CN109225214A - Pt-WO3-TiO2Composite photo-catalyst, preparation method, road multi-functional coatings material and preparation method thereof - Google Patents

Pt-WO3-TiO2Composite photo-catalyst, preparation method, road multi-functional coatings material and preparation method thereof Download PDF

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CN109225214A
CN109225214A CN201811070288.4A CN201811070288A CN109225214A CN 109225214 A CN109225214 A CN 109225214A CN 201811070288 A CN201811070288 A CN 201811070288A CN 109225214 A CN109225214 A CN 109225214A
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agent
tio
added
catalyst
thickener
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李蕊
朱春东
裴建中
张久鹏
李永康
冯志斌
沈晨晨
王明
杜易志
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Changan University
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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Abstract

The invention discloses a kind of Pt-WO3‑TiO2Composite photo-catalyst, preparation method, road multi-functional coatings material and preparation method thereof, wherein Pt-WO3‑TiO2Composite photo-catalyst is prepared by butyl titanate, dehydrated alcohol, deionized water, ammonium tungstate, glacial acetic acid and six hydration chloroplatinic acids；Cause the road of haze vehicle maintenance service with multi-functional coatings material by alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling agent, defoaming agent, thickener, 1 part of wetting agent and Pt-WO3‑TiO2Composite photo-catalyst is prepared, and the catalyst and road can be realized the purification of vehicle exhaust with multi-functional coatings material, and purifies high-efficient, and preparation cost is low.

Description

Pt-WO3-TiO2Composite photo-catalyst, preparation method, road multi-functional coatings material And preparation method thereof
Technical field
Technical field of road engineering materials of the present invention is related to a kind of Pt-WO3-TiO2Composite photo-catalyst, preparation method, Road multi-functional coatings material and preparation method thereof.
Background technique
In today of rapid economic development, car owning amount constantly increases per capita, and China becomes generation for years The first big country of motor vehicle production and marketing of boundary, vehicle driving spray a large amount of tail gas, and the ability of the purifying air pollution object of the Nature has been shown It obtains insignificant.Automobile pollution is the major reason for causing photochemical fog, haze, is the important next of China's air pollution Source, the health for seriously endangering people influence daily life, it can be seen that the work of China's Preventing Automobile Exhaust Urgency.
Road circle is energetically studied using multiple material and purifies vehicle exhaust at present, but the shortcomings that these materials is purification Efficiency is very low, preparation cost is very high.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of Pt-WO is provided3-TiO2Composite photocatalyst Agent, preparation method, road multi-functional coatings material and preparation method thereof, the catalyst and road multi-functional coatings material can Realize the purification of vehicle exhaust, and purification is high-efficient, preparation cost is low.
In order to achieve the above objectives, Pt-WO of the present invention3-TiO2Composite photo-catalyst by by mass fraction be (10~ 30) butyl titanate of part, the dehydrated alcohol of (50~70) part, the deionized water of (7~9) part, (0.7~0.9) part ammonium tungstate, The glacial acetic acid of (15~25) part and the six hydration chloroplatinic acids of (0.4~0.8) part are prepared.
Pt-WO of the present invention3-TiO2The preparation method of composite photo-catalyst the following steps are included:
Butyl titanate, dehydrated alcohol, deionized water, ammonium tungstate, glacial acetic acid and six hydration chloroplatinic acids 1a) are weighed, it will be anhydrous Ethyl alcohol is divided into two parts, then butyl titanate is dissolved in first part of dehydrated alcohol, and solution A is obtained after stirring；
2a) ammonium tungstate is dissolved in deionized water, six hydration chloroplatinic acids is added, obtains solution B；
Second part of dehydrated alcohol is mixed with glacial acetic acid 3a), then solution B is added while stirring, obtains solution C；
4a) solution A is added dropwise in solution C under agitation, gel is obtained after stirring；
5a) by gel that step 4a) is obtained it is static after be dried in vacuo, obtain dry nano-TiO2Particle；
6a) by the nano-TiO of the obtained drying of step 5a)2Particle is cooled to room temperature, and is then ground to powder；
7a) the obtained powder of step 6a) is calcined, obtains Pt-WO3-TiO2Composite photo-catalyst.
Step 1a) in butyl titanate is dissolved in first part of dehydrated alcohol under room temperature；
Step 2a) in ammonium tungstate is dissolved in 60 DEG C of deionized water；
Step 3a) in second part of dehydrated alcohol is mixed with glacial acetic acid under room temperature；
Step 4a) in solution A is added dropwise in solution C under agitation, stir 1h after gel；
Step 5a) in gel static 12h under conditions of 30 DEG C~50 DEG C, then again under conditions of 100 DEG C~140 DEG C into Row vacuum drying；
Step 7a) in calcination temperature be 400 DEG C~600 DEG C, calcination time 3h.
The road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is by being (1~3) by mass fraction Part alcohol ester 12, the deionized water of (10~30) part, the silicone acrylic emulsion of (30~50) part, (10~14) part rutile type titanium White powder, the talcum powder of (15~25) part, the dispersing agent of (0.4~0.6) part, the levelling agent of (0.5~1.5) part, (0.5~1.5) Part defoaming agent, (0.5~1.5) part thickener, 1 part of wetting agent and the Pt-WO of (3~5) part3-TiO2Composite photo-catalyst It is prepared.
