CN116554786A - Novel mildew-resistant wall coating - Google Patents
Novel mildew-resistant wall coating Download PDFInfo
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- CN116554786A CN116554786A CN202310700181.8A CN202310700181A CN116554786A CN 116554786 A CN116554786 A CN 116554786A CN 202310700181 A CN202310700181 A CN 202310700181A CN 116554786 A CN116554786 A CN 116554786A
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- 238000000576 coating method Methods 0.000 title claims abstract description 46
- 239000011248 coating agent Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 claims abstract description 24
- 239000003755 preservative agent Substances 0.000 claims abstract description 21
- 230000002335 preservative effect Effects 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 239000000839 emulsion Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000003756 stirring Methods 0.000 claims description 36
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 34
- 239000002562 thickening agent Substances 0.000 claims description 34
- 239000000080 wetting agent Substances 0.000 claims description 27
- 239000002270 dispersing agent Substances 0.000 claims description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 17
- 229920002678 cellulose Polymers 0.000 claims description 17
- 239000001913 cellulose Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 16
- 239000012752 auxiliary agent Substances 0.000 claims description 13
- 239000002518 antifoaming agent Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000004094 surface-active agent Substances 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 12
- 238000009736 wetting Methods 0.000 claims description 12
- 239000003112 inhibitor Substances 0.000 claims description 11
- 239000005995 Aluminium silicate Substances 0.000 claims description 10
- 235000012211 aluminium silicate Nutrition 0.000 claims description 10
- 238000007046 ethoxylation reaction Methods 0.000 claims description 10
- 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 description 10
- 239000010445 mica Substances 0.000 claims description 9
- 229910052618 mica group Inorganic materials 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 239000008399 tap water Substances 0.000 claims description 9
- 235000020679 tap water Nutrition 0.000 claims description 9
- 239000004408 titanium dioxide Substances 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 159000000000 sodium salts Chemical class 0.000 claims description 8
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 5
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 5
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- 239000001038 titanium pigment Substances 0.000 claims description 4
- 230000003449 preventive effect Effects 0.000 claims description 2
- 125000005457 triglyceride group Chemical group 0.000 claims description 2
- 230000001046 anti-mould Effects 0.000 claims 1
- 239000002546 antimould Substances 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 9
- 150000002923 oximes Chemical class 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000009036 growth inhibition Effects 0.000 abstract description 2
- 238000005201 scrubbing Methods 0.000 abstract description 2
- 239000012855 volatile organic compound Substances 0.000 description 28
- 239000003973 paint Substances 0.000 description 14
- 230000007547 defect Effects 0.000 description 3
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000012463 white pigment Substances 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
- C09D7/43—Thickening agents
-
- 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
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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 discloses a novel anti-mildew wall coating, which relates to the technical field of wall coatings, and comprises the following preparation steps: s1, preparing materials; s2, primary mixing preparation; s3, preparing secondary materials, S4 and preparing secondary mixing. The novel anti-mildew wall coating has the advantages that the oxime acid antibacterial preparation can sterilize and prevent corrosion, formaldehyde is not released, the oxime acid antibacterial preparation is non-volatile and has good stability, the preservative is a zero-VOC broad-spectrum sterilization preservative additive, the VOC content of the low-VOC emulsion is low, the APEO is not contained, the excellent scrubbing resistance is realized, the coating is nontoxic and environment-friendly, the natural oxime acid preparation is added into the wall coating, the mildew in the environment which is easy to wet such as a toilet, a basement and a kitchen in a house can be effectively reduced, the growth inhibition effect on mildew in the application environment can be effectively realized, the raw materials are selected to be mostly low-VOC materials, and the content of harmful volatile substances in the coating is reduced.
Description
Technical Field
The invention relates to the technical field of wall coating, in particular to novel mildew-resistant wall coating.
Background
The wall coating is used for decoration and protection of building walls, so that the building walls are attractive and tidy, and meanwhile, the wall coating can also play a role in protecting the building walls and prolonging the service life of the building walls, and comprises two parts, namely an inner wall coating and an outer wall coating according to the classification of the building walls.
The prior wall coating, whether the inner wall coating or the outer wall coating, has insufficient broad spectrum of antibacterial substances, and can not form more effective protection for the environment mixed by multiple strains.
