CN113737526A - Preparation method of antifogging and self-cleaning nano material - Google Patents
Preparation method of antifogging and self-cleaning nano material Download PDFInfo
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Abstract
The invention discloses a preparation method of an anti-fog and self-cleaning nano material, and relates to the technical field of nano materials. S1, preparing raw materials for later use; s2, preparing a first mixed solution; s3, preparing polypropylene nano slurry; s4, preparing a polypropylene nano slurry suspension; s5, preparing a mixed solution II; s6, preparing a self-cleaning antifogging liquid; s7, preparing wet tissues. The preparation method of the antifogging and self-cleaning nano material, disclosed by the invention, has the advantages that the preparation of the polypropylene nano slurry and the polypropylene nano suspension improves the adhesion between the nano material and the base material, ensures the firmness and wear resistance of the antifogging and self-cleaning nano material on the base material, takes the polypropylene as a hydrophilic surface agent, can prevent water drops from forming by changing the hydrophilization of the surface of an object, achieves the effects of preventing scale, and has the advantages of higher drying speed, stripe and spot resistance, and the antifogging effect is more durable.
Description
Technical Field
The invention relates to the technical field of nano materials, in particular to a preparation method of an anti-fog and self-cleaning nano material.
Background
At present, the nanometer material has become the focus of attention of people as an important frontier field, in our daily life, automobile glass, building glass, decorative glass and the like all need to be regularly maintained and cleaned, great resource waste can be caused during maintenance and cleaning, such as water, electricity, manpower and the like, great potential safety hazards also exist in the cleaning of high-rise buildings, meanwhile, in rainy and snowy days, the automobile glass is easy to generate fog, the sight of drivers is influenced, and the factor is an important factor for the frequent vehicle accidents, so that the preparation of the anti-fog and self-cleaning nanometer material is of great importance to the life of people.
With the increasingly outstanding requirements of anti-fog and self-cleaning nano materials, some anti-fog and self-cleaning nano materials in the current market have poor stability in the use process, so that the nano materials are easy to volatilize in the use process, and the self-cleaning effect and the anti-fog performance of the nano materials are further influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation method of an anti-fog and self-cleaning nano material, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of an anti-fog and self-cleaning nano material comprises the following steps:
s1, preparing raw materials: 3-5 parts of nonionic surfactant, 2-4 parts of chelating agent, 1-3 parts of defoaming agent, 2-3 parts of antifreezing agent, 3-5 parts of dispersing agent, 25-50 parts of vinyl ester unsaturated polyester resin, 70-80 parts of deionized water, 15-30 parts of gamma-glycidyl ether oxypropyl trimethoxy silane, 1-6 parts of acrylic acid, 1-5 parts of crosslinking agent and 2-6 parts of ammonium sulfate;
s2, preparation of a mixed solution I: weighing the vinyl ester unsaturated polyester resin, the dispersing agent and the deionized water in the step S1 according to a proportion, putting the materials into a material tank of a planetary ball mill, performing ball milling and dispersing, and filtering to obtain a required mixed solution I;
s3, preparation of polypropylene nano slurry: sequentially adding a nonionic surfactant, gamma-glycidyl ether oxypropyltrimethoxysilane, acrylic acid, a cross-linking agent and ammonium sulfate into the mixed solution prepared in the step S2, and uniformly stirring to obtain the required polypropylene nano slurry;
s4, preparation of polypropylene nano slurry suspension: suspending the polypropylene nano slurry prepared in the step S3 in polypropylene for treatment, and then centrifuging and cleaning to obtain polypropylene nano slurry suspension for later use;
s5, preparing a mixed solution II: adding an antifreezing agent, a chelating agent and a defoaming agent into the polypropylene nano slurry suspension prepared in the step S4, and uniformly stirring to obtain a required mixed solution II;
s6, preparing a self-cleaning antifogging liquid: adding a neutralizing agent into the mixture obtained in the step S5, stirring and dispersing, adjusting the pH value of the solution to 6.5, filtering the mixed solution II prepared in the step S5, and filtering to obtain the required self-cleaning antifogging liquid;
s7, preparing wet tissues: and (4) cutting the required wet tissue into small sections of paper towels with equal length, putting the small sections of paper towels into the self-cleaning antifogging liquid prepared in the step S6, and soaking for 30-45min to finish the preparation of the wet tissue.
