CN112878066A - Antibacterial corrosion-resistant anti-scaling food-grade nano composite coating and preparation method thereof - Google Patents
Antibacterial corrosion-resistant anti-scaling food-grade nano composite coating and preparation method thereof Download PDFInfo
- Publication number
- CN112878066A CN112878066A CN202110068164.8A CN202110068164A CN112878066A CN 112878066 A CN112878066 A CN 112878066A CN 202110068164 A CN202110068164 A CN 202110068164A CN 112878066 A CN112878066 A CN 112878066A
- Authority
- CN
- China
- Prior art keywords
- coating
- scaling
- layer
- antibacterial
- corrosion
- 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
- 239000011248 coating agent Substances 0.000 title claims abstract description 83
- 238000000576 coating method Methods 0.000 title claims abstract description 83
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 41
- 238000005260 corrosion Methods 0.000 title claims abstract description 38
- 230000007797 corrosion Effects 0.000 title claims abstract description 16
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 17
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 17
- 239000003365 glass fiber Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 239000004814 polyurethane Substances 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 7
- 238000001556 precipitation Methods 0.000 claims abstract description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 14
- 239000004332 silver Substances 0.000 claims description 14
- 229910052709 silver Inorganic materials 0.000 claims description 14
- 230000003115 biocidal effect Effects 0.000 claims description 13
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 239000004408 titanium dioxide Substances 0.000 claims description 11
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 239000003242 anti bacterial agent Substances 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000003301 hydrolyzing effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 239000012716 precipitator Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 3
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 5
- 239000002086 nanomaterial Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005476 size effect Effects 0.000 abstract description 2
- 239000004005 microsphere Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0022—Glass fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/128—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with silicon polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/142—Hydrophobic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/146—Soilproof, soil repellent
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses an antibacterial corrosion-resistant anti-scaling food-grade nano composite coating and a preparation method thereof, wherein the coating comprises a coating main body, the coating main body comprises an antibacterial layer, an anti-scaling anti-corrosion layer, a waterproof layer and a reinforcing layer, the antibacterial layer is arranged at the bottom of the anti-scaling anti-corrosion layer, and the waterproof layer is arranged at the bottom of the antibacterial layer, so that the antibacterial anti-scaling nano composite coating has the beneficial effects that: the nano silicon dioxide coating is prepared by a uniform precipitation method, the method is simple and convenient, the raw material cost is low, the coating not only has the advantages of the nano material, but also overcomes the biosafety problem possibly caused by the nano size effect to a certain extent, the anti-scaling and anti-corrosion performance of the coating can be improved by arranging the anti-scaling and anti-corrosion layer as the nano silicon dioxide coating material, the waterproof performance of the coating can be improved by arranging the waterproof layer as the polyurethane waterproof coating, the strength of the coating can be improved by arranging the reinforcing layer as the glass fiber cloth, and the operation quality is greatly improved compared with the traditional composite coating.
Description
Technical Field
The invention belongs to the technical field of coating preparation, and particularly relates to an antibacterial corrosion-resistant anti-scaling food-grade nano composite coating and a preparation method thereof.
Background
In the existing life, the composite coating is a spraying coating composed of two or more different materials, and the traditional composite coating has poor corrosion resistance and antibacterial ability in the using process, can not effectively prevent scaling and is difficult to meet the requirements of modern life and production.
The invention content is as follows:
the invention aims to solve the problems in the prior art by providing an antibacterial corrosion-resistant anti-scaling food-grade nano composite coating and a preparation method thereof.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides an antibiotic corrosion-resistant anti-scaling food-grade nano composite coating, includes the coating main part, the coating main part is including antibiotic layer, anti-scaling anti-corrosion coating, waterproof layer and back up coat, the bottom of anti-scaling anti-corrosion coating is equipped with antibiotic layer, the bottom of antibiotic layer is equipped with the waterproof layer, the bottom of waterproof layer is equipped with the back up coat.
Preferably, the antibacterial layer is made of a silver-loaded titanium dioxide antibacterial coating material.
Preferably, the anti-scaling and anti-corrosion layer is made of nano silicon dioxide coating materials.
