CN111875998A - Water-based magnetic inorganic interior wall coating - Google Patents

Water-based magnetic inorganic interior wall coating Download PDF

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Publication number
CN111875998A
CN111875998A CN202010896101.7A CN202010896101A CN111875998A CN 111875998 A CN111875998 A CN 111875998A CN 202010896101 A CN202010896101 A CN 202010896101A CN 111875998 A CN111875998 A CN 111875998A
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Prior art keywords
interior wall
wall coating
material according
coating material
magnetic inorganic
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CN202010896101.7A
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Inventor
袁忠强
林昌庆
田山山
赵鹏坤
陈松
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Skshu Paint Co Ltd
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Skshu Paint Co Ltd
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Priority to CN202010896101.7A priority Critical patent/CN111875998A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D125/00Coating 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
    • C09D125/02Homopolymers or copolymers of hydrocarbons
    • C09D125/04Homopolymers or copolymers of styrene
    • C09D125/08Copolymers of styrene
    • C09D125/14Copolymers of styrene with unsaturated esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/23Magnetisable or magnetic paints or lacquers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/65Additives macromolecular
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2265Oxides; Hydroxides of metals of iron
    • C08K2003/2275Ferroso-ferric oxide (Fe3O4)
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/01Magnetic additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K

Abstract

The invention relates to a water-based magnetic inorganic interior wall coating which is mainly prepared from the following components in parts by weight: cellulose, inorganic thixotropic thickener, attapulgite, pH regulator, dispersant, wetting agent, talcum powder, magnetic powder, silica sol, bactericide and defoamer. The interior wall coating of the invention takes magnetic powder as main filler, so that the inorganic coating forms a ferromagnetic coating after being coated on a wall surface, and can achieve the nail-free effect by matching with the magnetic hanging piece. In addition, the magnetic inorganic coating provided by the invention has good dispersibility, is not easy to settle and delaminate, has good storage stability and is easy to construct. The invention adopts silica sol and a small amount of phenyl acrylic ester emulsion to be mixed as a film forming substance, and no film forming auxiliary agent and antifreezing agent are additionally added, thereby greatly reducing the VOC content and having super clean flavor. The organic content of the product is less than 5%, the product is completely nonflammable and has good flame retardance.

