CN111840597A - Sterilization method of self-driven deep ultraviolet sterilization material - Google Patents
Sterilization method of self-driven deep ultraviolet sterilization material Download PDFInfo
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- CN111840597A CN111840597A CN202010536398.6A CN202010536398A CN111840597A CN 111840597 A CN111840597 A CN 111840597A CN 202010536398 A CN202010536398 A CN 202010536398A CN 111840597 A CN111840597 A CN 111840597A
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- sterilization
- blue light
- deep ultraviolet
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultra-violet radiation
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/58—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing copper, silver or gold
- C09K11/582—Chalcogenides
- C09K11/584—Chalcogenides with zinc or cadmium
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/778—Borates
Abstract
The invention relates to a sterilization method of a self-driven deep ultraviolet sterilization material. The deep ultraviolet sterilization material is formed by uniformly doping a blue light electroluminescent material and an up-conversion fluorescent material in a friction power generation material, coating the materials in an application product to form a film structure and curing. At the moment that the film is subjected to friction, stretching, compression or kneading deformation under the action of external force, the friction power generation material generates charges through friction, the blue light electroluminescent material is excited to emit blue light, the blue light is further excited to generate the deep ultraviolet with the wavelength of 200-290nm and the sterilization effect, and the sterilization effect is also realized under the irradiation of daily sunlight and illumination lamp light. The sterilization material of the invention has simple preparation method, and can be widely applied to medical care, environmental management and equipment self-cleaning.
Description
Technical Field
The invention relates to the field of ultraviolet sterilization, in particular to a self-driven ultraviolet sterilization technology in medical care, environmental management and self-cleaning equipment, and specifically relates to a sterilization method of a self-driven deep ultraviolet sterilization material.
Background
Nowadays, the ecosystem of human beings is continuously damaged to cause environmental problems, and the spread of a large amount of bacteria and viruses makes the contradiction between human beings and nature increasingly sharp, and the current situation gradually threatens the health of human beings, so that the sterilization and disinfection become more urgent in production and life.
The ultraviolet range of 200-280nm can be effectively absorbed by DNA and RNA of microorganisms, thereby causing covalent connection between nucleic acid components to generate a plurality of transcription-inhibiting photoproducts, and the effective sterilization and disinfection can be carried out under the condition of not involving chemical reagents and chemical pollution.
The self-driven deep ultraviolet sterilization material and the sterilization method are obtained by effectively applying the friction light-emitting structure to the technology of generating ultraviolet, and can be widely applied to medical care, environmental management and equipment self-cleaning.
Disclosure of Invention
The invention aims to provide a sterilization method of a self-driven deep ultraviolet sterilization material, which is simple in preparation method and can be widely applied to medical care, environmental management and equipment self-cleaning.
In order to achieve the purpose, the technical scheme of the invention is as follows: a sterilization method of a self-driven deep ultraviolet sterilization material is characterized in that three materials, namely a friction power generation material, a blue light electroluminescence material and an up-conversion fluorescent material, are uniformly mixed in proportion to form the sterilization material, and the sterilization material is applied to a product coated with the self-driven deep ultraviolet sterilization material, and the sterilization method comprises the following steps:
(1) When the product is used, electric charges are generated by intentionally and unintentionally rubbing, stretching, compressing and kneading, the blue light electroluminescent material is excited to emit blue light, and the up-conversion fluorescent material emits deep ultraviolet rays under the irradiation of the blue light to sterilize;
(2) in the using process of the product, the product is intentionally and unintentionally irradiated by blue light in the illuminating light, so that the up-conversion fluorescent material emits deep ultraviolet rays for sterilization;
(3) when the product is used, blue light in sunlight is intentionally and unintentionally irradiated on the product, so that the up-conversion fluorescent material emits deep ultraviolet rays to sterilize.
In an embodiment of the present invention, the steps (1), (2) and (3) can be performed synchronously.
In an embodiment of the present invention, the product may be additionally irradiated with blue light according to the requirement of the sterilization dose.
In an embodiment of the invention, the ratio of the mass of the friction power generation material to the total mass of the blue light electroluminescent material and the up-conversion fluorescent material is more than or equal to 1: 5.
In an embodiment of the invention, the mass ratio of the blue electroluminescent material to the upconversion fluorescent material is greater than or equal to 1: 10.
In an embodiment of the present invention, the blue light electroluminescent material is a material capable of emitting blue light with a wavelength range of 420-470nm under the action of voltage, and includes rare earth inorganic substance ZnS: ag. CaWO 4、Y2SiO5:Ce、Nal:Tl、BaMg2Al16O27：Eu。
In an embodiment of the present invention, the upconversion fluorescent material is a material capable of emitting deep ultraviolet with a wavelength range of 200-290nm under the action of blue light, and is included in the YBO3、LuBO3、LaBO3、YPO4、LuPO4、LaPO4、LiYF4、NaYF4、CsNaYF6And Y2SiO5Pr in materials3+And (4) doping.