Defoaming agent is BYK-141 defoaming agent, BYK-052 defoaming agent or BOK-X-401 defoaming agent；
Levelling agent is BYK-333 levelling agent or BYK-306 levelling agent；
Wetting agent is BYK-331 wetting agent or BYK-378 wetting agent；
Thickener is BYK-420 thickener or BYK-425 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, is up to the pH value of base-material is adjusted to 8-9 Only, mixed liquor A is obtained；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time be 8min~12min；
Step 2b) in mixing speed be 400r/min~600r/min；
Step 3b) in mixing speed be 700r/min~900r/min, mixing time be 8min~12min；
Step 4b) under the mixing speed of 1400r/min~1600r/min into the mixed liquid B that step 3) obtains plus Enter rutile titanium white powder and talcum powder, then stirs 15min~25min, so that it is uniformly dispersed, obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with 1400r/min~1600r/ The mixing speed of min stirs 13min~17min, and levelling agent and thickener is then added, is stirred for 4min~6min, obtains cause haze The road of vehicle maintenance service multi-functional coatings material.
The invention has the following advantages:
Pt-WO of the present invention3-TiO2Composite photo-catalyst, preparation method, road multi-functional coatings material and its preparation side Method is based on TiO when specific operation2The failure of invertibity caused by gas phase degradation reaction can make it by simply cleaning The characteristic of activity recovery clears the pollution off as long as periodically sprinkling suitable water, to restore Pt-WO3-TiO2Complex light is urged The activity of agent, while Pt-WO3-TiO2TiO in composite photo-catalyst2It, can be with automobile with very strong redox ability Redox reaction, generated product non-environmental-pollution, and TiO occur for tail gas2There are no pollution to the environment for itself.In addition, this Invention is using rutile type titanium white as pigment, using talcum powder as filler, utilizes alcohol ester 12, Pt-WO3-TiO2 composite photocatalyst Agent and rutile titanium white powder and talcum powder and silicone acrylic emulsion generate synergy, mutually compound while displaying one's respective advantages To form pavement performance height, good weatherability, the road coating material that adhesive force is strong and anti-corrosive properties are good, while passing through Pt-WO3-TiO2 Composite photo-catalyst carries out photocatalysis, during the preparation process, only need to be by each raw material by suitable to improve the purification efficiency of vehicle exhaust Sequence is mixed, stirred and is heated, and preparation method is simple, and preparation cost is low.
Specific embodiment
Below with reference to specific embodiment, the invention will be described in further detail, be explanation of the invention below without It is to limit.
Pt-WO of the present invention3-TiO2Composite photo-catalyst, which is characterized in that by being (10~30) by mass fraction Butyl titanate, the dehydrated alcohol of (50~70) part, the deionized water of (7~9) part, the ammonium tungstate of (0.7~0.9) part, (15 of part ~25) glacial acetic acid of part and the six hydration chloroplatinic acids of (0.4~0.8) part are prepared.
Pt-WO of the present invention3-TiO2The preparation method of composite photo-catalyst the following steps are included:
Butyl titanate, dehydrated alcohol, deionized water, ammonium tungstate, glacial acetic acid and six hydration chloroplatinic acids 1a) are weighed, it will be anhydrous Ethyl alcohol is divided into two parts, then butyl titanate is dissolved in first part of dehydrated alcohol, and solution A is obtained after stirring；
2a) ammonium tungstate is dissolved in deionized water, six hydration chloroplatinic acids is added, obtains solution B；
Second part of dehydrated alcohol is mixed with glacial acetic acid 3a), then solution B is added while stirring, obtains solution C；
4a) solution A is added dropwise in solution C under agitation, gel is obtained after stirring；
5a) by gel that step 4a) is obtained it is static after be dried in vacuo, obtain dry nano-TiO2Particle；
6a) by the nano-TiO of the obtained drying of step 5a)2Particle is cooled to room temperature, and is then ground to powder；
7a) the obtained powder of step 6a) is calcined, obtains Pt-WO3-TiO2Composite photo-catalyst.
Step 1a) in butyl titanate is dissolved in first part of dehydrated alcohol under room temperature；
Step 2a) in ammonium tungstate is dissolved in 60 DEG C of deionized water；
Step 3a) in second part of dehydrated alcohol is mixed with glacial acetic acid under room temperature；
Step 4a) in solution A is added dropwise in solution C under agitation, stir 1h after gel；
Step 5a) in gel static 12h under conditions of 30 DEG C~50 DEG C, then again under conditions of 100 DEG C~140 DEG C into Row vacuum drying；
Step 7a) in calcination temperature be 400 DEG C~600 DEG C, calcination time 3h.
The road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is by being (1~3) by mass fraction Part alcohol ester 12, the deionized water of (10~30) part, the silicone acrylic emulsion of (30~50) part, (10~14) part rutile type titanium White powder, the talcum powder of (15~25) part, the dispersing agent of (0.4~0.6) part, the levelling agent of (0.5~1.5) part, (0.5~1.5) Part defoaming agent, (0.5~1.5) part thickener, 1 part of wetting agent and (3~5) part Pt-WO3-TiO2Composite photo-catalyst system It is standby to form.
