CN117645825A - Water-based medical waste pipe inner wall paint and preparation method and application thereof - Google Patents
Water-based medical waste pipe inner wall paint and preparation method and application thereof Download PDFInfo
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- CN117645825A CN117645825A CN202311814957.5A CN202311814957A CN117645825A CN 117645825 A CN117645825 A CN 117645825A CN 202311814957 A CN202311814957 A CN 202311814957A CN 117645825 A CN117645825 A CN 117645825A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 239000002906 medical waste Substances 0.000 title claims abstract description 24
- 239000003973 paint Substances 0.000 title claims description 29
- 238000002360 preparation method Methods 0.000 title claims description 21
- 238000000576 coating method Methods 0.000 claims abstract description 46
- 239000004593 Epoxy Substances 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 41
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002562 thickening agent Substances 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- -1 polydimethylsiloxane Polymers 0.000 claims abstract description 31
- 150000001412 amines Chemical class 0.000 claims abstract description 29
- 238000005260 corrosion Methods 0.000 claims abstract description 29
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 28
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 28
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 239000002270 dispersing agent Substances 0.000 claims abstract description 26
- 229920000570 polyether Polymers 0.000 claims abstract description 26
- 239000006185 dispersion Substances 0.000 claims abstract description 23
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000080 wetting agent Substances 0.000 claims abstract description 20
- 239000000839 emulsion Substances 0.000 claims abstract description 19
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 18
- 239000002109 single walled nanotube Substances 0.000 claims abstract description 17
- 239000002519 antifouling agent Substances 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- 235000019832 sodium triphosphate Nutrition 0.000 claims abstract description 14
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 239000002351 wastewater Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 89
- 239000002994 raw material Substances 0.000 claims description 64
- 238000010790 dilution Methods 0.000 claims description 33
- 239000012895 dilution Substances 0.000 claims description 33
- 238000009736 wetting Methods 0.000 claims description 31
- 239000002002 slurry Substances 0.000 claims description 29
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 28
- 239000002518 antifoaming agent Substances 0.000 claims description 28
- 239000013530 defoamer Substances 0.000 claims description 28
- 229910001220 stainless steel Inorganic materials 0.000 claims description 28
- 239000010935 stainless steel Substances 0.000 claims description 28
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 238000000227 grinding Methods 0.000 claims description 18
- 229910021485 fumed silica Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000007865 diluting Methods 0.000 claims description 9
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 8
- 229960002887 deanol Drugs 0.000 claims description 8
- 239000012972 dimethylethanolamine Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 239000003755 preservative agent Substances 0.000 claims description 4
- 230000002335 preservative effect Effects 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000001580 bacterial effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 23
- 241000894006 Bacteria Species 0.000 abstract description 10
- 244000052769 pathogen Species 0.000 abstract description 10
- 239000000853 adhesive Substances 0.000 abstract description 9
- 230000001070 adhesive effect Effects 0.000 abstract description 9
- 239000002041 carbon nanotube Substances 0.000 abstract description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 230000002285 radioactive effect Effects 0.000 abstract description 5
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 239000000049 pigment Substances 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 abstract 1
- 238000003904 radioactive pollution Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000004020 conductor Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000000941 radioactive substance Substances 0.000 description 4
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical group COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- JYMITAMFTJDTAE-UHFFFAOYSA-N aluminum zinc oxygen(2-) Chemical compound [O-2].[Al+3].[Zn+2] JYMITAMFTJDTAE-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- PDMMFKSKQVNJMI-BLQWBTBKSA-N Testosterone propionate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](OC(=O)CC)[C@@]1(C)CC2 PDMMFKSKQVNJMI-BLQWBTBKSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/04—Epoxynovolacs
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a protective paint for the inner wall of a water-based medical waste water pipeline. The epoxy resin composition consists of bisphenol A type phenolic epoxy aqueous dispersion, aqueous epoxy modified acrylic emulsion, polyether modified polydimethylsiloxane, a dispersing agent, a wetting agent, a leveling agent, an amine neutralizer, a thickening agent, pigment, aqueous aluminum tripolyphosphate, single-arm carbon nanotubes and nanoscale graphene. The phenolic epoxy aqueous dispersion is used as a main resin, so that the phenolic epoxy aqueous dispersion has good adhesive force and chemical resistance; the polyether modified polydimethylsiloxane is added to greatly reduce the surface tension of the coating film, so that impurities such as bacteria are not easy to adhere to the surface of the coating film; adding single-wall carbon nano-tubes to form a conductive film on the surface of the coating film to further reduce the adhesion of pathogens and radioactive pollutants on the surface of the coating film; the anti-corrosion performance of the surface of the coating film can be greatly improved by adding the graphene. The invention solves the problem that the medical waste water pipeline is easy to be corroded and accelerated by bacteria, pathogens and radioactive pollution residues in the waste water.
Description
Technical Field
The invention belongs to the technical field of water-based pipeline inner wall anti-corrosion paint and production process, and relates to a pipeline inner wall anti-corrosion paint composed of bisphenol A type phenolic epoxy water dispersion, water-based epoxy modified acrylic emulsion, single-arm carbon nano tubes, nanoscale graphene, polyether modified polydimethylsiloxane, and other anti-corrosion materials and a preparation method thereof.