Description

Water-based magnetic inorganic interior wall coating
Technical Field
The invention relates to the technical field of functional environment-friendly building coatings, in particular to a magnetic inorganic interior wall coating and a preparation method thereof.
Background
The inorganic coating is a trend of the development of the interior wall coating due to high environmental protection and nonflammability, but the existing inorganic coating does not have magnetic force. The magnetic inner wall paint is a functional paint which can make the wall surface have ferromagnetism after being coated on the surface of the wall body, and can make the hanging piece with permanent magnetism be adsorbed on the wall surface so as to achieve the effect of nail-free. The existing water-based magnetic paint usually adopts a large amount of resin as a film-forming binder, and has low environmental protection property and flammability. In addition, because the magnetic powder adopted by the magnetic coating has large specific gravity, the magnetic coating is easy to settle in the coating, and layering, flocculation and hardening are easy to occur in the storage process, thereby influencing the subsequent use.
An interior wall coating with magnetic function and flame retardance is reported in Chinese patent CN201910270936.9, but a large amount of resin is used as emulsion, and a large amount of solvent and flame retardant auxiliary agent are additionally added, and most of organic substances contain volatile toxic monomer substances. In Chinese patent 201710840714.7, a coating with magnetomotive force function is also reported, but the coating is added with 25-75% of emulsion, and meanwhile, the dispersion is poor, and the coating is easy to be layered and hardened after storage.
Disclosure of Invention
The invention provides a water-based magnetic inorganic interior wall coating, which takes magnetic powder as a main filler, so that the inorganic coating forms a strong magnetic coating after being coated on a wall surface, and can achieve a nail-free effect by matching with a magnetic pendant. In addition, the magnetic inorganic coating provided by the invention has good dispersibility, is not easy to settle and delaminate, has good storage stability and is easy to construct.
The technical scheme of the invention is as follows: the water-based magnetic inorganic interior wall coating is mainly prepared from the following components in parts by weight:
Figure BDA0002658462480000011
Figure BDA0002658462480000021
further, the cellulose is a nonionic hydroxyethyl cellulose ether.
Further, the inorganic thixotropic thickener is a gel particle mainly composed of magnesium aluminum silicate.
Further, the attapulgite is an aqueous magnesium-rich aluminosilicate clay mineral having a chain layered structure. The scheme adopts the matching use of the inorganic thixotropic thickening agent and the attapulgite, so that the magnetic powder is not easy to settle and agglomerate.
Further, the dispersant is a sodium polycarboxylate dispersant.
Further, the wetting agent is an environment-friendly nonionic emulsifying wetting agent.
Further, the emulsion is a phenylacrylate copolymer emulsion with MFT of 0-10 ℃.
Further, the magnetic powder is ferroferric oxide fine powder with the purity of more than 99%.
Further, the silica sol is a nano-scale silica aqueous solution.
Further, the bactericide is an isothiazolinone bactericide.
Further, the defoaming agent is a nonionic defoaming agent or a silicone defoaming agent.
The ferroferric oxide fine powder is easy to settle and agglomerate under the conditions of aqueous property and low viscosity due to large specific gravity. Therefore, special anti-settling and thickening agents are required. The invention adopts the matching use of the inorganic thixotropic thickening agent and the attapulgite.
A preparation method of a water-based magnetic inorganic interior wall coating comprises the following steps,
firstly, adding water into a premixing dispersion tank, then sequentially adding 0.2-0.5 part of cellulose, 0.1-0.3 part of inorganic thixotropic thickener, 0.1-0.3 part of attapulgite and 0.05-0.2 part of PH regulator at the rotating speed of 300-;
and (II) increasing the rotating speed to 800r/min at 600-.
And thirdly, increasing the rotating speed to 800-.
The invention has the following beneficial effects: the interior wall coating of the invention takes magnetic powder as main filler, so that the inorganic coating forms a strong magnetic coating after being coated on a wall surface, and can achieve the nail-free effect by matching with the magnetic hanging piece. In addition, the magnetic inorganic coating provided by the invention has good dispersibility, is not easy to settle and delaminate, has good storage stability and is easy to construct.
The invention adopts silica sol and a small amount of phenyl acrylic ester emulsion to be mixed as a film forming substance, and no film forming auxiliary agent and antifreezing agent are additionally added, thereby greatly reducing the VOC content and having super clean flavor. The organic content of the product is less than 5%, the product is completely nonflammable and has good flame retardance.
Drawings
FIG. 1 is a picture of a plurality of sheets of A4 paper adsorbed by the aqueous magnetic inorganic coating.
FIG. 2 is a diagram of a plurality of sheets of A4 paper adsorbed after the surface of the magnetic inorganic coating is painted with latex paint white paint.
Detailed Description
The invention is further described below with reference to specific examples:
example 1
A preparation method of a water-based magnetic inorganic interior wall coating comprises the following components in parts by weight:
Figure BDA0002658462480000031
firstly, adding water into a premixing dispersion tank, then sequentially adding 0.5 part of cellulose, 0.3 part of inorganic thixotropic thickener, 0.3 part of attapulgite and 0.05 part of PH regulator at the rotating speed of 300r/min, and stirring for 2 min;
and (II) increasing the rotating speed to 600r/min, sequentially adding 0.6 part of dispersing agent, 0.2 part of wetting agent, 5 parts of emulsion and part of defoaming agent, and stirring for 2 min.
And (III) increasing the rotating speed to 800r/min, sequentially adding 3 parts of talcum powder, 60 parts of magnetic powder, 10 parts of silica sol, 0.15 part of bactericide, the other part of defoaming agent and water, and stirring for 15min until all the raw materials are stirred to be uniform and have no clot.
Example 2
A preparation method of a water-based magnetic inorganic interior wall coating comprises the following components in parts by weight:
Figure BDA0002658462480000041
firstly, adding water into a premixing dispersion tank, then sequentially adding 0.3 part of cellulose, 0.15 part of inorganic thixotropic thickener, 0.15 part of attapulgite and 0.1 part of PH regulator at the rotating speed of 350r/min, and stirring for 3 min;
and (II) increasing the rotating speed to 650r/min, sequentially adding 0.7 part of dispersing agent, 0.35 part of wetting agent, 7 parts of emulsion and part of defoaming agent, and stirring for 3 min.
And thirdly, increasing the rotating speed to 850r/min, sequentially adding 2 parts of talcum powder, 66 parts of magnetic powder, 8 parts of silica sol, 0.15 part of bactericide, the other part of defoaming agent and water, and stirring for 16min until all the raw materials are stirred to be uniform and have no clot.
Example 3
The water-based magnetic inorganic interior wall coating comprises the following components in parts by weight:
Figure BDA0002658462480000042
Figure BDA0002658462480000051
firstly, adding water into a premixing dispersion tank, then sequentially adding 0.2 part of cellulose, 0.2 part of inorganic thixotropic thickener, 0.2 part of attapulgite and 0.1 part of PH regulator at the rotating speed of 450r/min, and stirring for 5 min;
and (II) increasing the rotating speed to 800r/min, sequentially adding 1 part of dispersing agent, 0.5 part of wetting agent, 8 parts of emulsion and part of defoaming agent, and stirring for 5 min.
And (III) increasing the rotating speed to 1000r/min, sequentially adding 2 parts of talcum powder, 70 parts of magnetic powder, 5 parts of silica sol, 0.5 part of bactericide, the other part of defoamer and water, and stirring for 15-20min until all the raw materials are stirred to be uniform and have no clot.
In each embodiment of the aqueous magnetic inorganic interior wall coating prepared by the invention, according to the standards of qualified products in GB/T9756-2018 synthetic resin emulsion interior wall coating, the gloss (60 degrees <10 finish paint) of interior wall coating in HJ2537-2014 national environmental protection standard of the people's republic of China and GB8624-2012 combustion performance grading of building materials and products, the performance indexes and technical indexes measured by the combustion performance grade and grading criterion of flat building materials and products are shown in the following table:
Figure BDA0002658462480000052
Figure BDA0002658462480000061
as shown in figures 1 and 2, the inorganic coating forms a ferromagnetic coating after being coated on a wall surface, and can achieve a nail-free effect by matching with a magnetic pendant. As shown in Table 1, the products of examples 1 to 3 of the present invention were free from volatile organic compounds (g/L), free formaldehyde (mg/kg) and the total amount of benzene, toluene, xylene and ethylbenzene, and were excellent in scrub resistance, stability and flame retardancy of A1 grade.
The above examples preferably use the following raw materials from the manufacturer:
Figure BDA0002658462480000062
the foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the foregoing description only for the purpose of illustrating the principles of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims, specification, and equivalents thereof.