Preferably, the synthesis of the silver-loaded titanium dioxide antibacterial coating in the antibacterial layer takes titanium sulfate as a titanium source, silver nitrate as a silver source, urea as a precipitator and ethylene glycol as a dispersing agent, and takes polyvinylpyrrolidone and sodium dodecyl sulfate as stabilizing agents respectively, and the silver-loaded titanium dioxide antibacterial coating is prepared by adopting a homogeneous precipitation method under the condition of heating in a shaking water bath at 90 ℃.
Preferably, the preparation of the nano-silica coating in the anti-scaling and anti-corrosion layer comprises the following steps:
s1, firstly, using absolute ethyl alcohol as a dispersing agent and ammonia water solution as a catalyst, preparing nano silicon dioxide particles by hydrolyzing tetraethoxysilane, stirring the mixture for 24 hours at the room temperature of 15-25 ℃, separating the nano silicon dioxide particles from the solution by centrifugal separation, washing 3 times with absolute ethyl alcohol, and then drying in vacuum for 12 hours:
s2, placing 3g of nano silica particles into 25mL of hexanol by using an experimental ultrasonic disperser, ultrasonically dispersing for 20 minutes, mixing and stirring the mixture and 1g of HTPS for 24 hours at room temperature, then mixing and stirring with 0.08g of DBTD and 10mL of hexanol for 30 minutes, grafting the HTPS to the surfaces of the nano silica particles, placing the HTPS modified nano silica particles into a precise oven, and drying for 2 hours at the temperature of 60 ℃:
s3, further modifying the HTPS modified silica particles by APTES, sequentially dispersing 3g of the HTPS modified nano silica particles and 1mL of APTES in 30mL of ethanol through ultrasonic treatment, then mixing and ultrasonically dispersing for 30 minutes, finally dropwise adding 1mL of deionized water into the mixture at the speed of 0.2mL/min, and ultrasonically dispersing for 3 hours to obtain the HTPS and APTES modified nano silica particles:
and S4, finally, mixing the modified nano silicon dioxide particles with ethyl acetate, magnetically stirring and ultrasonically oscillating, then adding a fluorosilicone resin-epoxy resin compound according to a certain proportion, and uniformly stirring to obtain the coating liquid.
Preferably, the waterproof layer is made of polyurethane waterproof paint.
Preferably, the reinforcing layer is made of glass fiber cloth.
Preferably, the glass fiber cloth is formed by overlapping at least two layers of glass fiber sheets, and the adjacent glass fiber sheets are arranged in a staggered mode.
The invention has the beneficial effects that: the nano silicon dioxide coating is prepared by a uniform precipitation method, the method is simple and convenient, the raw material cost is low, the coating not only has the advantages of the nano material, but also overcomes the biosafety problem possibly caused by the nano size effect to a certain extent, the anti-scaling and anti-corrosion performance of the coating can be improved by arranging the anti-scaling and anti-corrosion layer as the nano silicon dioxide coating material, the waterproof performance of the coating can be improved by arranging the waterproof layer as the polyurethane waterproof coating, the strength of the coating can be improved by arranging the reinforcing layer as the glass fiber cloth, and the operation quality is greatly improved compared with the traditional composite coating.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a coating body; 2. an antimicrobial layer; 3. an anti-scaling and anti-corrosion layer; 4. a waterproof layer; 5. and a reinforcing layer.
The specific implementation mode is as follows:
as shown in fig. 1, the specific embodiment of the present invention adopts the following technical solutions:
example (b):
the utility model provides an antibiotic corrosion-resistant anti-scaling food-grade nano composite coating, includes coating main part 1, and coating main part 1 is equipped with antibiotic layer 2 including antibiotic layer 2, anti-scaling anti-corrosion layer 3, waterproof layer 4 and back up coat 5, the bottom of anti-scaling anti-corrosion layer 3, and the bottom of antibiotic layer 2 is equipped with waterproof layer 4, and the bottom of waterproof layer 4 is equipped with back up coat 5.
The antibacterial layer 2 is made of a silver-loaded titanium dioxide antibacterial coating material, and the antibacterial performance of the coating can be improved by arranging the antibacterial layer 2 as the silver-loaded titanium dioxide antibacterial coating material.
The anti-scaling and anti-corrosion layer 3 is made of a nano silicon dioxide coating material, and the anti-scaling and anti-corrosion performance of the coating can be improved by arranging the anti-scaling and anti-corrosion layer 3 made of the nano silicon dioxide coating material.
