CN101554586A - Method for preparing controllable photodegraded flexible indoor air purifying material - Google Patents
Method for preparing controllable photodegraded flexible indoor air purifying material Download PDFInfo
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Abstract
The invention relates to a method for preparing a controllable photodegraded flexible indoor air purifying material. The method comprises the following steps of: (1) preparing a photocatalyst with a hollow heterogeneous structure; (2) treating the surface of a flexible base material and setting an intermediate protective layer; and (3) printing a print agent onto the flexible base material by a method for screen printing, and preparing the controllable photodegraded flexible indoor air purifying material after drying and washing. The preparation method is simple and easy for operation and is applicable to industrial scale production; and the prepared controllable photodegraded flexible indoor air purifying material can remove indoor typical pollutants with high efficiency, such as formaldehyde, benzene, toluene, volatile organic matters and other harmful substances.
Description
Technical field
The invention belongs to the preparation field of material for air purification, particularly relate to a kind of preparation method of controllable photodegraded flexible indoor air purifying material.
Background technology
Since the nineties in 20th century, room air pollution and healthy one of the important environmental problem of national governments and public attention that becomes.Particularly in China, raising along with people's living standard, interior decoration is decorated, the use of the popularizing of a large amount of electric equipment products and air-conditioning, multiple household chemicals, architectural design style and central air-conditioning use the reasons such as the airtight degree increase in room that cause, cause a large amount of physics of indoor generation, chemistry, biology and radioactive pollution factor, cause the serious decline of IAQ, the serious harm health has caused showing great attention to of all circles.According to World Health Organization investigation, indoorly detect more than 300 kind of pollutant, the indoor air level of pollution generally will exceed 2-5 doubly than outdoor environment, under the extreme case, can be above 100 times.And people 90% time is indoor activity, and especially baby and teenage child calculate by respiratory capacity/weight ratio, and they breathe than the adult and more many air, so easier contact and suck more indoor pollutant.These pollution factors include pernicious gases such as the formaldehyde, ammonia of spread effect, and the microorganism and the bacterium of sensitization arranged, and benzene, toluene of carcinogenesis etc. are arranged.People's long term exposure can produce harmful effect to human body under these poisonous and harmful substances, even causes various diseases, therefore must purify the air of a room by material for air purification.Present indoor scavenging material mainly contains physical cleaning material, chemical cleaning method material, biological purification material three major types, and the physical cleaning material causes secondary pollution problem because the gas pollutant rate of adsorption gas pollutant desorb is taken place easily when fast and temperature is high; Biological purification material is mainly used in the restraining and sterilizing bacteria field, can not effectively remove organic pollution, though chemical cleaning method material absorption purifying effect is good, adsorption cleaning speed is adsorbed saturated slowly and easily, can not recycle, and loses efficacy easily.The novel controlled photodegradable flexible air purifying functional material that utilizes photocatalysis technology and flexible parent metal to combine to make is the advantage that has physical cleaning and chemical cleaning method concurrently, have and use simple, advantages such as purposes is wide, good purification, long service life, so flexible air purifying material is with a wide range of applications and development prospect.
Flexible air purifying functional material preparation method mainly contains three kinds: (1) be titanium dioxide optical catalyst growth in situ with unformed shape on the flexible macromolecule base material, and then realize the crystal formation conversion of titanium dioxide.Because the general hear resistance of flexible macromolecule host material is all poor,, to realize at low temperatures the crystal formation of titanium dioxide so transforming.(2) TiO 2 sol of elder generation's preparation anatase crystal is then by padding method with TiO
2Absorption or be deposited on the flexible macromolecule base material.(3) nano titanium oxide of Detitanium-ore-type of preparation is put in order on the flexible parent metal by coating process.
