CN114289008B - Deodorizing and deodorizing liquid suitable for photocatalysis sustained release and preparation method thereof - Google Patents
Deodorizing and deodorizing liquid suitable for photocatalysis sustained release and preparation method thereof Download PDFInfo
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- CN114289008B CN114289008B CN202210027161.4A CN202210027161A CN114289008B CN 114289008 B CN114289008 B CN 114289008B CN 202210027161 A CN202210027161 A CN 202210027161A CN 114289008 B CN114289008 B CN 114289008B
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 88
- 230000001877 deodorizing effect Effects 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 43
- 238000013268 sustained release Methods 0.000 title claims abstract description 26
- 239000012730 sustained-release form Substances 0.000 title claims abstract description 26
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 45
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 125000003118 aryl group Chemical group 0.000 claims abstract description 21
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- 239000002994 raw material Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 12
- 229910021485 fumed silica Inorganic materials 0.000 claims abstract description 12
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 12
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 12
- 238000007865 diluting Methods 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 54
- 239000000341 volatile oil Substances 0.000 claims description 42
- 238000003756 stirring Methods 0.000 claims description 34
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000003205 fragrance Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 235000021551 crystal sugar Nutrition 0.000 claims description 8
- 239000000796 flavoring agent Substances 0.000 claims description 7
- 235000019634 flavors Nutrition 0.000 claims description 7
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- 235000016257 Mentha pulegium Nutrition 0.000 claims description 2
- 235000004357 Mentha x piperita Nutrition 0.000 claims description 2
- 244000242564 Osmanthus fragrans Species 0.000 claims description 2
- 235000019083 Osmanthus fragrans Nutrition 0.000 claims description 2
- 244000223014 Syzygium aromaticum Species 0.000 claims description 2
- 235000016639 Syzygium aromaticum Nutrition 0.000 claims description 2
- 244000284012 Vetiveria zizanioides Species 0.000 claims description 2
- 235000007769 Vetiveria zizanioides Nutrition 0.000 claims description 2
- 229940087559 grape seed Drugs 0.000 claims description 2
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- 238000005470 impregnation Methods 0.000 claims description 2
- 239000001102 lavandula vera Substances 0.000 claims description 2
- 235000018219 lavender Nutrition 0.000 claims description 2
- 230000031700 light absorption Effects 0.000 claims description 2
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 16
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- 238000001179 sorption measurement Methods 0.000 description 4
- 229910052724 xenon Inorganic materials 0.000 description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 4
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- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
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- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 1
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- 239000000419 plant extract Substances 0.000 description 1
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- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
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- Catalysts (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a deodorizing and deodorizing liquid suitable for photocatalysis sustained release, which comprises raw liquid consisting of the following raw materials in parts by weight: 98-100 parts of deionized water; 0.3-1 parts of graphene-based Kong Liangzi photocatalytic material; 0.5-1 parts of sodium polyacrylate; 9-10% of fumed silica; 0.6 to 0.8 percent of acetic acid solution (1 percent); 0.6 to 0.8 of silane coupling agent; 0.2-0.25 of aromatic polar molecules; diluting the original liquid by 8-10 times to obtain the deodorizing and deodorizing liquid. The invention also discloses a preparation method of the deodorizing and deodorizing liquid suitable for photocatalysis sustained release. The aromatic polar molecules not only promote the separation and diffusion of the photocatalytic photon-generated carriers, but also can adsorb a large amount of organic molecules to release the aroma. The method has the advantages of simple operation, high photocatalytic activity, lasting effect, greenness and safety, and can efficiently adsorb and continuously decompose formaldehyde and purify air.
Description
Technical Field
The invention relates to a novel photocatalytic material, in particular to a deodorizing and deodorizing liquid suitable for photocatalysis sustained release and a preparation method thereof.