The synthesis of the silver-loaded titanium dioxide antibacterial coating in the antibacterial layer 2 takes titanium sulfate as a titanium source, silver nitrate as a silver source, urea as a precipitator and ethylene glycol as a dispersing agent, and takes polyvinylpyrrolidone and sodium dodecyl sulfate as stabilizing agents respectively, and the silver-loaded titanium dioxide antibacterial coating is prepared by adopting a homogeneous precipitation method under the condition of a shaking water bath heating condition at 90 ℃.
The preparation of the nano silicon dioxide coating in the anti-scaling and anti-corrosion layer 3 comprises the following steps:
s1, firstly, using absolute ethyl alcohol as a dispersing agent and ammonia water solution as a catalyst, preparing nano silicon dioxide particles by hydrolyzing tetraethoxysilane, stirring the mixture for 24 hours at the room temperature of 15-25 ℃, separating the nano silicon dioxide particles from the solution by centrifugal separation, washing 3 times with absolute ethyl alcohol, and then drying in vacuum for 12 hours:
s2, placing 3g of nano silica particles into 25mL of hexanol by using an experimental ultrasonic disperser, ultrasonically dispersing for 20 minutes, mixing and stirring the mixture and 1g of HTPS for 24 hours at room temperature, then mixing and stirring with 0.08g of DBTD and 10mL of hexanol for 30 minutes, grafting the HTPS to the surfaces of the nano silica particles, placing the HTPS modified nano silica particles into a precise oven, and drying for 2 hours at the temperature of 60 ℃:
s3, further modifying the HTPS modified silica particles by APTES, sequentially dispersing 3g of the HTPS modified nano silica particles and 1mL of APTES in 30mL of ethanol through ultrasonic treatment, then mixing and ultrasonically dispersing for 30 minutes, finally dropwise adding 1mL of deionized water into the mixture at the speed of 0.2mL/min, and ultrasonically dispersing for 3 hours to obtain the HTPS and APTES modified nano silica particles:
and S4, finally, mixing the modified nano silicon dioxide particles with ethyl acetate, magnetically stirring and ultrasonically oscillating, then adding a fluorosilicone resin-epoxy resin compound according to a certain proportion, and uniformly stirring to obtain the coating liquid.
Wherein, waterproof layer 4 is made for polyurethane waterproof coating, makes for polyurethane waterproof coating through setting up waterproof layer 4 and is favorable to improving the waterproof performance of coating.
The reinforcing layer 5 is made of glass fiber cloth, and the strength of the coating is improved by arranging the reinforcing layer 5 made of glass fiber cloth.
The glass fiber cloth is formed by overlapping at least two layers of glass fiber sheets, and the adjacent glass fiber sheets are arranged in a staggered mode.
Specifically, the invention utilizes PVP or SDS as a stabilizer, prepares the nano-silica coating by a uniform precipitation method, has simple and convenient method and low raw material cost, the coating not only has the advantages of the nano-material, but also overcomes the biosafety problem possibly brought by the nano-size effect to a certain extent, wherein, the microsphere antibacterial particles have higher specific surface area, the contact chance of bacteria and the antibacterial microsphere particles is increased, the antibacterial performance of the microsphere particles is favorably exerted, the antibacterial performance of the coating is favorably improved by arranging the antibacterial layer 2 as the silver-loaded titanium dioxide antibacterial coating material, the anti-scaling and anti-corrosion layer 3 as the nano-silica coating material is favorably improved, the waterproof performance of the coating is favorably improved by arranging the waterproof layer 4 as the polyurethane waterproof coating material, and the reinforcing layer 5 as the glass fiber cloth, the strength of the coating is improved, and the operation quality is greatly improved compared with the traditional composite coating.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides an antibiotic corrosion-resistant anti-scaling food-grade nano composite coating, includes coating main part (1), its characterized in that, coating main part (1) is equipped with antibiotic layer (2) including antibiotic layer (2), anti-scaling anti-corrosion layer (3), waterproof layer (4) and back up coat (5), the bottom of anti-scaling anti-corrosion layer (3) is equipped with antibiotic layer (2), the bottom of antibiotic layer (2) is equipped with waterproof layer (4), the bottom of waterproof layer (4) is equipped with back up coat (5).