Background
At present, most of pipeline inner wall coatings in China are solvent type coatings, the environment-friendly and gradually strict control is carried out along with China, the water-based construction process requirements of the pipeline coatings and the harshness of the pipeline coatings are met, and the preheating before pipe fitting spraying, the flash drying after spraying and the baking temperature all have good coating process conditions. The invention relates to a protective paint for the inner wall of a medical waste water pipeline, which is an invention which can meet the strict and harsh performance indexes of the medical waste water pipeline and meet the requirements of environmental protection regulations.
The bisphenol A type phenolic epoxy aqueous dispersion is selected, so that the coating has better adhesive force and chemical resistance. The aqueous epoxy modified acrylic emulsion is selected, so that the corrosion resistance of the coating is improved to a greater extent. The addition of the single-arm carbon nanotube conductive material can form a layer of conductive film on the surface of the coating film, so that the adhesion of pathogens and radioactive pollutants on the surface of the coating film is further reduced. The anticorrosion performance of the surface of the coating film can be further improved by adding a small amount of nano-scale graphene. By adding polyether modified polydimethylsiloxane, the tension of the surface of the coating film can be greatly reduced, and impurities such as bacteria in medical wastewater are not easy to adhere to the surface of the coating film.
Disclosure of Invention
The invention aims to solve the problems of easy corrosion and water-based property of a medical waste water pipeline, ensure good adhesive force and chemical resistance with the inner wall of the pipeline, ensure that bacteria and impurities are not easy to adhere due to the change of the surface tension of a coating film by adding polyether modified polydimethylsiloxane, and ensure that a thin conductive film is formed on the surface of the coating film by adding a single-arm carbon nano tube so as to ensure that pathogens and radioactive pollutants cannot adhere. The invention is composed of bisphenol A type phenolic epoxy aqueous dispersion, aqueous epoxy modified acrylic emulsion, polyether modified polydimethylsiloxane, dispersing agent, wetting agent, leveling agent, amine neutralizer, thickener, pigment, aqueous aluminum tripolyphosphate, single-arm carbon nano tube and nano-scale graphene.
In order to achieve the above object, the present invention discloses the following technical contents:
the preparation of the water-based medical waste water pipeline inner wall protective paint comprises the following raw materials in parts by weight:
main raw material proportion
(1) Preparation of anti-corrosion water slurry
Pure water 49
Wetting defoamer 104E 1.0
Dispersant TEGO757W 5
Water-based aluminum tripolyphosphate (Shijiazhengxin Cheng Huagong) 40
Nanoscale graphene (Shandong money new material) 5
(2) Preparation of conductive paste
Pure water 16.25
Wetting defoamer 104E 0.5
Dispersant BYK-190.5
Single-walled carbon nanotubes 301 10
Iron oxide Red 3# 15
Fumed silica R972.75
(3) Diluting treatment of flatting agent
BTK-381 50
PM 50
(4) Defoaming agent dilution treatment
Tego 830 30
Pure water 70
(5) Dilution treatment of thickener
Thickener BASF1130 50
Pure water 50
(6) Dilution treatment of amine neutralizers
Dimethylethanolamine 10
Pure water 90
(7) Polyether modified polydimethylsiloxane dilution treatment
BYK333 50
Pure water 50
(8) Reconciliation method
Bisphenol A type phenolic epoxy aqueous dispersion WB4001 40-50
Pure water 10-15
The main raw material proportion (4) is diluted and the defoaming agent Tego 830 is 1.0-1.5
Waterborne epoxy modified acrylic emulsion DC-106 4-7
Propylene glycol methyl ether 3-4
Wetting agent Tego 4100.3-0.5
Wetting defoamer 104E 0.1-0.2
The main raw material proportion (3) is diluted flatting agent BYK381 0.4-0.6
The main raw material proportion (2) is dispersed conductive water slurry 16-20
The main raw material proportion (1) is dispersed with 4-7 of anti-corrosion water slurry
The main raw material proportion (7) is diluted to 0.5-1 of polyether modified polydimethylsiloxane
Pure water 6-10
The main raw material proportion (6) of the diluted amine neutralizer is 0.3 to 1.5
The main raw material proportion (5) is diluted thickener BASF1130 0.2-0.5
The raw materials are as follows:
the bisphenol A type phenolic epoxy aqueous dispersion is WB4001 of American Dow chemical, the aqueous epoxy modified acrylic emulsion is DC-106 of Jining Biyi chemical, the single-wall carbon nanotube conductive material is TUBALL301 of Orchiol, the aqueous aluminum tripolyphosphate is TUBALL301 of Shijia Xinsheng chemical, the nano-scale graphene is produced by Shandong Jiedu new material, the polyether modified polydimethylsiloxane BYK333 is produced by Pick chemical, the dispersing agent is Tego757W of Digao, the wetting defoamer is 104E of air chemical, iron red 3# is produced by Jie mineral of Lingjie county, the dispersing agent BYK-190 is produced by Pick chemical, the fumed silica R972 is produced by Desoxhei, the defoamer K-381 of Sangin chemical, the thickener is Tego 830 of Pichoff chemical, the thickener is BASF1130 of Pichoja chemical, the wetting defoamer is dimethyl ether of BYP 0, and the wetting agent is methyl ether of Megao.