In the above-mentioned three kinds of preparation methods that reported, preceding two kinds of titanium dioxide mainly are adsorbed on the flexible macromolecule carrier by hydrogen bond, and do not have the chemical bonding effect between the flexible macromolecule base material, so the repeat performance of photochemical catalyst may be poor
[20]Coating process can cause its photocatalytic activity to descend because photochemical catalyst is coated by adhesive in addition.Which kind of method no matter, low and photochemical catalyst makes the problem of flexible parent metal or organic bond oxidative degradation to its adsorption efficiency all to exist photochemical catalyst under the low situation of problem, organic gaseous contamination substrate concentration concentration that how to make flexible material surface performance photochemical catalyst function.A particularly back problem, because the strong oxidizing force of photocatalyst can make fiber or adhesive self decompose, at present flexible parent metal photooxidative degradation mechanism is lacked and understand in depth, lack efficient ways and solve this problem, so it has seriously restricted the suitability for industrialized production of flexible air purifying functional material.
Summary of the invention
Technical problem to be solved by this invention provides a kind of preparation method of controllable photodegraded flexible indoor air purifying material, this preparation method is simple, easy operating, be applicable to industrial-scale production, the gained controllable photodegraded flexible indoor air purifying material is effectively removed harmful substances such as indoor typical pollutant formaldehyde, benzene, toluene and volatile organic matter.
The preparation method of a kind of controllable photodegraded flexible indoor air purifying material of the present invention comprises:
(1) configuration N-(beta-aminoethyl)-gama-aminopropyl trimethoxysilane and 2-methyl cellosolve are mixed liquor 80～100mL, silver nitrate in mixed liquor, vigorous stirring is till silver nitrate is uniformly dispersed fully, in above-mentioned solution, slowly drip the titanium tetraisopropylate of 10～20mL 98%, under the vigorous stirring effect, progressively drip the 2-methyl cellosolve of 80～100mL and the mixed solution of water, behind the static formation gel, be placed in the vacuum drying chamber and dried 60～72 hours down at 65～75 ℃, pressure is slowly reduced to 1100～1200Pa, temperature is elevated to 140～150 ℃ of oven dry 20～24 hours, the photocatalyst powder of system then.Powder is washed 3～6h with deionized water under the ultrasonic wave effect, filter with filter paper then, to filter the back powder washes 2～3 times with deionized water and methyl alcohol mixed solution, filter, with the powder after filtering be placed in the convection oven 40～50 ℃ dry 1～2 hour down, dried powder is placed on calcines in the Muffle furnace, heating rate is 1～2 ℃/min, be warmed up to 400～700 ℃, insulation 10～12h can obtain surface silicon and coat hollow heterojunction structure photochemical catalyst.
(2) in 10: 20: 70～15: 25: 60 alkali of the mass ratio that boils, ethanol and water mixed solution flexible parent metal is soaked 10～15min, fully flushing is soaked in the ethanol, oven dry, handle 12～15min with the Excimer UV lamp, on the flexible parent metal surface intermediate protective layer is set then;
(3) with step (1) hollow heterojunction structure photochemical catalyst, ethanol, polyether dispersants, wetting agent JPC, distilled water and organosilicon porous adhesive GF, according to mass percent be, be made into multi-functional printing agent at 6～13%: 8～10%: 1～3%: 0.5～2%: 30～40%: 8～10%, to print agent by the method for screen cloth printing and print on the flexible parent metal, both get after the oven dry washing.
The preparation method of described a kind of controllable photodegraded flexible indoor air purifying material is characterized in that: the amount of substance ratio of the N-in the described step (1) (beta-aminoethyl)-gama-aminopropyl trimethoxysilane and silver nitrate is 3: 1～1: 1; The amount of substance of 2-methyl cellosolve and water was than 3: 1～2: 1.
Described step (1) hollow heterojunction structure photocatalyst powder is Ag@TiO
2@SiO
2, the particle diameter of powder is 35～115nm.