Defoaming agent is BYK-141 defoaming agent, BYK-052 defoaming agent or BOK-X-401 defoaming agent；
Levelling agent is BYK-333 levelling agent or BYK-306 levelling agent；
Wetting agent is BYK-331 wetting agent or BYK-378 wetting agent；
Thickener is BYK-420 thickener or BYK-425 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, is up to the pH value of base-material is adjusted to 8-9 Only, mixed liquor A is obtained；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time be 8min~12min；
Step 2b) in mixing speed be 400r/min~600r/min；
Step 3b) in mixing speed be 700r/min~900r/min, mixing time be 8min~12min；
Step 4b) under the mixing speed of 1400r/min~1600r/min into the mixed liquid B that step 3) obtains plus Enter rutile titanium white powder and talcum powder, then stirs 15min~25min, so that it is uniformly dispersed, obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with 1400r/min~1600r/ The mixing speed of min stirs 13min~17min, and levelling agent and thickener is then added, is stirred for 4min~6min, obtains cause haze The road of vehicle maintenance service multi-functional coatings material.
Embodiment one
Pt-WO of the present invention3-TiO2Composite photo-catalyst, which is characterized in that by the titanium for being 20 parts by mass fraction Acid butyl ester, 60 parts of dehydrated alcohol, 8 parts of deionized water, 0.9 part of ammonium tungstate, 20 parts of glacial acetic acid and 0.8 part of six hydrations Chloroplatinic acid is prepared.
Pt-WO of the present invention3-TiO2The preparation method of composite photo-catalyst the following steps are included:
Butyl titanate, dehydrated alcohol, deionized water, ammonium tungstate, glacial acetic acid and six hydration chloroplatinic acids 1a) are weighed, it will be anhydrous Ethyl alcohol is divided into two parts, then butyl titanate is dissolved in first part of dehydrated alcohol, and solution A is obtained after stirring；
2a) ammonium tungstate is dissolved in deionized water, six hydration chloroplatinic acids is added, obtains solution B；
Second part of dehydrated alcohol is mixed with glacial acetic acid 3a), then solution B is added while stirring, obtains solution C；
4a) solution A is added dropwise in solution C under agitation, gel is obtained after stirring；
5a) by gel that step 4a) is obtained it is static after be dried in vacuo, obtain dry nano-TiO2Particle；
6a) by the nano-TiO of the obtained drying of step 5a)2Particle is cooled to room temperature, and is then ground to powder；
7a) the obtained powder of step 6a) is calcined, obtains Pt-WO3-TiO2Composite photo-catalyst.
Step 1a) in butyl titanate is dissolved in first part of dehydrated alcohol under room temperature；
Step 2a) in ammonium tungstate is dissolved in 60 DEG C of deionized water；
Step 3a) in second part of dehydrated alcohol is mixed with glacial acetic acid under room temperature；
Step 4a) in solution A is added dropwise in solution C under agitation, stir 1h after gel；
Step 5a) in gel static 12h under conditions of 50 DEG C, be then dried in vacuo under conditions of 100 DEG C again；
Step 7a) in calcination temperature be 400 DEG C, calcination time 3h.
Embodiment two
Pt-WO of the present invention3-TiO2Composite photo-catalyst, which is characterized in that by the titanium for being 10 parts by mass fraction Acid butyl ester, 50 parts of dehydrated alcohol, 7 parts of deionized water, 0.7 part of ammonium tungstate, 15 parts of glacial acetic acid and 0.4 part of six hydrations Chloroplatinic acid is prepared.
Pt-WO of the present invention3-TiO2The preparation method of composite photo-catalyst the following steps are included:
Butyl titanate, dehydrated alcohol, deionized water, ammonium tungstate, glacial acetic acid and six hydration chloroplatinic acids 1a) are weighed, it will be anhydrous Ethyl alcohol is divided into two parts, then butyl titanate is dissolved in first part of dehydrated alcohol, and solution A is obtained after stirring；
2a) ammonium tungstate is dissolved in deionized water, six hydration chloroplatinic acids is added, obtains solution B；
Second part of dehydrated alcohol is mixed with glacial acetic acid 3a), then solution B is added while stirring, obtains solution C；
4a) solution A is added dropwise in solution C under agitation, gel is obtained after stirring；
5a) by gel that step 4a) is obtained it is static after be dried in vacuo, obtain dry nano-TiO2Particle；
6a) by the nano-TiO of the obtained drying of step 5a)2Particle is cooled to room temperature, and is then ground to powder；
7a) the obtained powder of step 6a) is calcined, obtains Pt-WO3-TiO2Composite photo-catalyst.
Step 1a) in butyl titanate is dissolved in first part of dehydrated alcohol under room temperature；
Step 2a) in ammonium tungstate is dissolved in 60 DEG C of deionized water；
Step 3a) in second part of dehydrated alcohol is mixed with glacial acetic acid under room temperature；
Step 4a) in solution A is added dropwise in solution C under agitation, stir 1h after gel；
Step 5a) in gel static 12h under conditions of 30 DEG C, be then dried in vacuo under conditions of 140 DEG C again；
Step 7a) in calcination temperature be 600 DEG C, calcination time 3h.
