CN1844270A - Nano antibacterial powdered paint and its micro-suspension one-step preparation therefor - Google Patents
Nano antibacterial powdered paint and its micro-suspension one-step preparation therefor Download PDFInfo
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- CN1844270A CN1844270A CN 200610012719 CN200610012719A CN1844270A CN 1844270 A CN1844270 A CN 1844270A CN 200610012719 CN200610012719 CN 200610012719 CN 200610012719 A CN200610012719 A CN 200610012719A CN 1844270 A CN1844270 A CN 1844270A
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Abstract
The invention relates to a manufacturing domain of nanopowder composite, especially to a nano antibacterial powder coating and one-step manufacturing method of microsuspension. The nano antibacterial powder coating consists of water, mixture monomer, pigment, surface processing agent, nanometre-sized inorganic antiseptic particle and auxiliary agent. The method comprises dispersing components such as water and suspending disperser by ultra-audio wave, then performing dispersion by high-shear emulsifier to prepare the predispersion; afterwards, adding the other components into polymerization kettle according to priority, after agitation and heating, adding the said predispersion at one time, reacting at a constant temperature, then cooling, discharge, centrifugally dewatering and drying to obtain the product. The invention solves the problems that the nanoparticles are easy to aggregate inside the organic polymer existed in present technology and the manufacturing engineering of the traditional powder coating is difficult, and has advantages that the process flow is short, the equipment investment is low, and can save working hours and energy resource, is of no dust pollution, the prepared powder coating particles is of regular shape, and has better levelling property in application.
Description
Technical field
The present invention relates to a kind of nano powder composite material and make field, particularly nano-antibacterial powder coating and micro-suspension one-step manufacturing process thereof.
Background technology
In recent years, along with a large amount of uses of microbiotic, chemicals and increasing the weight of of environmental pollution, bacterium and virus just cause more and more serious harm to the mankind.The 0-157 coli-infection incident of Japanese big area outburst confirmed to resist the urgency and the sternness of the bacterium and the harm of virus invariably to today " severe acute respiratory syndrome " and " bird flu " to us from 1996.Will effectively prevent bacterial growth, using anti-biotic material is the most simple and efficient method, therefore, lives closely-related coating employing antibiotic paint to the protection human health with people, reduces disease, has crucial meaning.Powder coating is widely used in fields such as household, building materials, household supplies and transportation equipment, along with the raising of people's living standard, and to the growing interest of health, also more and more stronger to the demand of antibiotic paint.
Make antibiotic paint and must use antiseptic-germicide, antiseptic-germicide mainly divides natural, organic and inorganic three major types.Natural antibacterial agent is short work-ing life, poor heat resistance (150 ℃～180 ℃ charings are decomposed).Organic antibacterial agent easily produces microorganism anti-(resisting) property of medicine, and has shortcomings such as easily migration, poor heat resistance, easy decomposition failure under the powder coating processing temperature, and degradation production may cause secondary pollution.The inorganic oxide nanoparticles antiseptic-germicide both can utilize the antibacterial ability of metal ion, also can utilize the germ resistance of nanoparticle, it does not produce resistance and safety non-toxic, and particularly its outstanding thermotolerance (＞600 ℃) has remarkable advantages in the application of multiple antimicrobial prod.
The traditional technology of preparation nano-antibacterial powder coating comprises that resin is synthetic, mixing of materials, heating and melting, cooling granulation, mechanical disintegration, cross screen sizing six big processing steps, but because nano particle diameter is little, specific surface area and surface energy are very big, be easy to reunite, even the primary particle size that obtains by chemical process reaches nano level, but these primary particles still can be reunited very well in processing powder coating process, become hundreds of nanometer even larger sized reunion grain, so simple inorganic nano-particle is difficult for being scattered in the organic polymer, and between organic polymer and the inorganic particulate serious phenomenon of phase separation is often arranged.This has seriously hindered the performance of nanoparticle performance, and therefore improving the dispersion of nanoparticle in the powder coating polymkeric substance seems particularly important.In addition, irregular by the powder coating particle shape that melt extrudes comminuting method preparation, contain trilateral, cubic shape or spherical etc. multiple, this can influence powder coating levelling property in use.
