CN113599279A - Graphene oxide and titanium dioxide composite photocatalyst, cleaning mask and preparation method of cleaning mask - Google Patents
Graphene oxide and titanium dioxide composite photocatalyst, cleaning mask and preparation method of cleaning mask Download PDFInfo
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- CN113599279A CN113599279A CN202111038520.8A CN202111038520A CN113599279A CN 113599279 A CN113599279 A CN 113599279A CN 202111038520 A CN202111038520 A CN 202111038520A CN 113599279 A CN113599279 A CN 113599279A
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 177
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 155
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 89
- 239000002131 composite material Substances 0.000 title claims abstract description 79
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 76
- 238000004140 cleaning Methods 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 230000001699 photocatalysis Effects 0.000 claims abstract description 36
- 239000006184 cosolvent Substances 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000002270 dispersing agent Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000243 solution Substances 0.000 claims description 87
- 238000003756 stirring Methods 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000008367 deionised water Substances 0.000 claims description 29
- 229910021641 deionized water Inorganic materials 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000002243 precursor Substances 0.000 claims description 16
- 229910052719 titanium Inorganic materials 0.000 claims description 16
- 239000010936 titanium Substances 0.000 claims description 16
- 239000011259 mixed solution Substances 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000002244 precipitate Substances 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 claims description 3
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 3
- 125000000129 anionic group Chemical group 0.000 claims description 3
- 229920000620 organic polymer Polymers 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 3
- 230000001815 facial effect Effects 0.000 abstract description 14
- 239000002537 cosmetic Substances 0.000 abstract description 6
- 208000002874 Acne Vulgaris Diseases 0.000 abstract description 3
- 206010000496 acne Diseases 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 3
- 230000028327 secretion Effects 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 5
- 239000004519 grease Substances 0.000 description 3
- 238000001027 hydrothermal synthesis Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000036555 skin type Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0212—Face masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/29—Titanium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/005—Antimicrobial preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/008—Preparations for oily skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/26—Optical properties
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Abstract
The embodiment of the invention discloses a graphene oxide and titanium dioxide composite photocatalyst, a cleaning mask and a preparation method of the cleaning mask, and belongs to the technical field of cosmetics and skin care. The graphene oxide photocatalytic mask comprises a film layer and a back lining layer, wherein the film layer is arranged on the back lining layer and comprises a graphene oxide titanium dioxide composite photocatalyst, a dispersing agent, a film-forming resin and a film-forming cosolvent; the invention also discloses a preparation method of the graphene oxide and titanium dioxide composite photocatalyst and a preparation method of the graphene oxide photocatalytic cleaning mask. The method utilizes the strong adsorption capacity of graphene oxide and the photocatalytic performance of titanium dioxide to quickly adsorb and decompose the oily secretion and oily cosmetics on the face, thereby cleaning the facial skin of a human body; meanwhile, the graphene oxide has strong antibacterial performance, is suitable for users with acne and acne on facial skin, and solves the problem of cleaning the face of oily, make-up and skin sensitive people.
Description
Technical Field
The embodiment of the invention relates to the technical field of cosmetics and skin care, and particularly relates to a graphene oxide and titanium dioxide composite photocatalyst, a cleaning mask and a preparation method of the cleaning mask.
Background
With the improvement of living standard of people and the continuous pursuit of people for beauty, cosmetics become daily necessities of people, especially the common use of color cosmetics products, so that the demands of people on makeup removing and face cleaning products are more and more. However, the makeup remover is popular among more consumers due to its convenience in quick makeup removal and cleaning, but the makeup remover is also inconvenient to carry due to dosage form and is more prone to leakage. After the makeup removing water is used up, the cleansing milk needs to be used for secondary cleaning, the cleaning mode is complicated, a lot of inconvenience is brought to consumers, the effect of the makeup removing water is emphasized, the skin is easy to be stimulated, and the phenomena of redness, pain, peeling, acne and the like of the skin are easy to occur. Therefore, it is necessary to develop a makeup remover product with low irritation, high safety, strong cleaning ability and convenient carrying, so as to solve the problems of makeup removal of people.
