CN112778814A - Preparation method of long-acting antibacterial mildew remover capable of spraying to form film - Google Patents
Preparation method of long-acting antibacterial mildew remover capable of spraying to form film Download PDFInfo
- Publication number
- CN112778814A CN112778814A CN202011599875.XA CN202011599875A CN112778814A CN 112778814 A CN112778814 A CN 112778814A CN 202011599875 A CN202011599875 A CN 202011599875A CN 112778814 A CN112778814 A CN 112778814A
- Authority
- CN
- China
- Prior art keywords
- long
- zinc
- mass
- antibacterial mildew
- acting antibacterial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6644—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/68—Unsaturated polyesters
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a long-acting antibacterial mildew remover capable of spraying to form a film, which comprises the following steps: adding polyester polyol and a cross-linking agent into a reaction kettle, heating and stirring to obtain a product A before dispersion; adding a chain extender into the product A before dispersion, and stirring for reaction to obtain a product B before dispersion; adding the dispersant A into the product B before dispersion and continuously stirring to obtain a dispersion liquid C; dispersing organic acid zinc salt in a dispersing agent B to prepare a zinc-containing antibacterial agent, adding the zinc-containing antibacterial agent into the dispersion liquid C, and fully stirring to prepare the antibacterial mildew removing agent; the antibacterial mildew remover provided by the invention can form a film at normal temperature, has the characteristics of long-acting antibacterial property, mildew resistance, washing resistance and wide applicability, and is safe, non-toxic, environment-friendly and free of drug resistance.
Description
Technical Field
The invention belongs to the technical field of antibacterial mildew preventive; in particular to a long-acting antibacterial mildew remover capable of spraying to form a film and a preparation method thereof.
Background
Along with social development, people pay more and more attention to environmental health problems, and public health safety problems are pushed to the sharp air opening by wide-range virus epidemic abuse. Various public places closely related to people's life, including hospitals, schools and the like, production environments, food processing plants, pharmaceutical factories and the like, even in living environments, surfaces of various facilities frequently contacted with the public places can easily become hotbeds for breeding pathogens, particularly handrails, doorknobs, public facilities, medical equipment, furniture, toys, table tops and the like which are intensively contacted by people, and the environments jointly form an important path for pathogen transmission and prevalence.
At present, in the epidemic situation prevention and control period, public health safety under the new crown epidemic situation mainly uses disinfectants for environmental disinfection, public environments in various fields need to use a large amount of disinfectants including peracetic acid, hydrogen peroxide, ethanol solution and the like every day, the disinfectants can quickly kill pathogenic microorganisms on a propagation path in a short time, but cannot achieve a long-acting antibacterial effect, need to be frequently used manually, and most of high-efficiency disinfectants have certain harmfulness to human bodies, such as corrosivity, skin irritation, mucosa irritation and the like.
The long-acting antibacterial technology is mainly embodied in the technical fields of coatings, textiles and the like, the antibacterial coatings are not available for two years, antibacterial coating products have appeared on the market for a long time, and epidemic situations in the year are greatly realized and wanted to be known. The antibacterial coating has an antibacterial function more than that of a common coating, because the antibacterial coating contains the bactericidal auxiliary agent, the addition of the bactericidal auxiliary agent can make bacteria and mould lose activity and greatly reduce the reproductive capacity and the propagation capacity of the bacteria and mould, so that the bacteria and mould are not propagated and propagated any more and are not propagated for the second time, and the antibacterial and mildewproof effect is achieved. The antibacterial coating in the market is added by taking organic silicon quaternary ammonium salt and silver particles as main antibacterial agents, the defect that the antibacterial effect is not durable is easy to appear on the surface of the cured coating, and the problems of easy oxidation and discoloration, potential human enrichment hazard, environmental hazard and the like of silver exist, so that the environmental protection safety is questioned.
Disclosure of Invention
Aiming at the defects, the invention provides the long-acting antibacterial mildew remover capable of forming a film at normal temperature, which has the characteristics of long-acting antibacterial property, mildew resistance, washing resistance and wide applicability, and is safe, non-toxic, environment-friendly and free of drug resistance.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a preparation method of a long-acting antibacterial mildew remover capable of spraying to form a film comprises the following steps:
(1) mixing 10-50 parts by mass of polyester polyol with 20-30 parts by mass of a cross-linking agent to obtain a product A before dispersion;
(2) adding 0.5-5 parts by mass of a chain extender into the product A before dispersion obtained in the step (1) and mixing to obtain a product B before dispersion;
(3) adding 0.1-1 part by mass of a dispersant A into the product B before dispersion obtained in the step (2) and stirring to obtain a dispersion liquid C;
(4) adding 0.5-6 parts by mass of organic acid zinc salt into 15-70 parts by mass of the dispersant B, and stirring and dispersing to obtain a zinc-containing antibacterial agent;
(5) and (4) adding the zinc-containing antibacterial agent obtained in the step (4) into the dispersion liquid C obtained in the step (3), and uniformly stirring to obtain the long-acting antibacterial mildew removing agent capable of being sprayed to form a film.