Described step (2) flexible parent metal is non-weaving cloth, woven cloth or looped fabric, and its density is 0.20～0.30g/cm
3
The fiber of described flexible parent metal is selected from one or both the mixture in cotton fiber, silk, wool, bamboo fibre, polyimide fiber, polyester fiber, polypropylene fibre, aramid fiber, soybean fiber, Lyocell fibers, the nylon fibre, and the line density of fiber is 1.8～3.0dtex.
Excimer UV lamp source wavelength in the described step (2) is 172am or 222nm, and spacing is 6～18cm.
The preparation method of described a kind of controllable photodegraded flexible indoor air purifying material; it is characterized in that: described step (3) is provided with intermediate protective layer on the flexible parent metal surface; under argon shield; 100 ℃～120 ℃ oven dry 10～15min; intermediate protective layer is made up of 30～40% silicon, 3～6% hydroxyapatites, 10～20% molybdenum and 50～60% Ludox; the order number of silicon is: 315～400 orders, and several 400～500 orders of the order of molybdenum, the order number of hydroxyapatite is: 250～350 orders.
The preparation method of described a kind of controllable photodegraded flexible indoor air purifying material is characterized in that: the warp-wise ultimate strength of described step (3) controllable photodegraded flexible indoor air purifying material is 650N～750N; Dimension is to ultimate strength 600～700N.
The preparation method of described a kind of controllable photodegraded flexible indoor air purifying material is characterized in that: described step (3) controllable photodegraded flexible indoor air purifying material is applied to submarine, automotive interior trim or interior decoration field.
The present invention prepares the gained air self-purifying function fabric and is applied to fields such as submarine, automotive interior trim, interior decoration, hospital ward, has broad application prospects.
Beneficial effect
(1) utilize the flexible air purifying material of this method preparation can effectively remove harmful substances such as indoor typical pollutant formaldehyde, benzene, toluene and volatile organic matter; The flexible parent metal that this method adopted can be processed into different shape by processing methods such as woven, knitting, braidings; Flexible parent metal is soft, and surface area is big and flexible, and the effect flexible parent metal surface area with enrichment pollutant and dilution catabolite is big; Adopt special flexible parent metal resist technology, solved the problem of flexible parent metal self photooxidative degradation, expanded the range of application of flexible air purifying material;
(2) the present invention is fixed in semi-conductor nano particles on the fabric, has both solved the dust pollution question of photochemical catalyst when air cleaning, can avoid the degraded of photochemical catalyst to matrix material again.The photocatalyst coating on air self-purifying function fabric surface has high-hydrophilic, can form antifogging coating, simultaneously because its powerful oxidation, the oxidable pollutant that falls the surface, keep self cleaning, fabric can pass through the photocatalytic degradation toxic gas under visible light, and it is become nonpoisonous and tasteless material, can realize the purpose that efficiently purifies air rapidly.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
(1) ratio of configuration amount is 3: 1 N-(beta-the aminoethyl)-gama-aminopropyl trimethoxysilane and the mixed liquor 80mL of 2-methyl cellosolve, silver nitrate in mixed liquor, vigorous stirring is uniformly dispersed fully until silver nitrate, in above-mentioned solution, slowly drip the titanium tetraisopropylate of 10mL 98%, under the vigorous stirring effect, the ratio that progressively drips the 80mL amount is 2: 1 the 2-methyl cellosolve and the mixed solution of water, behind the static formation gel, be placed in the vacuum drying chamber and dried 60 hours down at 65 ℃, pressure is slowly reduced to 1100Pa, temperature is elevated to 140 ℃ of oven dry 20 hours, the photocatalyst powder of system then.Powder is washed 3h with deionized water under the ultrasonic wave effect, filter with filter paper then, to filter the back powder washes 2 times with deionized water and methyl alcohol mixed solution, filter, with the powder after filtering be placed in the convection oven 40 ℃ dry 1 hour down, dried powder is placed on calcines in the Muffle furnace, heating rate is 1 ℃/min, be warmed up to 400 ℃, insulation 10h can obtain surface silicon and coat hollow heterojunction structure photochemical catalyst.