Background
With the progress of society and the improvement of living standard of people, the pursuit of the masses on living quality is correspondingly improved. In indoor air purification applications, photocatalytic air purification products have been widely used for indoor air purification for a long time because of the advantages of green, environmental protection, and high efficiency. However, the photocatalytic product is expected to produce fragrance while decomposing harmful waste gas in a room, but the photocatalytic air purification product on the market can only realize the function of decomposing harmful gas, and fish and bear's feet cannot be obtained at the same time. Therefore, the photocatalytic air purification product which can rapidly decompose indoor harmful gases and continuously generate fragrance is realized, and the photocatalytic air purification product has important significance for expanding the application of photocatalytic materials and improving the living standard of people. The essence is a concentrated aromatic oil which is artificially synthesized and imitates the smell of fruits and natural spices, and is an artificial spice. The edible essence refers to the fragrance of natural food, adopts natural and natural equivalent flavors and synthetic flavors to be carefully blended into various flavors with natural flavor.
Disclosure of Invention
The combination of essential oil molecules and photocatalytic materials has not been reported, so the invention provides a deodorizing and deodorizing liquid suitable for photocatalysis sustained release and a preparation method thereof, and aims to combine essential oil molecules and photocatalytic materials, thereby not only exerting the function of sustained release of fragrance of essential oil molecules, but also exerting the decomposition function of formaldehyde and volatile organic compounds of photocatalytic materials.
The invention adopts the following technical scheme:
the deodorizing and deodorizing liquid suitable for photocatalysis sustained release comprises a raw liquid consisting of the following raw materials in parts by weight:
98-100 parts of deionized water;
0.3-1 parts of graphene-based Kong Liangzi photocatalytic material;
0.5-1 parts of sodium polyacrylate;
9-10% of fumed silica;
0.6 to 0.8 percent of acetic acid solution (1 percent);
0.6 to 0.8 of silane coupling agent;
0.2-0.25 of aromatic polar molecules;
diluting the original liquid by 8-10 times to obtain the deodorizing and deodorizing liquid.
As a preferable scheme of the invention, the deodorizing and deodorizing liquid suitable for photocatalysis sustained release comprises a raw liquid consisting of the following raw materials in parts by weight:
deionized water 99;
graphene medium Kong Liangzi photocatalytic material 0.7;
sodium polyacrylate 0.75;
fumed silica 9.5;
acetic acid solution (1%) 0.7;
0.7 of a silane coupling agent;
0.23 of a fragrance polar molecule;
diluting the original liquid by 8-10 times to obtain the deodorizing and deodorizing liquid.
A method for preparing a deodorizing and deodorizing liquid suitable for photocatalytic sustained release, the method comprising the steps of:
1) Preparation of solution A
The solution A consists of the following raw materials in parts by weight: 96-98 parts of deionized water and 0.3-1 part of graphene-based Kong Liangzi photocatalytic material, stirring at a high speed for 30-60 minutes, and uniformly stirring and mixing;
2) Preparation of solution B
The solution B consists of the following raw materials in parts by weight: 2-4 parts of deionized water and 0.5-1 part of sodium polyacrylate, stirring at a high speed for 30-60 minutes, and uniformly stirring and mixing;
3) Pouring the solution B into the solution A, adding 9-10 parts by weight of fumed silica, stirring at a high speed for 30-35 minutes, and carrying out ultrasonic and sanding for 50-60 minutes after stirring uniformly;
4) Adding silane coupling agent 0.6-0.8, acetic acid solution (1%) 0.6-0.8, and aromatic polar molecule 0.2-0.25, stirring for 60-120 min;
5) Finally 8-10 times dilution is carried out.
As a preferred embodiment of the invention, the parameters of the sanding apparatus are: medium filling rate: 70-80%; feed amount: 20-25L/min.
As a preferred embodiment of the present invention, ultrasound parameters: amplitude 70-80, power 1800W-2000W.