Preferably, the reaction temperature in step (1) is 50-80 ℃.
Preferably, the rotation speed of the mixing reaction in the step (2) is 600-;
the rotation speed is preferably 650-750 rpm, most preferably 700 rpm, and the reaction time is preferably 1.5-2.5 hours, most preferably 2 hours.
Preferably, the polyester polyol in the step (1) is any one or more of adipic acid polyester diol, aromatic hydrocarbon polyester diol, dimer polyester diol, polycaprolactone triol and polycarbonate diol.
Preferably, the crosslinking agent in the step (1) is any one or more of toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate, hexamethylene diisocyanate and lysine diisocyanate.
Preferably, the chain extender in the step (2) is any one or more of glycerol, trimethylolpropane, diethylene glycol (DEG), triethylene glycol, neopentyl glycol (NPG) and sorbitol.
Preferably, the dispersant A in the step (3) is any one or more of sodium tripolyphosphate, sodium hexametaphosphate and sodium pyrophosphate.
Preferably, the dispersant B in the step (4) is one or more of ethylene glycol, ethanol and water.
Preferably, the organic acid zinc salt in the step (4) is any one or more of zinc acetate, zinc lactate, zinc citrate, zinc methionine, zinc lysine and zinc aspartate.
In a preferred embodiment, the polyester polyol mass fraction is preferably 15 to 45 parts by mass, more preferably 20 to 40 parts by mass, most preferably 30 parts by mass.
In a preferred embodiment, the cross-linking agent mass fraction is preferably 22 to 28 parts by mass, more preferably 23 to 27 parts by mass, most preferably 25 parts by mass, the reaction temperature is preferably 60 to 70 ℃, most preferably 65 ℃.
In a preferred embodiment, the mass part of the chain extender is preferably 1 to 4 mass parts, more preferably 1.5 to 3.5 mass parts, most preferably 2.5 mass parts.
In a preferred embodiment, the mass part of the dispersant a is preferably 0.2 to 0.8 mass part, more preferably 0.3 to 0.7 mass part, and most preferably 0.5 mass part.
In a preferred embodiment, the mass part of the dispersant B is preferably 17 to 68 parts by mass, more preferably 25 to 55 parts by mass, and most preferably 39.5 parts by mass, and the mass part of the zinc salt of an organic acid is preferably 1 to 5 parts by mass, more preferably 1.5 to 4 parts by mass, and most preferably 2.5 parts by mass.
The zinc-containing antibacterial agent prepared by using the zinc salt of the organic acid as an antibacterial component and the dispersant B has good antibacterial and mildewproof performance, can induce to generate hydroxyl free radicals and Reactive Oxygen Species (ROS) with a reducing effect, and can destroy the multiplication capacity of bacterial cells so as to inhibit or kill bacteria; meanwhile, the surface of the antibacterial agent after film forming is rich in zinc element, and can react with sulfydryl-SH, amino-NH, carboxyl-COOH and the like in bacteria, so that the structural composition of the bacteria is damaged, the growth and the reproduction of the bacteria are inhibited, and meanwhile, the antibacterial agent is free from the inside of damaged bacterial cells in the sterilization process and can perform continuous antibacterial action, so that the antibacterial durability is greatly improved. Meanwhile, the zinc plays a role of a drier, so that the antibacterial mildew remover is solidified into a film at room temperature in the spraying use process, the water washing resistance of the antibacterial mildew remover is improved, the loss of antibacterial components is prevented, and the long-acting antibacterial performance is kept.
The organic acid zinc salt used in the invention is safe and nontoxic, is friendly to human body and environment, and avoids the problems of potential human enrichment hazard, environmental hazard and the like of the antibacterial agent.
The dispersing agent used in the invention can improve the stability of the zinc-containing antibacterial agent, and ensure the uniform stability of the antibacterial mildew-removing agent before spraying, and the agent does not delaminate or agglomerate.