The invention further discloses a preparation method of the water-based medical waste water pipeline inner wall protective paint, which is characterized by comprising the following steps of:
(1) Preparation of anti-corrosion water slurry
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 r/min, adding a wetting defoamer 104E, adding a dispersing agent with a height of 757W, stirring for 10 min, adding water-based aluminum tripolyphosphate, stirring for 10 min at a high speed of 1200-1500 r/min, adding nano-scale graphene, stirring for 30 min at a high speed of 1200-1500 r/min, grinding and dispersing by using a horizontal sand mill until the fineness of color paste is less than or equal to 15 mu m, grinding twice, and filtering for later use;
(2) Preparation of conductive paste
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500R/min, adding a wetting defoamer 104E, adding a dispersant BYK-190, stirring for 10 min, changing the high speed of 1200-1500R/min, stirring, adding a single-wall carbon nanotube 301, adding fumed silica R972, adding iron oxide red 3# and stirring for 30 min, grinding and dispersing by using a horizontal sand mill until the fineness of color paste is less than or equal to 25 mu m, and filtering out for later use;
(3) Diluting treatment of flatting agent
Adding BYK-381 flatting agent into a stainless steel basin, stirring at a low speed of 300-500 rpm, and then adding propylene glycol methyl ether, stirring for 15 minutes for later use;
(4) Defoaming agent dilution treatment
Adding a defoaming agent Tego 830 into a stainless steel basin, stirring at a low speed of 300-500 rpm, and then adding pure water and stirring for 15 minutes for later use;
(5) Dilution treatment of thickener
Adding a thickening agent BASF1130 into a stainless steel basin, stirring at a low speed of 300-500 r/min, adding pure water, and stirring for 15 min for later use;
(6) Dilution treatment of amine neutralizers
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 rpm, adding an amine neutralizer dimethylethanolamine, and stirring for 5-10 minutes for later use;
(7) Polyether modified polydimethylsiloxane dilution treatment
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 rpm, adding BYK333, and stirring for 5-10 minutes for later use;
(8) Blending: the various raw materials were added in the following order
Sequentially adding bisphenol A type phenolic epoxy aqueous dispersion WB4001 into a paint mixing tank, stirring at a low speed of 300-500 r/min, pure water, a defoaming agent Tego 830 diluted by a main raw material ratio (4), aqueous epoxy modified acrylic emulsion DC-106, propylene glycol methyl ether, a wetting agent Tego4100, a wetting defoaming agent 104E, a leveling agent BYK381 diluted by a main raw material ratio (3), then changing the stirring at a high speed of 1200-1500 r/min, stirring for 30 min, a conductive water slurry dispersed by the main raw material ratio (2), a preservative water slurry dispersed by the main raw material ratio (1), polyether modified polydimethylsiloxane diluted by the main raw material ratio (7), stirring for 20 min, adjusting the PH value by an amine neutralizer diluted by the step (6), adjusting the viscosity by a thickener diluted by the step (5), and packaging after all performances are qualified.
The bisphenol A type phenolic epoxy aqueous dispersion WB4001 is used as a main resin, and has good adhesive force and chemical resistance to the inner wall of a medical waste water pipeline; the corrosion resistance of the coating is further improved by adding the aqueous epoxy modified acrylic emulsion DC-106; forming a conductive film on the surface of the coating film by adding the single-wall carbon nano tube 301 to further reduce the adhesion of pathogens and radioactive pollutants on the surface of the coating film; the anti-corrosion performance of the surface of the coating film can be further improved by adding a small amount of nano-scale graphene; the polyether modified polydimethylsiloxane is added to greatly reduce the tension of the surface of the coating film, so that impurities such as bacteria in medical wastewater are not easy to adhere to the surface of the coating film; the corrosion resistance of the paint film can be improved by adding aluminum tripolyphosphate; the single-walled carbon nanotubes 301 are dispersed well by the dispersant of preferably high 757W, and have good storage stability and water resistance; the anti-corrosion water slurry is well dispersed by adding BYK-190 dispersing agent; the conductive paste has a certain anti-sinking effect by adding the fumed silica R972; the wetting agent digao 4100 and the wetting defoamer 104E are added by compounding, so that the coating improves the wettability of the substrate and has better defoaming effect; good defoaming effect can be achieved by adding the defoaming agent digao 830; the paint film has good leveling property by adding the acrylic leveling agent BYK-381; the PH value of the paint can be effectively controlled by adding the amine neutralizer, and the storage stability is improved; the addition of the alkali-swellable thickener BASF1130 is effective to control the viscosity of the coating with a small addition.
