CN106538583A - Long-acting disinfection bactericidal composition, its coating process and the renovation process for coating - Google Patents
Long-acting disinfection bactericidal composition, its coating process and the renovation process for coating Download PDFInfo
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- CN106538583A CN106538583A CN201610923330.7A CN201610923330A CN106538583A CN 106538583 A CN106538583 A CN 106538583A CN 201610923330 A CN201610923330 A CN 201610923330A CN 106538583 A CN106538583 A CN 106538583A
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
- A01N47/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
- A01N47/44—Guanidine; Derivatives thereof
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- Life Sciences & Earth Sciences (AREA)
- Plant Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Pest Control & Pesticides (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of long-acting disinfection bactericidal composition, said composition is the collosol and gel coating fluid that antimicrobial membranes are formed in substrate surface, compositionss include antibacterial, bonding agent, firming agent, stabilizer, solvent and water, antibacterial is made to be linked to substrate surface by the bonding agent, after coating is applied to substrate, stabilizer and solvent can volatilize, and make bonding agent film forming by firming agent, adjust the thickness of film by the concentration and consumption of solvent；Antibacterial is poly- guanidine, poly- guanidinesalt or its mixing salt, bonding agent be organosilicon or organosilicon with based on the coating using and function come the organic molecule that adds.Even invention significantly improves the Biocide of the Biocide sustainable time for acting on substrate and antimicrobial effect very small part.
Description
Technical field
The present invention relates to the coating fluid for being applied to substrate surface can be formed be covered in the antimicrobial colloidal sol of substrate surface-
Gel coat.Additionally, the present invention relates to being used to form the method on antimicrobial colloidal sol-gel coat to substrate, Yi Jiyong
In the method for the antimicrobial acivity of the coating of regeneration substrate surface.
Background technology
Various thing table cleanings and formation top coat are so that have antimicrobial effect to be convenient and weigh very much
Want, for example hospital, food industry, popular food and beverage sevice and in fields such as different communal facilitys.In the past, it is easy to clean table
Face is all the coating by using low-surface-energy, such as by different fluorine compounds,（PTFE, Teflon）Wax organosilicon.This
A little compounds for strengthening cleannes effect have been applied in various coating for a long time.Various active component, such as kill livestock
Agent silver, titanium oxide are also added in coating for providing the property of eliminating bacteria and other microorganisms.
However, the suitability of the paint type coating to various materials is limited.Generally, coating be substantially it is opaque,
And they change the form and property smeared by body surface.In many cases, thick, the painting feed liquid of film like is added
The requirement limited by the quality and quantity of agent, such as when Biocide is used.Required cleannes and antimicrobial
Effect often still can be not enough, because coated film has covered active substance therein, prevents Biocide from playing completely
Act on, or effect is difficult to persistently.And for a kind of coating of effective smear type, additive generally needs very many amounts,
Increased the complexity and preparation cost of raw material.
In order to eliminate the microorganism of body surface, can also be using various disinfectant for being added with antibacterial.Routine disinfection
All it is often disposable, although their disinfective actions are good, action time is very of short duration, it is impossible to permanent effective.
It is lighter to the pollution level of substrate surface, and be to apply to the simplification and antibiotic property of contaminated surface cleaning capacity
Property necessary to layer.Additionally, by using coating must try one's best it is wear-resisting and provide avoid microorganism pollution as long as possible guarantor
Shield, and the characteristic of substrate surface can not be changed.
The content of the invention
The purpose of the present invention causes the coating to be applied to various material to provide a kind of antimicrobial coating
Substrate surface sterilizes, and the coating is that compositionss are formed in sol-gel mode, product clear, colorless have be difficult to discover and
Long-acting lasting the characteristics of, and the original property of substrate surface is maintained, there is coating oleophobic, hydrophobic property to improve object simultaneously
The cleannes on surface, while can also make substrate surface that there is long-acting anti-microbial effect.
The present invention the adopted technical scheme that solves the above problems is：A kind of long-acting disinfection bactericidal composition said composition is
The sol-gel coating fluid of antimicrobial membranes is formed in substrate surface, compositionss include antibacterial, bonding agent, firming agent, stable
Agent, solvent and water, make antibacterial be linked to substrate surface by the bonding agent, after coating is applied to substrate, stabilizer and
Solvent can volatilize, and make bonding agent film forming by firming agent, adjust the thickness of film by the concentration and consumption of solvent；The sterilization
Agent is poly- guanidine, poly- guanidinesalt or its mixing salt, the bonding agent be organosilicon or organosilicon with the use based on the coating and
Function is come the organic molecule that adds.