Disclosure of Invention
Therefore, the embodiment of the invention provides a graphene oxide photocatalytic cleaning facial mask which is safe, non-irritant and convenient to use and carry by utilizing the strong adsorption capacity and sterilization capacity of graphene and combining the photocatalytic performance of titanium dioxide. In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of the present invention, a graphene oxide photocatalytic cleaning mask is provided, which includes a film layer and a backing layer, wherein the film layer is disposed on the backing layer;
the film layer comprises a graphene oxide and titanium dioxide composite photocatalyst, a dispersing agent, a film-forming resin and a film-forming cosolvent, and the mass ratio of the components is as follows:
graphene oxide and titanium dioxide composite photocatalyst: 10% -30%;
dispersing agent: 1% -5%;
film-forming resin: 15% -35%;
film-forming cosolvent: 0.5 to 5 percent;
the balance being water.
Further, the mass ratio of the dispersant to the graphene oxide titanium dioxide composite photocatalyst is as follows: 1:2 to 1: 20.
Further, the mass ratio of the film-forming resin to the film-forming cosolvent is as follows: 15: 1-60: 1.
Further, the film-forming resin is an ionic/anionic polycarbonate polyurethane.
Further, the dispersant is one or more of water-soluble organic polymers.
Further, the film-forming cosolvent is one or more of propylene glycol butyl ether, dipropylene glycol methyl ether and propylene glycol methyl ether acetate.
According to the preparation method of the graphene oxide and titanium dioxide composite photocatalyst provided by the second aspect of the invention, the graphene oxide and titanium dioxide composite photocatalyst prepared in the graphene oxide photocatalytic cleaning mask comprises the following steps:
the method comprises the following steps: mixing deionized water and absolute ethyl alcohol to obtain a mixed solution I; dispersing graphene oxide into the first mixed solution, and uniformly dissolving the graphene oxide by ultrasonic waves to obtain a graphene oxide solution;
step two: adding a titanium-containing substance into the graphene oxide solution, stirring, sequentially adding acid and deionized water after uniformly stirring, and continuously stirring until uniform to prepare a precursor solution containing titanium and graphene oxide;
step three: pouring the precursor solution into a reaction kettle, keeping the first preset temperature for the first preset time, cooling the container after the reaction is finished, removing supernatant, centrifuging, washing the precipitate for multiple times, and drying to obtain an initial product;
step four: and grinding the primary product to obtain the graphene oxide and titanium dioxide composite photocatalyst.
Further, the method also comprises the following steps: and putting the composite photocatalyst into a muffle furnace or an oven, keeping the second preset temperature, and continuing for the second preset time to obtain the graphene oxide and titanium dioxide composite photocatalyst.
Further, the first predetermined temperature is: 120-260 ℃, and the second preset temperature is as follows: 400-700 ℃; the first preset time is as follows: 5 h-24 h, wherein the second preset time is as follows: 0.5-2 h.
Further, the titanium-containing substance is titanium dioxide or tetrabutyl titanate.
Further, the volume ratio of the deionized water to the absolute ethyl alcohol in the first step is as follows: 2:1 to 5: 1.
Further, the content of the graphene oxide in the first step is as follows: 0.025 to 5 percent.
Further, the acid is acetic acid.
Further, the heating rate of the muffle furnace or the oven is 3-6 ℃/min.