2. The antibacterial corrosion-resistant anti-scaling food-grade nanocomposite coating according to claim 1, wherein the antibacterial layer (2) is made of a silver-loaded titanium dioxide antibacterial coating material.
3. The antibacterial, corrosion-resistant and anti-scaling food-grade nanocomposite coating according to claim 1, wherein the anti-scaling and anti-corrosion layer (3) is made of a nano-silica coating material.
4. The antibacterial corrosion-resistant anti-scaling food-grade nano-composite coating according to claim 1, wherein the antibacterial silver-loaded titanium dioxide coating in the antibacterial layer (2) is synthesized by taking titanium sulfate as a titanium source, silver nitrate as a silver source, urea as a precipitator, ethylene glycol as a dispersing agent, polyvinylpyrrolidone and sodium dodecyl sulfate as stabilizers, respectively, and adopting a homogeneous precipitation method to prepare the antibacterial silver-loaded titanium dioxide coating under a shaking water bath heating condition of 90 ℃.
5. The antibacterial, corrosion-resistant and anti-scaling food-grade nanocomposite coating according to claim 1, wherein the preparation of the nano-silica coating in the anti-scaling and anti-corrosion layer (3) comprises the following steps:
s1, firstly, using absolute ethyl alcohol as a dispersing agent and ammonia water solution as a catalyst, preparing nano silicon dioxide particles by hydrolyzing tetraethoxysilane, stirring the mixture for 24 hours at the room temperature of 15-25 ℃, separating the nano silicon dioxide particles from the solution by centrifugal separation, washing 3 times with absolute ethyl alcohol, and then drying in vacuum for 12 hours:
s2, placing 3g of nano silica particles into 25mL of hexanol by using an experimental ultrasonic disperser, ultrasonically dispersing for 20 minutes, mixing and stirring the mixture and 1g of HTPS for 24 hours at room temperature, then mixing and stirring with 0.08g of DBTD and 10mL of hexanol for 30 minutes, grafting the HTPS to the surfaces of the nano silica particles, placing the HTPS modified nano silica particles into a precise oven, and drying for 2 hours at the temperature of 60 ℃:
s3, further modifying the HTPS modified silica particles by APTES, sequentially dispersing 3g of the HTPS modified nano silica particles and 1mL of APTES in 30mL of ethanol through ultrasonic treatment, then mixing and ultrasonically dispersing for 30 minutes, finally dropwise adding 1mL of deionized water into the mixture at the speed of 0.2mL/min, and ultrasonically dispersing for 3 hours to obtain the HTPS and APTES modified nano silica particles:
and S4, finally, mixing the modified nano silicon dioxide particles with ethyl acetate, magnetically stirring and ultrasonically oscillating, then adding a fluorosilicone resin-epoxy resin compound according to a certain proportion, and uniformly stirring to obtain the coating liquid.
6. The antibacterial corrosion-resistant anti-scaling food-grade nanocomposite coating according to claim 1, wherein the waterproof layer (4) is made of polyurethane waterproof paint.
7. The antibacterial, corrosion-resistant and anti-scaling food-grade nanocomposite coating according to claim 1, wherein the reinforcing layer (5) is made of glass fiber cloth.