The effect of the invention floating coat be based on suitable sol- gel coating and apply activity antimicrobial components or
The interaction of antibacterial, so as to significantly improve Biocide sustainable time for acting on substrate and antimicrobial
Even the Biocide of effect very small part.Sol- gel coating after substrate surface is applied to, bonding agent therein
A coat side relative to substrate is defined, solvent volatilizees, in the presence of solidification stably waits catalyst, bonding agent forms one
Layer hyaline membrane, and chemical bonds are used as the poly- guanidinesalt of sterilization Antibacterial Constituents, and by the suitable bonding agent of selection such as
Organ of luorosilane, allows film while have the hydrophobic characteristic of oleophobic, thus and the effect with cleaning, and to substrate surface no property
Change and pattern affects.
Preferably, poly- guanidine of the invention is poly hexamethylene biguanide（PHMG）, its CAS code name is 57028-96-3, PHMG
Molecular weight from 8000 to 10000 change, the molecule contain many avtive spots with cell film reaction.Poly- guanidinesalt is poly-
The mixture of hexa-methylene guanidine phosphate or poly (hexamethylene) hydrochloride or two class salt.
Based on antimicrobial effect and use, the content of the antimicrobial components in coating can be different.Cause
For antimicrobial reagent can be formed into coating surface, even the antimicrobial reagent of very little metering can also be carried
For permanently effective anti-microbial effect.Additionally, PHMG is a kind of effective antimicrobial, this is so also due to former
Cause, even if low dose also will provide for a permanently effective antibacterial action to resist such as Gram-negative and Gram-positive
Bacterium, funguses, antibacterial, virus, yeast and mold.The effectiveness of PHMG be based on him with positive charge, can with it is negatively charged
Microbial film reaction, so as to destroying cells film.The mechanism of action of PHMG is physics rather than chemical action, belongs to safety and has
Hypotoxic antimicrobial, with very wide range of application.There is under drying and wet environment PHMG antimicrobial to live
Property.
Based on above-mentioned action principle, the antibacterial consumption of the present invention is more saved, in coating fluid, cosmocil stearate
Content is from 0.1% to relative to 40% with reference to agent content.Best, the concentration of PHMG is the weight of 1～15% bonding agent.Applying
In material, this water miscible antibacterial components is connected to the surface that the matrix of bonding agent generation is connected to substrate with this.
Preferably, the bonding agent is silicon fluoride.It forms a hydrophobic surface on base the earth's surface, wherein can be formed
One anti-soil layer for easily cleaning.
Above-mentioned organic molecule is selected from acrylate, epoxy resin, vinyl esters and polyurethane, in order to film forming or has film
There is characteristic, such as stable, cleaning, smooth, scratch resistance etc..
Preferably, firming agent is ethylenediamine.
Preferably, stabilizer is glacial acetic acid, not by this coating solution in substrate surface, can prevent PHMG and firming agent
React, can volatilize naturally after being coated on substrate surface, and then promote film formation reaction.
Preferably, the solvent is 1:The mixed liquor of the isopropanol and ethanol of 1 volume ratio.
The coating process of long-acting disinfection bactericidal composition of the present invention：The sol-gel coating fluid is particularly well-suited to can be
The substrate of covalent metal oxygen key, particularly rustless steel and ceramics and glass surface are formed between substrate；And for can not be direct
The surface of attachment is had to through being processed into the suitable state of chemical property, including plastics and coating then need to carry out corresponding table
Face pretreatment；Said composition is also suitable for using on porous surface, and compositionss will be partially absorbed substrate to be coated
It is interior, but still lasting and uniform film can be formed in substrate surface.
Before the coating, pretreatment is carried out to substrate, described pretreatment is to instigate substrate to obtain necessary process and property
Matter, including the quantity of pollutant is reduced to acceptable level, it is to realize steady and flawless colloidal sol-gel coat, treats
The surface of coating must be cleaning；Or film forming is suitable for by the physicochemical properties for cleaning modification substrate surface, and swash
Surface living with intensified response, the pretreatment must otherwise affect the property of coating, but can be significantly in coating coating, bond
Property and durability.