Powder coating belongs to one of environment-friendly type coating, be widely used in oil field and the natural gas line anticorrosion, automobile making, refrigerator, washing machine, manufacturing fields such as five metals household electrical appliances, the preparation of nano-antibacterial powder coating generally is to add antiseptic-germicide (as inorganic nano titanium dioxide, the zinc oxide particle), the manufacture method of traditional powder coating belongs to the physical mechanical breaking method, its main drawback is a long flow path, facility investment is big, waste man-hour, waste energy and serious drawbacks such as dust pollution, and the nano antibacterial agent particle is difficult for disperseing, influence the performance of its function, further influence the quality of product, as seen, the new technology of the exploitation coating that makes powder seems very necessary.
Summary of the invention
The objective of the invention is to overcome the deficiency that above traditional powder coating manufacturing process is numerous and diverse and nanoparticle is easily reunited, a kind of nano-antibacterial powder coating and micro-suspension one-step manufacturing process thereof are provided.
The nano-antibacterial powder coating is made by following components in part by weight among the present invention:
Water 150～300 mix monomers 80～150 nano antibacterial agent particles 10～20
Color stuffing 30-50 auxiliary agent 3～20 surface treatment agents 1～10
Wherein mix monomer is the mixed thing of hard monomer, soft monomer and function monomer, and auxiliary agent is suspension dispersive agent, initiator, dispersion aids and water stopper.
Specifically consisting of of each component wherein:
Each composition weight proportioning is in the mix monomer:
Hard monomer 60～90 soft monomers 20～50 function monomers 2～10
Wherein hard monomer is one or more the mixture in methyl methacrylate, methyl acrylate, vinylbenzene, vinyl toluene, vinyl acetate between to for plastic, acrylonitrile, the methacrylic eyeball; Soft monomer is one or more the mixture in ethyl propenoate, butyl acrylate, Ethyl acrylate, Octyl acrylate, Isooctyl acrylate monomer, the 2-EHA; Function monomer is one or more the mixture in vinylformic acid, itaconicacid, methacrylic acid, propenoic acid beta-hydroxy ethyl ester, propenoic acid beta-hydroxy propyl ester, Jia Jibingxisuanβ-Qiang Yizhi, methacrylic acid β-hydroxypropyl acrylate, N hydroxymethyl acrylamide, the N-methoxymethyl acrylamide.
The inorganic nano antiseptic particle is one or more mixtures of particles such as nano titanium oxide, nano zine oxide, nano calcium oxide, nano aluminium oxide.
Color stuffing comprises tinting pigment and pigment extender, tinting pigment is one or more the mixture in titanium dioxide, zinc sulfide white, zinc oxide, iron oxide red, iron oxide yellow, ultramarine, the chrome green, pigment extender is one or more the mixture in lime carbonate, china clay, talcum powder, ground barium sulfate, the superfine alumina silicate, and tinting pigment and pigment extender are oleophylic water repellency pigment after treatment.
Suspension dispersive agent in the auxiliary agent is a gelatinum, gelatine, polyvinyl alcohol 1788, polyvinyl alcohol 1799, polyvinyl alcohol 1793, polyvinyl alcohol 1778, polyvinyl alcohol 2088, carboxymethyl cellulose, the mixture of one or more in the polyethylene pyrrolidone, dispersion aids is a sodium lauryl sulphate, Sodium dodecylbenzene sulfonate, OP-10, OP-40, the mixture of one or more among the MS-1, initiator is a benzoyl peroxide, lauroyl peroxide, di-isopropyl peroxydicarbonate, di-cyclohexylperoxy dicarbonate, azo two isobutyls are fine, the mixture of one or more during two different heptan of azo are fine, the water stopper is a Repone K, sodium-chlor, the mixture of one or more in cupric chloride and the sodium sulfate.
Surface treatment agent is one or more the mixture in coupling agent, alkylphenol polyoxyethylene series, the alkyl alcohol Soxylat A 25-7 series of surfactants such as stearic acid, polyethylene pyrrolidone, trieline base silane, triethoxyl silane, titanate ester.
Preparation method of the present invention is:
It is made up of following processing step:
A, water with 40%～80%, 50%～80% suspension dispersive agent, initiator, dispersion aids, mix monomer and through surface-treated inorganic nano antiseptic particle and color stuffing pass through ultrasonic dispersing, disperse through high-shear emulsion machine again, make that to give dispersion liquid stand-by;
B, with remaining water, suspension dispersive agent and water stopper, add reactor successively according to the order of sequence, start to stir and make the suspension dispersive agent dissolving, be heated to 60～90 ℃, disposable adding A step give dispersion liquid, 70 ℃～85 ℃ reactions 1.5～5 hours, be warming up to 80 ℃～85 ℃ afterreactions 4～6 hours, cooling, discharging, centrifuge dehydration, oven dry promptly get product.
