CN115136956A - Long-acting self-sterilizing disinfectant for surfaces and preparation method and application thereof - Google Patents

Long-acting self-sterilizing disinfectant for surfaces and preparation method and application thereof Download PDF

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Publication number
CN115136956A
CN115136956A CN202210680230.1A CN202210680230A CN115136956A CN 115136956 A CN115136956 A CN 115136956A CN 202210680230 A CN202210680230 A CN 202210680230A CN 115136956 A CN115136956 A CN 115136956A
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long
disinfectant
acting self
self
acting
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刘洪均
袁奇炜
曹飞平
张瑾
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Tigas Medical Equipment Chongqing Co ltd
Zhejiang Jingxin New Material Technology Co ltd
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Tigas Medical Equipment Chongqing Co ltd
Zhejiang Jingxin New Material Technology Co ltd
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Publication of CN115136956A publication Critical patent/CN115136956A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/02—Acyclic compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • A01N59/20—Copper
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/26—Phosphorus; Compounds thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention discloses a long-acting self-sterilizing disinfectant for surfaces, a preparation method and application thereof, wherein the long-acting self-sterilizing disinfectant for surfaces comprises the following components in percentage by weight: 85% -98% of alcohol; 0.5 to 5 percent of binder; 0.5 to 10 percent of solid sterilizing material; 0.1 to 1 percent of auxiliary agent. The long-acting self-sterilizing disinfectant for the object surface can effectively sterilize the surfaces of objects such as air conditioners and the like, and even after alcohol volatilizes, a sprayed area still has self-sterilizing capability, and the service life of the self-sterilizing capability is not less than 1 year.

Description

Long-acting self-sterilizing disinfectant for surfaces and preparation method and application thereof
Technical Field
The invention relates to the technical field of disinfectant on the surface of an object, in particular to a long-acting self-sterilizing disinfectant on the surface of the object, a preparation method and application thereof.
Background
Researches show that some viruses can survive for 5 days on the surface of a smooth object, so daily cleaning and killing are very important. Meanwhile, taking an air conditioner as an example, a central air conditioning ventilation system needs to be strictly cleaned and disinfected to prevent cross contamination caused by return air.
On the other hand, the cleaning regulation and sanitation management regulations of the centralized air-conditioning ventilation system in the public place are stipulated in plain text: after the air conditioner is cleaned and sterilized, the removal rate of the total number of bacteria and the total number of fungi is not lower than 90 percent; according to relevant department regulations: the ventilation of office places and public places must be kept, the cleaning and disinfection operation must be carried out every week by opening the air conditioner according to relevant regulations, and the air conditioner can be put into use after being detected to be qualified.
However, the conventional disinfection technologies, including alcohol, chlorine-containing compounds, hydrogen peroxide and the like, have only one-time disinfection capability, and the disinfection capability disappears after the disinfectant volatilizes.
Therefore, the existing object surface disinfection technology still needs to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a long-acting self-sterilizing disinfectant for surfaces, a preparation method and application thereof, and aims to solve the problem that the existing disinfectant for surfaces only has one-time sterilizing capability, and the sterilizing capability disappears after the disinfectant is volatilized.
In order to solve the above technical problems, the technical solution adopted by the present invention to solve the above technical problems is as follows:
a long acting self-sterilizer surface disinfectant comprising, in weight percent:
85% -98% of alcohol;
0.5 to 5 percent of binder;
0.5 to 10 percent of solid killing material;
0.1 to 1 percent of auxiliary agent.
The long-acting self-disinfectant surface disinfectant is characterized in that the alcohol is alcohol with the volume fraction of not less than 75%.
The long-acting self-sterilizer surface disinfectant is characterized in that the binder is at least one of PVA and PVB.
The long-acting self-sterilizer surface disinfectant is characterized in that the solid sterilizing material is one or more of a piezoelectric catalytic material, nano silver particles, a visible light catalytic material, cuprous oxide, a guanidine disinfectant, quaternary ammonium salts and sodium persulfate.