Further optimizing the technical scheme, the non-ionic surfactant in the step S3 is one or a mixture of more than one of polyglycerol-2 oleate, sorbitan stearate, sorbitol laurate, dimethicone copolyol, polysorbate, and sorbitan fatty acid ester.
Further optimizing the technical scheme, the ball milling dispersion time in the step S2 is 60-90 min.
Further optimizing the technical scheme, the cross-linking agent in the step S3 is ethylene glycol dimethacrylate; the chelating agent in the step S5 is methyl ethyl ketone peroxide; the antifreeze in the step S5 is glycerin or ethylene glycol.
Further optimizing the technical scheme, the wet tissue base material in the step S7 is made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers.
Further optimizing the technical scheme, the defoaming agent in the step S5 is one or more of polyoxyethylene polyoxypropylene amine ether, polyoxypropylene polyoxyethylene glycerol ether or polydimethylsiloxane.
Further optimizing the technical scheme, the dispersant in the step S2 is one or a mixture of more than two of polyvinylpyrrolidone, nonylphenol polyoxyethylene ether and polycarboxylic acid.
Further optimizing the technical scheme, the self-cleaning antifogging liquid in the step S7 and the cut paper towels are added according to the weight ratio of 2: 1-3: 1.
Compared with the prior art, the invention provides a preparation method of an anti-fog and self-cleaning nano material, which has the following beneficial effects:
1. the preparation method of the anti-fog and self-cleaning nano material, disclosed by the invention, has the advantages that the preparation of the polypropylene nano slurry and the polypropylene nano suspension improves the adhesion between the nano material and the base material, ensures the firmness and wear resistance of the anti-fog and self-cleaning nano material on the base material, takes the polypropylene as a hydrophilic surface agent, can prevent water drops from forming by changing the hydrophilization of the surface of an object, achieves the effects of scale prevention, higher drying speed and stripe and spot resistance, and ensures that the anti-fog effect is more durable.
2. The preparation method of the antifogging and self-cleaning nano material is simple in preparation process and convenient to operate, contains the gamma-glycidyl ether oxypropyl trimethoxysilane and the nano material, is stable in performance and good in storage stability, and has excellent high and low temperature resistance and aging resistance of inorganic materials and organic silicon materials.
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FIG. 1 is a schematic flow chart of a preparation method of an anti-fog self-cleaning nano material provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The first embodiment is as follows: referring to fig. 1, the invention discloses a preparation method of an anti-fog self-cleaning nano material, which comprises the following steps:
s1, preparing raw materials: 3 parts of nonionic surfactant, 4 parts of chelating agent, 2 parts of defoaming agent, 2 parts of antifreezing agent, 4 parts of dispersing agent, 35 parts of vinyl ester unsaturated polyester resin, 70 parts of deionized water, 20 parts of gamma-glycidyl ether oxypropyl trimethoxysilane, 4 parts of acrylic acid, 3 parts of crosslinking agent and 4 parts of ammonium sulfate;
s2, preparation of a mixed solution I: weighing the vinyl ester unsaturated polyester resin, the dispersing agent and the deionized water in the step S1 according to a ratio, putting into a material tank of a planetary ball mill, wherein the dispersing agent is a mixture of polyvinylpyrrolidone, nonylphenol polyoxyethylene ether and polycarboxylic acid, performing ball milling dispersion for 60min, and filtering to obtain a required mixed solution I;
s3, preparation of polypropylene nano slurry: sequentially adding a nonionic surfactant, gamma-glycidyl ether oxypropyltrimethoxysilane, acrylic acid, a cross-linking agent and ammonium sulfate into the mixed solution prepared in the step S2, wherein the nonionic surfactant is a mixture of polyglycerol-2 oleate and sorbitan stearate, the cross-linking agent is ethylene glycol dimethacrylate, and uniformly stirring to obtain the required polypropylene nano slurry;