As a preferred scheme of the invention, the aromatic polar molecules are plant extract essential oil molecules, and the aromatic polar molecules comprise one or a mixture of at least two of crystal sugar orange essential oil molecules, peppermint essential oil molecules, lavender essential oil molecules, rose essential oil molecules, grape seed essential oil molecules, osmanthus fragrans essential oil molecules, cedar essential oil molecules, sandalwood essential oil molecules, clove essential oil molecules, chamomile essential oil molecules, vetiver essential oil molecules, lemon grass essential oil molecules, spearmint essential oil molecules and honeysuckle essential oil molecules; preferably, the sugar orange essential oil molecule.
As a preferable scheme of the invention, the aromatic polar molecules are adhered to the surface of the photocatalytic material, play a role in the recombination center of photo-generated electron-hole pairs in the photocatalytic reaction process, promote the directional transfer and separation efficiency of the photo-generated electron-hole pairs, and increase the probability of photo-generated carriers migrating to the surface of the photocatalytic material and contacting with organic pollution molecules, so that the decomposition activity of the photocatalytic material is improved.
As a preferable scheme of the invention, the aromatic polar molecules have polar bonds, so that the surface adsorption energy of the photocatalytic material is effectively improved, a large number of organic molecules can be rapidly adsorbed, and the photocatalytic organic decomposition reaction is promoted; polar linkages include surface hydroxyl, carboxyl and carbonyl groups.
As a preferable scheme of the invention, the graphene-mediated Kong Liangzi photocatalytic material has visible light absorption, a light response interval of 200-1200nm and a large specific surface area: 200-500m 2 /g, size is 0.2-2um; the graphene medium Kong Liangzi photocatalytic material is specifically a graphene-titanium dioxide photocatalytic material.
As a preferable scheme of the invention, the aromatic polar molecules are adhered to the surfaces of graphene-mediated Kong Liangzi photocatalytic material nano particles by an impregnation method to form an organic-inorganic heterojunction, namely the aromatic polar molecules-graphene titanium dioxide shell-core structure photocatalytic material, and the shell thickness formed by the aromatic polar molecules is 1-10nm.
Compared with the prior art, the invention has the following technical effects:
1) The invention discloses a deodorizing and deodorizing liquid suitable for photocatalysis sustained release, which is characterized in that aromatic polar molecules are doped, the aromatic polar molecules are adhered to the surface of a photocatalysis nano material, the aromatic polar molecules play a role in photo-generated electron-hole pair recombination center in the photocatalysis reaction process, the directional transfer and separation efficiency of the photo-generated electron-hole pair are promoted, the migration probability of photo-generated carriers to the surface of the photocatalysis material and the contact probability of the photo-generated carriers with organic pollution molecules are increased, and therefore the decomposition activity of the photocatalysis material is improved. In addition, the polar molecules of the fragrance promote the surface adsorption energy of the photocatalytic material effectively because of polar bonds, can quickly adsorb a large amount of organic molecules, and promote the photocatalytic organic decomposition reaction.
2) Compared with the traditional photocatalytic air purification product, the invention also discloses a preparation method of the deodorizing and deodorizing liquid suitable for photocatalysis sustained release, and the fragrant polar molecules not only promote the separation and diffusion of photocatalytic photogenerated carriers, but also can adsorb a large amount of organic molecules to release fragrance. The method has the advantages of simple operation, high photocatalytic activity, lasting effect, greenness and safety, and can efficiently adsorb and continuously decompose formaldehyde and purify air.