Accordingly, in view of the above, research and improvement are made on the existing structure and the existing defects, and a novel anti-mildew wall coating is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel anti-mildew wall coating, which solves the problems in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the novel anti-mildew wall coating comprises the following preparation steps:
s1, preparing materials:
the required dosage of each raw material is weighed by weighing equipment, and each raw material is as follows:
water, a dispersing agent, a wetting agent, a defoaming agent, a high-boiling-point film forming auxiliary agent, a wetting surfactant, a cellulose thickener, a pH regulator, titanium dioxide, mica powder, calcium carbonate and kaolin;
s2, primary mixing preparation:
adding water A into a mixing furnace, slowly stirring the water A by a stirring mechanism, sequentially and slowly adding a dispersing agent, a wetting agent, a defoaming agent, a high-boiling-point film forming auxiliary agent, a wetting surface active agent, a cellulose thickening agent, a pH regulator, titanium dioxide, mica powder, calcium carbonate and kaolin in the stirring process, and uniformly stirring to obtain a mixture A;
s3, preparing a secondary material:
weighing by using weighing equipment to prepare the following raw materials:
water, preservative, low VOC emulsion, mildew inhibitor and thickener;
s4, secondary mixing preparation:
and (3) adding water B, preservative, low VOC emulsion, mildew inhibitor and thickener in the mixture A in sequence for mixing, wherein a stirring mechanism is used for stirring at a low speed during mixing, the rotating speed of the stirring mechanism is controlled to be 400-800 revolutions per minute, and the novel mildew-resistant wall coating can be obtained after uniform stirring.
In the step S1, tap water is selected as the water A, and 300-350 parts of tap water are weighed according to the parts by weight.
Further, in the step S1, the dispersing agent adopts an odor-removing dispersing agent which has zero VOC and high dispersing efficiency, the odor-removing dispersing agent is polycarboxylic acid sodium salt, and the weight part of the polycarboxylic acid sodium salt is 5-7 parts.
In the step S1, the wetting agent is an ethoxylated wetting agent, the ethoxylated wetting agent has the characteristics of zero VOC and no APEO, and the weight portion of the ethoxylated wetting agent is 2-3 portions.
In the step S1, the defoamer is selected from the group consisting of triglyceride or alcohol ether and emulsifier mixture, and the weight part of the defoamer is 2-3 parts.
In the step S1, the weight parts of the high-boiling-point film forming auxiliary agent are 6-10 parts, the weight parts of the wetting surface active agent are 5-8 parts, the cellulose thickener is hydroxyethyl cellulose thickener, the weight parts of the cellulose thickener are 4-8 parts, the weight parts of the pH regulator are 0.5-1 part, and the weight parts of the titanium pigment are 90-130 parts.
In the step S1, the calcium carbonate is sieved by a sieve with 800 meshes or 1000 meshes during material preparation, and the weight parts of the calcium carbonate are 180-220 parts and 100-130 parts respectively.
Further, in the step S2, the rotating speed of the stirring mechanism is controlled to be 400-800 revolutions per minute, and the temperature is controlled to be 26-30 ℃ at room temperature.
Further, in the step S3, the components of water B and water A are consistent, the weight part of water B is 10-50 parts, the weight part of preservative is 2-3 parts, and the weight part of low VOC emulsion is 100-180 parts.
Further, in the step S3, the weight part of the mildew preventive is 2-4 parts, and the weight part of the thickener is 1-3 parts.
The invention provides a novel anti-mildew wall coating, which has the following beneficial effects:
according to the novel anti-mildew wall coating, the natural oxime acid preparation is added into the wall coating, so that the anti-mildew wall coating can effectively reduce the growth inhibition effect of mildew in application environments after being sprayed in environments such as toilets, basements and kitchens which are easy to wet in houses, and the raw materials are selected to be mostly low-VOC materials, so that the content of harmful volatile substances in the coating is reduced.