s4, preparation of polypropylene nano slurry suspension: suspending the polypropylene nano slurry prepared in the step S3 in polypropylene for treatment, and then centrifuging and cleaning to obtain polypropylene nano slurry suspension for later use;
s5, preparing a mixed solution II: adding an antifreezing agent, a chelating agent and a defoaming agent into the polypropylene nano slurry suspension prepared in the step S4, wherein the defoaming agent is a mixture of polyoxyethylene polyoxypropylene amine ether and polyoxypropylene polyoxyethylene glycerol ether, the chelating agent is methyl ethyl ketone peroxide, and the antifreezing agent is glycerol, and uniformly stirring to obtain a required mixed solution II;
s6, preparing a self-cleaning antifogging liquid: adding a neutralizing agent into the mixture obtained in the step S5, stirring and dispersing, adjusting the pH value of the solution to 6.5, filtering the mixed solution II prepared in the step S5, and filtering to obtain the required self-cleaning antifogging liquid;
s7, preparing wet tissues: and (3) cutting the required wet tissue into small sections of paper towels with equal length, putting the small sections of paper towels into the self-cleaning antifogging liquid prepared in the step S6, adding the self-cleaning antifogging liquid and the cut paper towels according to the weight ratio of 2: 1-3: 1, and soaking the wet tissue base material made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers for 30min to finish the preparation of the wet tissue.
Example two: referring to fig. 1, the invention discloses a preparation method of an anti-fog self-cleaning nano material, which comprises the following steps:
s1, preparing raw materials: 4 parts of nonionic surfactant, 3 parts of chelating agent, 2 parts of defoaming agent, 2 parts of antifreezing agent, 3 parts of dispersing agent, 35 parts of vinyl ester unsaturated polyester resin, 75 parts of deionized water, 20 parts of gamma-glycidyl ether oxypropyl trimethoxysilane, 2 parts of acrylic acid, 2 parts of crosslinking agent and 3 parts of ammonium sulfate;
s2, preparation of a mixed solution I: weighing the vinyl ester unsaturated polyester resin, the dispersing agent and the deionized water in the step S1 according to a ratio, putting into a material tank of a planetary ball mill, wherein the dispersing agent is a mixture of polyvinylpyrrolidone and nonylphenol polyoxyethylene ether, performing ball milling dispersion for 70min, and filtering to obtain a required mixed solution I;
s3, preparation of polypropylene nano slurry: sequentially adding a nonionic surfactant, gamma-glycidyl ether oxypropyltrimethoxysilane, acrylic acid, a cross-linking agent and ammonium sulfate into the mixed solution prepared in the step S2, wherein the nonionic surfactant is a mixture of polyglycerol-2 oleate, sorbitan stearate, sorbitol laurate and dimethicone copolyol, the cross-linking agent is ethylene glycol dimethacrylate, and uniformly stirring to obtain the required polypropylene nano slurry;
s4, preparation of polypropylene nano slurry suspension: suspending the polypropylene nano slurry prepared in the step S3 in polypropylene for treatment, and then centrifuging and cleaning to obtain polypropylene nano slurry suspension for later use;
s5, preparing a mixed solution II: adding an antifreezing agent, a chelating agent and a defoaming agent into the polypropylene nano slurry suspension prepared in the step S4, wherein the defoaming agent is polyoxyethylene polyoxypropylene ether, the chelating agent is methyl ethyl ketone peroxide, and the antifreezing agent is ethylene glycol; uniformly stirring to obtain a required mixed solution II;
s6, preparing a self-cleaning antifogging liquid: adding a neutralizing agent into the mixture obtained in the step S5, stirring and dispersing, adjusting the pH value of the solution to 6.5, filtering the mixed solution II prepared in the step S5, and filtering to obtain the required self-cleaning antifogging liquid;
s7, preparing wet tissues: and (3) cutting the required wet tissue into small sections of paper towels with equal length, putting the small sections of paper towels into the self-cleaning antifogging liquid prepared in the step S6, adding the self-cleaning antifogging liquid and the cut paper towels according to the weight ratio of 2: 1-3: 1, and soaking the wet tissue base material made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers for 38min to complete the preparation of the wet tissue.
