CN114874661B - Water-based paint containing shell powder and preparation method thereof - Google Patents
Water-based paint containing shell powder and preparation method thereof Download PDFInfo
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- CN114874661B CN114874661B CN202110668425.XA CN202110668425A CN114874661B CN 114874661 B CN114874661 B CN 114874661B CN 202110668425 A CN202110668425 A CN 202110668425A CN 114874661 B CN114874661 B CN 114874661B
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- 239000000843 powder Substances 0.000 title claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000003973 paint Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 24
- 239000002562 thickening agent Substances 0.000 claims abstract description 21
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims abstract description 18
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 18
- 229960000892 attapulgite Drugs 0.000 claims description 20
- 229910052625 palygorskite Inorganic materials 0.000 claims description 20
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 19
- 239000011575 calcium Substances 0.000 claims description 19
- 229910052791 calcium Inorganic materials 0.000 claims description 19
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 16
- 229920002472 Starch Polymers 0.000 claims description 13
- 239000008107 starch Substances 0.000 claims description 13
- 235000019698 starch Nutrition 0.000 claims description 13
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 8
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 8
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 8
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 229920006243 acrylic copolymer Polymers 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 5
- 241000228245 Aspergillus niger Species 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- 229920002678 cellulose Polymers 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 159000000007 calcium salts Chemical group 0.000 description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 5
- HZVVJJIYJKGMFL-UHFFFAOYSA-N almasilate Chemical compound O.[Mg+2].[Al+3].[Al+3].O[Si](O)=O.O[Si](O)=O HZVVJJIYJKGMFL-UHFFFAOYSA-N 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 229920003086 cellulose ether Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- ZADYMNAVLSWLEQ-UHFFFAOYSA-N magnesium;oxygen(2-);silicon(4+) Chemical class [O-2].[O-2].[O-2].[Mg+2].[Si+4] ZADYMNAVLSWLEQ-UHFFFAOYSA-N 0.000 description 4
- 239000002199 base oil Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical group [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical class [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000008719 thickening Effects 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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0869—Acids or derivatives thereof
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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 the field of coatings, in particular to a shell powder-containing water-based coating and a preparation method thereof, wherein the shell powder-containing water-based coating comprises, by weight, 60-75 parts of natural antibacterial substances, 30-50 parts of inorganic aggregate, 1-10 parts of thickening agents and 5-15 parts of acrylic acid copolymers. The water-based paint containing shell powder has excellent stability and workability, does not generate layering phenomenon after long-time placement, simultaneously keeps better Aspergillus niger resistance in a high-humidity environment, has excellent formaldehyde purifying capacity and harmful gas removing capacity, and meets the requirements of people on safe environment. In addition, the water-based paint containing shell powder has simple raw materials, is convenient to operate, and has wide application prospect in the field of construction.
Description
Technical Field
The invention relates to the field of coatings, in particular to a water-based coating containing shell powder and a preparation method thereof.
Background
The aqueous paint is a paint using water as a solvent, and has been widely developed in recent years due to safety and harmlessness of the aqueous paint. The existing water-based paint applied to the building is various in types and generally comprises cement, calcium powder, fibers, a thickening agent, a dispersing agent and the like, however, most of the water-based paint cannot be weather-resistant in the use process, after environmental conditions are changed, the wall surface is cracked and peeled, after the water-based paint is in a high-humidity environment for a period of time, mildew points appear, so that the appearance is influenced, and meanwhile, the water-based paint is in the environment for a long time, so that certain influence is caused on the health of people. In addition, the water paint contains a large amount of inorganic filler, so that the water paint is extremely easy to cause uneven dispersion when being mixed with thickening organic matters, and the later use is influenced.
Disclosure of Invention
Aiming at some problems existing in the prior art, the first aspect of the invention provides a water-based paint containing shell powder, which comprises, by weight, 60-75 parts of natural antibacterial substances, 30-50 parts of inorganic aggregate, 1-10 parts of thickener and 5-15 parts of acrylic acid copolymer.
As a preferable technical scheme of the invention, the inorganic aggregate is calcium salt and/or silicate.
As a preferred embodiment of the present invention, the silicate is magnesium aluminum silicate or magnesium silicate salt.
As a preferred embodiment of the present invention, the apparent viscosity of the magnesium aluminosilicate is 20-25mpa.s.