The medical waste water pipeline inner wall protective paint prepared by the raw materials is an aqueous product, and meets the requirements of environmental protection regulations; the adhesive force with the inner wall of the pipeline is good; has excellent resistance to various liquid media; and has the ability to make it difficult for bacteria, pathogens, radioactive substances and other impurities to adhere.
The invention also discloses application of the water-based medical waste pipeline inner wall protective paint in the aspect of coating the medical waste pipeline inner wall. The application refers to that the protective paint reduces bacterial impurities in medical wastewater from adhering to the surface of a coating film, and experimental results show that the product of the invention has good coating film performance and a smooth coating film. Meanwhile, the surface tension of the coating film can be changed, and impurities such as bacteria, pathogens and radioactive substances are difficult to adhere to the surface of the coating film, so that the corrosion resistance is better improved.
The invention is described in more detail below:
the invention relates to a preparation method of an inner wall protective paint for an aqueous medical waste water pipeline, which comprises the following steps:
(1) Preparing anti-corrosion water slurry:
adding pure water into a stainless steel basin, stirring at a low speed (300-500 rpm), then adding a wetting defoamer 104E, then changing to high-speed stirring (1200-1500 rpm) (more foaming generated in the grinding process can be effectively avoided by adding the wetting defoamer 104E), adding a dispersing agent with a viscosity of 757W, stirring for 10 minutes (the dispersing agent with a viscosity of 757W is excellent in reducing the system viscosity and water resistance through experiment comparison), adding water-based aluminum tripolyphosphate, stirring for 10 minutes at a high speed (1200-1500 rpm), adding nanoscale graphene, stirring for 30 minutes at a high speed (the grinding efficiency can be improved by fully stirring the batching slurry before grinding), grinding and dispersing by using a horizontal sand mill until the fineness of the color paste is less than or equal to 15 mu m, grinding for two times, and filtering out for standby (2-3 times are needed to be ground);
(2) Preparing conductive paste;
adding pure water into a stainless steel basin, stirring at a low speed (300-500 rpm), then adding a wetting defoamer 104E, adding a dispersing agent BYK-190, and stirring for 10 minutes, wherein the step is to uniformly disperse the wetting agent and the dispersing agent into water; after the high-speed stirring (1200-1500 rpm) is carried out, single-walled carbon nanotubes 301 are added, fumed silica R972 is added, stirring is carried out for 30 minutes after iron oxide red 3# is added (the grinding efficiency can be improved by fully stirring the proportioning slurry before grinding), grinding and dispersing are carried out by using a horizontal sand mill until the fineness of color paste is less than or equal to 25 mu m, the color paste is filtered out for later use (the original particle size of the single-walled carbon nanotubes is very small but difficult to disperse uniformly and generally needs to be ground for 3-4 times), and grinding and dispersing are carried out for 2 times after the fineness reaches 25 mu m, so that the thorough and uniform dispersion of the conductive slurry is ensured, and the storage stability of the conductive slurry can be improved;
(3) Diluting treatment of flatting agent
Adding BYK-381 flatting agent into a stainless steel basin, stirring at a low speed (300-500 rpm), then adding propylene glycol methyl ether, and stirring for 15 minutes for later use (the purpose of the step is to add the flatting agent into the system to be more easily and uniformly stirred, so that paint diseases such as shrinkage cavity and the like are avoided).
(4) Defoaming agent dilution treatment
The defoaming agent Tego 830 is added into a stainless steel basin, low-speed stirring (300-500 rpm) is started, then pure water is added and stirring is carried out for 15 minutes for standby (the purpose of the step is to ensure that the defoaming agent is added into the system to be more easily and uniformly stirred, and paint diseases such as shrinkage cavity and the like are avoided).
(5) Dilution treatment of thickener
Adding a thickening agent BASF1130 into a stainless steel basin, stirring at a low speed (300-500 rpm), adding pure water, and stirring for 15 minutes for later use (the purpose of the step is to ensure that the thickening agent is added into the system to be more easily and uniformly stirred, so as to avoid generating particle impurities);
(6) Dilution treatment of amine neutralizers
Adding pure water into a stainless steel basin, stirring at a low speed (300-500 rpm), adding an amine neutralizer dimethylethanolamine, and stirring for 5-10 minutes (the aim of the step is to add the amine neutralizer into the system to be more easily and uniformly stirred, and the direct addition of the amine neutralizer into the system is easy to produce gelled particles);
(7) Polyether modified polydimethylsiloxane dilution treatment
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 r/min, adding BYK333, and stirring for 5-10 min (the purpose of the step is to ensure that the defoamer is added into the system to be more easily and uniformly stirred, so as to avoid paint diseases such as shrinkage cavity, etc.);
(8) Blending: the various raw materials were added in the following order
Sequentially adding bisphenol A type phenolic epoxy aqueous dispersion WB4001 into a paint mixing tank, stirring at a low speed of 300-500 r/min, taking pure water as a main solvent of the bisphenol A type phenolic epoxy aqueous dispersion, adding a part of alcohol in advance to avoid poor miscibility caused by adding other raw materials, diluting a defoaming agent Tego 830, an aqueous epoxy modified acrylic emulsion DC-106, propylene glycol methyl ether, a wetting agent Tego4100, a wetting defoaming agent 104E, a leveling agent BYK381 diluted by the main raw material ratio (3), changing the stirring at a high speed of 1200-1500 r/min, stirring for 30 min (various raw materials added above can not cause thixotropic thickening of a system, at this time, dispersing the defoaming agent, the wetting agent at a high speed can obtain the best effect), taking conductive water slurry dispersed by the main raw material ratio (2), a preservative water slurry dispersed by the main raw material ratio (1), a modified polydimethylsiloxane diluted by the main raw material ratio (7), stirring for 20 min, adjusting the pH value of an amine after the dilution by the step (6) to be 8.5, and slowly adjusting the viscosity of the pH value after the amine after the step (6) to be 8.5), and adjusting the viscosity of the pH value after the leveling agent is diluted by the main raw material ratio (7), and slowly adjusting the viscosity to be a certain viscosity after the pH value to be adjusted to be 8, and the viscosity is adjusted to be a certain, and the viscosity is required to be a certain, and the viscosity is adjusted to be a certain, and can be packaged.