Drawings
FIG. 1 is a flow chart of a method of preparing a deodorizing and deodorizing liquid suitable for photocatalytic sustained release;
FIG. 2 is a schematic diagram of a fragrance polar molecular shell-graphene titania core heterojunction photocatalysis;
FIG. 3 is a scanning electron microscope image of graphene titania;
FIG. 4 is a scanning electron microscope image of a crystal sugar orange molecule-graphene titanium oxide core-shell structure;
fig. 5 is a graph showing the comparison of dye concentration of the crystal sugar orange molecule-graphene oxide core-shell photocatalytic material with time.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
The deodorizing and deodorizing liquid suitable for photocatalysis sustained release comprises a raw liquid consisting of the following raw materials in parts by weight:
98-100 parts of deionized water;
0.3-1 parts of graphene-based Kong Liangzi photocatalytic material;
0.5-1 parts of sodium polyacrylate;
9-10% of fumed silica;
0.6 to 0.8 percent of acetic acid solution (1 percent);
0.6 to 0.8 of silane coupling agent;
0.2-0.25 of aromatic polar molecules;
diluting the original liquid by 8-10 times to obtain the deodorizing and deodorizing liquid.
The following describes in detail the preparation method of deodorizing and deodorizing liquid suitable for photocatalysis sustained release by taking different flavor polar molecules as an example, the preparation process flow is shown in figure 1, and figure 2 is a schematic diagram of flavor polar molecular shell-graphene titanium dioxide core heterojunction photocatalysis.
Example 1
A method for preparing a deodorizing and deodorizing liquid (crystal sugar orange flavor) suitable for photocatalysis sustained release, which comprises the following steps:
1) Preparation of solution A
The solution A consists of the following raw materials in parts by weight: deionized water 96 and graphene Kong Liangzi photocatalytic material 0.3 are stirred at a high speed for 30 minutes and uniformly mixed.
2) Preparation of solution B
The solution B consists of the following raw materials in parts by weight: deionized water 2 and sodium polyacrylate 0.5, stirring at high speed for 30 minutes, and uniformly stirring and mixing.
3) Pouring the solution B into the solution A, adding the fumed silica 9 according to the weight parts, stirring at a high speed for 30 minutes, and carrying out ultrasonic and sand grinding for 50 minutes after the solution B is uniformly stirred; sanding equipment parameters: medium filling rate: 70% of the total weight of the steel sheet; feed amount: 20L/min; ultrasonic parameters: amplitude 70, power 1800W.
4) Adding silane coupling agent 0.6 and acetic acid solution (1%) 0.6 according to weight portions, stirring for 60 minutes;
5) Finally, 8-fold dilution was performed.
Comparing fig. 3 with fig. 4, it is found that after the crystal sugar orange essential oil is adhered to the surface of the graphene titanium oxide nano particles by an immersion method, a layer of film is formed, namely a shell-core structure of crystal sugar orange-graphene titanium oxide. Through fig. 5, the photocatalytic activity of the crystal sugar orange molecule-graphene titanium oxide shell-core structure photocatalytic material is found to be superior to that of graphene titanium oxide.
Example 2
A method for preparing a deodorizing and deodorizing liquid suitable for photocatalytic sustained release (rose scent type), comprising the steps of:
1) Preparation of solution A
The solution A consists of the following raw materials in parts by weight: deionized water 97 and graphene Kong Liangzi photocatalytic material 0.7, stirring at a high speed for 40 minutes, and uniformly stirring and mixing.
2) Preparation of solution B
The solution B consists of the following raw materials in parts by weight: deionized water 2 and sodium polyacrylate 0.75, stirring at high speed for 40 minutes, and uniformly stirring and mixing.
3) Pouring the solution B into the solution A, adding 9.5 parts by weight of fumed silica, stirring at a high speed for 32 minutes, and carrying out ultrasonic and sanding for 55 minutes after the solution B is uniformly stirred; sanding equipment parameters: medium filling rate: 75%; feed amount: 23L/min; ultrasonic parameters: amplitude 75, power 1900W.
4) Adding silane coupling agent 0.7, acetic acid solution (1%) 0.7, rose essential oil 0.23 according to weight portions, stirring for 80 minutes.
5) Finally, 9-fold dilution was performed.
Example 3
A method for preparing a deodorizing and deodorizing liquid (sandalwood type) suitable for photocatalytic sustained release, the method comprising the steps of:
1) Preparation of solution A
The solution A consists of the following raw materials in parts by weight: deionized water 98 and the graphene Kong Liangzi photocatalytic material 1 are stirred at a high speed for 60 minutes and uniformly mixed.