Embodiment three
Pt-WO of the present invention3-TiO2Composite photo-catalyst, which is characterized in that by the titanium for being 30 parts by mass fraction Acid butyl ester, 70 parts of dehydrated alcohol, 9 parts of deionized water, 0.75 part of ammonium tungstate, 25 parts of glacial acetic acid and 0.5 part of six water Chloroplatinic acid is closed to be prepared.
Pt-WO of the present invention3-TiO2The preparation method of composite photo-catalyst the following steps are included:
Butyl titanate, dehydrated alcohol, deionized water, ammonium tungstate, glacial acetic acid and six hydration chloroplatinic acids 1a) are weighed, it will be anhydrous Ethyl alcohol is divided into two parts, then butyl titanate is dissolved in first part of dehydrated alcohol, and solution A is obtained after stirring；
2a) ammonium tungstate is dissolved in deionized water, six hydration chloroplatinic acids is added, obtains solution B；
Second part of dehydrated alcohol is mixed with glacial acetic acid 3a), then solution B is added while stirring, obtains solution C；
4a) solution A is added dropwise in solution C under agitation, gel is obtained after stirring；
5a) by gel that step 4a) is obtained it is static after be dried in vacuo, obtain dry nano-TiO2Particle；
6a) by the nano-TiO of the obtained drying of step 5a)2Particle is cooled to room temperature, and is then ground to powder；
7a) the obtained powder of step 6a) is calcined, obtains Pt-WO3-TiO2Composite photo-catalyst.
Step 1a) in butyl titanate is dissolved in first part of dehydrated alcohol under room temperature；
Step 2a) in ammonium tungstate is dissolved in 60 DEG C of deionized water；
Step 3a) in second part of dehydrated alcohol is mixed with glacial acetic acid under room temperature；
Step 4a) in solution A is added dropwise in solution C under agitation, stir 1h after gel；
Step 5a) in gel static 12h under conditions of 35 DEG C, be then dried in vacuo under conditions of 110 DEG C again；
Step 7a) in calcination temperature be 450 DEG C, calcination time 3h.
Example IV
The alcohol that the road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is 2 parts by pressing mass fraction The deionized water that 12,20 part of ester, 40 parts of silicone acrylic emulsion, 12 parts of rutile type titanium white, 20 parts of talcum powder, 0.5 part Dispersing agent, 0.5 part of levelling agent, 0.5 part of defoaming agent, 0.5 part of thickener, 1 part of wetting agent and 4 parts of Pt-WO3- TiO2Composite photo-catalyst is prepared.
Defoaming agent is BYK-141 defoaming agent；
Levelling agent is BYK-333 levelling agent；
Wetting agent is BYK-331 wetting agent；
Thickener is BYK-420 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, is up to the pH value of base-material is adjusted to 8.5 Only, mixed liquor A is obtained；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time 10min；
Step 2b) in mixing speed be 500r/min；
Step 3b) in mixing speed be 800r/min, mixing time 10min；
Step 4b) in rutile titanium white is added into the mixed liquid B that step 3) obtains under the mixing speed of 1500r/min Powder and talcum powder, then stir 20min, it is made to be uniformly dispersed, and obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with the mixing speed of 1500r/min 15min is stirred, levelling agent and thickener is then added, is stirred for 5min, the road of haze vehicle maintenance service must be caused with multi-functional painting Layer material.
Embodiment five
The alcohol that the road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is 2 parts by pressing mass fraction The deionized water that 12,20 part of ester, 40 parts of silicone acrylic emulsion, 12 parts of rutile type titanium white, 20 parts of talcum powder, 0.5 part Dispersing agent, 0.5 part of levelling agent, 0.5 part of defoaming agent, 0.5 part of thickener, 1 part of wetting agent and 3 parts of Pt-WO3- TiO2Composite photo-catalyst is prepared.
Defoaming agent is BYK-141 defoaming agent；
Levelling agent is BYK-333 levelling agent；
Wetting agent is BYK-331 wetting agent；
Thickener is BYK-420 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, is up to the pH value of base-material is adjusted to 8.5 Only, mixed liquor A is obtained；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time 10min；
Step 2b) in mixing speed be 500r/min；
Step 3b) in mixing speed be 800r/min, mixing time 10min；
Step 4b) in rutile titanium white is added into the mixed liquid B that step 3) obtains under the mixing speed of 1500r/min Powder and talcum powder, then stir 20min, it is made to be uniformly dispersed, and obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with the mixing speed of 1500r/min 15min is stirred, levelling agent and thickener is then added, is stirred for 5min, the road of haze vehicle maintenance service must be caused with multi-functional painting Layer material.
Embodiment six
The alcohol that the road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is 2 parts by pressing mass fraction The deionized water that 12,20 part of ester, 40 parts of silicone acrylic emulsion, 12 parts of rutile type titanium white, 20 parts of talcum powder, 0.5 part Dispersing agent, 1.5 parts of levelling agent, 1.5 parts of defoaming agent, 1.5 parts of thickener, 1 part of wetting agent and 5 parts of Pt-WO3- TiO2Composite photo-catalyst is prepared.