The long-acting self-disinfectant surface disinfectant comprises a piezoelectric catalytic material CuO, znO and BaTiO 3 、MoS 2 One or more of (a).
The long-acting self-disinfectant surface disinfectant is characterized in that the visible light catalytic material is WO 3 、Ag 3 PO 4 、 BiVO 4 、g-C 3 N 4 Black TiO 2 2 、Bi 2 WO 6 、Bi 2 MoO 6 One or more of (a).
The long-acting self-disinfectant surface disinfectant is characterized in that the auxiliary agent is a dispersing agent.
The long-acting self-disinfectant surface disinfectant is characterized in that the auxiliary agent is sodium metaphosphate.
A method of preparing a long acting self-disinfecting surface disinfectant according to the above aspect of the present invention, comprising the steps of:
adding a binder into alcohol, and stirring for dissolving;
adding solid sterilizing material, stirring to disperse completely, and packaging to obtain the long-acting self-sterilizing surface disinfectant.
Use of a long acting self-disinfecting agent according to the above aspect of the invention for disinfecting a surface of an object.
Has the advantages that: the invention discloses a long-acting self-sterilizing disinfectant for surfaces, a preparation method and application thereof, wherein the long-acting self-sterilizing disinfectant for surfaces comprises the following components in percentage by weight: 85% -98% of alcohol; 0.5 to 5 percent of binder; 0.5 to 10 percent of solid sterilizing material; 0.1 to 1 percent of auxiliary agent. The long-acting self-sterilizing disinfectant for the object surface can effectively sterilize the surfaces of objects such as air conditioners and the like, and even after alcohol volatilizes, a sprayed area still has self-sterilizing capability, and the service life of the self-sterilizing capability is not less than 1 year.
Drawings
FIG. 1 is a flow chart of an embodiment of a method for preparing a long acting self-sterilizer surface disinfectant provided by an embodiment of the present invention;
FIG. 2 is an electron microscope image of the copper oxide-zinc oxide composite piezoelectric catalytic material prepared in example 1 of the present invention;
FIG. 3 is a diagram showing the long-acting self-sterilizer surface disinfectant prepared in example 2 of the present invention sprayed on a nylon filter screen of an air conditioner;
FIG. 4 is a table of the detection report of the anti-human coronavirus effect of the long-acting self-sterilizer surface disinfectant prepared in example 2 sprayed on an air-conditioning nylon filter according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Also taking an air conditioner as an example, the current conventional object surface disinfection technologies, including alcohol, chlorine-containing compounds, hydrogen peroxide and the like, have only one-time disinfection capability, and the disinfection capability disappears after the disinfectant volatilizes.
In order to solve the problems in the prior art, the invention provides a long-acting self-sterilizing disinfectant for a surface, wherein the long-acting self-sterilizing disinfectant comprises the following components in percentage by weight:
85% -98% of alcohol;
0.5 to 5 percent of binder;
0.5 to 10 percent of solid sterilizing material;
0.1 to 1 percent of auxiliary agent.
In the invention, alcohol is used as a carrier of the adhesive and the solid sterilizing material, the toxic agent can be effectively sterilized after being sprayed on an air conditioner filter screen, a cover plate and an air pipe, the solid sterilizing material is adhered to the surface of the air conditioner by the adhesive after the alcohol is volatilized, and the solid sterilizing material in the formula can sterilize the periphery of the air conditioner at a certain distance, so that the sprayed area has self-sterilizing capability, the service life of the self-sterilizing capability is not less than 1 year, and the alcohol has sterilizing capability besides being used as the carrier and can also have sterilizing capability for a period of time when the disinfectant is sprayed on the air conditioner filter screen, the cover plate and the air pipe.
In some embodiments, the alcohol is alcohol with a volume fraction of not less than 75%, and the disinfection capacity of the disinfectant on the surface of an object such as an air conditioner can be greatly improved by selecting alcohol with a volume fraction of not less than 75%.
In some embodiments, the binder is at least one of PVA (polyvinyl alcohol), PVB (polyvinyl butyral).