The obtained technical progress of the present invention is:
Change the manufacture method of traditional powder coating into 1 footwork from 6 footworks, compare with the conventional fabrication processes of powder coating, technical process is short, facility investment is few, save the man-hour and the energy, and dust pollution is lighter.Solved simultaneously nanoparticle easy reunion and with the compatibility issue of polymkeric substance.This nano-antibacterial powder coating in use has levelling property preferably.
Embodiment
Below in conjunction with embodiment the present invention is further described:
Embodiment
Each set of dispense ratio is:
Deionized water 250 mix monomers 102 inorganic nano antiseptic particles 10
Color stuffing 30 auxiliary agents 5.6 surface treatment agents 1.0
The ratio of components of above-mentioned mix monomer ingredient is:
Hard monomer 80 soft monomers 30 function monomers 2.
Wherein the inorganic nano antiseptic particle is selected nano zinc oxide powder for use, the consisting of of hard monomer:
Methyl methacrylate (polymerization-grade) 65 vinylbenzene (polymerization-grade) 15
Soft monomer is selected butyl acrylate (polymerization-grade) for use, and function monomer is selected vinylformic acid (polymerization-grade) for use, and the suspension dispersive agent in the auxiliary agent is for selecting polyvinyl alcohol 1788 for use, dispersion aids is selected OP-10 (polymerization-grade) for use, initiator selects for use the azo isobutyl fine, and the water stopper is selected Repone K for use, the consisting of of auxiliary agent:
Polyvinyl alcohol 1,788 2.5 OP-10 (polymerization-grade) 0.1 azo isobutyl fine 2.5
Repone K 0.5
The preparation method is:
A, 150 ml waters, 3 gram polyvinyl alcohol and 0.1 gram OP-10 added have in 500 milliliters the reactor of stirring, heating, stir and make the polyvinyl alcohol dissolving stand-by.Take by weighing methyl methacrylate, vinylbenzene, butyl acrylate, vinylformic acid, add initiator, the dissolving back adds through surface-treated inorganic nano antiseptic particle and color stuffing, with ultrasonic dispersing 30 minutes, under high-shear emulsion machine dispersive situation, add suspension solution, disperse to make in 20 minutes that to give dispersion liquid stand-by;
B, remaining 100 ml water, 2 gram polyvinyl alcohol, Repone K are added polymeric kettle, start to stir and make the polyvinyl alcohol dissolving, be heated to 80 ℃, dispersion liquid is given in disposable adding, and reaction is 2 hours under 80 ℃ of constant temperature; Then reacted 3 hours down at 83 ℃, cooling, discharging, centrifuge dehydration, oven dry promptly get product again.
Properties of sample:
[1] outward appearance: white powder;
[particle diameter]: 20～50 μ m;
[3] particle shape: regular ball-type or spheroid shape.
Claims (7)
1, nano-antibacterial powder coating is characterized in that it is made by following components in part by weight:
Water 150～300 mix monomers 80～150 nano antibacterial agent particles 10～20
Color stuffing 30-50 auxiliary agent 3～20 surface treatment agents 1～10
Wherein mix monomer is the mixed thing of hard monomer, soft monomer and function monomer, and auxiliary agent is suspension dispersive agent, initiator, dispersion aids and water stopper.
2, nano-antibacterial powder coating according to claim 1 is characterized in that each composition weight proportioning is in the described mix monomer:
Hard monomer 60～90 soft monomers 20～50 function monomers 2～10
Wherein hard monomer is one or more the mixture in methyl methacrylate, methyl acrylate, vinylbenzene, vinyl toluene, vinyl acetate between to for plastic, acrylonitrile, the methacrylic eyeball; Soft monomer is one or more the mixture in ethyl propenoate, butyl acrylate, Ethyl acrylate, Octyl acrylate, Isooctyl acrylate monomer, the 2-EHA; Function monomer is one or more the mixture in vinylformic acid, itaconicacid, methacrylic acid, propenoic acid beta-hydroxy ethyl ester, propenoic acid beta-hydroxy propyl ester, Jia Jibingxisuanβ-Qiang Yizhi, methacrylic acid β-hydroxypropyl acrylate, N hydroxymethyl acrylamide, the N-methoxymethyl acrylamide.