Main raw material proportion
(1) Preparation of anti-corrosion water slurry
Pure water 49
Wetting defoamer 104E 1.0
Dispersant TEGO757W 5
Water-based aluminum tripolyphosphate (Shijiazhengxin Cheng Huagong) 40
Nanoscale graphene (Shandong money new material) 5
(2) Preparation of conductive paste
Pure water 16.25
Wetting defoamer 104E 0.5
Dispersant BYK-190.5
Single-walled carbon nanotubes 301 10
Iron oxide Red 3# 15
Fumed silica R972.75
(3) Diluting treatment of flatting agent
BTK-381 50
PM 50
(4) Defoaming agent dilution treatment
Tego 830 30
Pure water 70
(5) Dilution treatment of thickener
Thickener BASF1130 50
Pure water 50
(6) Dilution treatment of amine neutralizers
Dimethylethanolamine 10
Pure water 90
(7) Polyether modified polydimethylsiloxane dilution treatment
BYK333 50
Pure water 50
(8) Reconciliation method
Bisphenol A type phenolic epoxy aqueous dispersion WB4001 40-50
Pure water 10-15
The main raw material proportion (4) is diluted and the defoaming agent Tego 830 is 1.0-1.5
Waterborne epoxy modified acrylic emulsion DC-106 4-7
Propylene glycol methyl ether 3-4
Wetting agent Tego 4100.3-0.5
Wetting defoamer 104E 0.1-0.2
The main raw material proportion (3) is diluted flatting agent BYK381 0.4-0.6
The main raw material proportion (2) is dispersed conductive water slurry 16-20
The main raw material proportion (1) is dispersed with 4-7 of anti-corrosion water slurry
The main raw material proportion (7) is diluted to 0.5-1 of polyether modified polydimethylsiloxane
Pure water 6-10
The main raw material proportion (6) of the diluted amine neutralizer is 0.3 to 1.5
The main raw material proportion (5) is diluted thickener BASF1130 0.2-0.5
The invention effectively solves the problems of corrosion resistance and poor chemical resistance of the existing medical waste water pipeline inner wall paint. The spraying process of the inner wall of the pipeline is realized by water, so that the environmental protection problem is solved; the solid content of the bisphenol A type phenolic epoxy water-based dispersion WB4001 is 75%, the epoxy group content is high, and the crosslinking density after fixed-line treatment is high, so that the bisphenol A type phenolic epoxy water-based dispersion WB4001 has good adhesive force and chemical resistance with the inner wall of a pipeline; the selected water-based epoxy modified acrylic emulsion DC-106 has 50% of solid, and the cured water-based epoxy modified acrylic emulsion has high hardness and high gloss, so that the coating has better corrosion resistance; by adding BYK333 polyether modified polydimethylsiloxane, the tension of the surface of a coating film can be greatly reduced, so that impurities such as bacteria in medical wastewater are not easy to adhere to the surface of the coating film; a small amount of single-wall carbon nanotubes are added to form a layer of conductive film on the surface of the coating film, so that the adhesion of pathogens and radioactive pollutants on the surface of the coating film is further reduced; the addition of a small amount of nano-scale graphene can greatly improve the corrosion resistance of the surface of the coating film; the non-silicon wetting agent diGao 4100 and the alkyne diol wetting agent 104E are added into the system, so that the wetting property of a base material can be obviously improved as the common wetting agent diGao 4100 of the water-based paint, the non-silicon structure of the water-based paint is suitable for being used in a primer, the interlayer adhesive force with the top paint is not affected, and meanwhile, the alkyne diol wetting agent 104E and the alkyne diol wetting agent 104E are matched and used, so that the water-based paint has a better defoaming function on the premise of improving the wetting property of the base material, and the problem that the added organosilicon defoaming agent is difficult to disperse is avoided; the foam killer digao 830 is a foam killer concentrated solution which does not contain organic silicon, can effectively control the generation of air bubbles in a system when being added in a small amount, and does not cause defects on the surface of a paint film and influence the matched construction performance of the finish paint; the organic solvent uses propylene glycol methyl ether, can be mutually dissolved with water in a system to improve the dissolving force, and can be quickly azeotroped with water when being dried at low temperature to quickly dry a paint film; the purpose of adding the amine neutralizer is to firstly adjust the pH value of the system, and secondly have a certain thickening effect on the system, so that the amine neutralizer is diluted with pure water in advance, colloidal particles caused by sudden increase of viscosity in local addition are avoided, and the pH value is controlled to be 8.0-8.5; the thickener BASF1130 is alkali swelling, and the viscosity of the system can be adjusted to be qualified under the condition of small addition amount, and the thickener BASF1130 needs to be diluted by pure water before use.