8. The antibacterial, corrosion-resistant and anti-scaling food-grade nanocomposite coating according to claim 7, wherein the glass fiber cloth is formed by stacking at least two layers of glass fiber sheets, and the adjacent glass fiber sheets are arranged in a staggered manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110068164.8A CN112878066A (en) | 2021-01-19 | 2021-01-19 | Antibacterial corrosion-resistant anti-scaling food-grade nano composite coating and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110068164.8A CN112878066A (en) | 2021-01-19 | 2021-01-19 | Antibacterial corrosion-resistant anti-scaling food-grade nano composite coating and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112878066A true CN112878066A (en) | 2021-06-01 |
Family
ID=76049625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110068164.8A Pending CN112878066A (en) | 2021-01-19 | 2021-01-19 | Antibacterial corrosion-resistant anti-scaling food-grade nano composite coating and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112878066A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104841015A (en) * | 2015-05-21 | 2015-08-19 | 吉林大学 | High-specific-surface-area silver-loaded titanium dioxide composite antibacterial material and preparation method thereof |
CN107938326A (en) * | 2017-11-29 | 2018-04-20 | 陕西高华知本化工科技有限公司 | The preparation method of binary compound coated fabric |
CN108501563A (en) * | 2018-04-14 | 2018-09-07 | 赵晓晨 | A kind of wear-resistant type cover of anion |
CN109094133A (en) * | 2018-08-17 | 2018-12-28 | 新沂市棋盘工业集中区建设发展有限公司 | sofa fabric |
-
2021
- 2021-01-19 CN CN202110068164.8A patent/CN112878066A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104841015A (en) * | 2015-05-21 | 2015-08-19 | 吉林大学 | High-specific-surface-area silver-loaded titanium dioxide composite antibacterial material and preparation method thereof |
CN107938326A (en) * | 2017-11-29 | 2018-04-20 | 陕西高华知本化工科技有限公司 | The preparation method of binary compound coated fabric |
CN108501563A (en) * | 2018-04-14 | 2018-09-07 | 赵晓晨 | A kind of wear-resistant type cover of anion |
CN109094133A (en) * | 2018-08-17 | 2018-12-28 | 新沂市棋盘工业集中区建设发展有限公司 | sofa fabric |
Non-Patent Citations (1)
Title |
---|
李战胜: "基于纳米二氧化硅的防冰疏水涂层的制备及性能研究", 《电镀与涂饰》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101205420B (en) | Magnetic inorganic nano-particle/ordered meso-porous silica core-shell microspheres and preparation thereof | |
CN103223322B (en) | Preparation method of nanosilver and sulfydryl jointly modified magnetic microspheres | |
WO2003097529A1 (en) | CaCO3/Si2O • nH2O NANOCOMPOSITE PARTICLES, Si2O • nH2O NANOMATERIAL AND METHOD OF PRODUCING THE SAME | |
CN102924980B (en) | Surface modified titanium dioxide particles and preparation method thereof | |
CN110665371B (en) | Preparation method of adsorption photocatalytic separation multifunctional membrane based on polydopamine biomimetic coating | |
CN106957510B (en) | A kind of preparation method of the modified carbon cloth reinforced resin based composites of titanium dioxide nano-rod | |
CN112175520A (en) | Preparation method and application of super-hydrophobic, transparent and durable coating | |
CN102600792B (en) | A kind of preparation method of the titanium dioxide particle adsorbent for drink water purifying | |
CN109046275A (en) | It is a kind of for removing the preparation method of the magnetic nano-particle of heavy metal lead | |
CN106245423A (en) | A kind of antibacterial glass fibre air filter paper and preparation method thereof | |
CN110408238A (en) | A kind of method of modifying for the hollow glass micropearl being used to prepare lightweight epoxy resin-polyurethane composite material | |
CN103498331A (en) | Nano TiO2/ZnO-doped composite hydrosol, and preparation method thereof and finishing method of textile | |
CN105908374A (en) | Preparation method of porous nano fiber membrane | |
CN103170641B (en) | Method of preparing platinum nano particles by using cotton bollworm karyotype polyhedrin | |
CN108840342A (en) | A kind of Silica Using for Toothpaste and preparation method thereof having anti-microbial property | |
CN103600089B (en) | Method for synthesizing one-dimensional silver nanometer structure materials in different appearances | |
CN112878066A (en) | Antibacterial corrosion-resistant anti-scaling food-grade nano composite coating and preparation method thereof | |
CN106243658A (en) | A kind of high-performance polyester glass-reinforced plastic material of durable antibiotic and preparation method thereof | |
CN106189151A (en) | A kind of composite glass fiber reinforced polyester glass-reinforced plastic material and preparation method thereof | |
CN106223121A (en) | A kind of durable antibiotic glass fibre air filter paper and preparation method thereof | |
CN111362293B (en) | Preparation method of spindle-shaped barium sulfate and spindle-shaped barium sulfate | |
CN109694128B (en) | Method for treating high-concentration p-nitrophenol | |
CN112980015B (en) | Preparation method of antibacterial fluorine-containing film | |
CN105032352B (en) | A kind of method of one pot process magnetic 3D graphene composite adsorbing materials | |
CN106947126A (en) | A kind of high intensity bio-compatible chitin nano fiber/Heveatex composite membrane |
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: 20210601 |