3, nano-antibacterial powder coating according to claim 1 is characterized in that described inorganic nano antiseptic particle is one or more mixtures of particles such as nano titanium oxide, nano zine oxide, nano calcium oxide, nano aluminium oxide.
4, nano-antibacterial powder coating according to claim 1, it is characterized in that described color stuffing comprises tinting pigment and pigment extender, tinting pigment is one or more the mixture in titanium dioxide, zinc sulfide white, zinc oxide, iron oxide red, iron oxide yellow, ultramarine, the chrome green, pigment extender is one or more the mixture in lime carbonate, china clay, talcum powder, ground barium sulfate, the superfine alumina silicate, and tinting pigment and pigment extender are oleophylic water repellency pigment after treatment.
5, nano-antibacterial powder coating according to claim 1, it is characterized in that the suspension dispersive agent in the described auxiliary agent is a gelatinum, gelatine, polyvinyl alcohol 1788, polyvinyl alcohol 1799, polyvinyl alcohol 1793, polyvinyl alcohol 1778, polyvinyl alcohol 2088, carboxymethyl cellulose, the mixture of one or more in the polyethylene pyrrolidone, dispersion aids is a sodium lauryl sulphate, Sodium dodecylbenzene sulfonate, OP-10, OP-40, the mixture of one or more among the MS-1, initiator is a benzoyl peroxide, lauroyl peroxide, di-isopropyl peroxydicarbonate, di-cyclohexylperoxy dicarbonate, azo two isobutyls are fine, the mixture of one or more during two different heptan of azo are fine, the water stopper is a Repone K, sodium-chlor, the mixture of one or more in cupric chloride and the sodium sulfate.
6, nano-antibacterial powder coating according to claim 1 is characterized in that surface treatment agent is one or more the mixture in coupling agent, alkylphenol polyoxyethylene series, the alkyl alcohol Soxylat A 25-7 series of surfactants such as stearic acid, polyethylene pyrrolidone, trieline base silane, triethoxyl silane, titanate ester.
7, the micro-suspension one-step manufacturing process of nano-antibacterial powder coating according to claim 1 is characterized in that it is made up of following processing step:
A, water with 40%～80%, 50%～80% suspension dispersive agent, initiator, dispersion aids, mix monomer and through surface-treated inorganic nano antiseptic particle and color stuffing pass through ultrasonic dispersing, disperse through high-shear emulsion machine again, make that to give dispersion liquid stand-by;
B, with remaining water, suspension dispersive agent and water stopper, add reactor successively according to the order of sequence, start to stir and make the suspension dispersive agent dissolving, be heated to 60～90 ℃, disposable adding A step give dispersion liquid, 70 ℃～85 ℃ reactions 1.5～5 hours, be warming up to 80 ℃～85 ℃ afterreactions 4～6 hours, cooling, discharging, centrifuge dehydration, oven dry promptly get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610012719 CN1844270A (en) | 2006-05-17 | 2006-05-17 | Nano antibacterial powdered paint and its micro-suspension one-step preparation therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610012719 CN1844270A (en) | 2006-05-17 | 2006-05-17 | Nano antibacterial powdered paint and its micro-suspension one-step preparation therefor |
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| CN1844270A true CN1844270A (en) | 2006-10-11 |
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| CN 200610012719 Pending CN1844270A (en) | 2006-05-17 | 2006-05-17 | Nano antibacterial powdered paint and its micro-suspension one-step preparation therefor |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959949B (en) * | 2008-01-08 | 2012-12-12 | 3M创新有限公司 | Nanoparticle dispersion, compositions containing the same, and articles made therefrom |