Said composition can be applied in substrate and form coating cleaning, brushing, spray, rub with the hands, by way of dipping, applied
Layer is dried at room temperature for and solidifies, and coating drying time, this depended on the pre- of substrate surface from a few minutes to a few houres
Whether process and mode, in a hard and smooth substrate surface, coating can be dried faster compared on perforated substrate.
The long-acting disinfection bactericidal composition of the present invention can be used for the regeneration update method to base coating：The coating fluid can be with
Apply without clearing up old coating in the substrate surface having been coated with, new coating will be adhered to and be ground off or become many
In the hole for mechanically or chemically wearing and tearing in hole, old coating easily can update：In normal cleaning process；Come again,
By using, the antimicrobial acivity of coating can include that at least one poly- guanidinesalt, as the compositionss of antibacterial active constituents, is filled
The porous or wearing part of old coating is updating again, and old coating on the surface of the substrate need not be the colloidal sol of the present invention
- gel coat, new coating can be the coatings after the coating or the renewal of any coating formed by sol-gel process.
Compared with prior art, it is an advantage of the current invention that：
（1）Antibacterial/antimicrobial used in coating is poly- guanidinesalt or its mixing salt, carries electricity using which
The antibacterial characteristics of lotus.Preferably cosmocil stearate of the invention（PHMG）, by bonding agent, water miscible PHMG can be
Substrate surface is kept for a long time, rather than the real membranaceous coating of thick layer.By this way, the anti-microbial effect of PHMG is protected
Hold on coating, even if the simply amount of very small part.In other words, thin layer collosol and gel coating fluid of the invention is fixed
Live antibacterial itself but do not interfere with its antibacterial action.By this way, even killing stromal surface is only minimal amount of
Microbial inoculum it is also ensured that effectively, long-acting anti-microbial properties.The antibacterial action of coating of the present invention is being dried and moist condition
Under it is all effective, this be combined with bonding agent characteristic realize.
（2）The coating fluid of the present invention can be easy to be applied to substrate to be coated.The bonding agent of coating is attached to base
In the material at bottom.If the chemical property of substrate be suitable or substrate it is processed with suitable chemical property.Altogether
Valency metal-oxygen key can be formed between coating and base material.Particularly, relative to substrate, the guide frame of bonding agent can also make
Bonding agent forms the coating of hydrophobic oleophobic, makes coating have the advantages that anti-pollution and easy cleaning.
（3）Organosilan（Silicon fluoride）React with PHMG so that substrate surface forms the mesh nanometer film of positively charged, holds very much
Easily by electronegative all kinds of antibacterials, virus adsorb, so as to suppress the splitting function of bacterial viruses so as to lose fecundity
Power, the thin film for adding polymer formation plug the respiration channel of microorganism, make the rapid death by suffocation of microorganism.Belong to physics side
The sterilizing of formula.This mode will not produce the drug resistance bacterium of hereditary variation, so as to realize efficient, permanent, safe physical antibacterial
Effect.After film forming, the physical and chemical performance of film is sufficiently stable, therefore bactericidal effect is affected pole by ambient temperature, pH and Organic substance etc.
It is little.
The coating of the present invention can be good at being attached on rustless steel and other metals, glass, various ceramic surfaces, and not
Cracky, degenerates.Painted surface and plastic material can also use the coating.Substrate surface can also pretreatment before coating,
For improving the adhesiveness of coating fluid.
Specific embodiment
With reference to embodiments the present invention is described in further detail.
The long acting antibiotic compositionss of the present embodiment are a kind of sol-gel coating fluids, can be widely applied to needs and remove
The all trades and professions of bacterium, and coating easily can be shifted as new purposes.Antibacterial based on the application is in dry and tide
The fact that keep greater activity under conditions of wet, has widened coating fluid ground use range.The coating can also be applied to complexity
The surface of shape.
