CN114561136A - Environment-friendly antibacterial mildew-resistant coating and production process thereof - Google Patents
Environment-friendly antibacterial mildew-resistant coating and production process thereof Download PDFInfo
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- CN114561136A CN114561136A CN202210445070.2A CN202210445070A CN114561136A CN 114561136 A CN114561136 A CN 114561136A CN 202210445070 A CN202210445070 A CN 202210445070A CN 114561136 A CN114561136 A CN 114561136A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 44
- 238000000576 coating method Methods 0.000 title claims abstract description 33
- 239000011248 coating agent Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000839 emulsion Substances 0.000 claims abstract description 23
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000000080 wetting agent Substances 0.000 claims abstract description 13
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000003449 preventive effect Effects 0.000 claims abstract description 11
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 11
- 239000011787 zinc oxide Substances 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 6
- 229920002678 cellulose Polymers 0.000 claims abstract description 5
- 239000001913 cellulose Substances 0.000 claims abstract description 5
- 238000007710 freezing Methods 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 10
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 10
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 10
- -1 alcohol ester Chemical class 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 3
- 239000003899 bactericide agent Substances 0.000 claims description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 9
- 230000003115 biocidal effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract description 3
- 239000002086 nanomaterial Substances 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 241000894006 Bacteria Species 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 3
- 239000011527 polyurethane coating Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Abstract
The invention belongs to the field of coatings, and particularly relates to an environment-friendly antibacterial mildew-resistant coating and a production process thereof, wherein the environment-friendly antibacterial mildew-resistant coating comprises the following raw materials in parts by weight: 24-30 parts of water, 0.3-0.5 part of cellulose, 0.5-0.8 part of dispersing agent, 0.1-0.3 part of water-based wetting agent, 0.2-2 parts of antibacterial mildew preventive, 15-20 parts of titanium dioxide, 7-10 parts of kaolin, 10-15 parts of calcium carbonate, 6-15 parts of diatomite, 1-3 parts of superfine zinc oxide, 18-25 parts of emulsion, 0.5-1 part of anti-freezing agent, 0.5-1 part of film-forming auxiliary agent and 0.4-0.7 part of defoaming agent. According to the invention, the superfine zinc oxide powder is added, so that the mould and bacteria can be synergistically prevented, indoor formaldehyde can be efficiently removed, and the effect of purifying the indoor environment is jointly realized; the natural plant components and the inorganic nano material are utilized to perform mildew prevention, antibiosis and aldehyde removal, so that the coating is healthier and more environment-friendly, and the coating can not mildew and has the effects of antibiosis and sterilization through the compound system.
Description
Technical Field
The invention belongs to the field of coatings, and particularly relates to an environment-friendly antibacterial and mildewproof coating and a production process thereof.
Background
With the continuous improvement of the functional requirements of the market on products and the continuous deepening of research and development of antibacterial materials by people, the antibacterial aqueous polyurethane coating has increasingly received the attention of consumers at home and abroad, and because the aqueous polyurethane coating contains macromolecular resin, color paste, auxiliary agents, water and the like, the aqueous polyurethane coating is very easy to be polluted by microorganisms to cause mildew, color change and the like.
Disclosure of Invention
The invention aims to provide an environment-friendly antibacterial and mildewproof coating and a production process thereof.
The environment-friendly antibacterial mildew-resistant coating is characterized by comprising the following raw materials in parts by weight: 24-30 parts of water, 0.3-0.5 part of cellulose, 0.5-0.8 part of dispersing agent, 0.1-0.3 part of water-based wetting agent, 0.2-2 parts of antibacterial mildew preventive, 15-20 parts of titanium dioxide, 7-10 parts of kaolin, 10-15 parts of calcium carbonate, 6-15 parts of diatomite, 1-3 parts of superfine zinc oxide, 18-25 parts of emulsion, 0.5-1 part of anti-freezing agent, 0.5-1 part of film-forming auxiliary agent and 0.4-0.7 part of defoaming agent.
Preferably, the cellulose is hydroxyethyl cellulose.
Preferably, the emulsion is styrene-acrylic emulsion or pure acrylic emulsion.
Preferably, the aqueous wetting agent is TD-3070.
Preferably, the antibacterial and mildewproof agent is EG-CF bactericide.
Preferably, the defoaming agent is CF-1511 or CF-16.
Preferably, the film-forming assistant is an alcohol ester film-forming assistant.