| CN103232776A (en) * | 2013-05-31 | 2013-08-07 | 滁州市宏源喷涂有限公司 | Water-soluble environment-friendly anticorrosive coating and preparation method thereof |
| CN103232775A (en) * | 2013-05-31 | 2013-08-07 | 滁州市宏源喷涂有限公司 | Water-soluble anticorrosive coating and preparation method thereof |
| CN103304724A (en) * | 2012-03-08 | 2013-09-18 | 无锡洪汇新材料科技股份有限公司 | Vinyl chloride-acrylic acid ester-vinyl acetate-acrylic acid copolymerized emulsion |
| CN103468050A (en) * | 2013-09-05 | 2013-12-25 | 常熟市三新红木家具厂 | Preparation method of antibacterial finish paint for redwood furniture |
| CN103555044A (en) * | 2013-10-23 | 2014-02-05 | 三棵树涂料股份有限公司 | Nano multifunctional paint additive |
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| CN104356818A (en) * | 2014-12-10 | 2015-02-18 | 李永志 | Antibacterial coating |
| CN104403459A (en) * | 2014-12-19 | 2015-03-11 | 常熟市方塔涂料化工有限公司 | Waterproof and antibacterial coating |
| CN104530840A (en) * | 2014-11-28 | 2015-04-22 | 高峰 | Coating |
| CN103382354B (en) * | 2013-07-08 | 2015-06-17 | 吴江华诚复合材料科技有限公司 | Anticorrosive and antibacterial novolac epoxy resin powdery paint |
| CN104804581A (en) * | 2015-04-09 | 2015-07-29 | 牛无畏 | Environment-friendly dry powder interior wall coating and preparation method thereof |
| CN105532655A (en) * | 2016-02-25 | 2016-05-04 | 惠州市环美盛新材料有限公司 | Inorganic nano-composite antibacterial rubber-latex glove liquid concentrate and preparation method thereof |
| CN105694732A (en) * | 2016-03-21 | 2016-06-22 | 苏州市湘园特种精细化工有限公司 | Water-proof antibacterial paint |
| CN105925103A (en) * | 2016-06-23 | 2016-09-07 | 江苏科德宝建筑节能科技有限公司 | Production method of antibacterial coating, antibacterial coating and ventilated antibacterial film containing antibacterial coating |
| CN106087545A (en) * | 2016-06-16 | 2016-11-09 | 铜陵锋帆彩色印务有限公司 | Anti-mildew cardboard and preparation method thereof |
| CN106084949A (en) * | 2016-06-17 | 2016-11-09 | 枞阳县新天地高新材料有限公司 | A kind of environmental protection antibiotic paint |
| CN106118155A (en) * | 2016-06-23 | 2016-11-16 | 江苏科德宝建筑节能科技有限公司 | A kind of antibiotic paint and air-permeable anti-bacterial film and waterproof and breathable Antibiotic Membrane thereof |
| CN106957574A (en) * | 2017-04-07 | 2017-07-18 | 佛山市蓝瑞欧特信息服务有限公司 | A kind of antibacterial and mouldproof hydrophobic coating |
| CN107163642A (en) * | 2017-07-11 | 2017-09-15 | 北京中欧普瑞科技有限公司 | The application of photocatalyst film and photocatalyst film |
| CN107513298A (en) * | 2017-08-22 | 2017-12-26 | 北京中欧普瑞科技有限公司 | Improve the application of the photocatalyst product and photocatalyst product of adhesive force |
| CN109796801A (en) * | 2017-11-17 | 2019-05-24 | 上海青木环保工程有限公司 | A kind of paint taste removal spray liniment and its preparation process |
| CN111807373A (en) * | 2020-07-01 | 2020-10-23 | 湖南翰墨新材料有限公司 | Inorganic nano material with polymer performance and preparation method thereof |
| WO2020252734A1 (en) * | 2019-06-20 | 2020-12-24 | 墙煌新材料股份有限公司 | Antibacterial home appliance lining plate |
| CN115337251A (en) * | 2022-08-19 | 2022-11-15 | 南京斯拜科生物科技股份有限公司 | Continuous preparation method of natural plant melanin nano powder |
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2006
- 2006-05-17 CN CN 200610012719 patent/CN1844270A/en active Pending
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| CN101959949B (en) * | 2008-01-08 | 2012-12-12 | 3M创新有限公司 | Nanoparticle dispersion, compositions containing the same, and articles made therefrom |
| CN103304724A (en) * | 2012-03-08 | 2013-09-18 | 无锡洪汇新材料科技股份有限公司 | Vinyl chloride-acrylic acid ester-vinyl acetate-acrylic acid copolymerized emulsion |
| CN103232775B (en) * | 2013-05-31 | 2016-03-09 | 滁州市宏源喷涂有限公司 | A kind of water soluble anti-corrosion paint and preparation method thereof |