As a preferable technical scheme of the invention, the calcium salt is gray calcium powder.
As a preferable technical scheme of the invention, the weight ratio of the calcium salt, the magnesium aluminum silicate and the magnesium silicate salt is (5-15): 1: (28-32).
As a preferred embodiment of the present invention, the thickener is cellulose ether and/or ether starch.
As a preferable technical scheme of the invention, the weight ratio of the cellulose ether to the ether starch is 1: (1-2).
As a preferred embodiment of the present invention, the acrylic acid copolymer is an ethylene-acrylic acid copolymer.
The second aspect of the invention provides a preparation method of the water-based paint containing shell powder, which comprises the following steps: adding natural antibacterial substances, inorganic aggregate, thickener and acrylic acid copolymer into a stirrer, and mixing.
Compared with the prior art, the invention has the following beneficial effects:
the water-based paint containing shell powder has excellent stability and workability, does not generate layering phenomenon after long-time placement, simultaneously keeps better Aspergillus niger resistance in a high-humidity environment, has excellent formaldehyde purifying capacity and harmful gas removing capacity, and meets the requirements of people on safe environment. In addition, the water-based paint containing shell powder has simple raw materials, is convenient to operate, and has wide application prospect in the field of construction.
Detailed Description
The present invention is illustrated by the following specific embodiments, but is not limited to the specific examples given below.
The first aspect of the invention provides a water-based paint containing shell powder, which comprises, by weight, 60-75 parts of natural antibacterial substances, 30-50 parts of inorganic aggregate, 1-10 parts of thickener and 5-15 parts of acrylic acid copolymer.
In one embodiment, the natural antibacterial agent comprises 70 parts of natural antibacterial substances, 41 parts of inorganic aggregate, 5 parts of thickener and 10 parts of acrylic copolymer in parts by weight.
In one embodiment, the natural antimicrobial substance is shell powder.
Preferably, the particle size of the shell powder is 500-1000 mesh, more preferably 800 mesh.
In one embodiment, the inorganic aggregate is a calcium salt and/or a silicate.
Preferably, the silicate is magnesium aluminosilicate or magnesium silicate salt.
Further preferably, the magnesium aluminosilicate has an apparent viscosity of 20-25mpa.s; more preferably 22mpa.s.
Apparent viscosity in this application refers to apparent viscosity at 25 ℃.
More preferably, the magnesium alumino silicate is attapulgite.
The attapulgite is purchased from Sixian Yuan Xin metallurgical casting material factory.
Preferably, the salt is gray calcium powder.
Preferably, the magnesium silicate salt is talcum powder.
Further preferably, the particle size of the talcum powder is 325-600 meshes.
In one embodiment, the weight ratio of calcium salt, magnesium aluminosilicate and magnesium silicate salt is (5-15): 1: (28-32), preferably 10:1:30.
preferably, the particle size of the dust calcium powder is 400-1000 mesh, more preferably 800 mesh.
In one embodiment, the thickener is a cellulose ether and/or an ether starch.
Preferably, the weight ratio of the cellulose ether to the ether starch is 1: (1-2), more preferably 1:1.5.
preferably, the cellulose ether is sodium carboxymethyl cellulose available from Shengxing cellulose works in Wen county.
The ether starch is sodium carboxymethyl starch and is purchased from Xinjie cellulose factory in city county.
In one embodiment, the acrylic acid copolymer is an ethylene acrylic acid copolymer.
Preferably, the ethylene-acrylic acid copolymer has an acrylic acid content of 5 to 10wt%, more preferably 7wt%.
The applicant applied a related patent of water-based paint before, found that layering occurs after a period of time in the using process of adding water and stirring, and needs to be mixed and stirred again, and then the applicant unexpectedly found in experiments that when inorganic aggregate is calcium salt and silicate, especially gray calcium powder, attapulgite and talcum powder, the weight ratio of the inorganic aggregate is (5-15): 1: (28-32), the apparent viscosity of the attapulgite is 20-25mpa.s, the particle size of the ash calcium powder is 400-1000 meshes, and the particle size of the talcum powder is 325-600 meshes, when the attapulgite is used in water, layering phenomenon does not occur in 5h, and the applicant believes that the possible reason is that the addition of the specific ash calcium powder leads the viscosity of the water-based paint to be in a gradually-enhanced trend in the process of stirring with water, and the gradually-formed water-based paint molecules interact with each other along with the increase of the viscosity in the process of processing stirring, so that water molecules fully act in the water-based paint, and meanwhile, the stability of the water molecules among the water-based paint molecules is increased in the process of stirring by the attapulgite with a specific chain lamellar structure and the talcum powder with a lamellar structure.