Defoaming agent is BYK-052 defoaming agent；
Levelling agent is BYK-306 levelling agent；
Wetting agent is BYK-378 wetting agent；
Thickener is BYK-425 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, is up to the pH value of base-material is adjusted to 8.5 Only, mixed liquor A is obtained；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time 10min；
Step 2b) in mixing speed be 500r/min；
Step 3b) in mixing speed be 800r/min, mixing time 10min；
Step 4b) in rutile titanium white is added into the mixed liquid B that step 3) obtains under the mixing speed of 1500r/min Powder and talcum powder, then stir 20min, it is made to be uniformly dispersed, and obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with the mixing speed of 1500r/min 15min is stirred, levelling agent and thickener is then added, is stirred for 5min, the road of haze vehicle maintenance service must be caused with multi-functional painting Layer material.
Embodiment seven
The alcohol that the road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is 1 part by pressing mass fraction The deionized water that 12,10 part of ester, 30 parts of silicone acrylic emulsion, 10 parts of rutile type titanium white, 15 parts of talcum powder, 0.4 part Dispersing agent, 1 part of levelling agent, 0.5 part of defoaming agent, 1.5 parts of thickener, 1 part of wetting agent and 4 parts of Pt-WO3-TiO2It is multiple Light combination catalyst preparation forms.
Defoaming agent is BOK-X-401 defoaming agent；
Levelling agent is BYK-333 levelling agent；
Wetting agent is BYK-331 wetting agent；
Thickener is BYK-425 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, until the pH value of base-material is adjusted to 8, Obtain mixed liquor A；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time 8min；
Step 2b) in mixing speed be 400r/min；
Step 3b) in mixing speed be 700r/min, mixing time 8min；
Step 4b) in rutile titanium white is added into the mixed liquid B that step 3) obtains under the mixing speed of 1400r/min Powder and talcum powder, then stir 15min, it is made to be uniformly dispersed, and obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with the mixing speed of 1400r/min 13min is stirred, levelling agent and thickener is then added, is stirred for 4min, the road of haze vehicle maintenance service must be caused with multi-functional painting Layer material.
Embodiment eight
The alcohol that the road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is 1 part by pressing mass fraction The deionized water that 12,10 part of ester, 30 parts of silicone acrylic emulsion, 10 parts of rutile type titanium white, 15 parts of talcum powder, 0.4 part Dispersing agent, 1.2 parts of levelling agent, 1.2 parts of defoaming agent, 1.2 parts of thickener, 1 part of wetting agent and 3 parts of Pt-WO3- TiO2Composite photo-catalyst is prepared.
Defoaming agent is BYK-141 defoaming agent；
Levelling agent is BYK-306 levelling agent；
Wetting agent is BYK-378 wetting agent；
Thickener is BYK-425 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, until the pH value of base-material is adjusted to 8, Obtain mixed liquor A；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time 8min；
Step 2b) in mixing speed be 400r/min；
Step 3b) in mixing speed be 700r/min, mixing time 8min；
Step 4b) in rutile titanium white is added into the mixed liquid B that step 3) obtains under the mixing speed of 1400r/min Powder and talcum powder, then stir 15min, it is made to be uniformly dispersed, and obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with the mixing speed of 1400r/min 13min is stirred, levelling agent and thickener is then added, is stirred for 4min, the road of haze vehicle maintenance service must be caused with multi-functional painting Layer material.
Embodiment nine
The alcohol that the road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is 1 part by pressing mass fraction The deionized water that 12,10 part of ester, 30 parts of silicone acrylic emulsion, 10 parts of rutile type titanium white, 15 parts of talcum powder, 0.4 part Dispersing agent, 0.8 part of levelling agent, 0.8 part of defoaming agent, 0.8 part of thickener, 1 part of wetting agent and 5 parts of Pt-WO3- TiO2Composite photo-catalyst is prepared.
Defoaming agent is BYK-052 defoaming agent；
Levelling agent is BYK-333 levelling agent；
Wetting agent is BYK-331 wetting agent；
Thickener is BYK-420 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, until the pH value of base-material is adjusted to 8, Obtain mixed liquor A；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time 8min；
Step 2b) in mixing speed be 400r/min；
Step 3b) in mixing speed be 700r/min, mixing time 8min；
Step 4b) in rutile titanium white is added into the mixed liquid B that step 3) obtains under the mixing speed of 1400r/min Powder and talcum powder, then stir 15min, it is made to be uniformly dispersed, and obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with the mixing speed of 1400r/min 13min is stirred, levelling agent and thickener is then added, is stirred for 4min, the road of haze vehicle maintenance service must be caused with multi-functional painting Layer material.
Embodiment ten
The alcohol that the road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is 3 parts by pressing mass fraction The deionized water that 12,30 part of ester, 50 parts of silicone acrylic emulsion, 14 parts of rutile type titanium white, 25 parts of talcum powder, 0.6 part Dispersing agent, 1 part of levelling agent, 1 part of defoaming agent, 1 part of thickener, 1 part of wetting agent and 4 parts of Pt-WO3-TiO2It is compound Photochemical catalyst is prepared.
Defoaming agent is BOK-X-401 defoaming agent；
Levelling agent is BYK-333 levelling agent；
Wetting agent is BYK-331 wetting agent；
Thickener is BYK-420 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, until the pH value of base-material is adjusted to 9, Obtain mixed liquor A；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time 12min；
Step 2b) in mixing speed be 600r/min；
Step 3b) in mixing speed be 900r/min, mixing time 12min；
Step 4b) in rutile titanium white is added into the mixed liquid B that step 3) obtains under the mixing speed of 1600r/min Powder and talcum powder, then stir 25min, it is made to be uniformly dispersed, and obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with the mixing speed of 1600r/min 17min is stirred, levelling agent and thickener is then added, is stirred for 6min, the road of haze vehicle maintenance service must be caused with multi-functional painting Layer material.