Especially hospital and food industry is very favorable using the coating fluid of the present embodiment.Within the hospital, coating is made
To need antimicrobial to protect, use including on wall, door, floor, and all surface of various furniture and equipment.In food
In industry, as further improving, for example, the shelf-life of food, because being not exposed to the food in processing procedure preparing
Microorganism, thus can also reduce addition of the preservative in food.In processing industry, coating can be used to coat any production
Facility and manufacturing machine.The coating fluid can also be used for the software kit by plastics or pressboard coating.Additionally, the coating fluid extensively can be answered
For food and beverage sevice, school, day-care center, communal facility, office and hot spring.In addition any ceramic surface, example be can be applicable to
Such as, in sanitary installations such as bathrooms.Wood surface can also be coated on, in other words, coating can serve as timber preservative.
Multigroup test proves that the coating is effective, it is easy to use, it is adaptable to which large surface is used.The coating of the present invention
Can be used in ventilating system, to prevent microorganism pollution.Various also can be what is used for water purification, safe nothing
Poison.
In following example, for its effect, be not steel surface and in hospital environment antibacterial in coating
Quantity is detected.Uncoated stainless steel surfaces are used as reference.
The bacterial isolateses for using in testing are methicillin-resistant staphylococcus aureus strains A TCC 33591 and Aerugo
Pseudomonad strain ATCC 15442（Only in humid conditions）.
In test coating solution used, by mass percentage, including PHMG 0.016% as antimicrobial into
Point, 0.3% silicon fluoride as bonding agent, 5% ethylenediamine, glacial acetic acid 1.7% and water 5%, remainder is by 1:1 volume ratio it is different
The mixed liquor of propanol and ethanol.
Stainless steel surfaces are processed and are dried with above-mentioned coating solution.These tests are the tables in two dry tack frees and humidity
Face is carried out.Uncoated stainless steel surfaces are normally used as reference.
The test is by carrying out using 13697 surface disinfectant standards of EN.In viability assays, will be 100 μ l micro-
Biological solution（1×10<5>PMY/ milliliters）The surface that is moved to of mixture on, be dried 2 hours at 37 DEG C and sampling exist
In culture medium（Before drying）, 4h, 24h, 48 hours after liquid relief.The parts of stainless steel surfaces be stored in dry condition
Under（Room temperature）With another part in humid conditions（+37℃）A series of tests time.Two parallel sampless are surveyed
Examination.Sample is incubated into 1 day at 37 DEG C.
In testing, it is found that the coating significantly reduces MRSA and the antibacterial of bacillus pyocyaneus is dense on stainless steel surfaces
Degree.Difference between coating and uncoated steel is that all there were significant differences under drying and wet condition.The result of the test is shown in
Table 1 and 2.
Above experiment results proved, the disinfecting, antimicrobial compositionss of the present embodiment have to antibacterial, and not
By being to be dried or wet environment, effect duration is long, and coating is firmly combined with stainless steel surfaces, to the activity of antibacterial into
Divide and keep good.
In addition to the implementation, present invention additionally comprises there is other embodiment, all employing equivalents or equivalence replacement
The technical scheme that mode is formed, all should fall within the scope of the hereto appended claims.
Claims (9)
1. a kind of long-acting disinfection bactericidal composition, it is characterised in that：Said composition is to form antimicrobial membranes in substrate surface
Sol-gel coating fluid, compositionss include antibacterial, bonding agent, firming agent, stabilizer, solvent and water, are made by the bonding agent
Antibacterial is linked to substrate surface, and after coating is applied to substrate, stabilizer and solvent can volatilize, and make combination by firming agent
Agent film forming, adjusts the thickness of film by the concentration and consumption of solvent；The antibacterial is poly- guanidine, poly- guanidinesalt or its salt-mixture
Class, the bonding agent be organosilicon or organosilicon with based on the coating using and function come the organic molecule that adds.
2. long-acting disinfection bactericidal composition according to claim 1, it is characterised in that：The poly- guanidine is that polyhexamethylene is double
Guanidine（PHMG）, molecular weight is 8000～10000, poly- guanidinesalt be polyhexamethylene guanidine phosphate or poly (hexamethylene) hydrochloride or
The mixture of two class salt.
3. long-acting disinfection bactericidal composition according to claim 1, it is characterised in that：The bonding agent is silicon fluoride.
4. long-acting disinfection bactericidal composition according to claim 1, it is characterised in that：The organic molecule is selected from acrylic acid
Ester, epoxy resin, vinyl esters and polyurethane.