(2) at first in 10: 20: 70 alkali of the mass ratio that boils, ethanol and water mixed solution with 0.20g/cm
3The cotton fiber non-weaving cloth soaks 10min, fully washes with circulating water subsequently, uses baking oven flash baking after soaking in ethanol again, and non-weaving cloth is handled 12～15min with the Excimer UV lamp, and optical source wavelength is 172nm, and spacing is 6cm; On the non-weaving cloth surface intermediate protective layer is set, under argon shield, 100 ℃ of oven dry 10min; intermediate protective layer is made up of the molybdenum of 30% silicon, 3% hydroxyapatite and 10% and 50% Ludox; the order number of silicon is: 315 orders, and the order of molybdenum is several 400, and the order number of hydroxyapatite is: 250 orders.
(3) with step (1) nucleocapsid hollow heterojunction structure photochemical catalyst, ethanol, polyether dispersants, wetting agent JPC, distilled water and organosilicon porous adhesive GF, according to mass percent is 6%: 8%: 1%: be made into multi-functional printing agent at 0.5%: 30%: 8%, it more than is mass percent, the method of printing by screen cloth will be printed agent and print on the non-weaving cloth, after oven dry is washed both novel controllable photodegraded flexible indoor air purifying material.
The novel controllable photodegraded flexible indoor air purifying material that the present invention is made is placed in the XPA-5 type photochemical reaction instrument and carries out the air cleaning performance test, it is 25 ℃ that flexible air purifying material is placed on temperature, relative humidity is in 40% the closed reaction vessel, and test changes the clearance and the ultimate strength thereof of following gas:
Ammonia: initial concentration is 5ppm, clearance 99.6%
Formaldehyde: initial concentration 4ppm, clearance 99.8%
Toluene: initial concentration 4ppm, clearance 95.2%
Untapped flexible air purifying material warp-wise ultimate strength: 720N, broadwise ultimate strength 674N; Use the warp-wise ultimate strength after 50 times: 714N; Broadwise ultimate strength 664N.
Embodiment 2
(1) ratio of configuration amount is 2: 1 N-(beta-aminoethyl)-gama-aminopropyl trimethoxysilane and 2-methyl cellosolve mixed liquor 90mL, in mixed liquor, add silver nitrate, vigorous stirring is till silver nitrate is uniformly dispersed fully, in above-mentioned solution, slowly drip the titanium tetraisopropylate of 15mL 98%, under the vigorous stirring effect, the ratio that progressively drips the 90mL amount is 2: 1 the 2-methyl cellosolve and the mixed solution of water, behind the static formation gel, be placed in the vacuum drying chamber and dried 66 hours down at 70 ℃, pressure is slowly reduced to 1150Pa, temperature is elevated to 145 ℃ of oven dry 22 hours then, makes photocatalyst powder.Powder is washed 4.5h with deionized water under the ultrasonic wave effect, filter with filter paper then, to filter the back powder washes 2 times with deionized water and methyl alcohol mixed solution, filter, with the powder after filtering be placed in the convection oven 45 ℃ dry 1.5 hours down, dried powder is placed on calcines in the Muffle furnace, heating rate is 1.5 ℃/min, be warmed up to 550 ℃, insulation 11h can obtain surface silicon and coat hollow heterojunction structure photochemical catalyst.