Compared with the prior art, the protective paint for the inner wall of the water-based medical waste water pipeline has the following positive effects:
(1) The bisphenol A type phenolic epoxy aqueous dispersion and the aqueous epoxy modified acrylic emulsion are matched for use, so that the adhesive force between a coating film and a substrate is stronger, and the resistance to various liquid media and corrosion is improved.
(2) The single-wall carbon nanotube material is used as a coating conductive material for the first time, the coating conductive material can be realized by the special structure and the lower addition amount, the surface tension of the coating can be changed by matching with polyether modified polydimethylsiloxane, and impurities such as bacteria, pathogens, radioactive substances and the like are difficult to adhere to the surface of the coating, so that the corrosion resistance is better improved. Compared with the product cost of conductive titanium dioxide, nano zinc oxide aluminum composite material and the like, the method has obvious advantages; and because the addition amount is small, the selectivity of other materials can be increased in the formula, and the scheme of the nano titanium dioxide and nano zinc oxide aluminum composite material is mainly based on conductive materials, and the resistance value of a paint film can be obviously influenced by adding other raw materials.
Detailed Description
The invention is described below by means of specific embodiments. The technical means used in the present invention are methods well known to those skilled in the art unless specifically stated. Further, the embodiments should be construed as illustrative, and not limiting the scope of the invention, which is defined solely by the claims. Various changes or modifications to the materials ingredients and amounts used in these embodiments will be apparent to those skilled in the art without departing from the spirit and scope of the invention.
The raw materials and reagents used in the invention are all commercially available, wherein bisphenol A type phenolic epoxy aqueous dispersion WB4001 is purchased from the American Dow chemical industry, aqueous epoxy modified acrylic emulsion DC-106 is purchased from the Jining Bigonia chemical industry, single-wall carbon nanotube TUBALL301 is purchased from the Orchiwall chemical company, aqueous aluminum tripolyphosphate is purchased from the Shijia Xin Cheng Huagong, nano-sized graphene is purchased from the Shandong Jinew material, dispersant TEGO757W is purchased from the Di high company, dispersant BYK-190 is purchased from the Pick chemical company, ether modified polydimethylsiloxane BYK333 is purchased from the Pick chemical industry, wetting defoamer 104E is purchased from the air chemical company, fumed silica R972 is purchased from the De solid Sier company, wetting agent 4100 is purchased from the Di high company, defoamer 830 is purchased from the high company 381, leveling agent is purchased from the Pick chemical company, thickening agent 1130 is purchased from the Baff company, amine neutralizer is purchased from the Yang Zi petrochemical company, and propylene glycol methyl ether is purchased from the Tay chemical company.
Example 1
Iron oxide red medical waste water pipeline inner wall protective paint
The main raw materials are as follows:
(1) Preparation of anti-corrosion water slurry
Pure water 49
Wetting defoamer 104E 1.0
Dispersant TEGO757W 5
Water-based aluminum tripolyphosphate (Shijiazhengxin Cheng Huagong) 40
Nanoscale graphene (Shandong money new material) 5
(2) Preparation of conductive paste
Pure water 16.25
Wetting defoamer 104E 0.5
Dispersant BYK-190.5
Single-walled carbon nanotubes 301 10
Iron oxide Red 3# 15
Fumed silica R972.75
(3) Diluting treatment of flatting agent
BTK-381 50
PM 50
(4) Defoaming agent dilution treatment
Tego 830 30
Pure water 70
(5) Dilution treatment of thickener
Thickener BASF1130 50
Pure water 50
(6) Dilution treatment of amine neutralizers
Dimethylethanolamine 10
Pure water 90
(8) Polyether modified polydimethylsiloxane dilution treatment
BYK333 50
Pure water 50
(8) Reconciliation method
Bisphenol A type phenolic epoxy aqueous dispersion WB4001 40-50
Pure water 10-15
The main raw material proportion (4) is diluted and the defoaming agent Tego 830 is 1.0-1.5
Waterborne epoxy modified acrylic emulsion DC-106 4-7
Propylene glycol methyl ether 3-4
Wetting agent Tego 4100.3-0.5
Wetting defoamer 104E 0.1-0.2
The main raw material proportion (3) is diluted flatting agent BYK381 0.4-0.6
The main raw material proportion (2) is dispersed conductive water slurry 16-20
The main raw material proportion (1) is dispersed with 4-7 of anti-corrosion water slurry
The main raw material proportion (7) is diluted to 0.5-1 of polyether modified polydimethylsiloxane