5. long-acting disinfection bactericidal composition according to claim 1, it is characterised in that：The firming agent is ethylenediamine.
6. long-acting disinfection bactericidal composition according to claim 1, it is characterised in that：The stabilizer is glacial acetic acid.
7. long-acting disinfection bactericidal composition according to claim 1, it is characterised in that：The solvent is 1:1 volume ratio
The mixed liquor of isopropanol and ethanol.
8. according to any claim in claim 1 to 8 long-acting disinfection bactericidal composition coating process, its feature exists
In：
Said composition is particularly well-suited to the substrate that covalent metal oxygen key can be formed between substrate, particularly rustless steel and pottery
Porcelain and glass surface；And for the surface that directly can not adhere to is had to through being processed into the suitable state of chemical property, including
Plastics and coating then need to carry out corresponding surface preparation；Said composition is also suitable for using on porous surface, compositionss
To be partially absorbed in substrate to be coated, but still lasting and uniform film can be formed in substrate surface；
Before the coating, pretreatment is carried out to substrate, described pretreatment is to instigate substrate to obtain necessary process and property, bag
The quantity for reducing pollutant is included to acceptable level, is to realize steady and flawless colloidal sol-gel coat, it is to be coated
Surface must be cleaning；Or film forming, and activated surface are suitable for by the physicochemical properties for cleaning modification substrate surface
With intensified response, the pretreatment must otherwise affect the property of coating, but can be significantly in coating coating, cohesive and resistance to
Long property；
Said composition can be applied in substrate and form coating cleaning, brushing, spray, rub with the hands, by way of dipping, and coating exists
It is dried under room temperature and solidifies, coating drying time, this depended on pretreatment of substrate surface from a few minutes to a few houres
Whether and mode, in a hard and smooth substrate surface, coating can be dried faster compared on perforated substrate.
9. the long-acting disinfection bactericidal composition according to claim 1 to 8 any claim is used for the regeneration of base coating
Method, it is characterised in that：Said composition can apply without clearing up old coating in the substrate surface having been coated with, new
Coating will adhere to and be ground off or become in the hole for mechanically or chemically wearing and tearing of porous, and old coating can easily more
Newly：In normal cleaning process；Come again, the antimicrobial acivity of coating can be by with being used as including at least one poly- guanidinesalt
The compositionss of antibacterial active constituents, fill the porous or wearing part of old coating to update again, and on the surface of the substrate
Old coating need not be the present invention colloidal sol-gel coat, new coating can be the painting formed by sol-gel process
Coating after layer or the renewal of any coating.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108441080A (en) * | 2018-04-25 | 2018-08-24 | 上海嘉柏丽实业有限公司 | A kind of pseudo-classic floor coatings of aqueous inorganic |
| CN109354912A (en) * | 2018-11-07 | 2019-02-19 | 温州莲华环保科技有限公司 | A kind of medical bag protective film and its manufacture craft |
| CN111500137A (en) * | 2020-05-18 | 2020-08-07 | 刘白玲 | Antibacterial and antiviral emulsion adhesive film-forming agent, preparation method and application thereof |
| CN111574871A (en) * | 2020-04-23 | 2020-08-25 | 武汉中科先进技术研究院有限公司 | Modified fluorosilane composite sol, preparation method thereof, coating containing modified fluorosilane composite sol, and preparation method and application of coating |
| CN111642437A (en) * | 2020-05-09 | 2020-09-11 | 中国水产科学研究院东海水产研究所 | Preparation method of truncated cone-shaped side net for semi-submersible type culture platform |
| CN112266646A (en) * | 2020-10-28 | 2021-01-26 | 广东涂强新材料有限公司 | Long-acting slow-release antibacterial disinfection composition and application thereof |
| CN113712028A (en) * | 2020-10-21 | 2021-11-30 | 南京百思福医药科技有限公司 | Photoluminescent long-acting film-forming disinfection composition and preparation method and application thereof |
| CN115867619A (en) * | 2020-06-19 | 2023-03-28 | 德里莱特公司 | Self-disinfecting coating for surfaces |
| WO2023143490A1 (en) * | 2022-01-28 | 2023-08-03 | Nano And Advanced Materials Institute Limited | Antimicrobial compositions with enhanced efficacy and prolonged performance lifetime, and preparation method thereof |
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