CN114231104A - Electromagnetic shielding colored sandstone coating and preparation method and application thereof - Google Patents
Electromagnetic shielding colored sandstone coating and preparation method and application thereof Download PDFInfo
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- CN114231104A CN114231104A CN202111470774.7A CN202111470774A CN114231104A CN 114231104 A CN114231104 A CN 114231104A CN 202111470774 A CN202111470774 A CN 202111470774A CN 114231104 A CN114231104 A CN 114231104A
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- 238000000576 coating method Methods 0.000 title claims abstract description 52
- 239000011248 coating agent Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 239000003973 paint Substances 0.000 claims abstract description 73
- 239000006185 dispersion Substances 0.000 claims abstract description 50
- 239000002562 thickening agent Substances 0.000 claims abstract description 39
- 239000004575 stone Substances 0.000 claims abstract description 34
- 239000000839 emulsion Substances 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 239000004576 sand Substances 0.000 claims abstract description 22
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 15
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 10
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 10
- 239000002585 base Substances 0.000 claims description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 24
- 239000012153 distilled water Substances 0.000 claims description 22
- 230000000844 anti-bacterial effect Effects 0.000 claims description 19
- 239000003899 bactericide agent Substances 0.000 claims description 19
- 239000004814 polyurethane Substances 0.000 claims description 17
- 229920002635 polyurethane Polymers 0.000 claims description 17
- 239000003513 alkali Substances 0.000 claims description 14
- 230000008961 swelling Effects 0.000 claims description 13
- 239000006004 Quartz sand Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000005995 Aluminium silicate Substances 0.000 claims description 8
- 235000012211 aluminium silicate Nutrition 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 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 8
- 230000003449 preventive effect Effects 0.000 claims description 8
- 239000000080 wetting agent Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- 235000010215 titanium dioxide Nutrition 0.000 claims description 6
- IPGANOYOHAODGA-UHFFFAOYSA-N dilithium;dimagnesium;dioxido(oxo)silane Chemical compound [Li+].[Li+].[Mg+2].[Mg+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O IPGANOYOHAODGA-UHFFFAOYSA-N 0.000 claims description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 4
- 238000010298 pulverizing process Methods 0.000 abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 25
- 239000000243 solution Substances 0.000 description 16
- 238000005469 granulation Methods 0.000 description 15
- 230000003179 granulation Effects 0.000 description 15
- DAFHKNAQFPVRKR-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylpropanoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)C DAFHKNAQFPVRKR-UHFFFAOYSA-N 0.000 description 10
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 10
- 239000013530 defoamer Substances 0.000 description 10
- 150000002148 esters Chemical class 0.000 description 10
- 230000002528 anti-freeze Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 8
- 229920003086 cellulose ether Polymers 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 241001629511 Litchi Species 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000855 fungicidal effect Effects 0.000 description 5
- 239000000417 fungicide Substances 0.000 description 5
- 239000004579 marble Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000000693 micelle Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 125000001165 hydrophobic group Chemical group 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 235000021474 generally recognized As safe (food) Nutrition 0.000 description 2
- 235000021473 generally recognized as safe (food ingredients) Nutrition 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 acrylic ester Chemical class 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
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- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
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- 239000003792 electrolyte Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
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- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000012875 nonionic emulsifier Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses an electromagnetic shielding colored sandstone coating as well as a preparation method and application thereof. The electromagnetic shielding colored sand stone coating comprises the following raw materials: a base paint, a dispersion and a continuous phase; the base paint comprises the following raw materials: hydroxyethyl cellulose ether, silicone-acrylic emulsion, carbonyl iron powder, graphite powder and graphene powder; the dispersion comprises the following raw materials: protective glue; the continuous phase comprises the following raw materials: the pure acrylic emulsion and the thickening agent are compounded by the raw materials, so that the electromagnetic shielding colored sandstone coating has an excellent electromagnetic shielding function, is a new product of an exterior wall coating, and has excellent ageing resistance and pulverization resistance.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an electromagnetic shielding colored sandstone coating and a preparation method and application thereof.