Pure water 6-10
The main raw material proportion (6) of the diluted amine neutralizer is 0.3 to 1.5
The main raw material proportion (5) is diluted thickener BASF1130 0.2-0.5
Example 2
Preparation method of iron oxide red medical waste water pipeline inner wall protective paint
(1) Preparation of anti-corrosion water slurry
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 r/min, adding a wetting defoamer 104E, adding a dispersing agent with a height of 757W, stirring for 10 min, adding water-based aluminum tripolyphosphate, stirring for 10 min at a high speed of 1200-1500 r/min, adding nano-scale graphene, stirring for 30 min at a high speed of 1200-1500 r/min, grinding and dispersing by using a horizontal sand mill until the fineness of color paste is less than or equal to 15 mu m, grinding twice, and filtering for later use;
(2) Preparation of conductive paste
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500R/min, adding a wetting defoamer 104E, adding a dispersant BYK-190, stirring for 10 min, changing the high speed of 1200-1500R/min, stirring, adding a single-wall carbon nanotube 301, adding fumed silica R972, adding iron oxide red 3# and stirring for 30 min, grinding and dispersing by using a horizontal sand mill until the fineness of color paste is less than or equal to 25 mu m, and filtering out for later use;
(3) Diluting treatment of flatting agent
Adding BYK-381 flatting agent into a stainless steel basin, stirring at a low speed of 300-500 rpm, and then adding propylene glycol methyl ether, stirring for 15 minutes for later use;
(4) Defoaming agent dilution treatment
Adding a defoaming agent Tego 830 into a stainless steel basin, stirring at a low speed of 300-500 rpm, and then adding pure water and stirring for 15 minutes for later use;
(5) Dilution treatment of thickener
Adding a thickening agent BASF1130 into a stainless steel basin, stirring at a low speed of 300-500 r/min, adding pure water, and stirring for 15 min for later use;
(6) Dilution treatment of amine neutralizers
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 rpm, adding an amine neutralizer dimethylethanolamine, and stirring for 5-10 minutes for later use;
(7) Polyether modified polydimethylsiloxane dilution treatment
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 rpm, adding BYK333, and stirring for 5-10 minutes for later use;
(8) Blending: the various raw materials were added in the following order
Sequentially adding bisphenol A type phenolic epoxy aqueous dispersion WB4001 into a paint mixing tank, stirring at a low speed of 300-500 r/min, pure water, a defoaming agent Tego 830 diluted by a main raw material ratio (4), aqueous epoxy modified acrylic emulsion DC-106, propylene glycol methyl ether, a wetting agent Tego4100, a wetting defoaming agent 104E, a leveling agent BYK381 diluted by a main raw material ratio (3), then changing the stirring at a high speed of 1200-1500 r/min, stirring for 30 min, a conductive water slurry dispersed by the main raw material ratio (2), a preservative water slurry dispersed by the main raw material ratio (1), polyether modified polydimethylsiloxane diluted by the main raw material ratio (7), stirring for 20 min, adjusting the PH value by an amine neutralizer diluted by the step (6), adjusting the viscosity by a thickener diluted by the step (5), and packaging after all performances are qualified.
The main technical parameters are as follows:
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example 3
The invention is compared with the performance of the conventional medical waste water pipeline inner wall paint
Conclusion: the invention relates to a protective paint for the inner wall of a water-based medical waste water pipeline. The product has the characteristics of water-based environment protection; the bisphenol A type phenolic epoxy aqueous dispersion resin system is used, and the aqueous epoxy modified acrylic emulsion is additionally added, so that the adhesive force between a paint film and a substrate and the capacities of various liquid medium resistance and corrosion resistance are improved; the salt spray resistance and the acid-base resistance of the paint film can break through 1500 hours by adding aluminum tripolyphosphate and a small amount of nano-scale graphene; by adding the single-wall carbon nano tube for the first time, the paint film can be conductive due to the special structure and lower addition amount, and the surface tension of the paint film can be changed by matching with the polyether modified polydimethylsiloxane, so that impurities such as bacteria, pathogens, radioactive substances and the like are difficult to adhere to the surface of the paint film, and the severe indexes of 1800 times of cold and hot water circulation and 1000 hours of wastewater resistance can also be passed.