The second aspect of the invention provides a preparation method of a water-based paint containing shell powder, which comprises the following steps: adding natural antibacterial substances, inorganic aggregate, thickener and acrylic acid copolymer into a stirrer, and mixing.
Examples
Hereinafter, the present invention will be described in more detail by way of examples, but it should be understood that these examples are merely illustrative and not limitative. The raw materials used in the following examples are all commercially available, unless otherwise specified.
Example 1
The embodiment 1 of the invention provides a water-based paint containing shell powder, which comprises the following components in parts by weight: 60 parts of natural antibacterial substances, 30 parts of inorganic aggregate, 1 part of thickener and 5 parts of acrylic copolymer.
The natural antibacterial substance is shell powder with the particle size of 800 meshes and is purchased from Hebei Runry mineral products limited company; the inorganic aggregate is ash calcium powder, attapulgite and talcum powder, and the weight ratio is 5:1:28; the ash calcium powder is purchased from Jinan Xinghui chemical industry limited company, and the grain size is 800 meshes; the attapulgite is purchased from Sishui county Yuxin metallurgical casting material factory, the apparent viscosity is 22mpa.s, the talcum powder particle size is 325 meshes, and the attapulgite is purchased from a mineral product processing factory of Ming's county of Ming's life; the thickener is sodium carboxymethyl cellulose and sodium carboxymethyl starch, and the weight ratio is 1:1, the sodium carboxymethyl cellulose is purchased from Shengxing cellulose factories in Wen county, and the sodium carboxymethyl starch is purchased from Xinjie cellulose factories in Yuan county. The acrylic acid copolymer is an ethylene-acrylic acid copolymer, the acrylic acid content is 7wt%, and the acrylic acid copolymer is purchased from Guangzhou-city stainless steel hanger base oil green powder.
The preparation method of the shell powder-containing water-based paint comprises the following steps: adding natural antibacterial substances, inorganic aggregate, thickener and acrylic acid copolymer into a stirrer, and mixing.
Example 2
The embodiment 2 of the invention provides a water-based paint containing shell powder, which comprises the following components in parts by weight: 75 parts of natural antibacterial substances, 50 parts of inorganic aggregate, 10 parts of thickener and 15 parts of acrylic copolymer.
The natural antibacterial substance is shell powder with the particle size of 800 meshes and is purchased from Hebei Runry mineral products limited company; the inorganic aggregate is gray calcium powder, attapulgite and talcum powder, and the weight ratio is 15:1:32; the ash calcium powder is purchased from Jinan Xinghui chemical industry limited company, and the grain size is 800 meshes; the attapulgite is purchased from Sishui county Yuxin metallurgical casting material factory, the apparent viscosity is 22mpa.s, the talcum powder particle size is 325 meshes, and the attapulgite is purchased from a mineral product processing factory of Ming's county of Ming's life; the thickener is sodium carboxymethyl cellulose and sodium carboxymethyl starch, and the weight ratio is 1:2, the sodium carboxymethyl cellulose is purchased from Shengxing cellulose factories in Wen county, and the sodium carboxymethyl starch is purchased from Xinjie cellulose factories in Yuan county. The acrylic acid copolymer is an ethylene-acrylic acid copolymer, the acrylic acid content is 7wt%, and the acrylic acid copolymer is purchased from Guangzhou-city stainless steel hanger base oil green powder.
The preparation method of the shell powder-containing water-based paint comprises the following steps: adding natural antibacterial substances, inorganic aggregate, thickener and acrylic acid copolymer into a stirrer, and mixing.
Example 3
The embodiment 3 of the invention provides a water-based paint containing shell powder, which comprises the following components in parts by weight: 70 parts of natural antibacterial substances, 41 parts of inorganic aggregate, 5 parts of thickener and 10 parts of acrylic copolymer.