Embodiment 11
The alcohol that the road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is 3 parts by pressing mass fraction The deionized water that 12,30 part of ester, 50 parts of silicone acrylic emulsion, 14 parts of rutile type titanium white, 25 parts of talcum powder, 0.6 part Dispersing agent, 1.5 parts of levelling agent, 0.5 part of defoaming agent, 1.5 parts of thickener, 1 part of wetting agent and 3 parts of Pt-WO3- TiO2Composite photo-catalyst is prepared.
Defoaming agent is BYK-141 defoaming agent；
Levelling agent is BYK-306 levelling agent；
Wetting agent is BYK-378 wetting agent；
Thickener is BYK-425 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, until the pH value of base-material is adjusted to 9, Obtain mixed liquor A；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time 12min；
Step 2b) in mixing speed be 600r/min；
Step 3b) in mixing speed be 900r/min, mixing time 12min；
Step 4b) in rutile titanium white is added into the mixed liquid B that step 3) obtains under the mixing speed of 1600r/min Powder and talcum powder, then stir 25min, it is made to be uniformly dispersed, and obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with the mixing speed of 1600r/min 17min is stirred, levelling agent and thickener is then added, is stirred for 6min, the road of haze vehicle maintenance service must be caused with multi-functional painting Layer material.
Embodiment 12
The alcohol that the road multi-functional coatings material of the present invention for causing haze vehicle maintenance service is 3 parts by pressing mass fraction The deionized water that 12,30 part of ester, 50 parts of silicone acrylic emulsion, 14 parts of rutile type titanium white, 25 parts of talcum powder, 0.6 part Dispersing agent, 0.5 part of levelling agent, 1.5 parts of defoaming agent, 0.5 part of thickener, 1 part of wetting agent and 5 parts of Pt-WO3- TiO2Composite photo-catalyst is prepared.
Defoaming agent is BYK-141 defoaming agent；
Levelling agent is BYK-333 levelling agent；
Wetting agent is BYK-331 wetting agent；
Thickener is BYK-420 thickener.
It is of the present invention cause haze vehicle maintenance service road multi-functional coatings material preparation method the following steps are included:
1b) weigh alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling Agent, defoaming agent, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersing agent Mixing, is then added dropwise defoaming agent, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, until the pH value of base-material is adjusted to 9, Obtain mixed liquor A；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed Close liquid B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes it It is uniformly dispersed, obtains mixed liquor C；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, It is stirred again, the road of haze vehicle maintenance service multi-functional coatings material must be caused.
Step 1b) in mixing speed be 900r/min, mixing time 12min；
Step 2b) in mixing speed be 600r/min；
Step 3b) in mixing speed be 900r/min, mixing time 12min；
Step 4b) under the mixing speed of 1400r/min~1600r/min into the mixed liquid B that step 3) obtains plus Enter rutile titanium white powder and talcum powder, then stir 25min, it is made to be uniformly dispersed, obtains mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with the mixing speed of 1600r/min 17min is stirred, levelling agent and thickener is then added, is stirred for 6min, the road of haze vehicle maintenance service must be caused with multi-functional painting Layer material.
Now the road of haze vehicle maintenance service is caused to be carried out with the performance of multi-functional coatings material the present invention in accordance with the following methods Embodiment is caused the road of haze vehicle maintenance service, on track plate, then to use tail with multi-functional coatings applying material by detection The pilot system of gas purification test equipment tests the vent gas treatment performance of coating material, and specific test method is as follows:
Tail gas clean-up performance under ultraviolet light conditions
Tail gas is collected, after tail gas initial concentration is stablized, first group of data of start recording are recorded at interval of 10min later Data, until 60min is terminated or data variation is unobvious, first group of off-test obtains 1 data of table, this is Blank sample；
The track plate for coating multifunctional coating prepared by example IV to embodiment 12 is placed into tail gas clean-up test In equipment, tail gas is collected, second group of data of start recording after tail gas initial concentration is stablized open ultraviolet lamp and simulate ultraviolet light Environment records a data at interval of 10min later, until 60min is terminated or data variation is unobvious, second group of examination End is tested, respectively obtains table 2 to 10 data of table, this is the test result of example IV under ultraviolet light conditions；