2) Preparation of solution B
The solution B consists of the following raw materials in parts by weight: deionized water 2 and sodium polyacrylate 1, stirring at high speed for 60 minutes, and uniformly stirring and mixing.
3) Pouring the solution B into the solution A, adding the fumed silica 10 according to the weight parts, stirring at a high speed for 35 minutes, and carrying out ultrasonic and sand grinding for 60 minutes after the solution B is uniformly stirred; sanding equipment parameters: medium filling rate: 80%; feed amount: 25L/min; ultrasonic parameters: amplitude 80, power 2000W.
4) Adding silane coupling agent 0.8, acetic acid solution (1%) 0.8, sandalwood essential oil 0.25 according to weight portions, stirring for 120 minutes;
5) Finally, 10-fold dilution was performed.
Example 4
A preparation method of deodorizing and deodorizing liquid (osmanthus essential oil) suitable for photocatalysis sustained release, which comprises the following steps:
1) Preparation of solution A
The solution A consists of the following raw materials in parts by weight: deionized water 96 and graphene Kong Liangzi photocatalytic material 0.9 are stirred at a high speed for 50 minutes and uniformly mixed.
2) Preparation of solution B
The solution B consists of the following raw materials in parts by weight: deionized water 4 and sodium polyacrylate 0.8, stirring at high speed for 50 minutes, and uniformly stirring and mixing.
3) Pouring the solution B into the solution A, adding 9.7 parts by weight of fumed silica, stirring at a high speed for 34 minutes, and carrying out ultrasonic and sanding for 58 minutes after the solution B is uniformly stirred; sanding equipment parameters: medium filling rate: 78%; feed amount: 24L/min; ultrasonic parameters: amplitude 77, power 1950W.
4) Adding silane coupling agent 0.75 and acetic acid solution (1%) 0.75, and flos Osmanthi Fragrantis essential oil 0.24 according to weight parts, stirring for 110 min;
5) Finally, 9.5-fold dilution was performed.
EXAMPLE 5 comparison of photocatalytic sustained Release type odor-free liquid dye degradation Properties
Note that: photocatalytic dye decomposition activity refers to: testing the visible light catalytic activity of the photocatalytic material, in particular
1) Preparing 50ml of 20ppm rhodamine B solution, weighing 50mg of graphene core-titanium oxide shell photocatalytic material doped with essential oil molecules, placing the graphene core-titanium oxide shell photocatalytic material and the graphene core-titanium oxide shell photocatalytic material into a beaker, fully stirring, and performing adsorption balance treatment for 60 minutes.
2) Then a 300W xenon lamp is opened and is placed at a position 15cm above the beaker, the xenon lamp is provided with a 420nm filter plate and can serve as a visible light source, and the dye decomposition degradation rate is calculated in 60 minutes.
The photocatalytic formaldehyde decomposition efficiency means:
1) Preparing 20ml of 10ppm formaldehyde solution, weighing 50mg of graphene core-titanium oxide shell photocatalytic material doped with essential oil molecules, placing the two materials in a beaker, fully stirring, and placing the beaker in a 1m kettle 3 Then, adsorption equilibrium treatment was performed for 60 minutes.