Compared with the prior art, the invention has the following beneficial effects because the technology is adopted:
1. the antibacterial mildew inhibitor provided by the invention can be used for forming a film at normal temperature;
2. the antibacterial mildew-proof coating has excellent antibacterial mildew-proof effect, the antibacterial performance is more than or equal to 99.00%, and the mildew-proof grade is 0 (no mildew growth);
3. the long-acting antibacterial mildew preventive has an excellent long-acting antibacterial effect, and meanwhile, after the long-acting antibacterial mildew preventive is smeared on a plastic plate and an aluminum plate and dried to form a film, the film is wiped by clear water for 30 days and then is detected, and the sterilization rate is more than or equal to 99.00 percent;
4. is safe and nontoxic, is friendly to the environment and human body, can be applied to various occasions, and is environment-friendly and pollution-free.
Detailed Description
The present invention will be further illustrated with reference to the following specific embodiments.
Example 1:
a preparation method of a long-acting antibacterial mildew remover capable of spraying to form a film comprises the following steps:
(1) adding 10 parts by mass of adipic acid polyester glycol and 20 parts by mass of toluene diisocyanate into a reaction kettle, heating to 50 ℃, and uniformly stirring to obtain a product A before dispersion;
(2) adding 0.5 part by mass of trimethylolpropane into the product A before dispersion obtained in the step (1), and stirring and reacting for 1 hour at the rotating speed of 600 revolutions per minute to obtain a product B before dispersion;
(3) adding 0.1 part by mass of sodium tripolyphosphate into the product B before dispersion obtained in the step (2), and continuously stirring until the dispersion is uniform to obtain a dispersion liquid C;
(4) adding 0.5 part by mass of zinc acetate into 68.9 parts by mass of ethylene glycol, and stirring and dispersing to obtain a zinc-containing antibacterial agent;
(5) and (4) adding the zinc-containing antibacterial agent obtained in the step (4) into the dispersion liquid C obtained in the step (3), and fully and uniformly stirring to obtain the long-acting antibacterial mildew removing agent capable of being sprayed to form a film.
Example 2:
a preparation method of a long-acting antibacterial mildew remover capable of spraying to form a film comprises the following steps:
(1) adding 40 parts by mass of polycarbonate diol and 30 parts by mass of lysine diisocyanate into a reaction kettle, heating to 65 ℃, and uniformly stirring to obtain a product A before dispersion;
(2) adding 5 parts by mass of sorbitol into the product A before dispersion obtained in the step (1), and stirring and reacting for 3 hours at the rotating speed of 800 revolutions per minute to obtain a product B before dispersion;
(3) adding 1 part by mass of sodium pyrophosphate into the product B before dispersion obtained in the step (2), and continuously stirring until the dispersion is uniform to obtain a dispersion liquid C;
(4) adding 6 parts by mass of zinc aspartate into 18 parts by mass of water, and stirring and dispersing to obtain a zinc-containing antibacterial agent;
(5) and (4) adding the zinc-containing antibacterial agent obtained in the step (4) into the dispersion liquid C obtained in the step (3), and fully and uniformly stirring to obtain the long-acting antibacterial mildew removing agent capable of being sprayed to form a film.
Example 3:
a preparation method of a long-acting antibacterial mildew remover capable of spraying to form a film comprises the following steps:
(1) adding 50 parts by mass of polycaprolactone triol and 22 parts by mass of diphenylmethane diisocyanate into a reaction kettle, heating to 75 ℃, and uniformly stirring to obtain a product A before dispersion;
(2) adding 4.5 parts by mass of trimethylolpropane into the product A before dispersion obtained in the step (1), and stirring and reacting for 2.5 hours at the rotating speed of 750 revolutions per minute to obtain a product B before dispersion;
(3) adding 0.2 part by mass of sodium hexametaphosphate into the product B before dispersion obtained in the step (2), and continuously stirring until the mixture is uniformly dispersed to obtain a dispersion liquid C;
(4) adding 1 part by mass of zinc citrate into 22.3 parts by mass of ethanol, and stirring and dispersing to obtain a zinc-containing antibacterial agent;
(5) and (4) adding the zinc-containing antibacterial agent obtained in the step (4) into the dispersion liquid C obtained in the step (3), and fully and uniformly stirring to obtain the long-acting antibacterial mildew removing agent capable of being sprayed to form a film.