Background
With the improvement of aesthetic abilities, people have an increasing demand for the beauty of the outer surface of a building having a stone texture. The natural stone has rich and strong texture and colorful colors; however, there is a considerable risk of hanging stone on the surface of a building with high towering, so that the stone-like coating is produced. The traditional stone-like paint mainly comprises a real stone paint and a thin-color sand-stone paint. Compared with the real stone paint, the thin colored sandstone paint has lower consumption when being constructed on the wall surface, and can present changeable colors;
the common thin colored sandstone coating on the market only has simple decoration effect and does not have the electromagnetic shielding function; however, in some special places such as hospitals, railways and other houses, due to the long-term need of facing the electromagnetic wave pollution of different frequencies, people need to coat a product with electromagnetic shielding function on the surface of decorative paint to achieve the protection effect. Namely, two-layer coating is required, which increases the workload, increases the cost, and may reduce the decorativeness of the decorative coating, and most importantly, the commonly used electromagnetic shielding coating has poor aging resistance and chalking resistance, and the service life is short even if two-time coating is performed.
In conclusion, the existing thin colored sandstone coating has no electromagnetic shielding function, and the anti-aging and pulverization capabilities are also improved.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art described above. Therefore, the invention provides an electromagnetic shielding colored sand stone coating, which adopts preparation raw materials comprising a base paint, a dispersion liquid and a continuous phase; through compounding of the raw materials, the electromagnetic shielding colored sand stone coating has an excellent electromagnetic shielding function, is a new product of an outer wall coating, and has excellent ageing resistance and pulverization resistance.
The invention also provides a preparation method of the electromagnetic shielding colored sand stone coating.
The invention also provides an application of the electromagnetic shielding colored sand stone coating in an exterior wall coating.
According to one aspect of the invention, the invention provides an electromagnetic shielding colored sand stone coating, which comprises the following raw materials: a base paint, a dispersion and a continuous phase;
the preparation raw materials of the base paint comprise: hydroxyethyl cellulose ether, silicone-acrylic emulsion, carbonyl iron powder, graphite powder and graphene powder;
the preparation raw materials of the dispersion comprise: protective glue;
the preparation raw materials of the continuous phase comprise: pure acrylic emulsion and thickening agent.
The electromagnetic shielding colored sand stone coating disclosed by the invention at least has the following beneficial effects:
1. the hydroxyethyl cellulose ether can form hydrogen bonds with hydroxyl on the protective glue, and simultaneously, the whole sand-containing base paint forms a networked structure due to the crosslinking association of the cellulose, so that the strength of the base paint is improved.
2. The graphene powder used in the invention is distributed in a sheet shape in the coating, the surface of the graphene powder adsorbs hydroxyl and hydrogen atoms, and particularly when the surface of the graphene powder adsorbs hydrogen atoms, the SP2 hybridized carbon atoms in the graphene can be changed into SP3 hybridized grapheme, so that the electromagnetic wave multiple reflection loss can be improved, and the electromagnetic shielding effect of the product can be improved.
3. The invention uses carbonyl iron powder to play a role in magnetic loss, and can effectively improve the electromagnetic shielding effect of the product.
In some embodiments of the present invention, the paint composition comprises, by weight, 55 to 70 parts of a base paint, 25 to 30 parts of a dispersion, and 10 to 15 parts of a continuous phase.
In some embodiments of the present invention, the component a comprises the following raw materials in parts by weight: 0.72-0.9 part of hydroxyethyl cellulose ether, 15-18 parts of silicone-acrylic emulsion, 8-12 parts of carbonyl iron powder, 13-18 parts of graphite powder and 8-12 parts of graphene powder.
In some preferred embodiments of the present invention, the silicone-acrylic emulsion is prepared from the following raw materials: a reactive emulsifier of vinyl type and a silicon monomer.
In some preferred embodiments of the present invention, the silicone-acrylic emulsion comprises showa 4765, badifu 2788, and wanhua 8027.
In some preferred embodiments of the present invention, the modified cellulose ether is a hydroxyethyl cellulose ether having associative properties.
In some preferred embodiments of the present invention, the hydroxyethyl cellulose ether having an association property includes EHM500, 481FQ and 351 FQ.
In some preferred embodiments of the present invention, the modified cellulose ether is a hydroxyethyl cellulose ether having associative properties.
In some preferred embodiments of the present invention, the carbonyl iron powder has a particle size of 0.5 to 5 μm.
In some preferred embodiments of the present invention, the shape of the carbonyl iron powder includes spherical iron powder, flake iron powder, and irregular iron powder.
In some preferred embodiments of the present invention, the fixed carbon content of the graphene powder is greater than 99.5%, and the sheet diameter of the graphene powder is 0.01 to 0.012 mm.
In some preferred embodiments of the present invention, the graphene powder includes at least one of single-layer graphene and multi-layer graphene.
In some embodiments of the invention, the protective paste comprises lithium magnesium silicate powder.