PVB is preferred as the adhesive in this embodiment, primarily to provide adhesion to the conditioned surface, and to allow the solid disinfecting material to adhere to the conditioned surface through the adhesive, even if the alcohol in the disinfecting material evaporates, to continue to maintain the self-disinfecting ability of the area being sprayed.
In some embodiments, the solid biocidal material is one or more of a piezoelectric catalytic material, nano-silver particles, a visible light catalytic material, cuprous oxide.
In some embodiments, the piezoelectric catalytic material is CuO, znO, baTiO 3 、MoS 2 One or more of (a).
The piezoelectric catalysis is to utilize mechanical energy captured by a piezoelectric material to drive surface catalytic chemical reaction, and active oxygen components (ROS) generated by the piezoelectric catalysis can kill bacteria and degrade organic matters.
In some embodiments, the visible light catalytic material is WO 3 、Ag 3 PO 4 、BiVO 4 、g-C 3 N 4 Black TiO 2 2 、Bi 2 WO 6 、Bi 2 MoO 6 One or more of (a).
In some embodiments, the solid disinfecting material further comprises a guanidine disinfectant, quaternary ammonium salts, sodium persulfate, and the like.
In some embodiments, the auxiliary agent is a dispersing agent, and the components of the disinfectant can be mixed more uniformly by adding the dispersing agent into the formula, so that the disinfection range and the disinfection effect of the disinfectant can be more uniform.
In some preferred embodiments, the adjuvant is sodium metaphosphate.
The present invention also provides a method for preparing the long-acting disinfectant for surfaces, as shown in fig. 1, comprising the steps of:
s100, adding a binder into alcohol, and stirring for dissolving;
s200, adding a solid sterilizing material, stirring until the solid sterilizing material is completely dispersed, and packaging to obtain the long-acting self-sterilizing object surface disinfectant.
The long-acting self-sterilizing disinfectant for surfaces of objects such as air conditioners, air purifiers, fans and the like is applied to the disinfection of the surfaces of the objects, and particularly, taking the air conditioners as an example, when the long-acting self-sterilizing disinfectant is used, the disinfectant is sprayed on filter screens, cover plates and air pipes of the air conditioners to disinfect the air conditioners.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is clear that the described embodiments are only a part of the embodiments of the invention, not all embodiments, merely intended to illustrate the invention and in no way limit it. 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.
Example 1 preparation of solid disinfectant materials:
the solid killing material in the embodiment is a copper oxide and zinc oxide composite piezoelectric catalytic material, and the specific preparation method comprises the following steps: heating 2L of 36mg/ml sodium hydroxide solution to 45 ℃, adding 80g potassium petroleum sulfonate, and stirring to dissolve uniformly. 2L of copper-zinc solution containing 60mg/ml copper sulfate and 60mg/ml zinc sulfate is prepared. Slowly dripping the copper-zinc solution into a sodium hydroxide solution containing sodium dodecyl benzene sulfonate for about 1h. The pH of the solution after final dropwise addition was adjusted to neutral. The temperature is increased to 95 ℃ for reaction for 0.5h. And (4) repeatedly centrifuging, cleaning and airing the reaction product to obtain the copper oxide and zinc oxide composite piezoelectric catalytic material.
An electron microscope picture of the prepared copper oxide and zinc oxide composite piezoelectric catalytic material is shown in fig. 2, and as can be seen from fig. 2, copper oxide and zinc oxide in the prepared copper oxide and zinc oxide composite piezoelectric self-killing material have a columnar needle-shaped composite heterojunction structure, wherein the copper oxide shows a columnar structure, and the zinc oxide shows a needle-shaped structure.
Example 2 preparation of long acting self-disinfecting surface disinfectant:
3g of PVB powder is dissolved in 100ml of 75% alcohol, stirred for about 30min to be completely dissolved, 2g of the copper oxide and zinc oxide composite piezoelectric catalytic material prepared in the example 1 is added, stirring is continued for 15 min until the material is completely dispersed, and packaging is carried out to obtain the long-acting suicide surface disinfectant.