According to a preparation method provided by the third aspect of the invention, the graphene oxide photocatalytic cleaning mask is prepared, wherein the preparation method comprises the step of preparing the graphene oxide titanium dioxide composite photocatalyst, and the preparation method further comprises the following steps:
step five: adding the graphene oxide and titanium dioxide composite photocatalyst into deionized water, adding a dispersing agent, and uniformly stirring to obtain a graphene oxide and titanium dioxide composite photocatalyst solution;
step six: mixing the film-forming resin and the film-forming cosolvent, and stirring the mixture until the mixture is uniform to prepare a film-forming solution;
step seven: mixing and stirring the graphene oxide and titanium dioxide composite photocatalyst solution and the film forming solution to prepare a coating solution;
step eight: and (3) attaching the coating solution to the back lining layer by adopting a coating, printing or dipping method to prepare the graphene oxide photocatalytic cleaning mask.
The embodiment of the invention has the following advantages:
the invention firstly applies photocatalysis to the technical field of skin care, and is a re-expansion of the photocatalysis field.
Secondly, the oily dirt on the face can be converted into harmless substances such as water and carbon dioxide through the photocatalysis, and the cleaning agent has the characteristic of strong cleaning power.
And the graphene has antibacterial and bactericidal effects, can prevent whelks, is suitable for people with different skin types, is more convenient to use than makeup remover and facial cleanser, and is not possessed by the similar cosmetics.
And fourthly, the back lining layer is used as a carrier, the graphite oxide titanium-containing composite photocatalyst technology is applied, and the prepared cleaning facial mask is convenient to carry compared with the toning lotion in the prior art, and the liquid leakage condition cannot be generated in the carrying process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a flow chart of a preparation process of a graphene oxide photocatalytic facial mask provided in embodiment 1 of the present invention;
fig. 2 is a flowchart of a preparation process of a graphene oxide photocatalytic mask provided in embodiment 2 of the present invention;
FIG. 3 is a diffraction diagram of the graphene oxide titanium dioxide composite photocatalyst provided in embodiments 3, 4 and 5 of the present invention;
fig. 4 is a scanning electron microscope image of the graphene oxide-titanium dioxide composite photocatalyst provided in embodiment 3 of the present invention;
in the figure: p25 titanium dioxide.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the embodiment of the first aspect of the invention, the graphene oxide photocatalytic cleaning mask comprises a film layer and a backing layer, wherein the film layer is arranged on the backing layer;
the film layer comprises a graphene oxide and titanium dioxide composite photocatalyst, a dispersing agent, a film-forming resin and a film-forming cosolvent, and the mass ratio of the components is as follows:
graphene oxide and titanium dioxide composite photocatalyst: 10% -30%;
dispersing agent: 1% -5%;
film-forming resin: 15% -35%;
film-forming cosolvent: 0.5 to 5 percent;
the balance being water.
According to a specific embodiment provided by the invention, the mass ratio of the dispersant to the graphene oxide titanium dioxide composite photocatalyst is as follows: 1:2 to 1: 20.
According to a specific embodiment provided by the present invention, the mass ratio of the film-forming resin to the film-forming cosolvent is: 15: 1-60: 1.
According to a specific embodiment of the present invention, the film-forming resin is an ionic/anionic polycarbonate polyurethane.
According to a specific embodiment provided by the invention, the dispersant is one or more of water-soluble organic polymers.
According to a specific embodiment provided by the invention, the film-forming cosolvent is one or more of propylene glycol butyl ether, dipropylene glycol methyl ether and propylene glycol methyl ether acetate.
According to the preparation method of the graphene oxide and titanium dioxide composite photocatalyst provided by the embodiment of the second aspect of the invention, the graphene oxide and titanium dioxide composite photocatalyst prepared in the graphene oxide photocatalytic cleaning mask comprises the following steps:
the method comprises the following steps: mixing deionized water and absolute ethyl alcohol to obtain a mixed solution I; dispersing graphene oxide into the first mixed solution, and uniformly dissolving the graphene oxide by ultrasonic waves to obtain a graphene oxide solution;
step two: adding a titanium-containing substance into the graphene oxide solution, stirring, sequentially adding acid and deionized water after uniformly stirring, and continuously stirring until uniform to prepare a precursor solution containing titanium and graphene oxide;
step three: pouring the precursor solution into a reaction kettle, keeping the first preset temperature for the first preset time, cooling the container after the reaction is finished, removing supernatant, centrifuging, washing the precipitate for multiple times, and drying to obtain an initial product;
step four: and grinding the primary product to obtain the graphene oxide and titanium dioxide composite photocatalyst.