In some preferred embodiments of the present invention, the lithium magnesium silicate powder comprises Pico S482, Gray GRAS T, GRAS B, grid GS, grid GTS.
The protective glue is flaky modified lithium magnesium silicate powder and can protect powder in the base paint and quartz sand
In some preferred embodiments of the invention, the pure propyl milk comprises bardifen 3799 and 3799A wanhua 8087.
In the traditional emulsion synthesis, a reaction monomer is added in the synthesis process to enable emulsion particle molecules to have functionality, but the reaction monomer may not react on a single emulsion particle molecule due to the mode of adding after the reaction is completed, and then in the process of placing the emulsion, the reaction monomer which does not completely react continuously reacts to enable the whole emulsion to be crosslinked, so that the phenomenon of thickening is caused.
The pure acrylic emulsion is anionic emulsion, and a nonionic emulsifier and a reactive emulsifier are used in the synthesis process.
The reactive emulsifier can form a net structure through the reaction of carbonyl condensation in the synthesis process, and the emulsion particles are wrapped in the net structure, so that the problem of post-thickening caused by the slow-release electrolyte of the system can be effectively shielded.
In some embodiments of the invention, the thickeners include associative alkali swelling thickeners and polyurethane thickeners.
In some embodiments of the invention, the thickener comprises, in parts by weight: 0.4-0.5 part of associative alkali swelling thickener and 0.1-0.2 part of polyurethane thickener.
The associative alkali swelling thickener is a thickener capable of effectively improving low shear viscosity; the polyurethane thickener is a polyurethane nonionic associative thickener with high shear viscosity improvement.
The associative alkali swelling thickener is anionic acrylate copolymer emulsion with carboxylic acid group in the molecular chain;
when a neutralizing agent with an alkaline structure (commonly used ammonia water or ethylene glycol amine) is added, a large number of carboxyl groups on a polymer chain are neutralized by alkali to form salt along with the increase of the neutralization degree, electrostatic repulsion and hydration are generated in molecules, a macromolecular structure is gradually stretched from a curled state, a large number of water molecules around the macromolecular structure are adsorbed, and the free water reduces the viscosity and increases. Meanwhile, in the main structure taking acrylic ester as a main chain, because the introduction of a reactive association monomer with surface activity participates in copolymerization, a long chain with a surface active structure is grafted on a side chain, and the long chain structure simultaneously has a hydrophobic group and a hydrophilic group, so that the surface activity is also realized. They can form a large micelle structure in water and perform mutual adsorption association in molecules or among molecules. In addition, hydrophilic chains in the main chain and the side chain can be adsorbed with water molecules through hydrogen bond interaction, and hydrophobic groups are also adsorbed with latex particles, lipophilic groups of various assistants and the like in addition to mutual adsorption, so that a large-range three-dimensional network structure is formed. The improvement of the low shear viscosity can be beneficial to the storage of products and avoid the phenomena of water diversion and the like.
Hydrophilic groups and hydrophobic groups are introduced into the molecular structure of the polyurethane thickener, so that the polyurethane thickener presents certain properties of a surfactant. When the concentration of the aqueous solution exceeds a certain specific concentration, micelles are formed, and the micelles and polymer particles are associated to form a network structure, so that the viscosity of the system is increased. On the other hand, one molecule has a plurality of micelles, so that the mobility of water molecules is reduced, and the viscosity of the water phase is also improved. The polyurethane thickener is used in construction of thin color sandstone paint.
In some embodiments of the invention, the base paint further comprises component D;
the component D comprises the following raw materials in parts by weight: 30-35 parts of distilled water, 0.1-0.3 part of pH regulator, 0.3-0.5 part of dispersant, 0.06-0.12 part of wetting agent, 2-3 parts of bactericide, 0.24-0.5 part of defoaming agent, 1.2-1.8 parts of antifreezing agent, 0.5-1 part of film-forming assistant, 0.6-2.4 parts of titanium white, 1.6-3.6 parts of calcined kaolin, 0.54-0.78 part of protective glue and 12-27 parts of quartz sand.
In some embodiments of the invention, the base paint comprises, in parts by weight: 0.72-0.9 part of hydroxyethyl cellulose ether, 15-18 parts of silicone-acrylic emulsion, 8-12 parts of carbonyl iron powder, 13-18 parts of graphite powder, 8-12 parts of graphene powder, 30-35 parts of distilled water, 0.1-0.3 part of pH regulator, 0.3-0.5 part of dispersing agent, 0.06-0.12 part of wetting agent, 2-3 parts of bactericide, 0.24-0.5 part of defoaming agent, 1.2-1.8 parts of antifreezing agent, 0.5-1 part of film forming aid, 0.6-2.4 parts of titanium white, 1.6-3.6 parts of calcined kaolin, 0.54-0.78 part of protective colloid and 12-27 parts of quartz sand.