Example 3 verification of the self-killing ability of long-acting self-disinfectant surface disinfectants after spraying:
the long-acting self-sterilizer surface disinfectant prepared in example 2 was sprayed onto a nylon air conditioning screen and left to air dry at room temperature. And then, testing the self-killing capacity of the nylon air conditioner filter screen by adopting a bacteriostatic zone experiment. Firstly, taking the culture solution of Escherichia coli (about 1.0X 10) 6 CFU/ml) was coated on a nutrient agar plate, 2 pieces of sprayed nylon air-conditioning nets were placed on the plate, placed in an incubator for 24 hours without any treatment in the dark, and taken out to measure the zone of inhibition to be about 1.0cm.
Referring to fig. 3, it can be seen from fig. 3 that the sprayed nylon air conditioning net can generate a self-sterilizing function to the periphery of the material.
Example 4 long-acting self-disinfecting ability test of long-acting self-disinfecting surface disinfectant:
the long-acting disinfectant for self-disinfecting surfaces prepared in example 2 was tested by a third-party testing facility (e.g., zhongying quality control science and technology Co., ltd.) according to the "Disinfection specification" (2002 edition), and samples were submitted for testingArticle (1)
Figure RE-GDA0003822778760000041
Object surface disinfectant, lot number 15220001) has a pH value average value of 8.17, the ethanol content detected by gas chromatography is 77.1%, and after the object surface disinfectant is stored in a constant temperature and humidity box at 54 ℃ for 14 days, the ethanol content of a sample to be detected is 75.2%, the reduction rate is 2.5%, the test result meets the requirements of disinfection technical specification (2002 edition), and the storage period of the product can be 1 year.
The test results show that the samples to be tested (
Figure RE-GDA0003822778760000051
The disinfectant on the object surface has the batch number of 15220001) has no corrosion to stainless steel basically, has moderate corrosion to carbon steel and has no corrosion to aluminum and copper basically; the average killing log value of staphylococcus aureus is more than or equal to 5.00, the average killing log value of escherichia coli is more than or equal to 5.00, the average killing log value of pseudomonas aeruginosa is more than or equal to 5.00, the average killing log value of candida albicans is more than or equal to 4.00, the average killing log value of escherichia coli on the surface of an artificially infected object is more than or equal to 3.00, the related requirements of disinfection technical specifications (2002 edition) are met, and the disinfection is qualified; the D/E neutralization broth neutralizing agent and the product can effectively neutralize the inhibitory effect of a detected sample on staphylococcus aureus or candida albicans, and have no influence on the growth and culture of a tested bacterium (staphylococcus aureus or candida albicans).
In addition, toxicological experiments show that the samples to be tested (
Figure RE-GDA0003822778760000052
Object surface disinfectant, batch No. 15220001) is actually nontoxic by adopting an oral toxicity test, is nonirritant by adopting a rabbit one-time complete skin irritation test, is negative by adopting an oral gavage 30h contamination method and adopting a mouse bone marrow pleochromocyte micronucleus test, meets the relevant requirements of disinfection technical specification (2002 edition), and is nontoxic and nonirritant.
Example 5 anti-human coronavirus testing of long-acting self-disinfectant surface disinfectants:
the long-acting self-disinfectant surface disinfectant configured in example 2, entrusted to a third party testing facility (e.g., feifen Standard technology services, suzhou) for antiviral activity test HCoV-229E according to and method of ISO 18184
Figure RE-GDA0003822778760000053
Placing the air conditioner filter screen sprayed with the long-acting object surface disinfectant (batch No. 15220001) in a constant temperature box with the temperature of 54 ℃ and the relative humidity of more than 75% for baking for 14 days (equivalent aging for 1 year) to obtain a detection sample, and respectively determining the content of the effective sterilization components of the disinfectant before and after the placement, wherein as shown in figure 4, the number of the detection samples is three each time, each batch of samples is repeatedly measured twice, and the average value is taken; the test results show that the high-temperature-resistant steel,
Figure RE-GDA0003822778760000054
the long-acting disinfectant has antiviral activity rate higher than 99%.