(2) in 12: 22: 66 alkali of the mass ratio that boils, ethanol and water mixed solution, be 0.25g/cm at first with density
3The woven cloth of bamboo fibre soaks 12.5min, fully washes with circulating water subsequently, uses baking oven flash baking after soaking in ethanol again, and woven cloth is handled 13.5min with the Excimer UV lamp, and optical source wavelength is 172nm, and spacing is 12cm; On woven cloth surface intermediate protective layer is set, under argon shield, 110 ℃ of oven dry 12.5min, intermediate protective layer is made up of the molybdenum of 35% silicon, 4.5% hydroxyapatite and 15% and 55% Ludox, the order number of silicon is: 360 orders, several 450 orders of the order of molybdenum, the order number of hydroxyapatite is: 300 orders;
(3) with step (1) nucleocapsid hollow heterojunction structure photochemical catalyst, ethanol, polyether dispersants, wetting agent JPC, distilled water and organosilicon porous adhesive GF, according to mass percent is 9.5%: 9%: 2%: be made into multi-functional printing agent at 1.25%: 35%: 9%, the method of printing by screen cloth will be printed agent and print on the woven cloth, after oven dry is washed both novel controllable photodegraded flexible indoor air purifying material.
The novel controllable photodegraded flexible indoor air purifying material that the present invention is made is placed in the XPA-5 type photochemical reaction instrument and carries out the air cleaning performance test, it is 25 ℃ that flexible air purifying material is placed on temperature, relative humidity is in 40% the closed reaction vessel, and test changes the clearance and the ultimate strength thereof of following gas:
Ammonia: initial concentration is 5ppm, clearance 99.4%
Formaldehyde: initial concentration 4ppm, clearance 99.5%
Toluene: initial concentration 4ppm, clearance 95.0%
Untapped flexible air purifying material warp-wise ultimate strength: 663N, broadwise ultimate strength 657N; Use the warp-wise ultimate strength after 50 times: 676N; Broadwise ultimate strength 669N.
Embodiment 3
(1) ratio of configuration amount is 1: 1 N-(beta-the aminoethyl)-gama-aminopropyl trimethoxysilane and the mixed liquor 100mL of 2-methyl cellosolve, in mixed liquor, add silver nitrate, vigorous stirring is till silver nitrate is uniformly dispersed fully, in above-mentioned solution, slowly drip the titanium tetraisopropylate of 20mL 98%, under the vigorous stirring effect, the ratio that progressively drips the 100mL amount is 3: 1 the 2-methyl cellosolve and the mixed solution of water, behind the static formation gel, be placed in the vacuum drying chamber and dried 72 hours down at 75 ℃, pressure is slowly reduced to 1200Pa, temperature is elevated to 150 ℃ of oven dry 24 hours, the photocatalyst powder of system then.Powder is washed 6h with deionized water under the ultrasonic wave effect, filter with filter paper then, to filter the back powder washes 3 times with deionized water and methyl alcohol mixed solution, filter, with the powder after filtering be placed in the convection oven 50 ℃ dry 2 hours down, dried powder is placed on calcines in the Muffle furnace, heating rate is 2 ℃/min, be warmed up to 700 ℃, insulation 12h can obtain surface silicon and coat hollow heterojunction structure photochemical catalyst.
(2) in boiling 15: 25: 60 alkali, ethanol and water mixed solution, be 0.30g/cm at first with density
3Bamboo fiber knitting cloth soaks 15min, fully washes with circulating water subsequently, uses baking oven flash baking after soaking in ethanol again, and looped fabric is handled 15min with the Excimer UV lamp, and optical source wavelength is 222nm, and spacing is 18cm; On the looped fabric surface intermediate protective layer is set, under argon shield, 120 ℃ of oven dry 15min, intermediate protective layer is made up of the molybdenum of 40% silicon, 6% hydroxyapatite and 20% and 60% Ludox, the order number of silicon is: 400 orders, and several 500 orders of the order of molybdenum, the order number of hydroxyapatite is: 350 molybdenums;
(3) with step (1) nucleocapsid hollow heterojunction structure photochemical catalyst, ethanol, polyether dispersants, wetting agent JPC, distilled water and organosilicon porous adhesive GF, according to mass percent is 13%: 10%: 3%: be made into multi-functional printing agent at 2%: 40%: 10%, the method of printing by screen cloth will be printed agent and print on the looped fabric, after oven dry is washed both novel controllable photodegraded flexible indoor air purifying material.