Table 1
Time min HC NOX CO CO2
0 423 45.82 2.66 6.21
10 415 42.67 2.61 6.12
20 406 39.84 2.6 6.01
30 399 36.99 2.57 5.88
40 392 36.8 2.52 5.82
50 387 36.47 2.47 5.76
60 379 36.07 2.45 5.67
Table 2
Table 3
Time min HC NOX CO CO2
0 492 55.24 2.73 6.55
10 485 53.99 2.71 6.48
20 472 53.17 2.65 6.37
30 463 47.58 2.57 6.28
40 455 44.98 2.55 6.20
50 449 43.25 2.52 6.12
60 440 42.97 2.51 5.96
Table 4
Time min HC NOX CO CO2
0 472 59.22 2.77 6.02
10 467 56.82 2.69 5.89
20 462 54.19 2.61 5.79
30 452 49.51 2.58 5.64
40 435 48.22 2.56 5.57
50 426 46.36 2.55 5.49
60 419 45.42 2.54 5.47
Table 5
Time min HC NOX CO CO2
0 455 57.23 2.76 6.27
10 441 53.79 2.71 6.15
20 437 48.28 2.65 6.02
30 429 43.05 2.6 5.86
40 419 40.99 2.59 5.77
50 411 37.32 2.57 5.73
60 405 35.94 2.54 5.69
Table 6
Time min HC NOX CO CO2
0 495 56.45 2.82 6.52
10 485 53.44 2.78 6.48
20 469 48.73 2.75 6.39
30 457 42.57 2.69 6.28
40 455 41.16 2.67 6.18
50 449 39.01 2.62 6.07
60 442 38.67 2.6 5.94
Table 7
Table 8
Time min HC NOX CO CO2
0 456 52.55 2.28 6.68
10 446 51.88 2.25 6.52
20 432 48.14 2.19 6.42
30 421 45.53 2.16 6.36
40 414 41.88 2.15 6.27
50 411 36.28 2.13 6.13
60 406 31.42 2.09 6.07
Table 9
Time min HC NOX CO CO2
0 493 52.88 2.82 6.59
10 488 48.64 2.71 6.46
20 473 43.88 2.69 6.39
30 461 41.52 2.67 6.31
40 449 39.28 2.62 6.24
50 443 37.25 2.6 6.12
60 441 35.91 2.59 6.01
Table 10
Time min HC NOX CO CO2
0 478 53.92 2.55 6.77
10 472 53.88 2.51 6.65
20 461 48.25 2.46 6.47
30 455 44.5 2.43 6.37
40 435 41.76 2.42 6.27
50 429 39.11 2.38 6.18
60 426 34.78 2.35 6.17
As can be seen from Table 2, under ultraviolet light multifunctional coating to tail gas clean-up HC, NOX、CO、CO2In the degradation of 60min Respectively 11.4%, 40.9%, 8.5% and 9.3%；As can be seen from Table 3 under ultraviolet light multifunctional coating to tail gas clean-up HC, NOX、CO、CO2It is respectively 10.5%, 22.2%, 8.1% and 9.0% in the degradation of 60min；As can be seen from Table 4 under ultraviolet light Multifunctional coating is to tail gas clean-up HC, NOX、CO、CO2The degradation of 60min be respectively 11.1%, 23.3%, 8.2% and 9.1%, the highest degradation efficiency as known to table 2, table 3 and table 4 is material prepared by example IV.
As can be seen from Table 5 under ultraviolet light multifunctional coating to tail gas clean-up HC, NOX、CO、CO2In the degradation of 60min Respectively 11.0%, 37.2%, 8.1% and 9.2%；As can be seen from Table 6 under ultraviolet light multifunctional coating to tail gas clean-up HC, NOX、CO、CO2It is respectively 10.7%, 31.5%, 8.0% and 9.0% in the degradation of 60min；As can be seen from Table 7 under ultraviolet light Multifunctional coating is to tail gas clean-up HC, NOX、CO、CO2The degradation of 60min be respectively 10.6%, 29.8%, 8.0% and 9.1%, the highest degradation efficiency as known to table 5, table 6 and table 7 is material prepared by embodiment seven.
As can be seen from Table 8 under ultraviolet light multifunctional coating to tail gas clean-up HC, NOX、CO、CO2In the degradation point of 60min It Wei 10.9%, 40.2%, 8.2% and 9.2%；As can be seen from Table 9 under ultraviolet light multifunctional coating to tail gas clean-up HC, NOX、CO、CO2It is respectively 10.5%, 32.1%, 8.1% and 8.8% in the degradation of 60min；As can be seen from Table 10 under ultraviolet light Multifunctional coating is to tail gas clean-up HC, NOX、CO、CO2The degradation of 60min be respectively 10.8%, 35.5%, 8.0% and 8.9%, the highest degradation efficiency as known to table 8, table 9 and table 10 is material prepared by embodiment ten.
It is compared by conclusions, highest three materials of purification efficiency are example IV, embodiment seven and embodiment ten Prepared material, and blank sample is under ultraviolet light to tail gas clean-up HC, NO as shown in Table 1X、CO、CO2In the degradation point of 60min Not Wei 10.0%, 21.2%, 7.9% and 8.7%, the material for illustrating that preparation method used by example IV is produced not only has Purifying property, and clean-up effect is best, and then obtains Pt-WO prepared by embodiment one3-TiO2Used formula is best 's.

Claims (7)

1. a kind of Pt-WO3-TiO2Composite photo-catalyst, which is characterized in that by the metatitanic acid fourth for by mass fraction being (10~30) part Ester, the dehydrated alcohol of (50~70) part, the deionized water of (7~9) part, the ammonium tungstate of (0.7~0.9) part, (15~25) part Glacial acetic acid and the six hydration chloroplatinic acids of (0.4~0.8) part are prepared.