A production process of an environment-friendly antibacterial mildew-proof coating comprises the following steps:
s1, sequentially adding water and hydroxyethyl cellulose to disperse for 2-4 min at a rotating speed of less than 600rpm of a reaction kettle;
s2, keeping the rotating speed of the reaction kettle unchanged, adding an antibacterial mildew preventive, and dispersing for 2-5 min;
s3, increasing the rotating speed of the reaction kettle to 600-1000 rpm, sequentially adding a wetting agent, a dispersing agent, a defoaming agent, titanium dioxide, kaolin, calcium carbonate, diatomite and superfine zinc oxide, increasing the rotating speed of the reaction kettle to 1200-1500 rpm, and dispersing for 15-25 min;
and S4, adjusting the rotating speed of the reaction kettle to 700-1000 rpm, sequentially adding the emulsion, the antifreezing agent and the film-forming auxiliary agent, and continuously stirring for 10-15 min to obtain the finished product of the environment-friendly antibacterial and mildewproof coating.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the superfine zinc oxide powder is added, so that mildew prevention and antibiosis can be cooperatively carried out, indoor formaldehyde can be efficiently removed, and the effect of purifying indoor environment is jointly realized; the natural plant components and the inorganic nano material are utilized to perform mildew prevention, antibiosis and aldehyde removal, so that the coating is healthier and more environment-friendly, and the coating can not mildew and has the effects of antibiosis and sterilization through the compound system.
Detailed Description
In order to facilitate an understanding of the present invention, the present invention will be described more fully with reference to the following examples. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The environment-friendly antibacterial mildew-resistant coating comprises the following components in parts by weight: 24 parts of water, 0.3 part of hydroxyethyl cellulose, 0.5 part of dispersing agent (quick and easy), 0.1 part of water-based wetting agent (TD-3070), 0.2 part of antibacterial mildew preventive (EG-CF), 15 parts of titanium dioxide, 7 parts of kaolin, 10 parts of calcium carbonate, 6 parts of diatomite, 1 part of superfine zinc oxide, 18 parts of emulsion, 0.5 part of antifreezing agent, 0.5 part of alcohol ester film forming aid and 0.4 part of defoaming agent (CF-1511).
The production process comprises the following steps:
1. sequentially adding water and hydroxyethyl cellulose at a rotating speed of less than 600rpm of the reaction kettle, and dispersing for 2-4 min;
2. keeping the rotating speed of the reaction kettle unchanged, adding a natural plant antibacterial mildew preventive, and dispersing for 2-5 min;
3. increasing the rotating speed of the reaction kettle to 600-1000 rpm, sequentially adding a wetting agent, a dispersing agent, a defoaming agent, titanium dioxide, kaolin, calcium carbonate, diatomite and superfine zinc oxide, increasing the rotating speed of the reaction kettle to 1200-1500 rpm, and dispersing for 15-25 min;
4. and adjusting the rotating speed of the reaction kettle to 700-1000 rpm, sequentially adding the emulsion, the antifreezing agent and the film-forming assistant, and continuously stirring for 10-15 min to obtain the finished product of the environment-friendly antibacterial and mildewproof coating.
Example 2
The environment-friendly antibacterial mildew-resistant coating comprises the following components in parts by weight: 30 parts of water, 0.5 part of hydroxyethyl cellulose, 0.8 part of a dispersing agent (quick and easy), 0.3 part of a water-based wetting agent (TD-3070), 2 parts of an antibacterial mildew preventive (EG-CF), 20 parts of titanium dioxide, 10 parts of kaolin, 15 parts of calcium carbonate, 15 parts of diatomite, 3 parts of superfine zinc oxide, 25 parts of emulsion, 1 part of an antifreezing agent, 1 part of an alcohol ester film-forming aid and 0.7 part of a defoaming agent (CF-16).
The production process comprises the following steps:
1. sequentially adding water and hydroxyethyl cellulose at a rotating speed of less than 600rpm of the reaction kettle, and dispersing for 2-4 min;
2. keeping the rotating speed of the reaction kettle unchanged, adding a natural plant antibacterial mildew preventive, and dispersing for 2-5 min;
3. increasing the rotating speed of the reaction kettle to 600-1000 rpm, sequentially adding a wetting agent, a dispersing agent, a defoaming agent, titanium dioxide, kaolin, calcium carbonate, diatomite and superfine zinc oxide, increasing the rotating speed of the reaction kettle to 1200-1500 rpm, and dispersing for 15-25 min;
4. and adjusting the rotating speed of the reaction kettle to 700-1000 rpm, sequentially adding the emulsion, the antifreezing agent and the film-forming assistant, and continuously stirring for 10-15 min to obtain the finished product of the environment-friendly antibacterial mildew-proof coating.
Example 3
The environment-friendly antibacterial mildew-resistant coating comprises the following components in parts by weight: 28 parts of water, 0.4 part of hydroxyethyl cellulose, 0.6 part of a dispersing agent (quick and easy), 0.2 part of a water-based wetting agent (TD-3070), 1.5 parts of an antibacterial mildew preventive (EG-CF), 18 parts of titanium dioxide, 9 parts of kaolin, 12 parts of calcium carbonate, 10 parts of diatomite, 2 parts of superfine zinc oxide, 20 parts of emulsion, 0.7 part of an antifreezing agent, 0.8 part of an alcohol ester film-forming aid and 0.6 part of a defoaming agent (CF-1511).