Drawings
FIG. 1 is a schematic diagram of a preparation process of a novel anti-mildew wall coating of the invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the present invention provides the following technical solutions: a novel anti-mildew wall coating comprises the following preparation steps:
s1, preparing materials:
the required dosage of each raw material is weighed by weighing equipment, and each raw material is as follows:
water, a dispersing agent, a wetting agent, a defoaming agent, a high-boiling-point film forming auxiliary agent, a wetting surfactant, a cellulose thickener, a pH regulator, titanium dioxide, mica powder, calcium carbonate and kaolin;
wherein, the water A is tap water, 300-350 parts of tap water is weighed according to the weight parts, the dispersing agent adopts a deodorizing dispersing agent which has VOC (volatile organic compound) and high dispersing efficiency, the deodorizing dispersing agent is polycarboxylic acid sodium salt, the weight parts of the polycarboxylic acid sodium salt are 5-7 parts, the wetting agent adopts an ethoxylation wetting agent, the ethoxylation wetting agent has the characteristics of zero VOC and no APEO (advanced polyethylene oxide), the weight parts of the ethoxylation wetting agent are 2-3 parts, the defoaming agent adopts triglyceride or alcohol ether and emulsifier mixture components, the weight parts of the defoaming agent are 2-3 parts, the weight parts of the high boiling point film forming auxiliary agent are 6-10 parts, the weight parts of the wetting surface active agent are 5-8 parts, the weight parts of the cellulose thickening agent are hydroxyethyl cellulose thickening agent, the weight parts of the cellulose thickening agent are 4-8 parts, the weight parts of the pH regulator are 0.5-1 part, the weight parts of the titanium pigment are 90-130 parts, the calcium carbonate is sieved by a sieve of 800 meshes or 1000 meshes during material preparation, and the weight parts of the calcium carbonate are 180-130 parts of kaolin;
s2, primary mixing preparation:
adding water A into a mixing furnace, slowly stirring the water A by a stirring mechanism, sequentially and slowly adding a dispersing agent, a wetting agent, a defoaming agent, a high-boiling-point film forming auxiliary agent, a wetting surface active agent, a cellulose thickening agent, a pH regulator, titanium dioxide, mica powder, calcium carbonate and kaolin in the stirring process, and uniformly stirring to obtain a mixture A;
wherein the rotating speed of the stirring mechanism is controlled to be 400-800 revolutions per minute, and the temperature is controlled to be 26-30 ℃ at room temperature;
s3, preparing a secondary material:
weighing by using weighing equipment to prepare the following raw materials:
water, preservative, low VOC emulsion, mildew inhibitor and thickener;
wherein the components of the water B and the water A are consistent, the weight part of the water B is 10-50, the weight part of the preservative is 2-3, the weight part of the low VOC emulsion is 100-180, the weight part of the mildew inhibitor is 2-4, and the weight part of the thickener is 1-3;
s4, secondary mixing preparation:
adding water B, preservative, low VOC emulsion, mildew inhibitor and thickener in sequence in the mixture A for mixing, and slowly stirring by a stirring mechanism during mixing, wherein the rotating speed of the stirring mechanism is controlled to be 400-800 revolutions per minute, and the novel mildew-resistant wall coating can be obtained after uniform stirring;
based on the description of S1-S4, water A and water B are tap water used as solvent substrates, the dispersing agent adopts an odor-removing dispersing agent which has VOC (volatile organic compound) and high dispersing efficiency, the dispersing agent has a dispersing effect, can reduce the viscosity of an abrasive, improve the storage stability of a coating, increase the gloss and leveling property, and select the odor-removing dispersing agent which has VOC and high dispersing efficiency, so that the charge repulsive force and the steric hindrance among enough ions are improved, the problems of layering and caking are thoroughly solved, the wetting agent can reduce the surface tension of a finished product, so that pigment and filler are easier to wet and disperse, and the ethoxylation wetting agent is selected because the wetting agent has the characteristics of zero VOC, no APEO (volatile organic compound) and the like, has high compatibility stability with a system, and is used for preventing the coating from generating foam in the use process and avoiding the defects of pinholes, shrinkage and the like caused by foam collapse in the drying of the coating film;
the cellulose thickener is hydroxyethyl cellulose thickener, which increases the viscosity of the dispersed material to facilitate dispersion, prevents pigment and filler from sinking and caking, improves the stability of the paint, has good compatibility and stability with the system, has stable viscosity after storage, and the pH regulator regulates the pH in the whole dispersion system, so that each component can be kept stable in the system, titanium dioxide is the most ideal white pigment commonly used, has very high reflecting capacity and very low absorbing capacity for visible light, has very good brightness, mica powder has unique two-dimensional lamellar structure, ultraviolet shielding functionality and chemical inertness and has the characteristic of clay mineral, and has small particle size and narrow particle size distribution, does not have precipitation layering phenomenon, greatly improves the suspension property of the paint, ensures the pure hue of the paint, has strong tinting strength and improved hiding power, can improve the dispersibility and fineness index of the paint, and has good effects on the appearance, glossiness, fullness and hardness of the paint;
the calcium carbonate ensures that the paint is not settled, easy to disperse and good in gloss, the preservative is an oxime acid antibacterial agent which can sterilize and prevent corrosion, formaldehyde is not released, the preservative is not volatilized and good in stability, the preservative is a zero-VOC broad-spectrum sterilization preservative additive, the pH and temperature requirements of a formula system are quite wide, the preservative is a preservative sterilization auxiliary agent mildew inhibitor which does not contain formaldehyde in the true sense, the VOC content of a low-VOC emulsion is low, the preservative does not contain APEO (advanced ethylene oxide) and is excellent in scrubbing resistance, and an advanced odor removing technology is adopted, so that the paint is nontoxic and environment-friendly, therefore, the mildew in the application environment can be effectively reduced to produce growth effect inhibition effects after being sprayed in the environment such as a toilet, a basement and a kitchen in a house by adding the natural oxime acid agent into the wall paint, the raw materials are selected to be mostly low-VOC materials, and the content of harmful volatile substances in the paint is reduced.