In an embodiment of the invention, the friction power generation material includes PDMS, PMMA, PET, PE, PS, PI, ABS.
Compared with the prior art, the invention has the following beneficial effects: the sterilization material has simple preparation process and low cost, and can be prepared in large batch; the sterilization material can realize self-driven sterilization when being applied to products, and can be widely applied to medical care, environmental management and equipment self-cleaning.
Drawings
FIG. 1 is a schematic view of a method for sterilizing a self-driven deep ultraviolet sterilizing material according to the present invention.
FIG. 2 is a schematic diagram of a process of generating deep ultraviolet light in a self-driven deep ultraviolet germicidal material under a stretching deformation condition.
FIG. 3 is a schematic view of a process of applying a self-driven deep ultraviolet sterilization material to clothes, which generates deep ultraviolet when the clothes are bent and deformed.
In the figure, 01, 101-friction electricity generating material, 02, 102-blue light electroluminescent material, 03, 103-up-conversion fluorescent material, 04, 104-positive charge, 05, 105-negative charge, 06, 106-blue light, 07, 107-deep ultraviolet.
Detailed Description
For further understanding of the features and technical content of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and detailed embodiments, which are provided for reference only and are not intended to limit the present invention.
The invention aims to provide a sterilization method of a self-driven deep ultraviolet sterilization material, as shown in figure 1, the deep ultraviolet sterilization material comprises a friction power generation material 01 as a matrix material, a blue light electroluminescent material 02 and an up-conversion fluorescent material 03, the three materials are uniformly mixed and coated on an application product according to a certain proportion, positive charges 04 and negative charges 05 generated by the friction power generation material under the condition of deformation in the using process of the product excite blue light 06 emitted by the blue light electroluminescent material, and then the blue light excites deep ultraviolet 07 emitted by the up-conversion fluorescent material;
the product coated with the deep ultraviolet sterilizing material is sterilized by the following method:
(1) when the product is used, electric charges are generated by intentional and unintentional friction, stretching, compression and kneading to excite the blue light electroluminescent material to emit blue light, and then the up-conversion fluorescent material emits deep ultraviolet rays under the irradiation of the blue light for sterilization;
(2) In the using process of the product, the product is intentionally and unintentionally irradiated by blue light in the illuminating light, so that the up-conversion fluorescent material emits deep ultraviolet rays for sterilization;
(3) in the using process of the product, the product is intentionally and unintentionally irradiated by blue light in the illuminating light, so that the up-conversion fluorescent material emits deep ultraviolet rays for sterilization;
further, the 3 deep ultraviolet sterilization processes of (1), (2) and (3) can be spontaneously and synchronously performed.
Further, the product can be subjected to additional blue light irradiation according to the requirement of the sterilization dose.
Further, the ratio of the mass of the friction power generation material to the total mass of the blue light electroluminescent material and the up-conversion fluorescent material is not less than 1: 5.
Further, the mass ratio of the blue light electroluminescent material to the upconversion fluorescent material is not less than 1: 10.
Further, the blue light electroluminescent material can emit blue light with the wavelength range of 420-470nm under the action of voltage, and mainly comprises rare earth inorganic substances ZnS: ag. CaWO4、Y2SiO5:Ce、Nal:Tl、BaMg2Al16O27: eu, blue light wavelength range is 420-.
Furthermore, the up-conversion fluorescent material is a material which can emit deep ultraviolet with the wavelength range of 200-290nm under the action of blue light and mainly comprises YBO 3、LuBO3、LaBO3、YPO4、LuPO4、LaPO4、LiYF4、NaYF4、CsNaYF6And Y2SiO5Pr in materials3+And (4) doping.
Further, the friction power generation material includes PDMS (polydimethylsiloxane), PMMA (polymethyl methacrylate), PET (poly terephthalic acid), PE (polyethylene), PS (polystyrene), PI (polyimide), ABS (thermoplastic resin).
In order to make the object and technical solution of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not closely related to the present invention are omitted, and the following are specific embodiments of the present invention.