In some embodiments of the invention, the dispersion further comprises component E;
the component E comprises the following raw materials in parts by weight: 95-97 parts of distilled water, 3-5 parts of protective adhesive, 0.2-0.4 part of bactericide and 0.2-0.4 part of mildew preventive.
In some embodiments of the invention, the dispersion comprises, in parts by weight: 95-97 parts of distilled water, 3-5 parts of protective glue, 0.2-0.4 part of bactericide and 0.2-0.4 part of mildew preventive.
In some embodiments of the invention, the continuous phase further comprises component F;
the component F comprises the following raw materials in parts by weight: 23-25 parts of distilled water, 0.1-0.3 part of pH regulator, 3-5 parts of bactericide, 0.15-0.25 part of mildew inhibitor, 1-2 parts of antifreezing agent, 3-4 parts of film-forming assistant and 0.24-0.5 part of defoaming agent.
In some embodiments of the present invention, the continuous phase comprises, in parts by weight: 23-25 parts of distilled water, 0.1-0.3 part of pH regulator, 60-75 parts of pure acrylic emulsion, 3-5 parts of bactericide, 0.15-0.25 part of mildew inhibitor, 1-2 parts of antifreezing agent, 3-4 parts of film-forming assistant, 0.24-0.5 part of defoaming agent, 0.4-0.5 part of associative alkali swelling thickener and 0.1-0.2 part of polyurethane thickener.
The associative alkali swelling thickener is a thickener capable of effectively improving low shear viscosity; the polyurethane thickener is a polyurethane nonionic associative thickener with high shear viscosity improvement.
The second aspect of the invention provides a method for preparing electromagnetic shielding colored sandstone coating, which comprises the following steps:
s1, granulating the base paint in the dispersion liquid;
s2, adding the continuous phase into the mixed phase granulated in the step S1 to obtain the electromagnetic shielding colored sand stone coating.
In some preferred embodiments of the present invention, the method for preparing the electromagnetic shielding colored sand-gravel coating comprises the following steps:
s1, toning the base paint;
s2, granulating the base paint subjected to color matching in the step S1 in the dispersion liquid;
s3, adding the continuous phase into the mixed phase granulated in the step S2 to obtain the electromagnetic shielding colored sand stone coating.
The third aspect of the invention provides an application of the electromagnetic shielding colored sand stone coating in exterior wall coating.
Compared with the traditional real stone paint, the application of the electromagnetic shielding colored sand stone paint in the exterior wall paint only needs to use a colorful spray gun for spraying, the construction is convenient, and the consumption is as low as 1kg/m2The artificial weather aging resistance can reach 1000h, and the coating has the functional characteristic of electromagnetic shielding, so that the application range of the coating can be greatly expanded.
Detailed Description
The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
Examples
Example 1
The embodiment prepares the base paint, the dispersion solution and the continuous phase of the electromagnetic shielding colored sand-gravel coating, and the specific method comprises the following steps: 1.1 preparation of electromagnetic shielding thin colored sandstone base paint
According to parts by weight, 33.75 parts of distilled water, 0.7 part of Shilan modified cellulose ether 250HBR, 0.3 part of dispersant Dow 731A, 0.2 part of wetting agent Kelain LCN070, 2 parts of Solomon fungicide EG-CLF, 0.1 part of pH regulator Dow Amp 95, 0.35 part of Norplicaceae SN345 defoamer, 1.2 parts of ethylene glycol, 0.8 part of film forming aid TEXANOL decaglycol ester, 2 parts of titanium boa white 996, 2 parts of calcined kaolin DG-80, 15 parts of silicone-acrylic emulsion Badfu 2788, 0.6 part of BYK protective adhesive RD, 12 parts of 80-120-mesh Hebei gold source quartz sand, 8 parts of Sedi carbonyl iron powder, 13 parts of gold sea stone powder and 8 parts of Xifeng nano graphene dispersion liquid are mixed to obtain the thin color electromagnetic shielding sandstone base ink powder.
1.2 preparation of the Dispersion solution
According to parts by weight, 96.3 parts of distilled water, 3 parts of BYK protective glue RD, 0.2 part of Haimaiche RHEOLATE 299, 0.2 part of bactericide Sol EG-CLF and 0.3 part of Sol 342 mildew preventive are uniformly dispersed at the rotating speed of 850rpm/min to prepare a dispersion solution.