According to a specific embodiment provided by the present invention, the method further comprises the following steps: and putting the composite photocatalyst into a muffle furnace or an oven, keeping the second preset temperature, and continuing for the second preset time to obtain the graphene oxide and titanium dioxide composite photocatalyst.
According to an embodiment of the present invention, the first predetermined temperature is: 120-260 ℃, and the second preset temperature is as follows: 400-700 ℃; the first preset time is as follows: 5 h-24 h, wherein the second preset time is as follows: 0.5-2 h.
According to a specific embodiment provided by the invention, the titanium-containing material is titanium dioxide or tetrabutyl titanate.
According to a specific embodiment provided by the present invention, the volume ratio of the deionized water to the absolute ethyl alcohol in the first step is: 2:1 to 5: 1.
According to a specific embodiment provided by the present invention, the content of the graphene oxide in the first step is: 0.025 to 5 percent.
According to a particular embodiment provided by the present invention, the acid is acetic acid.
According to a specific embodiment provided by the invention, the temperature rise rate of the muffle furnace or the oven is 3-6 ℃/min.
According to the preparation method provided by the third aspect of the invention, the graphene oxide photocatalytic cleaning mask is prepared, wherein the preparation method comprises the step of preparing the graphene oxide titanium dioxide composite photocatalyst, and the preparation method further comprises the following steps:
step five: adding the graphene oxide and titanium dioxide composite photocatalyst into deionized water, then adding the dispersing agent, and uniformly stirring to obtain a graphene oxide and titanium dioxide composite photocatalyst solution;
step six: mixing the film-forming resin and the film-forming cosolvent, and stirring the mixture until the mixture is uniform to prepare a film-forming solution;
step seven: mixing and stirring the graphene oxide and titanium dioxide composite photocatalyst solution and the film forming solution to prepare a coating solution;
step eight: and (3) attaching the coating solution to the back lining layer by adopting a coating, printing or dipping method to prepare the graphene oxide photocatalytic cleaning mask.
The invention will be further described with reference to specific embodiments and the accompanying drawings in which:
example 1
As shown in fig. 1, a flow chart of preparing a graphene oxide photocatalytic cleaning mask by using titanium dioxide as a titanium source in the embodiment of the present invention is provided. The method comprises the following specific steps:
step one S01: respectively taking deionized water and absolute ethyl alcohol according to the volume ratio of 2:1, mixing, weighing a certain amount of graphene oxide, dispersing into the solution, and ultrasonically dissolving for 2-3 hours to obtain a graphene oxide solution.
Step two S02: adding a certain amount of titanium dioxide into the graphene oxide solution, magnetically stirring for 1-2 hours, and then ultrasonically cleaning for 30 minutes to obtain a precursor solution containing titanium and graphene oxide.
Step three S03: and pouring the precursor solution into a reaction kettle, keeping the first preset temperature for the first preset time, cooling the container after the reaction is finished, removing the supernatant, centrifuging, washing the precipitate for multiple times, drying, and grinding to obtain the graphene oxide and titanium dioxide composite photocatalyst.
Step four S04: weighing a certain amount of graphene oxide and titanium dioxide composite photocatalyst, adding the graphene oxide and titanium dioxide composite photocatalyst into a certain amount of deionized water, adding a certain amount of dispersant, and stirring for 0.5-2 hours to obtain a graphene oxide and titanium dioxide composite photocatalyst solution.
Step five S05: weighing a certain proportion of film-forming resin and a film-forming cosolvent, mixing and stirring the film-forming resin and the film-forming cosolvent to be uniform to prepare a film-forming solution;
step six S06: and mixing and stirring the solution of the graphene oxide and titanium dioxide composite photocatalyst and the film forming solution according to a certain mass ratio to prepare the coating solution.