Example 4:
a preparation method of a long-acting antibacterial mildew remover capable of spraying to form a film comprises the following steps:
(1) adding 30 parts by mass of dimer polyester diol and 25 parts by mass of toluene diisocyanate into a reaction kettle, heating to 65 ℃, and uniformly stirring to obtain a product A before dispersion;
(2) adding 2.5 parts by mass of glycerol into the product A before dispersion obtained in the step (1), and stirring and reacting for 2 hours at the rotating speed of 700 revolutions per minute to obtain a product B before dispersion;
(3) adding 0.5 part by mass of sodium pyrophosphate into the product B before dispersion obtained in the step (2), and continuously stirring until the dispersion is uniform to obtain a dispersion liquid C;
(4) adding 2.5 parts by mass of zinc methionine into 39.5 parts by mass of ethanol, and stirring and dispersing to obtain a zinc-containing antibacterial agent;
(5) and (4) adding the zinc-containing antibacterial agent obtained in the step (4) into the dispersion liquid C obtained in the step (3), and fully and uniformly stirring to obtain the long-acting antibacterial mildew removing agent capable of being sprayed to form a film.
Example 5:
the antibacterial effect of the antibacterial mildew removing agents of the embodiments 1-4 of the invention is tested according to GB/T21866-.
TABLE 1 antimicrobial Effect of antimicrobial mildew-removing agent
The antifungal grade of the antibacterial mildew-removing agent of examples 1-4 of the present invention was tested according to GB/T1741-2007 determination of mildew resistance of paint films, see in particular Table 2.
TABLE 2 grade of antifungal anti-mildew agent
According to WS/T650-2019, the evaluation method of antibacterial and bacteriostatic effects, after a long-acting antibacterial mildew inhibitor is smeared on a plastic plate and an aluminum plate which are used daily, dried and formed into a film, the film is wiped by normal clear water, sampling detection is carried out after 7 days, 15 days and 30 days respectively, cotton swab sampling is carried out on an experimental group and a sample group, the number of microbial colonies is observed after culturing for 48 hours at 36 +/-1 ℃, and specific results are shown in Table 3.
TABLE 3 this example simulates the long-lasting antibacterial effect of the antibacterial and antifungal agent
As can be seen from Table 3, the antibacterial mildew-removing agent of the invention has a good long-acting antibacterial effect, and still has 99% of continuous antibacterial effect after daily use for 30 days.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, and equivalents including technical features of the claims, i.e., equivalent modifications within the scope of the present invention.
Claims (9)
1. A preparation method of a long-acting antibacterial mildew remover capable of spraying to form a film is characterized by comprising the following steps:
(1) mixing 10-50 parts by mass of polyester polyol with 20-30 parts by mass of a cross-linking agent to obtain a product A before dispersion;
(2) adding 0.5-5 parts by mass of a chain extender into the product A before dispersion obtained in the step (1) and mixing to obtain a product B before dispersion;
(3) adding 0.1-1 part by mass of a dispersant A into the product B before dispersion obtained in the step (2) and stirring to obtain a dispersion liquid C;
(4) adding 0.5-6 parts by mass of organic acid zinc salt into 15-70 parts by mass of the dispersant B, and stirring and dispersing to obtain a zinc-containing antibacterial agent;
(5) and (4) adding the zinc-containing antibacterial agent obtained in the step (4) into the dispersion liquid C obtained in the step (3), and uniformly stirring to obtain the long-acting antibacterial mildew removing agent capable of being sprayed to form a film.
2. The method for preparing the long-acting antibacterial mildew-removing agent capable of being sprayed to form a film according to claim 1, wherein the method comprises the following steps: the reaction temperature in the step (1) is 50-80 ℃.
3. The method for preparing the long-acting antibacterial mildew-removing agent capable of being sprayed to form a film according to claim 1, wherein the method comprises the following steps: the rotation speed of the mixing reaction in the step (2) is 600-800 r/m, and the time of the mixing reaction is 1-3 hours.
4. The method for preparing the long-acting antibacterial mildew-removing agent capable of being sprayed to form a film according to claim 1, wherein the method comprises the following steps: in the step (1), the polyester polyol is any one or more of adipic acid polyester diol, aromatic polyester diol, dimer polyester diol, polycaprolactone triol and polycarbonate diol.
5. The method for preparing the long-acting antibacterial mildew-removing agent capable of being sprayed to form a film according to claim 1, wherein the method comprises the following steps: in the step (1), the cross-linking agent is any one or more of toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate, hexamethylene diisocyanate and lysine diisocyanate.
6. The method for preparing the long-acting antibacterial mildew-removing agent capable of being sprayed to form a film according to claim 1, wherein the method comprises the following steps: in the step (2), the chain extender is any one or more of glycerol, trimethylolpropane, diethylene glycol, triethylene glycol, neopentyl glycol and sorbitol.
7. The method for preparing the long-acting antibacterial mildew-removing agent capable of being sprayed to form a film according to claim 1, wherein the method comprises the following steps: the dispersing agent A in the step (3) is any one or more of sodium tripolyphosphate, sodium hexametaphosphate and sodium pyrophosphate.