1.3 preparation of the continuous phase
According to parts by weight, 24.4 parts of distilled water, 0.1 part of a pH regulator Tao Amp 95, 65 parts of pure acrylic emulsion Badfu 3799, 4 parts of a bactericide Solen EG-CLF, 2 parts of an antifreeze glycol, 3.5 parts of a film-forming additive TEXANOL decaglycol ester, 0.4 part of a defoamer Nopock SN345, 0.5 part of an associated alkali swelling thickener Tao TT935 and 0.1 part of a polyurethane thickener Tao RM 8W are uniformly dispersed at the rotating speed of 850rpm/min to obtain a continuous phase.
1.4 color-mixing granulation of base paint
According to the parts by weight, carrying out color matching on the electromagnetic shielding thin colored sandstone base paint according to the color of the selected colored points on the marble with the litchi surface to obtain the color-matched electromagnetic shielding thin colored sandstone base paint;
and granulating in a granulator according to the proportion of 55 parts of the electromagnetic shielding thin colored sandstone base paint after the color matching and 30 parts of the dispersion liquid after the color matching is finished to obtain the dispersion liquid after the color matching and granulation are finished.
1.5 preparation of electromagnetic shielding colored sandstone coating
And adding 15 parts of the continuous phase into the dispersion liquid after the toning and granulation are finished, and uniformly dispersing at the rotating speed of 300rpm/min to prepare the electromagnetic shielding thin colored sand-stone paint.
Example 2
This example prepared a base paint, dispersion solution and continuous phase for an electromagnetic shielding colored sand coating.
2.1 preparation of electromagnetic shielding thin color sandstone base paint
According to parts by weight, 33.75 parts of distilled water, 0.7 part of Shilan modified cellulose ether 250HBR, 0.3 part of dispersant Dow 731A, 0.2 part of wetting agent Kelain LCN070, 2 parts of Solomon fungicide EG-CLF, 0.1 part of pH regulator Dow Amp 95, 0.35 part of Norplicaceae SN345 defoamer, 1.2 parts of ethylene glycol, 0.8 part of film forming aid TEXANOL decaglycol ester, 2 parts of titanium boa white 996, 2 parts of calcined kaolin DG-80, 15 parts of silicone-acrylic emulsion Badfu 2788, 0.6 part of BYK protective adhesive RD, 12 parts of 80-120-mesh Hebei gold source quartz sand, 8 parts of Sedi carbonyl iron powder, 14 parts of gold hai stone powder and 8 parts of Xifeng nano graphene dispersion liquid are mixed to obtain the thin color electromagnetic shielding sandstone base ink powder.
2.2 preparation of the Dispersion solution
According to the weight portion, 96.3 portions of distilled water, 3 portions of BYK protective glue RD, 0.2 portion of anti-deposition starch of the Haimaiche Homeola 299, 0.2 portion of bactericide Solel EG-CLF and 0.3 portion of Solel 342 mildew preventive are uniformly dispersed at the rotating speed of 850rpm/min to prepare the dispersion solution.
2.3 preparation of the continuous phase
According to parts by weight, 24.4 parts of distilled water, 0.1 part of a pH regulator Tao Amp 95, 65 parts of pure acrylic emulsion Badfu 3799, 4 parts of a bactericide Solen EG-CLF, 2 parts of an antifreeze glycol, 3.5 parts of a film-forming additive TEXANOL decaglycol ester, 0.4 part of a defoamer Nopock SN345, 0.5 part of an associated alkali swelling thickener Tao TT935 and 0.1 part of a polyurethane thickener Tao RM 8W are uniformly dispersed at the rotating speed of 850rpm/min to obtain a continuous phase.
2.4 color-mixing granulation of base paint
According to the parts by weight, carrying out color matching on the electromagnetic shielding thin colored sandstone base paint according to the color of the selected colored points on the marble with the litchi surface to obtain the color-matched electromagnetic shielding thin colored sandstone base paint;
and granulating in a granulator according to the proportion of 55 parts of the electromagnetic shielding thin colored sandstone base paint after the color matching and 30 parts of the dispersion liquid after the color matching is finished to obtain the dispersion liquid after the color matching and granulation are finished.
2.5 preparation of electromagnetic shielding colored sandstone coating
And adding 15 parts of the continuous phase into the dispersion liquid after the toning and granulation are finished, and uniformly dispersing at the rotating speed of 300rpm/min to prepare the electromagnetic shielding thin colored sand-stone paint.