Step seven S07: and (3) attaching the coating solution to the back lining layer by adopting a coating, printing or dipping method to prepare the graphene oxide photocatalytic cleaning mask.
The volume ratio of the deionized water to the absolute ethyl alcohol in the step I S01 is between 2:1 and 5: 1;
in the first step S01, the mass fraction of the graphene oxide is between 0.025% and 5%;
in the second step S02, the mass ratio of the titanium dioxide to the graphene oxide is 100:1 to 5: 1.
The first predetermined temperature in step three S03 is between 120 degrees celsius and 260 degrees celsius.
In the step S04, the mass ratio of the dispersing agent to the graphene oxide and titanium dioxide composite photocatalyst is 1: 2-1: 20.
And in the fifth step S05, the mass ratio of the film-forming resin to the film-forming cosolvent is 15: 1-60: 1.
The solids content of the solution in step six S06 was between 30% and 50%.
Example 2
As shown in fig. 2, in the embodiment of the present invention, a flow chart of preparing a graphene oxide photocatalytic cleaning mask by using tetrabutyl titanate as a titanium source includes the following specific steps:
step one S01: respectively taking deionized water and absolute ethyl alcohol, mixing the deionized water and the absolute ethyl alcohol according to the volume ratio of 2:1, weighing a certain amount of graphene oxide, dispersing the graphene oxide into the solution, and ultrasonically dissolving for 2 to 3 hours to obtain a graphene oxide solution.
Step two S02: and adding a certain amount of tetrabutyl titanate into the graphene oxide solution, magnetically stirring for 1-2 hours until the solution is transparent and uniform, then sequentially dropwise adding a certain amount of acetic acid and deionized water, and continuously stirring for one-hour to two-hour to prepare a precursor solution containing titanium and graphene oxide.
Step three S03: and pouring the precursor solution into a reaction kettle, keeping the first preset temperature for the first preset time, cooling the container after the reaction is finished, removing supernatant, centrifuging, washing the precipitate for multiple times, drying, and grinding to obtain an initial product.
Step four S04: and grinding the prepared primary product, putting the ground primary product into a muffle furnace, keeping the temperature at a second preset temperature, and continuing for a second preset time to obtain the graphene oxide and titanium dioxide composite photocatalyst.
Step five S05: weighing a certain amount of graphene oxide and titanium dioxide composite photocatalyst, adding the graphene oxide and titanium dioxide composite photocatalyst into a certain amount of deionized water, adding a certain amount of dispersant, and stirring for 0.5-2 hours to obtain a graphene oxide and titanium dioxide composite photocatalyst solution.
Step six S06: weighing a certain proportion of film-forming resin and a film-forming cosolvent, mixing and stirring the film-forming resin and the film-forming cosolvent to be uniform to prepare a film-forming solution;
step seven S07: and mixing and stirring the solution of the graphene oxide and titanium dioxide composite photocatalyst and the film forming solution according to a certain mass ratio to prepare the coating solution.
Step eight S08: and (3) attaching the coating solution to the back lining layer by adopting a coating, printing or dipping method to prepare the graphene oxide photocatalytic cleaning facial mask.
The volume ratio of the deionized water to the absolute ethyl alcohol in the step I S01 is between 2:1 and 5: 1;
in the first step S01, the mass fraction of the graphene oxide is between 0.025% and 5%;
in the second step S02, the mass ratio 100:1 of tetrabutyl titanate to graphene oxide is between 5: 1.
The volume ratio of the acetic acid to the deionized water in the second step S02 is between 3:10 and 4:5
The first predetermined temperature in step three S03 is between 120 degrees celsius and 260 degrees celsius.
The first predetermined time in step three S03 is between 5 hours and 24 hours.
The second predetermined temperature in step four S04 is between 400 degrees celsius and 700 degrees celsius.