The production process comprises the following steps:
1. sequentially adding water and hydroxyethyl cellulose at a rotating speed of less than 600rpm of the reaction kettle, and dispersing for 2-4 min;
2. keeping the rotating speed of the reaction kettle unchanged, adding a natural plant antibacterial mildew preventive, and dispersing for 2-5 min;
3. increasing the rotating speed of the reaction kettle to 600-1000 rpm, sequentially adding a wetting agent, a dispersing agent, a defoaming agent, titanium dioxide, kaolin, calcium carbonate, diatomite and superfine zinc oxide, increasing the rotating speed of the reaction kettle to 1200-1500 rpm, and dispersing for 15-25 min;
4. and adjusting the rotating speed of the reaction kettle to 700-1000 rpm, sequentially adding the emulsion, the antifreezing agent and the film-forming assistant, and continuously stirring for 10-15 min to obtain the finished product of the environment-friendly antibacterial and mildewproof coating.
Comparative example 1
The composition and preparation method of this comparative example were different from those of example 1 in that a styrene-acrylic emulsion was used as the emulsion.
Comparative example 2
The composition and preparation of this comparative example differed from example 1 in that the emulsion used was a pure acrylic emulsion.
Comparative example 3
The composition and preparation method of this comparative example were different from those of example 1 in that the emulsion used was vinyl acetate emulsion.
Test example 1
The performance of examples 1-3 and comparative examples 1-3 of the invention are compared, wherein the low-temperature film forming property, the alkali resistance and the scrubbing resistance are referred to the national standard GB/T9756-; the antibacterial and mildewproof test is referred to HG/T3950-2007.
The properties of the coatings produced in the examples are given in the following table:
as can be seen from the above table, the water-based paint prepared by the invention does not go moldy and has the antibacterial and bactericidal effects.
The action mechanism of the invention is as follows: according to the invention, the superfine zinc oxide powder is added, so that the mould and bacteria can be synergistically prevented, indoor formaldehyde can be efficiently removed, and the effect of purifying the indoor environment is jointly realized; the natural plant components and the inorganic nano material are utilized to perform mildew prevention, antibiosis and aldehyde removal, so that the coating is healthier and more environment-friendly, and the coating can not mildew and has the effects of antibiosis and sterilization through the compound system.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The environment-friendly antibacterial mildew-resistant coating is characterized by comprising the following raw materials in parts by weight: 24-30 parts of water, 0.3-0.5 part of cellulose, 0.5-0.8 part of dispersing agent, 0.1-0.3 part of water-based wetting agent, 0.2-2 parts of antibacterial mildew preventive, 15-20 parts of titanium dioxide, 7-10 parts of kaolin, 10-15 parts of calcium carbonate, 6-15 parts of diatomite, 1-3 parts of superfine zinc oxide, 18-25 parts of emulsion, 0.5-1 part of anti-freezing agent, 0.5-1 part of film-forming auxiliary agent and 0.4-0.7 part of defoaming agent.
2. The environment-friendly antibacterial and mildewproof coating as claimed in claim 1, wherein the cellulose is hydroxyethyl cellulose.
3. The environment-friendly antibacterial and mildewproof coating as claimed in claim 1, wherein the emulsion is styrene-acrylic emulsion or acrylic emulsion.
4. The environment-friendly antibacterial and mildewproof coating as claimed in claim 1, wherein the aqueous wetting agent is TD-3070.
5. The environment-friendly antibacterial and mildewproof coating as claimed in claim 1, wherein the antibacterial and mildewproof agent is EG-CF bactericide.
6. The environment-friendly antibacterial and mildewproof coating as claimed in claim 1, wherein the antifoaming agent is CF-1511 or CF-16.
7. The environment-friendly antibacterial and mildewproof coating as claimed in claim 1, wherein the film forming assistant is an alcohol ester film forming assistant.
8. The production process of the environment-friendly antibacterial and mildewproof coating as claimed in any one of claims 1 to 7, comprising the following steps:
s1, sequentially adding water and hydroxyethyl cellulose to disperse for 2-4 min at a rotating speed of less than 600rpm of a reaction kettle;
s2, keeping the rotating speed of the reaction kettle unchanged, adding a natural plant antibacterial mildew preventive, and dispersing for 2-5 min;
s3, increasing the rotating speed of the reaction kettle to 600-1000 rpm, sequentially adding a wetting agent, a dispersing agent, a defoaming agent, titanium dioxide, kaolin, calcium carbonate, diatomite and superfine zinc oxide, increasing the rotating speed of the reaction kettle to 1200-1500 rpm, and dispersing for 15-25 min;
and S4, adjusting the rotating speed of the reaction kettle to 700-1000 rpm, sequentially adding the emulsion, the antifreezing agent and the film-forming auxiliary agent, and continuously stirring for 10-15 min to obtain the finished product of the environment-friendly antibacterial and mildewproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210445070.2A CN114561136A (en) | 2022-04-26 | 2022-04-26 | Environment-friendly antibacterial mildew-resistant coating and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210445070.2A CN114561136A (en) | 2022-04-26 | 2022-04-26 | Environment-friendly antibacterial mildew-resistant coating and production process thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN114561136A true CN114561136A (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210445070.2A Pending CN114561136A (en) | 2022-04-26 | 2022-04-26 | Environment-friendly antibacterial mildew-resistant coating and production process thereof |
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| CN (1) | CN114561136A (en) |
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Application publication date: 20220531 |