1) under the HJC-1 type environmental test chamber simulated visible light source utilizing European Union generally to adopt.Utilize Temperature Humidity Sensor 1, temperature is arranged on 23 ± 0.5 DEG C, and humidity is arranged on 45 ± 3%.The formaldehyde analytical pure solution being 37% ~ 40% 2.5 μ L concentration drips on culture dish, puts into environmental test chamber, makes it fully volatilize in environmental test chamber, utilize fan 3 to make the formaldehyde gas a concentration in whole environmental test chamber be 1mg/m
3.By the Cu-Ce/TiO of theoretical coating thickness (200 μm)
2light catalyzed coating b loads to 0.1m
2test panel on, utilize visible light source 4 to excite, make it produce katalysis.Adopt methyl ethyl diketone spectrophotometry (GB/T15516-1995), utilize thief hatch 2, select the gas of sampling in 10L cabin during 240min, the change in concentration of formaldehyde gas in testing environment test chamber, thus the efficiency utilizing slag preparation to have photocatalysis performance frie retardant coating Photo-Catalytic Degradation of Formaldehyde can be calculated.
Embodiment 6
Slag is utilized to prepare the fire performance testing process with photocatalysis performance frie retardant coating in embodiment 1 ~ 4 as follows:
Adopt vertical combustion (as shown in Figure 2).Frie retardant coating is coated with b and overlays on test panel 8 side, be placed on the iron stand 7 of band iron clamp, the test panel side of coating frie retardant coating towards alcohol blast burner 5, and is about 7cm with the vertical range of alcohol blast burner mouth, when flame temperature reaches about 1000 DEG C, start timing to endpoint detection.During detection, carry on the back the charing of fiery face during test panel burning, occur crack, be decided to be resistance to combustion time (min) terminal.
The all-round property testing result of prepared by the present invention the have frie retardant coating of photocatalysis performance is as shown in table 2:
Table 2 Properties of Fire-Proofing Coatings test result of the present invention
Claims (5)
1. have a frie retardant coating for photocatalysis performance, it is characterized in that, described coating is mixed together by following mass volume ratio component:
。
2. the frie retardant coating with photocatalysis performance according to claim 1, is characterized in that, the preferred following mass volume ratio component of described coating mixes together:
。
3. the frie retardant coating with photocatalysis performance according to claim 1 and 2, is characterized in that, described dispersion agent is BYK180 macromolecule dispersing agent; Described solvent is water; Described base-material is aluminium dihydrogen phosphate; Described filler is specific surface area 500 ~ 800m
2the ultrafine slag powder of/Kg; Described pigment is Cu-Ce/TiO
2; Described catalyzer is ammonium polyphosphate; Described char-forming agent is tetramethylolmethane; Described whipping agent is trimeric cyanamide; Described siccative is plumbous oxide; Described drying aid is zinc powder; Described nanometer mother liquor is Nano-meter SiO_2
2mother liquor.
4. a preparation method with the frie retardant coating of photocatalysis performance according to claim 1, is characterized in that, comprise the steps:
(1) in 1 ~ 4.5g dispersion agent, adding 10 ~ 45ml solvent, is stir 3 ~ 7min in 1500 turns/min agitator disk at rotating speed; Add 10 ~ 30ml base-material and 10 ~ 20g filler more successively, stir 3 ~ 7min; Then add 4 ~ 10g pigment, then stir 3 ~ 7min;
(2) reduce agitator disk rotating speed to 1000 turn/min, add 1 ~ 4g catalyzer, 1 ~ 4g char-forming agent and 0 ~ 3g whipping agent, stir 25 ~ 35min, the white slurry of obtained fire prevention;
(3) fire prevention prepared by step (2) is starched in vain join in paint mixing cylinder, the rotating speed of adjustment agitator disk is 500 turns/min, then add 0 ~ 0.4g siccative, 0 ~ 0.3g drying aid, 0 ~ 8ml nanometer mother liquor, stir 15 ~ 25min, obtained ultimate aim product;
Above component is mass volume ratio.
5. according to claim 4 have photocatalysis performance preparation method, it is characterized in that, described dispersion agent is BYK180 macromolecule dispersing agent; Described solvent is water; Described base-material is aluminium dihydrogen phosphate; Described filler is for amassing 500 ~ 800m than table
2the ultrafine slag powder of/Kg; Described pigment is Cu-Ce/TiO
2; Described catalyzer is ammonium polyphosphate; Described char-forming agent is tetramethylolmethane; Described whipping agent is trimeric cyanamide; Described siccative is plumbous oxide; Described drying aid is zinc powder; Described nanometer mother liquor is Nano-meter SiO_2
2mother liquor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510140573.9A CN104744976A (en) | 2015-03-27 | 2015-03-27 | Fire retardant coating with photocatalytic performance and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510140573.9A CN104744976A (en) | 2015-03-27 | 2015-03-27 | Fire retardant coating with photocatalytic performance and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104744976A true CN104744976A (en) | 2015-07-01 |
Family
ID=53585269
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|---|---|---|---|
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|---|---|---|---|---|
| CN105440849A (en) * | 2015-11-29 | 2016-03-30 | 洛阳绿仁环保设备有限公司 | Fireproof photocatalyst coating and preparation method thereof |
| CN109913019A (en) * | 2019-04-02 | 2019-06-21 | 安徽工业大学 | A kind of friendly photocatalysis fireproof coating and preparation method thereof for removing formaldehyde |
| CN109913005A (en) * | 2019-03-27 | 2019-06-21 | 安徽工业大学 | A kind of environment-friendly type photocatalysis fireproof coating and preparation method thereof |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440849A (en) * | 2015-11-29 | 2016-03-30 | 洛阳绿仁环保设备有限公司 | Fireproof photocatalyst coating and preparation method thereof |
| CN109943112A (en) * | 2019-03-26 | 2019-06-28 | 安徽工业大学 | A kind of environmental photocatalysis fireproof coating and preparation method thereof for air cleaning |
| CN109943112B (en) * | 2019-03-26 | 2020-12-22 | 安徽工业大学 | Ecological photocatalytic fireproof coating for air purification and preparation method thereof |
| CN109913005A (en) * | 2019-03-27 | 2019-06-21 | 安徽工业大学 | A kind of environment-friendly type photocatalysis fireproof coating and preparation method thereof |
| CN109913005B (en) * | 2019-03-27 | 2020-09-29 | 安徽工业大学 | Environment-friendly photocatalytic fireproof coating and preparation method thereof |
| CN109913019A (en) * | 2019-04-02 | 2019-06-21 | 安徽工业大学 | A kind of friendly photocatalysis fireproof coating and preparation method thereof for removing formaldehyde |
| CN109971284A (en) * | 2019-04-17 | 2019-07-05 | 榆林学院 | A kind of fire prevention-photocatalysis synergisticing performance functional paint and preparation method thereof |
| CN109971283A (en) * | 2019-04-17 | 2019-07-05 | 榆林学院 | A kind of photocatalysis-fire prevention synergisticing performance functional paint and preparation method thereof |
| CN109971283B (en) * | 2019-04-17 | 2020-12-15 | 榆林学院 | Photocatalytic-fireproof synergistic functional coating and preparation method thereof |
| CN109971284B (en) * | 2019-04-17 | 2020-12-15 | 榆林学院 | Fireproof-photocatalytic synergistic functional coating and preparation method thereof |
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Application publication date: 20150701 |