8. The method for preparing the long-acting antibacterial mildew-removing agent capable of being sprayed to form a film according to claim 1, wherein the method comprises the following steps: the dispersant B in the step (4) is one or more of glycol, ethanol and water.
9. The method for preparing the long-acting antibacterial mildew-removing agent capable of being sprayed to form a film according to claim 1, wherein the method comprises the following steps: the zinc salt of the organic acid in the step (4) is any one or more of zinc acetate, zinc lactate, zinc citrate, zinc methionine, zinc lysine and zinc aspartate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011599875.XA CN112778814A (en) | 2020-12-29 | 2020-12-29 | Preparation method of long-acting antibacterial mildew remover capable of spraying to form film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011599875.XA CN112778814A (en) | 2020-12-29 | 2020-12-29 | Preparation method of long-acting antibacterial mildew remover capable of spraying to form film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112778814A true CN112778814A (en) | 2021-05-11 |
Family
ID=75751519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011599875.XA Pending CN112778814A (en) | 2020-12-29 | 2020-12-29 | Preparation method of long-acting antibacterial mildew remover capable of spraying to form film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112778814A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000013781A (en) * | 1998-08-13 | 2000-03-06 | 박준하 | Anti-bacterial surface coating composition for sanitary rubber glove |
| CN103360570A (en) * | 2013-07-31 | 2013-10-23 | 常德市武陵金德镭射科技有限公司 | Waterborne polyurethane, preparation method therefor and waterborne transfer painting |
-
2020
- 2020-12-29 CN CN202011599875.XA patent/CN112778814A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000013781A (en) * | 1998-08-13 | 2000-03-06 | 박준하 | Anti-bacterial surface coating composition for sanitary rubber glove |
| CN103360570A (en) * | 2013-07-31 | 2013-10-23 | 常德市武陵金德镭射科技有限公司 | Waterborne polyurethane, preparation method therefor and waterborne transfer painting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20050048124A1 (en) | Antimicrobial composition for medical articles | |
| CN108816689A (en) | A kind of super-hydrophilic coating and preparation method thereof with long acting antibiotic performance | |
| US20060045899A1 (en) | Antimicrobial composition for medical articles | |
| CN111109283B (en) | Long-acting antibacterial mildew inhibitor, preparation method thereof and application thereof in space station environment | |
| WO2022088286A1 (en) | Water-soluble controllable antibacterial substance and synthesis process | |
| CN111345295B (en) | Traditional Chinese medicine oil modified active silicon antibacterial liquid and preparation method thereof, and preparation method of antibacterial coating | |
| CN111657299A (en) | Composite nano-ion bacteriostatic agent | |
| CN111500127A (en) | Broad-spectrum long-acting antibacterial coating spray and preparation method thereof | |
| CN106538583A (en) | Long-acting disinfection bactericidal composition, its coating process and the renovation process for coating | |
| CN103380784A (en) | Bactericidal odor removing agent | |
| TWI326603B (en) | Method for disinfecting or sanitizing a surface | |
| CN110054993A (en) | A kind of long-life organosilicon polymer antimicrobial fluid and preparation method thereof, the preparation method of antimicrobial coating | |
| CN111450116A (en) | Preparation and application of antibacterial nano enzyme disinfection gel | |
| CN113461995B (en) | Preparation method of polylactic acid material with anti-adhesion sterilization function | |
| CN112891372B (en) | Hydrogen peroxide and nano-silver compound hand disinfectant and preparation method thereof | |
| CN112778814A (en) | Preparation method of long-acting antibacterial mildew remover capable of spraying to form film | |
| CN107136075B (en) | Dual-protection antibacterial and anticorrosive aerosol for ancient metal cultural relics and application thereof | |
| CN106729962B (en) | Skin antibacterial protective film liquid and preparation method thereof | |
| CN102321277A (en) | Ionic crosslinked chitosan organic acid salt and anionized chitosan electrolyte composite film and preparation method thereof | |
| WO2019213833A1 (en) | Bio-based material with antibacterial effect and use thereof | |
| RU2524929C1 (en) | Biocidal composition for coating polymer articles | |
| JPH03206009A (en) | Antimicrobial agent, antimicrobial resin composition, molded product of antimicrobial resin, antimicrobial water tank made of synthetic resin, antimicrobial synthetic fiber, paper having antimicrobial property, antimicrobial coating, local antimicrobial agent and cosmetic | |
| CN112999202A (en) | Antibacterial and deodorant film-forming spray liquid and preparation method thereof | |
| CN111514175A (en) | Wash-free antibacterial spray and preparation method thereof | |
| CN115058162B (en) | Mildew preventive containing ZPT |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210511 |