The second predetermined time in step four S04 is between 0.5 hours and 2 hours.
And in the step five S05, the mass ratio of the dispersing agent to the graphene oxide/titanium dioxide composite photocatalyst is 1:2 to 1: 20.
The mass ratio of the film-forming resin to the film-forming cosolvent in the step six S06 is 15: 1-60: 1.
The solids content of the solution in step seven S07 was between 30% and 50%.
Example 3
The film layer comprises the following components: 10g of graphene oxide and titanium dioxide composite photocatalyst; 755w 1g of digao; DLC-F (waterborne polyurethane) 9.5 g; DPM (propylene glycol methyl ether) 0.5 g.
As shown in fig. 1, a specific preparation process of a graphene oxide photocatalytic cleaning mask is as follows:
the method comprises the following steps: weighing 400ml of deionized water and 200ml of absolute ethyl alcohol, and mixing the 400ml of deionized water and 200ml of absolute ethyl alcohol to obtain a mixed solution I; weighing 150mg of graphene oxide, dispersing the graphene oxide into the first mixed solution, and dissolving for 2 hours by ultrasonic to prepare a graphene oxide solution;
step two: weighing 15g of titanium dioxide, adding the titanium dioxide into the graphene oxide solution, magnetically stirring for 2 hours, and then ultrasonically cleaning for 30 minutes to prepare a precursor solution containing titanium and graphene oxide;
step three: pouring the precursor solution into a reaction kettle, carrying out hydrothermal reaction at 200 ℃ for 10 hours, cooling the container after the reaction is finished, removing supernatant, centrifuging for three times, washing the precipitate for multiple times, and drying;
step four: grinding to obtain the graphene oxide and titanium dioxide composite photocatalyst.
As shown in fig. 3, the characterization diffraction pattern of the graphene oxide titanium dioxide composite photocatalyst.
As shown in fig. 4, a scanning electron microscope image of the graphene oxide titanium dioxide composite photocatalyst
Step five: weighing 10g of graphene oxide and titanium dioxide composite photocatalyst, adding into 20g of deionized water, adding 1g of digao 755w, and stirring for 1 hour to obtain a graphene oxide and titanium dioxide composite photocatalyst solution.
Step six: weighing 9.5g of DLC-F and 0.5g of DPM, and mixing and stirring the DLC-F and the DPM until the mixture is uniform to prepare a film forming solution;
step seven: and mixing and stirring the solution of the graphene oxide and titanium dioxide composite photocatalyst and the film forming solution to prepare the coating solution.
Step eight: and adhering the coating solution to the back lining layer by adopting a dipping method to prepare the graphene oxide photocatalytic cleaning mask.
Example 4
The film layer comprises the following components: 10g of graphene oxide and titanium dioxide composite photocatalyst; 755w 1g of digao; DLC-F9.5 g; DPM 0.5 g.
As shown in fig. 4, the specific preparation process is as follows:
the method comprises the following steps: weighing 400ml of deionized water and 200ml of absolute ethyl alcohol, and mixing the 400ml of deionized water and 200ml of absolute ethyl alcohol to obtain a mixed solution I; weighing 750mg of graphene oxide, dispersing the graphene oxide into the first mixed solution, and dissolving for 2 hours by ultrasonic to obtain a graphene oxide solution;
step two: weighing 15g of titanium dioxide, adding the titanium dioxide into the graphene oxide solution, magnetically stirring for 2 hours, and then ultrasonically cleaning for 30 minutes to prepare a precursor solution containing titanium and graphene oxide;
step three: pouring the precursor solution into a reaction kettle, carrying out hydrothermal reaction at 200 ℃ for 10 hours, cooling the container after the reaction is finished, removing supernatant, centrifuging for three times, washing the precipitate for multiple times, and drying;
step four: grinding to obtain the graphene oxide and titanium dioxide composite photocatalyst.