The preparation method of the self-driven deep ultraviolet sterilization material comprises the following steps:
taking 10g of Polydimethylsiloxane (PDMS) prepolymer and 1g of a curing agent as the friction power generating material 101, which is also a matrix material, and taking 5g of ZnS: ag is used as a blue light electroluminescent material 102, and 1g of Ag is doped with Pr3+YBO (Yttrium barium copper oxide)3An up-conversion fluorescent material 103, which is prepared by uniformly mixing the three materials, coating the mixture on clothes, and heating the mixture for 1 hour at 90 ℃ for curing;
As shown in fig. 2, the self-driven deep ultraviolet sterilization structure emits deep ultraviolet at the moment of deformation caused by stretching by an external force, and the sterilization principle is the same as the process shown in fig. 3; as shown in fig. 3, in the clothes coated with the mixed material, at the moment when the bending deformation is generated by kneading, positive charges 104 and negative charges 105 are generated at the deformation position of the film formed by the mixed material, and the positive charges and the negative charges are separated to generate voltage, so that ZnS: the Ag blue electroluminescent material 102 emits blue light 106, and is doped with Pr under the irradiation of the blue light 1063+YBO (Yttrium barium copper oxide)3The up-conversion fluorescent material emits 200-290nm deep ultraviolet 107, which can kill bacteria, viruses and other microorganisms on the surface of clothes;
during use of the garment, the blue light in the illumination light 108 illuminatesDoping Pr3+YBO (Yttrium barium copper oxide)3The upconversion fluorescent material 102 can emit deep ultraviolet rays 107 for sterilization;
the Pr doping of the clothing is due to the blue light irradiation in the sunlight 109 during the use process3+YBO (Yttrium barium copper oxide)3The upconversion fluorescent material emits deep ultraviolet 107 to sterilize;
if the amount of the sterilizing agent needs to be increased, additional blue light irradiation can be carried out on the clothes. The garment in the embodiment is only an application product of the self-driven deep ultraviolet sterilization device, and is not limited, and the self-driven deep ultraviolet sterilization device can be widely applied to medical care, environmental management and self-cleaning of equipment.
The above are preferred embodiments of the present invention, and all changes made according to the technical scheme of the present invention that produce functional effects do not exceed the scope of the technical scheme of the present invention belong to the protection scope of the present invention.
Claims (8)
1. A sterilization method of a self-driven deep ultraviolet sterilization material is characterized in that three materials, namely a friction power generation material, a blue light electroluminescence material and an up-conversion fluorescent material, are uniformly mixed in proportion to form the sterilization material, and the sterilization material is applied to a product coated with the self-driven deep ultraviolet sterilization material, and the sterilization method comprises the following steps:
(1) when the product is used, electric charges are generated by intentionally and unintentionally rubbing, stretching, compressing and kneading, the blue light electroluminescent material is excited to emit blue light, and the up-conversion fluorescent material emits deep ultraviolet rays under the irradiation of the blue light to sterilize;
(2) in the using process of the product, the product is intentionally and unintentionally irradiated by blue light in the illuminating light, so that the up-conversion fluorescent material emits deep ultraviolet rays for sterilization;
(3) when the product is used, blue light in sunlight is intentionally and unintentionally irradiated on the product, so that the up-conversion fluorescent material emits deep ultraviolet rays to sterilize.
2. The method for sterilizing self-propelled deep ultraviolet sterilization material as recited in claim 1, wherein the steps (1), (2) and (3) are performed simultaneously.
3. The method for sterilizing self-propelled deep ultraviolet sterilization material as recited in claim 1 or 2, wherein additional blue light irradiation is performed on the product according to the sterilization dosage requirement.
4. The method for sterilizing the self-driven deep ultraviolet sterilizing material as claimed in claim 1, wherein the ratio of the mass of the friction power generation material to the total mass of the blue light electroluminescent material and the up-conversion fluorescent material is more than or equal to 1: 5.
5. The sterilization method of the self-driven deep ultraviolet sterilization material according to claim 1 or 4, wherein the mass ratio of the blue light electroluminescent material to the up-conversion fluorescent material is greater than or equal to 1: 10.
6. The method as claimed in claim 1, wherein the blue electroluminescent material is a material capable of emitting blue light with a wavelength range of 420-470nm under voltage, and comprises the following rare earth minerals ZnS: ag. CaWO4、Y2SiO5:Ce、Nal:Tl、BaMg2Al16O27：Eu。
7. The method as claimed in claim 1, wherein the upconversion fluorescent material emits deep ultraviolet light with a wavelength of 200-290nm under blue light, and is included in YBO 3、LuBO3、LaBO3、YPO4、LuPO4、LaPO4、LiYF4、NaYF4、CsNaYF6And Y2SiO5Pr in materials3+And (4) doping.
8. The method for sterilizing self-driven deep ultraviolet sterilization material as recited in claim 1, wherein the friction power generation material comprises PDMS, PMMA, PET, PE, PS, PI, ABS.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010536398.6A CN111840597A (en) | 2020-06-12 | 2020-06-12 | Sterilization method of self-driven deep ultraviolet sterilization material |
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| CN202010536398.6A CN111840597A (en) | 2020-06-12 | 2020-06-12 | Sterilization method of self-driven deep ultraviolet sterilization material |
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| CN115029001A (en) * | 2022-05-27 | 2022-09-09 | 山东大学 | Deep ultraviolet up-conversion luminescent film, deep ultraviolet light source, preparation method and application thereof |
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Application publication date: 20201030 |