The natural antibacterial substance is shell powder with the particle size of 800 meshes and is purchased from Hebei Runry mineral products limited company; the inorganic aggregate is gray calcium powder, attapulgite and talcum powder, and the weight ratio is 10:1:30; the ash calcium powder is purchased from Jinan Xinghui chemical industry limited company, and the grain size is 800 meshes; the attapulgite is purchased from Sishui county Yuxin metallurgical casting material factory, the apparent viscosity is 22mpa.s, the talcum powder particle size is 325 meshes, and the attapulgite is purchased from a mineral product processing factory of Ming's county of Ming's life; the thickener is sodium carboxymethyl cellulose and sodium carboxymethyl starch, and the weight ratio is 1:1.5, sodium carboxymethyl cellulose is purchased from Shengxing cellulose works in Wen county, and sodium carboxymethyl starch is purchased from Xinjie cellulose works in Yuan county. The acrylic acid copolymer is an ethylene-acrylic acid copolymer, the acrylic acid content is 7wt%, and the acrylic acid copolymer is purchased from Guangzhou-city stainless steel hanger base oil green powder.
The preparation method of the shell powder-containing water-based paint comprises the following steps: adding natural antibacterial substances, inorganic aggregate, thickener and acrylic acid copolymer into a stirrer, and mixing.
Example 4
The embodiment 4 of the invention provides a water-based paint containing shell powder, which is different from the embodiment 3 in that the inorganic aggregate is gray calcium powder, bentonite and talcum powder, and the weight ratio is 10:1:30; the ash calcium powder is purchased from Jinan Xinghui chemical industry limited company, and the grain size is 800 meshes; the particle size of the bentonite is 800 meshes, and the talcum powder is 325 meshes, and is purchased from Hebei Xinxu mineral products limited company.
The specific implementation mode of the preparation method of the shell powder-containing water-based paint is the same as that of example 3.
Example 5
The embodiment 5 of the invention provides a water-based paint containing shell powder, which is different from the embodiment 3 in that the inorganic aggregate is heavy calcium powder, attapulgite and talcum powder in a weight ratio of 10:1:30; the heavy calcium powder is purchased from Sanfeng chemical industry Co., ltd, and the particle size is 1000 meshes; the attapulgite is purchased from Sishui county Yuxin metallurgical casting material factory, the apparent viscosity is 22mpa.s, the talcum powder particle size is 325 meshes, and the attapulgite is purchased from a mineral product processing factory of Ming's county of Ming's.
The specific implementation mode of the preparation method of the shell powder-containing water-based paint is the same as that of example 3.
Performance evaluation
1. Construction stability: the shell powder-containing aqueous paints obtained in examples 1 to 5 were stirred with 30wt% water, and after 5 hours, they were observed to be layered.
2. Mold resistance: after adding 30wt% of water into the water-based paint containing shell powder obtained in examples 1 to 5, respectively, stirring, a paint film was prepared, and after standing for 1 month in a 70% environment, the Aspergillus niger mold resistance was tested using GB/T1741-2007.
TABLE 1
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (3)
1. The shell powder-containing water-based paint is characterized by comprising, by weight, 60-75 parts of natural antibacterial substances, 30-50 parts of inorganic aggregate, 1-10 parts of thickener and 5-15 parts of acrylic copolymer; the inorganic aggregate is gray calcium powder, attapulgite and talcum powder, and the weight ratio is (5-15): 1: (28-32), the apparent viscosity of the attapulgite is 20-25mpa.s, the particle size of the ash calcium powder is 400-1000 meshes, and the particle size of the talcum powder is 325-600 meshes; the thickener is sodium carboxymethyl cellulose and sodium carboxymethyl starch, and the weight ratio is 1: (1-2); the natural antibacterial substance is shell powder.
2. The shell powder-containing water-based paint according to claim 1, wherein the acrylic acid copolymer is an ethylene-acrylic acid copolymer.
3. A method for producing the shell powder-containing aqueous paint according to any one of claims 1 to 2, comprising: adding natural antibacterial substances, inorganic aggregate, thickener and acrylic acid copolymer into a stirrer, and mixing.
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| CN202110668425.XA CN114874661B (en) | 2021-06-16 | 2021-06-16 | Water-based paint containing shell powder and preparation method thereof |
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