As shown in fig. 3, a characteristic diffraction pattern of the graphene oxide titanium dioxide composite photocatalyst is shown.
Step five: weighing 10g of graphene oxide titanium dioxide composite photocatalyst, adding into 20g of deionized water, adding 1g of digao 755w, and stirring for 1 hour to obtain a graphene oxide titanium dioxide composite solution.
Step six: weighing 9.5g of DLC-F and 0.5g of DPM, and mixing and stirring the DLC-F and the DPM until the mixture is uniform to prepare a film forming solution;
step seven: and mixing and stirring the solution of the graphene oxide and titanium dioxide composite photocatalyst and the film forming solution to prepare the coating solution.
Step eight: and adhering the coating solution to the back lining layer by adopting a dipping method to prepare the graphene oxide photocatalytic cleaning mask.
Example 5
The film layer comprises the following components: 10g of graphene oxide and titanium dioxide composite photocatalyst; 755w 1g of digao; DLC-F9.5 g; DPM 0.5 g.
As shown in fig. 1, the specific preparation process is as follows:
the method comprises the following steps: weighing 400ml of deionized water and 200ml of absolute ethyl alcohol, and mixing the 400ml of deionized water and 200ml of absolute ethyl alcohol to obtain a mixed solution I; weighing 1500mg of graphene oxide, dispersing the graphene oxide into the first mixed solution, and dissolving for 2 hours by ultrasonic to obtain a graphene oxide solution;
step two: weighing 15g of titanium dioxide, adding the titanium dioxide into the graphene oxide solution, magnetically stirring for 2 hours, and then ultrasonically cleaning for 30 minutes to prepare a precursor solution containing titanium and graphene oxide;
step three: pouring the precursor solution into a reaction kettle, carrying out hydrothermal reaction at 200 ℃ for 10 hours, cooling the container after the reaction is finished, removing supernatant, centrifuging for three times, washing the precipitate for multiple times, and drying;
step four: grinding to obtain the graphene oxide and titanium dioxide composite photocatalyst.
As shown in fig. 3, a characteristic diffraction pattern of the graphene oxide titanium dioxide composite photocatalyst is shown.
Step five: weighing 10g of graphene oxide titanium dioxide composite, adding the graphene oxide titanium dioxide composite into 20g of deionized water, adding 1g of digao 755w, and stirring for 1 hour to obtain a graphene oxide titanium dioxide composite photocatalyst solution.
Step six: weighing 9.5g of DLC-F and 0.5g of DPM, and mixing and stirring the DLC-F and the DPM until the mixture is uniform to prepare a film forming solution;
step seven: and mixing and stirring the solution of the graphene oxide and titanium dioxide composite photocatalyst and the film forming solution to prepare the coating solution.
Step eight: and adhering the coating solution to the back lining layer by adopting a dipping method to prepare the graphene oxide photocatalytic cleaning mask.
However, the parameter setting of the embodiment of the present invention is not limited thereto, and those skilled in the art may perform relevant setting according to actual needs.
The application process of the embodiment of the invention is as follows:
the graphene oxide photocatalytic cleaning mask provided by the invention is suitable for being used by people who remove makeup or secrete much grease. When the facial mask is used, the facial mask is applied to the face for a plurality of minutes, the application time of the cleaning facial mask is adjusted according to the amount of facial grease secretion or the thickness degree of makeup, and after the facial grease is decomposed and absorbed by the cleaning facial mask, the facial mask is taken down and the face is cleaned.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The graphene oxide photocatalytic cleaning mask is characterized by comprising a film layer and a back lining layer, wherein the film layer is arranged on the back lining layer;
the film layer comprises a graphene oxide and titanium dioxide composite photocatalyst, a dispersing agent, a film-forming resin and a film-forming cosolvent, and the mass ratio of the components is as follows:
graphene oxide and titanium dioxide composite photocatalyst: 10% -30%;
dispersing agent: 1% -5%;
film-forming resin: 15% -35%;
film-forming cosolvent: 0.5 to 5 percent;
the balance being water.