The novel controllable photodegraded flexible indoor air purifying material that the present invention is made is placed in the XPA-5 type photochemical reaction instrument and carries out the air cleaning performance test, it is 25 ℃ that flexible air purifying material is placed on temperature, relative humidity is in 40% the closed reaction vessel, and test changes the clearance and the ultimate strength thereof of following gas:
Ammonia: initial concentration is 5ppm, clearance 99.3%
Formaldehyde: initial concentration 4ppm, clearance 99.5%
Toluene: initial concentration 4ppm, clearance 94.9%
Untapped flexible air purifying material warp-wise ultimate strength: 690N, broadwise ultimate strength 681N; Use the warp-wise ultimate strength after 50 times: 684N; Broadwise ultimate strength 669N.
Claims (9)
1. the preparation method of a controllable photodegraded flexible indoor air purifying material comprises:
(1) the mixed liquor 80～100mL of configuration N-(beta-aminoethyl)-gama-aminopropyl trimethoxysilane and 2-methyl cellosolve, in mixed liquor, add silver nitrate, vigorous stirring is till silver nitrate is uniformly dispersed fully, in above-mentioned solution, slowly drip the titanium tetraisopropylate of 10～20mL 98%, under the vigorous stirring effect, progressively drip the 2-methyl cellosolve of 80～100mL and the mixed solution of water, behind the static formation gel, be placed in the vacuum drying chamber and dried 60～72 hours down at 65～75 ℃, pressure is slowly reduced to 1100～1200Pa, temperature is elevated to 140～150 ℃ of oven dry 20～24 hours then, makes photocatalyst powder.Powder is washed 3～6h with deionized water under the ultrasonic wave effect, filter with filter paper then, to filter the back powder washes 2～3 times with deionized water and methyl alcohol mixed solution, filter, with the powder after filtering be placed in the convection oven 40～50 ℃ dry 1～2 hour down, dried powder is placed on calcines in the Muffle furnace, heating rate is 1～2 ℃/min, be warmed up to 400～700 ℃, insulation 10～12h can obtain surface silicon and coat hollow heterojunction structure photochemical catalyst;
(2) in 10: 20: 70～15: 25: 60 alkali of the mass ratio that boils, ethanol and water mixed solution flexible parent metal is soaked 10～15min, fully flushing is soaked in ethanol then, and oven dry is handled 12～15min with the Excimer UV lamp; On the flexible parent metal surface intermediate protective layer is set then;
(3) with step (1) hollow heterojunction structure photochemical catalyst, ethanol, polyether dispersants, wetting agent JPC, distilled water and organosilicon porous adhesive GF, according to mass percent be, be made into multi-functional printing agent at 6～13%: 8～10%: 1～3%: 0.5～2%: 30～40%: 8～10%, to print agent by the method for screen cloth printing and print on the flexible parent metal, both get after the oven dry washing.
2. the preparation method of a kind of controllable photodegraded flexible indoor air purifying material according to claim 1, it is characterized in that: the amount of substance ratio of the N-in the described step (1) (beta-aminoethyl)-gama-aminopropyl trimethoxysilane and silver nitrate is 3: 1～1: 1; The amount of substance of 2-methyl cellosolve and water was than 3: 1～2: 1.
3. the preparation method of a kind of controllable photodegraded flexible indoor air purifying material according to claim 1, it is characterized in that: described step (1) hollow heterojunction structure photocatalyst powder is Ag@TiO
2@SiO
2, the particle diameter of powder is 35～115nm.
4. the preparation method of a kind of controllable photodegraded flexible indoor air purifying material according to claim 1, it is characterized in that: described step (2) flexible parent metal is non-weaving cloth, woven cloth or looped fabric, and its density is 0.20～0.30g/cm
3
5. according to the preparation method of claim 1 or 4 described a kind of controllable photodegraded flexible indoor air purifying materials, it is characterized in that: the fiber of described flexible parent metal is selected from one or both the mixture in cotton fiber, silk, wool, bamboo fibre, polyimide fiber, polyester fiber, polypropylene fibre, aramid fiber, soybean fiber, Lyocell fibers, the nylon fibre, and the line density of fiber is 1.8～3.0dtex.