2. a kind of Pt-WO described in claim 13-TiO2The preparation method of composite photo-catalyst, which is characterized in that including following Step:
Butyl titanate, dehydrated alcohol, deionized water, ammonium tungstate, glacial acetic acid and six hydration chloroplatinic acids 1a) are weighed, by dehydrated alcohol It is divided into two parts, then butyl titanate is dissolved in first part of dehydrated alcohol, solution A is obtained after stirring；
2a) ammonium tungstate is dissolved in deionized water, six hydration chloroplatinic acids is added, obtains solution B；
Second part of dehydrated alcohol is mixed with glacial acetic acid 3a), then solution B is added while stirring, obtains solution C；
4a) solution A is added dropwise in solution C under agitation, gel is obtained after stirring；
5a) by gel that step 4a) is obtained it is static after be dried in vacuo, obtain dry nano-TiO2Particle；
6a) by the nano-TiO of the obtained drying of step 5a)2Particle is cooled to room temperature, and is then ground to powder；
7a) the obtained powder of step 6a) is calcined, obtains Pt-WO3-TiO2Composite photo-catalyst.
3. Pt-WO according to claim 23-TiO2The preparation method of composite photo-catalyst, which is characterized in that step 1a) Butyl titanate is dissolved in first part of dehydrated alcohol under middle room temperature；
Step 2a) in ammonium tungstate is dissolved in 60 DEG C of deionized water；
Step 3a) in second part of dehydrated alcohol is mixed with glacial acetic acid under room temperature；
Step 4a) in solution A is added dropwise in solution C under agitation, stir 1h after gel；
Step 5a) in gel static 12h under conditions of 30 DEG C~50 DEG C, then carry out under conditions of 100 DEG C~140 DEG C again true Sky is dry；
Step 7a) in calcination temperature be 400 DEG C~600 DEG C, calcination time 3h.
4. a kind of road multi-functional coatings material for causing haze vehicle maintenance service, which is characterized in that be by pressing mass fraction (1~ 3) alcohol ester 12 of part, the deionized water of (10~30) part, the silicone acrylic emulsion of (30~50) part, (10~14) part rutile-type Titanium dioxide, the talcum powder of (15~25) part, the dispersing agent of (0.4~0.6) part, (0.5~1.5) part levelling agent, (0.5~ 1.5) defoaming agent of part, the thickener of (0.5~1.5) part, 1 part of wetting agent and (3~5) part Pt- described in claim 1 WO3-TiO2Composite photo-catalyst is prepared.
5. the road multi-functional coatings material according to claim 4 for causing haze vehicle maintenance service, which is characterized in that defoaming Agent is BYK-141 defoaming agent, BYK-052 defoaming agent or BOK-X-401 defoaming agent；
Levelling agent is BYK-333 levelling agent or BYK-306 levelling agent；
Wetting agent is BYK-331 wetting agent or BYK-378 wetting agent；
Thickener is BYK-420 thickener or BYK-425 thickener.
6. causing preparation method of the road of haze vehicle maintenance service with multi-functional coatings material, feature described in a kind of claim 4 It is, comprising the following steps:
It 1b) weighs alcohol ester 12, deionized water, silicone acrylic emulsion, rutile type titanium white, talcum powder, dispersing agent, levelling agent, disappear Infusion, thickener, wetting agent and Pt-WO3-TiO2Composite photo-catalyst, then by deionized water, alcohol ester 12 and dispersant, Then defoaming agent is added dropwise, obtains base-material after mixing evenly；
Neutralizer 2b) is added into the base-material that step 1b) is obtained while stirring, until the pH value of base-material is adjusted to 8-9, obtains Mixed liquor A；
Pt-WO 3b) is added into the mixed liquor that step 2b) is obtained3-TiO2Composite photo-catalyst is stirred for uniformly, obtaining mixed liquor B；
Rutile titanium white powder and talcum powder 4b) is added into the mixed liquid B that step 3b) is obtained while stirring, stirring makes its dispersion Uniformly, mixed liquor C is obtained；
Silicone acrylic emulsion 5b) is added into the mixed liquor C that step 4b) is obtained, is stirring evenly and then adding into levelling agent and thickener, then into Row stirring, must cause the road of haze vehicle maintenance service multi-functional coatings material.
7. the preparation method of the road multi-functional coatings material according to claim 6 for causing haze vehicle maintenance service, special Sign is, step 1b) in mixing speed be 900r/min, mixing time is 8min~12min；
Step 2b) in mixing speed be 400r/min~600r/min；
Step 3b) in mixing speed be 700r/min~900r/min, mixing time be 8min~12min；
Step 4b) under the mixing speed of 1400r/min~1600r/min into the mixed liquid B that step 3) obtains be added gold Then red stone titanium dioxide and talcum powder stir 15min~25min, so that it is uniformly dispersed, obtain mixed liquor C；
Step 5b) in silicone acrylic emulsion is added into the mixed liquor C that step 4b) is obtained, then with 1400r/min~1600r/min's Mixing speed stirs 13min~17min, and levelling agent and thickener is then added, is stirred for 4min~6min, must cause haze car tail The road of gas disposal multi-functional coatings material.
CN201811070288.4A 2018-09-13 2018-09-13 Pt-WO3-TiO2Composite photo-catalyst, preparation method, road multi-functional coatings material and preparation method thereof Pending CN109225214A (en)

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