2. The graphene oxide photocatalytic cleaning mask as claimed in claim 1, wherein the mass ratio of the dispersant to the graphene oxide titanium dioxide composite photocatalyst is: 1:2 to 1: 20.
3. The graphene oxide photocatalytic cleaning mask according to claim 1, wherein the mass ratio of the film-forming resin to the film-forming cosolvent is: 15: 1-60: 1.
4. The graphene oxide photocatalytic cleaning mask according to claim 1, wherein the film-forming resin is an ionic/anionic polycarbonate polyurethane.
5. The graphene oxide photocatalytic cleaning mask as claimed in claim 1, wherein the dispersant is one or more of water-soluble organic polymers.
6. The graphene oxide photocatalytic cleaning mask as claimed in claim 1, wherein the film forming cosolvent is one or more of propylene glycol butyl ether, dipropylene glycol methyl ether and propylene glycol methyl ether acetate.
7. A preparation method of a graphene oxide and titanium dioxide composite photocatalyst, which is characterized in that the preparation method of the graphene oxide and titanium dioxide composite photocatalyst as described in claim 1 comprises the following steps:
the method comprises the following steps: mixing deionized water and absolute ethyl alcohol to obtain a mixed solution I; dispersing graphene oxide into the first mixed solution, and uniformly dissolving the graphene oxide by ultrasonic waves to obtain a graphene oxide solution;
step two: adding a titanium-containing substance into the graphene oxide solution, stirring, sequentially adding acid and deionized water after uniformly stirring, and continuously stirring until uniform to prepare a precursor solution containing titanium and graphene oxide;
step three: pouring the precursor solution into a reaction kettle, keeping the first preset temperature for the first preset time, cooling the container after the reaction is finished, removing supernatant, centrifuging, washing the precipitate for multiple times, and drying to obtain an initial product;
step four: and grinding the primary product to obtain the graphene oxide and titanium dioxide composite photocatalyst.
8. The method for preparing a graphene oxide titanium dioxide composite photocatalyst as claimed in claim 7, further comprising the steps of: and putting the composite photocatalyst into a muffle furnace or an oven, keeping the second preset temperature, and continuing for the second preset time to obtain the graphene oxide and titanium dioxide composite photocatalyst.
9. The method for preparing a graphene oxide and titanium dioxide composite photocatalyst as claimed in claim 8, wherein the first predetermined temperature is: 120-260 ℃, and the second preset temperature is as follows: 400-700 ℃; the first preset time is as follows: 5 h-24 h, wherein the second preset time is as follows: 0.5-2 h.
10. The preparation method of the graphene oxide photocatalytic cleaning mask is characterized by preparing the graphene oxide photocatalytic cleaning mask according to claim 1, wherein the preparation method comprises the step of preparing the graphene oxide titanium dioxide composite photocatalyst according to claim 7 or 8, and the preparation method further comprises the following steps:
step five: adding the graphene oxide and titanium dioxide composite photocatalyst into deionized water, then adding the dispersing agent, and uniformly stirring to obtain a graphene oxide and titanium dioxide composite photocatalyst solution;
step six: mixing the film-forming resin and the film-forming cosolvent, and stirring the mixture until the mixture is uniform to prepare a film-forming solution;
step seven: mixing and stirring the graphene oxide and titanium dioxide composite photocatalyst solution and the film forming solution to prepare a coating solution;
step eight: and (3) attaching the coating solution to the back lining layer by adopting a coating, printing or dipping method to prepare the graphene oxide photocatalytic cleaning mask.
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| CN108567578A (en) * | 2018-07-25 | 2018-09-25 | 四川大学 | It is used to prepare the lotion and preparation method thereof of facial mask |
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| CN106799219A (en) * | 2016-12-22 | 2017-06-06 | 南昌航空大学 | A kind of preparation method of titania nanoparticles/Graphene composite photocatalyst material |
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