6. the preparation method of a kind of controllable photodegraded flexible indoor air purifying material according to claim 1, it is characterized in that: the Excimer UV lamp source wavelength in the described step (2) is 172nm or 222nm, and spacing is 6～18cm.
7. the preparation method of a kind of controllable photodegraded flexible indoor air purifying material according to claim 1; it is characterized in that: described step (2) is provided with intermediate protective layer on the flexible parent metal surface; under argon shield; 100 ℃～120 ℃ oven dry 10～15min; intermediate protective layer is made up of 30～40% silicon, 3～6% hydroxyapatites, 10～20% molybdenum and 50～60% Ludox; the order number of silicon is: 315～400 orders; several 400～500 orders of the order of molybdenum, the order number of hydroxyapatite is: 250～350 orders.
8. the preparation method of a kind of controllable photodegraded flexible indoor air purifying material according to claim 1, it is characterized in that: the warp-wise ultimate strength of described step (3) controllable photodegraded flexible indoor air purifying material is that 650N～750N ties up to ultimate strength 600～700N.
9. the preparation method of a kind of controllable photodegraded flexible indoor air purifying material according to claim 1, it is characterized in that: described step (3) controllable photodegraded flexible indoor air purifying material is applied to submarine, automotive interior trim or interior decoration field.
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| CN102240538A (en) * | 2011-04-28 | 2011-11-16 | 长沙理工大学 | Preparation method of bamboo fiber loaded type titanium dioxide photochemical catalyst |
| CN102744108A (en) * | 2012-07-13 | 2012-10-24 | 合肥工业大学 | CuO-TiO2/conducting polymer fiber compound photocatalyst and preparation method thereof |
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| CN102744108A (en) * | 2012-07-13 | 2012-10-24 | 合肥工业大学 | CuO-TiO2/conducting polymer fiber compound photocatalyst and preparation method thereof |
| CN102744108B (en) * | 2012-07-13 | 2014-08-06 | 合肥工业大学 | CuO-TiO2/conducting polymer fiber compound photocatalyst and preparation method thereof |
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| CN103820990A (en) * | 2014-02-25 | 2014-05-28 | 南京邮电大学 | Uvioresistant yarns prepared by confinement induced self-assembly and preparation method thereof |
| CN105220348A (en) * | 2015-10-29 | 2016-01-06 | 江苏恒生环保科技有限公司 | A kind of degradable recycling is through compiling filtrate base cloth and manufacture method thereof |
| CN105220348B (en) * | 2015-10-29 | 2017-12-01 | 江苏恒生环保科技有限公司 | A kind of degradable recycling warp knit filtrate base fabric and its manufacture method |
| CN106732815A (en) * | 2016-12-02 | 2017-05-31 | 东华大学 | A kind of fiber/CNT/TiO2 three-dimensional recyclable efficient catalytic material and its preparation and application |
| CN109468828A (en) * | 2018-10-22 | 2019-03-15 | 西安工程大学 | A kind of production method of the functional curtain fabric to purify the air of a room |
| CN109529823A (en) * | 2018-12-07 | 2019-03-29 | 武汉工程大学 | A kind of silver carried titanium dioxide hollow sphere and preparation method thereof |
| CN110013564A (en) * | 2019-03-26 | 2019-07-16 | 西安交通大学 | A kind of smooth power indoor air circulation disinfection system |
| CN113429222A (en) * | 2021-07-16 | 2021-09-24 | 重庆大学 | Ag/TiO2Photocatalytic ceramic tile and preparation method thereof |
| CN113429222B (en) * | 2021-07-16 | 2023-02-21 | 重庆大学 | Ag/TiO material 2 Photocatalytic ceramic tile and preparation method thereof |
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