Embodiment one:
as shown in figure 1, when the novel anti-mildew wall coating is used, the required dosage of each raw material is weighed by weighing equipment, and the raw materials are as follows:
water, a dispersing agent, a wetting agent, a defoaming agent, a high-boiling-point film forming auxiliary agent, a wetting surfactant, a cellulose thickener, a pH regulator, titanium dioxide, mica powder, calcium carbonate and kaolin;
wherein, the water A is tap water, 300 parts of tap water is weighed according to the weight parts, the dispersing agent adopts an odor removing dispersing agent which has zero VOC and high dispersing efficiency, the odor removing dispersing agent is polycarboxylic acid sodium salt, the weight parts of the polycarboxylic acid sodium salt are 5 parts, the wetting agent adopts an ethoxylation type wetting agent, the ethoxylation type wetting agent has the characteristics of zero VOC and no APEO, the weight parts of the ethoxylation type wetting agent are 2 parts, the defoaming agent adopts triglyceride or alcohol ether and emulsifier mixture components, the weight parts of the defoaming agent are 2 parts, the weight parts of the high boiling point film forming auxiliary agent are 6 parts, the weight parts of the wetting surface active agent are 5 parts, the weight parts of the cellulose thickening agent are hydroxyethyl cellulose thickening agent, the weight parts of the cellulose thickening agent are 4 parts, the weight parts of the pH regulator are 0.5 parts, the weight parts of titanium pigment is 90 parts, the calcium carbonate is subjected to 800-mesh screen during material preparation, the weight parts of the calcium carbonate are 180 parts, and the weight parts of the kaolin is 100 parts;
adding water A into a mixing furnace, slowly stirring the water A by a stirring mechanism, sequentially and slowly adding a dispersing agent, a wetting agent, a defoaming agent, a high-boiling-point film forming auxiliary agent, a wetting surface active agent, a cellulose thickening agent, a pH regulator, titanium dioxide, mica powder, calcium carbonate and kaolin in the stirring process, and uniformly stirring to obtain a mixture A;
wherein, the rotating speed of the stirring mechanism is controlled at 400 revolutions per minute, and the temperature is controlled at 26 ℃ at room temperature;
weighing by using weighing equipment to prepare the following raw materials:
water, preservative, low VOC emulsion, mildew inhibitor and thickener;
wherein the components of water B and water A are consistent, the weight part of water B is 10 parts, the weight part of preservative is 2 parts, the weight part of low VOC emulsion is 100 parts, the weight part of mildew inhibitor is 2 parts, and the weight part of thickener is 1 part;
and (3) adding water B, preservative, low VOC emulsion, mildew inhibitor and thickener in the mixture A in sequence for mixing, wherein a stirring mechanism is used for stirring at a low speed during mixing, the rotating speed of the stirring mechanism is controlled at 400 revolutions per minute, and the novel mildew-resistant wall coating can be obtained after the stirring is uniform.