Example three: referring to fig. 1, the invention discloses a preparation method of an anti-fog self-cleaning nano material, which comprises the following steps:
s1, preparing raw materials: 5 parts of nonionic surfactant, 2 parts of chelating agent, 3 parts of defoaming agent, 3 parts of antifreezing agent, 4 parts of dispersing agent, 45 parts of vinyl ester unsaturated polyester resin, 80 parts of deionized water, 25 parts of gamma-glycidyl ether oxypropyltrimethoxysilane, 4 parts of acrylic acid, 3 parts of crosslinking agent and 4 parts of ammonium sulfate;
s2, preparation of a mixed solution I: weighing the vinyl ester unsaturated polyester resin, the dispersing agent and the deionized water in the step S1 according to a ratio, putting into a material tank of a planetary ball mill, wherein the dispersing agent is a mixture of polyvinylpyrrolidone and polycarboxylic acid, performing ball milling dispersion for 80min, and filtering to obtain a required mixed solution I;
s3, preparation of polypropylene nano slurry: sequentially adding a nonionic surfactant, gamma-glycidyl ether oxypropyltrimethoxysilane, acrylic acid, a cross-linking agent and ammonium sulfate into the mixed solution prepared in the step S2, wherein the nonionic surfactant is a mixture of polyglycerol-2 oleate, sorbitan stearate, sorbitol laurate and dimethicone copolyol, the cross-linking agent is ethylene glycol dimethacrylate, the chelating agent is methyl ethyl ketone peroxide, and the anti-freezing agent is glycerol or ethylene glycol, and uniformly stirring to obtain the required polypropylene nano slurry;
s4, preparation of polypropylene nano slurry suspension: suspending the polypropylene nano slurry prepared in the step S3 in polypropylene for treatment, and then centrifuging and cleaning to obtain polypropylene nano slurry suspension for later use;
s5, preparing a mixed solution II: adding an antifreezing agent, a chelating agent and a defoaming agent into the polypropylene nano slurry suspension prepared in the step S4, wherein the defoaming agent is polyoxyethylene polyoxypropylene ether, and uniformly stirring to obtain a required mixed solution II;
s6, preparing a self-cleaning antifogging liquid: adding a neutralizing agent into the mixture obtained in the step S5, stirring and dispersing, adjusting the pH value of the solution to 6.5, filtering the mixed solution II prepared in the step S5, and filtering to obtain the required self-cleaning antifogging liquid;
s7, preparing wet tissues: and (3) cutting the required wet tissue into small sections of paper towels with equal length, putting the small sections of paper towels into the self-cleaning antifogging liquid prepared in the step S6, adding the self-cleaning antifogging liquid and the cut paper towels according to the weight ratio of 2: 1-3: 1, and soaking the wet tissue base material made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers for 40min to finish the preparation of the wet tissue.