2) Then a 300W xenon lamp is opened and is placed at a position 15cm above the beaker, the xenon lamp is provided with a 420nm filter plate and can serve as a visible light source, and the degradation rate of dye formaldehyde is calculated in 60 minutes.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (6)
1. The deodorizing and deodorizing liquid suitable for photocatalysis sustained release is characterized by comprising raw liquid consisting of the following raw materials in parts by weight:
98-100 parts of deionized water;
0.3-1 parts of graphene-based Kong Liangzi photocatalytic material;
0.5-1 parts of sodium polyacrylate;
9-10% of fumed silica;
0.6 to 0.8 percent of 1 percent acetic acid solution;
0.6 to 0.8 of silane coupling agent;
0.2-0.25 of aromatic polar molecules;
diluting the original liquid by 8-10 times to obtain a deodorizing and deodorizing liquid;
the graphene-mediated Kong Liangzi photocatalytic material has visible light absorption, a light response interval of 200-1200nm and a large specific surface area of 200-500m 2 /g, size 0.2-2 μm; the graphene medium Kong Liangzi photocatalytic material is specifically a graphene-titanium dioxide photocatalytic material;
the aromatic polar molecules are adhered to the surfaces of the graphene-mediated Kong Liangzi photocatalytic material nano particles through an impregnation method to form an organic-inorganic heterojunction, namely the aromatic polar molecules-graphene titanium dioxide shell-core structure photocatalytic material, and the shell thickness formed by the aromatic polar molecules is 1-10nm; the shell-core structured photocatalytic material of the aromatic polar molecule-graphene titanium dioxide can effectively utilize light of visible light with the wave band of 420-800 nm;
the aroma polar molecules are essential oil molecules extracted from plants.
2. A deodorizing and deodorizing liquid suitable for use in photocatalytic sustained release according to claim 1, comprising a raw liquid composed of the following raw materials in parts by weight:
deionized water 99;
graphene medium Kong Liangzi photocatalytic material 0.7;
sodium polyacrylate 0.75;
fumed silica 9.5;
0.7% acetic acid solution;
0.7 of a silane coupling agent;
0.23 of a fragrance polar molecule;
diluting the original liquid by 8-10 times to obtain the deodorizing and deodorizing liquid.
3. A method for preparing deodorizing and deodorizing liquid suitable for photocatalysis sustained release, which is characterized by comprising the following steps:
1) Preparation of solution A
The solution A consists of the following raw materials in parts by weight: 96-98 parts of deionized water and 0.3-1 part of graphene-based Kong Liangzi photocatalytic material, stirring at a high speed for 30-60 minutes, and uniformly stirring and mixing; the graphene medium Kong Liangzi photocatalytic material is specifically a graphene-titanium dioxide photocatalytic material;
2) Preparation of solution B
The solution B consists of the following raw materials in parts by weight: 2-4 parts of deionized water and 0.5-1 part of sodium polyacrylate, stirring at a high speed for 30-60 minutes, and uniformly stirring and mixing;
3) Pouring the solution B into the solution A, adding 9-10 parts by weight of fumed silica, stirring at a high speed for 30-35 minutes, and carrying out ultrasonic and sanding for 50-60 minutes after stirring uniformly;
4) Adding silane coupling agent 0.6-0.8, 1% acetic acid solution 0.6-0.8, and aromatic polar molecule 0.2-0.25, stirring for 60-120 min; the aroma polar molecules are essential oil molecules extracted from plants;
5) Finally 8-10 times dilution is carried out.
4. A method of preparing a deodorizing liquid suitable for photocatalytic sustained release according to claim 3, characterized by the fact that the parameters of the sanding apparatus are: medium filling rate: 70-80%; feed amount: 20-25L/min.
5. A method of preparing a deodorizing liquid suitable for photocatalytic sustained release according to claim 3, characterized by the ultrasonic parameters: the power is 1800W-2000W.
6. A method of preparing a deodorizing liquid suitable for use in photocatalytic sustained release according to claim 3, wherein the polar flavor molecules include one or more of a crystal sugar orange essential oil molecule, a peppermint essential oil molecule, a lavender essential oil molecule, a rose essential oil molecule, a grape seed essential oil molecule, a sweet osmanthus essential oil molecule, a cedar essential oil molecule, a sandalwood essential oil molecule, a clove essential oil molecule, a chamomile essential oil molecule, a vetiver essential oil molecule, a lemon essential oil molecule, a spearmint essential oil molecule, and a honeysuckle essential oil molecule.
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