In summary, the invention discloses a long-acting self-disinfecting disinfectant for surfaces, which comprises the following components in percentage by weight: 75% -85% -98% of alcohol; 0.5% -1% -2% -5% of binder; 0.5 to 1 to 5 to 10 percent of solid killing material; 0.1 to 0.5 to 1 percent of auxiliary agent. The long-acting disinfectant for the surfaces of the objects such as an air conditioner, an air purifier, a fan and the like can be effectively disinfected, even after alcohol is volatilized, the sprayed area still has the self-disinfecting capability, and the service life of the self-disinfecting capability is not less than 1 year.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A long acting self-disinfecting surface disinfectant comprising, in weight percent:
85% -98% of alcohol;
0.5 to 5 percent of binder;
0.5 to 10 percent of solid sterilizing material;
0.1 to 1 percent of auxiliary agent.
2. The long acting self-sterilizer surface disinfectant according to claim 1, wherein said alcohol is an alcohol with a volume fraction of not less than 75%.
3. The long-acting self-sterilizer surface disinfectant according to claim 1, wherein said binder is at least one of PVA, PVB.
4. The long-acting self-sterilizer surface disinfectant according to claim 1, wherein the solid disinfectant material is one or more of a piezoelectric catalytic material, nano silver particles, visible light catalytic material, cuprous oxide, guanidine disinfectant, quaternary ammonium salt, sodium persulfate.
5. The long-acting self-sterilizer surface disinfectant of claim 4, wherein said piezoelectric catalytic material is CuO, znO, baTiO 3 、MoS 2 One or more of (a).
6. The long-acting self-sterilizer surface disinfectant according to claim 4, wherein said visible photocatalytic material is WO 3 、Ag 3 PO 4 、BiVO 4 、g-C 3 N 4 Black TiO 2 2 、Bi 2 WO 6 、Bi 2 MoO 6 One or more of (a).
7. The long-acting self-disinfecting surface disinfectant according to claim 1, wherein said adjuvant is a dispersant.
8. The long-acting self-disinfecting surface disinfectant according to claim 7, wherein said adjuvant is sodium metaphosphate.
9. A method of preparing a long acting suicide surface disinfectant as claimed in any one of claims 1 to 8 comprising the steps of:
adding a binder into alcohol, and stirring for dissolving;
adding solid sterilizing material, stirring to disperse completely, and packaging to obtain the long-acting self-sterilizing surface disinfectant.
10. Use of a long-acting self-disinfecting surface disinfectant as claimed in any one of claims 1 to 8 for disinfecting a surface of an object.
CN202210680230.1A 2022-06-16 2022-06-16 Long-acting self-sterilizing disinfectant for surfaces and preparation method and application thereof Pending CN115136956A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116675354A (en) * 2022-10-28 2023-09-01 浙江净昕新材料科技有限公司 Water friction polarization method, device and scale inhibition and removal efficiency thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106455553A (en) * 2014-09-19 2017-02-22 香港科技大学 Antimicrobial coating for long-term disinfection of surfaces
CN114177910A (en) * 2021-11-08 2022-03-15 深圳净昕环境健康技术有限公司 Copper oxide and zinc oxide composite piezoelectric photocatalytic material and preparation method and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106455553A (en) * 2014-09-19 2017-02-22 香港科技大学 Antimicrobial coating for long-term disinfection of surfaces
CN114177910A (en) * 2021-11-08 2022-03-15 深圳净昕环境健康技术有限公司 Copper oxide and zinc oxide composite piezoelectric photocatalytic material and preparation method and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116675354A (en) * 2022-10-28 2023-09-01 浙江净昕新材料科技有限公司 Water friction polarization method, device and scale inhibition and removal efficiency thereof
CN116675354B (en) * 2022-10-28 2024-04-09 浙江净昕新材料科技有限公司 Water friction polarization method, device and scale inhibition and removal efficiency thereof

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