Example four: referring to fig. 1, the invention discloses a preparation method of an anti-fog self-cleaning nano material, which comprises the following steps:
s1, preparing raw materials: 3 parts of nonionic surfactant, 2 parts of chelating agent, 3 parts of defoaming agent, 2 parts of antifreezing agent, 4 parts of dispersing agent, 38 parts of vinyl ester unsaturated polyester resin, 75 parts of deionized water, 22 parts of gamma-glycidyl ether oxypropyl trimethoxy silane, 3 parts of acrylic acid, 3 parts of crosslinking agent and 4 parts of ammonium sulfate;
s2, preparation of a mixed solution I: weighing the vinyl ester unsaturated polyester resin, the dispersing agent and the deionized water in the step S1 according to a ratio, putting into a material tank of a planetary ball mill, wherein the dispersing agent is a mixture of polyvinylpyrrolidone and nonylphenol polyoxyethylene ether, carrying out ball milling dispersion for 75min, and filtering to obtain a required mixed solution I;
s3, preparation of polypropylene nano slurry: sequentially adding a nonionic surfactant, gamma-glycidyl ether oxypropyltrimethoxysilane, acrylic acid, a cross-linking agent and ammonium sulfate into the mixed solution prepared in the step S2, wherein the nonionic surfactant is a mixture of polyglycerol-2 oleate, sorbitol laurate and dimethicone copolyol, the cross-linking agent is ethylene glycol dimethacrylate, and uniformly stirring to obtain the required polypropylene nano slurry;
s4, preparation of polypropylene nano slurry suspension: suspending the polypropylene nano slurry prepared in the step S3 in polypropylene for treatment, and then centrifuging and cleaning to obtain polypropylene nano slurry suspension for later use;
s5, preparing a mixed solution II: adding an antifreezing agent, a chelating agent and a defoaming agent into the polypropylene nano slurry suspension prepared in the step S4, wherein the defoaming agent is polyoxyethylene polyoxypropylene ether, the chelating agent is methyl ethyl ketone peroxide, and the antifreezing agent is ethylene glycol, and uniformly stirring to obtain a required mixed solution II;
s6, preparing a self-cleaning antifogging liquid: adding a neutralizing agent into the mixture obtained in the step S5, stirring and dispersing, adjusting the pH value of the solution to 6.5, filtering the mixed solution II prepared in the step S5, and filtering to obtain the required self-cleaning antifogging liquid;
s7, preparing wet tissues: and (3) cutting the required wet tissue into small sections of paper towels with equal length, putting the small sections of paper towels into the self-cleaning antifogging liquid prepared in the step S6, adding the self-cleaning antifogging liquid and the cut paper towels according to the weight ratio of 2: 1-3: 1, and soaking the wet tissue base material made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers for 42min to complete the preparation of the wet tissue.
And (4) judging the standard: through comparison of the four embodiments, the embodiment three with the best effect is selected, and therefore, the selection of the embodiment three as the best embodiment, and the specific change of the amount also belongs to the protection scope of the technical scheme.
The invention has the beneficial effects that: according to the preparation method of the anti-fog and self-cleaning nano material, the polypropylene nano slurry and the polypropylene nano suspension are prepared, so that the adhesion between the nano material and the base material is improved, the firmness and the wear resistance of the anti-fog and self-cleaning nano material on the base material are ensured, the polypropylene is used as a hydrophilic surface agent, the formation of water drops can be prevented by changing the hydrophilization of the surface of an object, the anti-scale effect is achieved, the drying speed is high, the stripe and spot resisting effects are achieved, and the anti-fog effect is more durable; the invention has simple preparation process and convenient operation, contains the gamma-glycidyl ether oxypropyl trimethoxy silane and the nano material, has stable performance and good storage stability, and has excellent high and low temperature resistance and aging resistance of inorganic materials and organosilicon materials.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The preparation method of the anti-fog self-cleaning nano material is characterized by comprising the following steps of:
s1, preparing raw materials: 3-5 parts of nonionic surfactant, 2-4 parts of chelating agent, 1-3 parts of defoaming agent, 2-3 parts of antifreezing agent, 3-5 parts of dispersing agent, 25-50 parts of vinyl ester unsaturated polyester resin, 70-80 parts of deionized water, 15-30 parts of gamma-glycidyl ether oxypropyl trimethoxy silane, 1-6 parts of acrylic acid, 1-5 parts of crosslinking agent and 2-6 parts of ammonium sulfate;
s2, preparation of a mixed solution I: weighing the vinyl ester unsaturated polyester resin, the dispersing agent and the deionized water in the step S1 according to a proportion, putting the materials into a material tank of a planetary ball mill, performing ball milling and dispersing, and filtering to obtain a required mixed solution I;
s3, preparation of polypropylene nano slurry: sequentially adding a nonionic surfactant, gamma-glycidyl ether oxypropyltrimethoxysilane, acrylic acid, a cross-linking agent and ammonium sulfate into the mixed solution prepared in the step S2, and uniformly stirring to obtain the required polypropylene nano slurry;
s4, preparation of polypropylene nano slurry suspension: suspending the polypropylene nano slurry prepared in the step S3 in polypropylene for treatment, and then centrifuging and cleaning to obtain polypropylene nano slurry suspension for later use;
s5, preparing a mixed solution II: adding an antifreezing agent, a chelating agent and a defoaming agent into the polypropylene nano slurry suspension prepared in the step S4, and uniformly stirring to obtain a required mixed solution II;
s6, preparing a self-cleaning antifogging liquid: adding a neutralizing agent into the mixture obtained in the step S5, stirring and dispersing, adjusting the pH value of the solution to 6.5, filtering the mixed solution II prepared in the step S5, and filtering to obtain the required self-cleaning antifogging liquid;
s7, preparing wet tissues: and (4) cutting the required wet tissue into small sections of paper towels with equal length, putting the small sections of paper towels into the self-cleaning antifogging liquid prepared in the step S6, and soaking for 30-45min to finish the preparation of the wet tissue.
2. The method for preparing an anti-fog and self-cleaning nano-material as claimed in claim 1, wherein the non-ionic surfactant in step S3 is one or more of polyglycerol-2 oleate, sorbitan stearate, sorbitan laurate, dimethicone copolyol, polysorbate, and sorbitan fatty acid ester.
3. The method for preparing the anti-fog self-cleaning nano material as claimed in claim 1, wherein the ball milling dispersion time in the step S2 is 60-90 min.
4. The method for preparing the anti-fog self-cleaning nano-material according to claim 1, wherein the cross-linking agent in the step S3 is ethylene glycol dimethacrylate; the chelating agent in the step S5 is methyl ethyl ketone peroxide; the antifreeze in the step S5 is glycerin or ethylene glycol.
5. The method for preparing an anti-fog self-cleaning nano material as claimed in claim 1, wherein the wet tissue base material in the step S7 is made of modified polypropylene fiber, bamboo pulp fiber and cotton fiber.
6. The method for preparing an anti-fog self-cleaning nanomaterial according to claim 1, wherein the defoaming agent in the step S5 is one or more of polyoxyethylene polyoxypropylene amine ether, polyoxypropylene polyoxyethylene glycerol ether or polydimethylsiloxane.
7. The method for preparing the anti-fog self-cleaning nanomaterial according to claim 1, wherein the dispersing agent in the step S2 is one or a mixture of more than two of polyvinylpyrrolidone, nonylphenol polyoxyethylene ether and polycarboxylic acid.
8. The preparation method of the anti-fog and self-cleaning nano material according to claim 1, wherein the self-cleaning anti-fog liquid and the cut paper towel in the step S7 are added according to a weight ratio of 2: 1-3: 1.
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| CN202110946338.6A CN113737526A (en) | 2021-08-18 | 2021-08-18 | Preparation method of antifogging and self-cleaning nano material |
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| CN106038356A (en) * | 2016-07-04 | 2016-10-26 | 苏州宝丽洁日化有限公司 | Physical antibacterial wet wipe and preparation method thereof |
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| CN112457922A (en) * | 2021-01-14 | 2021-03-09 | 南昌迈进科技有限公司 | Formula and using method of antifogging wet tissue for lenses |
| CN112641699A (en) * | 2020-12-24 | 2021-04-13 | 张殿荣 | Antibacterial wet tissue and preparation method thereof |
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| CN106038356A (en) * | 2016-07-04 | 2016-10-26 | 苏州宝丽洁日化有限公司 | Physical antibacterial wet wipe and preparation method thereof |
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