Claims (10)

1. The water-based magnetic inorganic interior wall coating is characterized in that: the paint is mainly prepared from the following components in parts by weight:
Figure FDA0002658462470000011
2. the aqueous magnetic inorganic interior wall coating material according to claim 1, wherein: the cellulose is nonionic hydroxyethyl cellulose ether.
3. The aqueous magnetic inorganic interior wall coating material according to claim 1, wherein: the inorganic thixotropic thickener is aluminum magnesium silicate inorganic gel.
4. The aqueous magnetic inorganic interior wall coating material according to claim 1, wherein: the dispersant is a sodium polycarboxylate dispersant.
5. The aqueous magnetic inorganic interior wall coating material according to claim 1, wherein: the wetting agent is an environment-friendly nonionic emulsifying wetting agent.
6. The aqueous magnetic inorganic interior wall coating material according to claim 1, wherein: the emulsion is acrylate copolymer emulsion with MFT of 0-10 ℃.
7. The aqueous magnetic inorganic interior wall coating material according to claim 1, wherein: the magnetic powder is ferroferric oxide fine powder with the purity of more than 99 percent.
8. The aqueous magnetic inorganic interior wall coating material according to claim 1, wherein: the silica sol is a nano-scale silicon dioxide aqueous solution.
9. The aqueous magnetic inorganic interior wall coating material according to claim 1, wherein: the bactericide is an isothiazolinone bactericide;
the defoaming agent is a nonionic defoaming agent or an organic silicon defoaming agent.
10. The method for preparing the aqueous magnetic inorganic interior wall coating material according to any one of claims 1 to 9, comprising the steps of:
firstly, adding water into a premixing dispersion tank, then sequentially adding 0.2-0.5 part of cellulose, 0.1-0.3 part of inorganic thixotropic thickener, 0.1-0.3 part of attapulgite and 0.05-0.2 part of PH regulator at the rotating speed of 300-;
and (II) increasing the rotating speed to 800r/min at 600-.
And thirdly, increasing the rotating speed to 800-.
CN202010896101.7A 2020-08-31 2020-08-31 Water-based magnetic inorganic interior wall coating Pending CN111875998A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112375409A (en) * 2020-11-04 2021-02-19 思贝克汀(厦门)新型建材有限公司 Zero-harmful-substance water-based inorganic coating and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106947329A (en) * 2017-02-27 2017-07-14 广州梵竹水性涂料有限公司 A kind of large arch dam inorganic compounding exterior coating and preparation method thereof
CN107090234A (en) * 2017-06-30 2017-08-25 成都磁动势科技有限公司 Magnetic coating
CN108276822A (en) * 2018-01-05 2018-07-13 东南大学 A kind of cement base enamel paint and its preparation method and application
CN109722070A (en) * 2018-12-29 2019-05-07 赵曦轮 A kind of aqueous inorganic interior wall coating of environmental protection flame retardant and preparation method thereof
CN110079144A (en) * 2019-05-23 2019-08-02 温州市享通塑磁科技有限公司 A kind of magnetic paint of environmental protection and its manufacturing approach craft

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106947329A (en) * 2017-02-27 2017-07-14 广州梵竹水性涂料有限公司 A kind of large arch dam inorganic compounding exterior coating and preparation method thereof
CN107090234A (en) * 2017-06-30 2017-08-25 成都磁动势科技有限公司 Magnetic coating
CN108276822A (en) * 2018-01-05 2018-07-13 东南大学 A kind of cement base enamel paint and its preparation method and application
CN109722070A (en) * 2018-12-29 2019-05-07 赵曦轮 A kind of aqueous inorganic interior wall coating of environmental protection flame retardant and preparation method thereof
CN110079144A (en) * 2019-05-23 2019-08-02 温州市享通塑磁科技有限公司 A kind of magnetic paint of environmental protection and its manufacturing approach craft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112375409A (en) * 2020-11-04 2021-02-19 思贝克汀(厦门)新型建材有限公司 Zero-harmful-substance water-based inorganic coating and preparation method thereof

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