By replacing the traditional antibacterial agent with an oxime acid preparation with wider-spectrum antibacterial property, the preparation is green, natural, nontoxic and harmless, and does not cause harm to human bodies; the preparation has good stability, and can keep the antibacterial effect for a long time after the paint is sprayed on the wall surface; in addition, the preparation is insoluble in water, cannot be influenced by moisture in air in a humid environment, cannot destroy the antibacterial effect of the paint when the wall surface is scrubbed and cleaned, is a green and environment-friendly safe paint, and various substances selected in the formula are low-VOC products and formaldehyde-free or benzene-free products, so that a large amount of VOC is generated after the paint is used, and the problems of generating unpleasant and pungent smell and injuring human bodies caused by harmful substances after the paint is used are avoided.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A novel anti-mould wall coating is characterized in that: the novel anti-mildew wall coating comprises the following preparation steps:
s1, preparing materials:
the required dosage of each raw material is weighed by weighing equipment, and each raw material is as follows:
water, a dispersing agent, a wetting agent, a defoaming agent, a high-boiling-point film forming auxiliary agent, a wetting surfactant, a cellulose thickener, a pH regulator, titanium dioxide, mica powder, calcium carbonate and kaolin;
s2, primary mixing preparation:
adding water A into a mixing furnace, slowly stirring the water A by a stirring mechanism, sequentially and slowly adding a dispersing agent, a wetting agent, a defoaming agent, a high-boiling-point film forming auxiliary agent, a wetting surface active agent, a cellulose thickening agent, a pH regulator, titanium dioxide, mica powder, calcium carbonate and kaolin in the stirring process, and uniformly stirring to obtain a mixture A;
s3, preparing a secondary material:
weighing by using weighing equipment to prepare the following raw materials:
water, preservative, low VOC emulsion, mildew inhibitor and thickener;
s4, secondary mixing preparation:
and (3) adding water B, preservative, low VOC emulsion, mildew inhibitor and thickener in the mixture A in sequence for mixing, wherein a stirring mechanism is used for stirring at a low speed during mixing, the rotating speed of the stirring mechanism is controlled to be 400-800 revolutions per minute, and the novel mildew-resistant wall coating can be obtained after uniform stirring.
2. The novel mold-resistant wall coating according to claim 1, wherein: in the step S1, the water A is tap water, and 300-350 parts of tap water are weighed according to the parts by weight.
3. The novel mold-resistant wall coating according to claim 1, wherein: in the step S1, the dispersing agent adopts an odor-removing dispersing agent which has zero VOC and high dispersing efficiency, wherein the odor-removing dispersing agent is polycarboxylic acid sodium salt, and the weight part of the polycarboxylic acid sodium salt is 5-7 parts.
4. The novel mold-resistant wall coating according to claim 1, wherein: in the step S1, the wetting agent is an ethoxylation wetting agent, the ethoxylation wetting agent has the characteristics of zero VOC and no APEO, and the weight part of the ethoxylation wetting agent is 2-3 parts.
5. The novel mold-resistant wall coating according to claim 1, wherein: in the step S1, the defoamer is selected from the group consisting of triglyceride or alcohol ether and emulsifier mixture, and the weight part of the defoamer is 2-3 parts.
6. The novel mold-resistant wall coating according to claim 1, wherein: in the step S1, the weight parts of the high-boiling-point film forming auxiliary agent are 6-10 parts, the weight parts of the wetting surface active agent are 5-8 parts, the cellulose thickener is hydroxyethyl cellulose thickener, the weight parts of the cellulose thickener are 4-8 parts, the weight parts of the pH regulator are 0.5-1 part, and the weight parts of the titanium pigment are 90-130 parts.
7. The novel mold-resistant wall coating according to claim 1, wherein: in the step S1, the calcium carbonate is screened by a screen mesh of 800 meshes or 1000 meshes during material preparation, and the weight parts of the calcium carbonate are 180-220 parts and 100-130 parts respectively.
8. The novel mold-resistant wall coating according to claim 1, wherein: in the step S2, the rotating speed of the stirring mechanism is controlled to be 400-800 revolutions per minute, and the temperature is controlled to be 26-30 ℃ at room temperature.
9. The novel mold-resistant wall coating according to claim 1, wherein: in the step S3, the components of water B and water A are consistent, the weight part of water B is 10-50 parts, the weight part of preservative is 2-3 parts, and the weight part of low VOC emulsion is 100-180 parts.
10. The novel mold-resistant wall coating according to claim 1, wherein: in the step S3, the weight part of the mildew preventive is 2-4 parts, and the weight part of the thickener is 1-3 parts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310700181.8A CN116554786A (en) | 2023-06-14 | 2023-06-14 | Novel mildew-resistant wall coating |
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| CN202310700181.8A CN116554786A (en) | 2023-06-14 | 2023-06-14 | Novel mildew-resistant wall coating |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109852160A (en) * | 2019-02-20 | 2019-06-07 | 肇庆千江高新材料科技股份公司 | Multifunctional inner wall coating material and its preparation method and application |
| CN113321977A (en) * | 2021-06-17 | 2021-08-31 | 中节能(唐山)环保装备有限公司 | Water-based antibacterial and mildewproof coating and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109852160A (en) * | 2019-02-20 | 2019-06-07 | 肇庆千江高新材料科技股份公司 | Multifunctional inner wall coating material and its preparation method and application |
| CN113321977A (en) * | 2021-06-17 | 2021-08-31 | 中节能(唐山)环保装备有限公司 | Water-based antibacterial and mildewproof coating and preparation method thereof |
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