Claims (3)
1. Water-based medical waste water pipeline inner wall protective paint comprises the following raw materials in parts by weight:
main raw material proportion
(1) Preparation of anti-corrosion water slurry
Pure water 49
Wetting defoamer 104E 1.0
Dispersant TEGO757W 5
Aqueous aluminum tripolyphosphate 40
Nanoscale graphene 5
(2) Preparation of conductive paste
Pure water 16.25
Wetting defoamer 104E 0.5
Dispersant BYK-190.5
Single-walled carbon nanotubes 301 10
Iron oxide Red 3# 15
Fumed silica R972.75
(3) Diluting treatment of flatting agent
BTK-381 50
PM 50
(4) Defoaming agent dilution treatment
Tego 830 30
Pure water 70
(5) Dilution treatment of thickener
Thickener BASF1130 50
Pure water 50
(6) Dilution treatment of amine neutralizers
Dimethylethanolamine 10
Pure water 90
Polyether modified polydimethylsiloxane dilution treatment
BYK333 50
Pure water 50
(8) Reconciliation method
Bisphenol A type phenolic epoxy aqueous dispersion WB4001 40-50
Pure water 10-15
The main raw material proportion (4) is diluted and the defoaming agent Tego 830 is 1.0-1.5
Waterborne epoxy modified acrylic emulsion DC-106 4-7
Propylene glycol methyl ether 3-4
Wetting agent Tego 4100.3-0.5
Wetting defoamer 104E 0.1-0.2
The main raw material proportion (3) is diluted flatting agent BYK381 0.4-0.6
The main raw material proportion (2) is dispersed conductive water slurry 16-20
The main raw material proportion (1) is dispersed with 4-7 of anti-corrosion water slurry
The main raw material proportion (7) is diluted to 0.5-1 of polyether modified polydimethylsiloxane
Pure water 6-10
The main raw material proportion (6) of the diluted amine neutralizer is 0.3 to 1.5
The main raw material proportion (5) is 0.2-0.5 of the diluted thickener BASF 1130.
2. The method for preparing the water-based medical waste water pipeline inner wall protective paint as claimed in claim 1, which is characterized by comprising the following steps:
(1) Preparation of anti-corrosion water slurry
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 r/min, adding a wetting defoamer 104E, adding a dispersing agent with a height of 757W, stirring for 10 min, adding water-based aluminum tripolyphosphate, stirring for 10 min at a high speed of 1200-1500 r/min, adding nano-scale graphene, stirring for 30 min at a high speed of 1200-1500 r/min, grinding and dispersing by using a horizontal sand mill until the fineness of color paste is less than or equal to 15 mu m, grinding twice, and filtering for later use;
(2) Preparation of conductive paste
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500R/min, adding a wetting defoamer 104E, adding a dispersant BYK-190, stirring for 10 min, changing the high speed of 1200-1500R/min, stirring, adding a single-wall carbon nanotube 301, adding fumed silica R972, adding iron oxide red 3# and stirring for 30 min, grinding and dispersing by using a horizontal sand mill until the fineness of color paste is less than or equal to 25 mu m, and filtering out for later use;
(3) Diluting treatment of flatting agent
Adding BYK-381 flatting agent into a stainless steel basin, stirring at a low speed of 300-500 rpm, and then adding propylene glycol methyl ether, stirring for 15 minutes for later use;
(4) Defoaming agent dilution treatment
Adding a defoaming agent Tego 830 into a stainless steel basin, stirring at a low speed of 300-500 rpm, and then adding pure water and stirring for 15 minutes for later use;
(5) Dilution treatment of thickener
Adding a thickening agent BASF1130 into a stainless steel basin, stirring at a low speed of 300-500 r/min, adding pure water, and stirring for 15 min for later use;
(6) Dilution treatment of amine neutralizers
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 rpm, adding an amine neutralizer dimethylethanolamine, and stirring for 5-10 minutes for later use;
(7) Polyether modified polydimethylsiloxane dilution treatment
Adding pure water into a stainless steel basin, stirring at a low speed of 300-500 rpm, adding BYK333, and stirring for 5-10 minutes for later use;
blending: the various raw materials were added in the following order
Sequentially adding bisphenol A type phenolic epoxy aqueous dispersion WB4001 into a paint mixing tank, stirring at a low speed of 300-500 r/min, pure water, a defoaming agent Tego 830 diluted by a main raw material ratio (4), aqueous epoxy modified acrylic emulsion DC-106, propylene glycol methyl ether, a wetting agent Tego4100, a wetting defoaming agent 104E, a leveling agent BYK381 diluted by a main raw material ratio (3), then changing the stirring at a high speed of 1200-1500 r/min, stirring for 30 min, a conductive water slurry dispersed by the main raw material ratio (2), a preservative water slurry dispersed by the main raw material ratio (1), polyether modified polydimethylsiloxane diluted by the main raw material ratio (7), stirring for 20 min, adjusting the PH value by an amine neutralizer diluted by the step (6), adjusting the viscosity by a thickener diluted by the step (5), and packaging after all performances are qualified.
3. Use of the aqueous medical waste conduit inner wall protective paint of claim 1 for medical waste conduit inner wall coating; the application refers to that the protective paint reduces bacterial impurities in medical wastewater from adhering to the surface of a coating film.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311814957.5A CN117645825A (en) | 2023-12-27 | 2023-12-27 | Water-based medical waste pipe inner wall paint and preparation method and application thereof |
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|---|---|---|---|
| CN202311814957.5A CN117645825A (en) | 2023-12-27 | 2023-12-27 | Water-based medical waste pipe inner wall paint and preparation method and application thereof |
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| Country | Link |
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