| CN103232776A (en) * | 2013-05-31 | 2013-08-07 | 滁州市宏源喷涂有限公司 | Water-soluble environment-friendly anticorrosive coating and preparation method thereof |
| CN103232775A (en) * | 2013-05-31 | 2013-08-07 | 滁州市宏源喷涂有限公司 | Water-soluble anticorrosive coating and preparation method thereof |
| CN103382354B (en) * | 2013-07-08 | 2015-06-17 | 吴江华诚复合材料科技有限公司 | Anticorrosive and antibacterial novolac epoxy resin powdery paint |
| CN103468050A (en) * | 2013-09-05 | 2013-12-25 | 常熟市三新红木家具厂 | Preparation method of antibacterial finish paint for redwood furniture |
| CN103555044A (en) * | 2013-10-23 | 2014-02-05 | 三棵树涂料股份有限公司 | Nano multifunctional paint additive |
| CN103709298A (en) * | 2013-12-16 | 2014-04-09 | 丽王化工(南通)有限公司 | Non-formaldehyde fluorescent paint emulsion and preparation method thereof |
| CN103709298B (en) * | 2013-12-16 | 2016-07-06 | 丽王化工(南通)有限公司 | A kind of Non-formaldehyde fluorescent paint emulsion and preparation method thereof |
| CN104263108A (en) * | 2014-09-05 | 2015-01-07 | 天长市巨龙车船涂料有限公司 | Corrosion-resistant bactericidal paint |
| CN104530840A (en) * | 2014-11-28 | 2015-04-22 | 高峰 | Coating |
| CN104356818A (en) * | 2014-12-10 | 2015-02-18 | 李永志 | Antibacterial coating |
| CN104403459A (en) * | 2014-12-19 | 2015-03-11 | 常熟市方塔涂料化工有限公司 | Waterproof and antibacterial coating |
| CN104804581A (en) * | 2015-04-09 | 2015-07-29 | 牛无畏 | Environment-friendly dry powder interior wall coating and preparation method thereof |
| CN105532655A (en) * | 2016-02-25 | 2016-05-04 | 惠州市环美盛新材料有限公司 | Inorganic nano-composite antibacterial rubber-latex glove liquid concentrate and preparation method thereof |
| CN105694732A (en) * | 2016-03-21 | 2016-06-22 | 苏州市湘园特种精细化工有限公司 | Water-proof antibacterial paint |
| CN106087545A (en) * | 2016-06-16 | 2016-11-09 | 铜陵锋帆彩色印务有限公司 | Anti-mildew cardboard and preparation method thereof |
| CN106084949A (en) * | 2016-06-17 | 2016-11-09 | 枞阳县新天地高新材料有限公司 | A kind of environmental protection antibiotic paint |
| CN106118155B (en) * | 2016-06-23 | 2019-01-22 | 江苏科德宝建筑节能科技有限公司 | A kind of antibiotic paint and air-permeable anti-bacterial film and its waterproof and breathable Antibiotic Membrane |
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| CN106118155A (en) * | 2016-06-23 | 2016-11-16 | 江苏科德宝建筑节能科技有限公司 | A kind of antibiotic paint and air-permeable anti-bacterial film and waterproof and breathable Antibiotic Membrane thereof |
| CN106957574A (en) * | 2017-04-07 | 2017-07-18 | 佛山市蓝瑞欧特信息服务有限公司 | A kind of antibacterial and mouldproof hydrophobic coating |
| CN107163642A (en) * | 2017-07-11 | 2017-09-15 | 北京中欧普瑞科技有限公司 | The application of photocatalyst film and photocatalyst film |
| CN107163642B (en) * | 2017-07-11 | 2019-12-03 | 北京中欧普瑞科技有限公司 | The application of photocatalyst film and photocatalyst film |
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| CN107513298B (en) * | 2017-08-22 | 2019-12-03 | 北京中欧普瑞科技有限公司 | Improve the application of the photocatalyst product and photocatalyst product of adhesive force |
| CN109796801A (en) * | 2017-11-17 | 2019-05-24 | 上海青木环保工程有限公司 | A kind of paint taste removal spray liniment and its preparation process |
| WO2020252734A1 (en) * | 2019-06-20 | 2020-12-24 | 墙煌新材料股份有限公司 | Antibacterial home appliance lining plate |
| CN111807373A (en) * | 2020-07-01 | 2020-10-23 | 湖南翰墨新材料有限公司 | Inorganic nano material with polymer performance and preparation method thereof |
| CN111807373B (en) * | 2020-07-01 | 2021-05-07 | 湖南翰墨新材料有限公司 | Inorganic nano material with polymer performance and preparation method thereof |
| CN115337251A (en) * | 2022-08-19 | 2022-11-15 | 南京斯拜科生物科技股份有限公司 | Continuous preparation method of natural plant melanin nano powder |
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