Example 3
This example prepared a base paint, dispersion solution and continuous phase for an electromagnetic shielding colored sand coating.
3.1 preparation of electromagnetic shielding thin colored sandstone base paint
According to parts by weight, 32.75 parts of distilled water, 0.7 part of Shilan modified cellulose ether 250HBR, 0.3 part of dispersant Dow 731A, 0.2 part of wetting agent Kelain LCN070, 2 parts of Solomon fungicide EG-CLF, 0.1 part of pH regulator Dow Amp 95, 0.35 part of Nopock SN345 defoamer, 1.2 parts of antifreeze glycol, 0.8 part of film forming aid TEXANOL decaglycol ester, 2 parts of python titanium white 996, 2 parts of calcined kaolin DG-80, 15 parts of silicone-acrylic emulsion Badfu 2788, 0.6 part of BYK protective adhesive RD, 12 parts of 80-120-mesh Hebei Kibei jin source quartz sand, 9 parts of Sedi carbonyl iron powder, 13 parts of Kinghai stone powder and 8 parts of pre nano graphene dispersion liquid are mixed to obtain the electromagnetic shielding thin color sandstone base paint.
3.2 preparation of the Dispersion solution
According to parts by weight, 96.3 parts of distilled water, 3 parts of BYK protective glue RD, 0.2 part of Haimaiche RHEOLATE 299, 0.2 part of bactericide Sol EG-CLF and 0.3 part of Sol 342 mildew preventive are uniformly dispersed at the rotating speed of 850rpm/min to prepare a dispersion solution.
3.3 preparation of the continuous phase
According to parts by weight, 24.4 parts of distilled water, 0.1 part of a pH regulator Tao Amp 95, 65 parts of pure acrylic emulsion Badfu 3799, 4 parts of a bactericide Solen EG-CLF, 2 parts of an antifreeze glycol, 3.5 parts of a film-forming additive TEXANOL decaglycol ester, 0.4 part of a defoamer Nopock SN345, 0.5 part of an associated alkali swelling thickener Tao TT935 and 0.1 part of a polyurethane thickener Tao RM 8W are uniformly dispersed at the rotating speed of 850rpm/min to obtain a continuous phase.
3.4 color-mixing granulation of base paint
According to the parts by weight, carrying out color matching on the electromagnetic shielding thin colored sandstone base paint according to the color of the selected colored points on the marble with the litchi surface to obtain the color-matched electromagnetic shielding thin colored sandstone base paint;
and granulating in a granulator according to the proportion of 55 parts of the electromagnetic shielding thin colored sandstone base paint after the color matching and 30 parts of the dispersion liquid after the color matching is finished to obtain the dispersion liquid after the color matching and granulation are finished.
3.5 preparation of electromagnetic shielding colored sandstone coating
And adding 15 parts of the continuous phase into the dispersion liquid after the toning and granulation are finished, and uniformly dispersing at the rotating speed of 300rpm/min to prepare the electromagnetic shielding thin colored sand-stone paint.
Example 4
This example prepared a base paint, dispersion solution and continuous phase for an electromagnetic shielding colored sand coating.
4.1 preparation of electromagnetic shielding thin colored sandstone base paint
According to parts by weight, 32.75 parts of distilled water, 0.7 part of Shilan modified cellulose ether 250HBR, 0.3 part of dispersant Dow 731A, 0.2 part of wetting agent Kelain LCN070, 2 parts of Solomon fungicide EG-CLF, 0.1 part of pH regulator Dow Amp 95, 0.35 part of Nopock SN345 defoamer, 1.2 parts of antifreeze glycol, 0.8 part of film forming aid TEXANOL decaglycol ester, 2 parts of python titanium white 996, 2 parts of calcined kaolin DG-80, 15 parts of silicone-acrylic emulsion Badfu 2788, 0.6 part of BYK protective adhesive RD, 12 parts of 80-120-mesh Hebei Kibei Kiyu quartz sand, 8 parts of Sedi carbonyl iron powder, 13 parts of Kinghai stone powder and 9 parts of toner nano graphene dispersion liquid are mixed to obtain the electromagnetic shielding thin-color sandstone base paint.
4.2 preparation of the Dispersion solution
According to parts by weight, 96.3 parts of distilled water, 3 parts of BYK protective glue RD, 0.2 part of Haimaiche RHEOLATE 299, 0.2 part of bactericide Sol EG-CLF and 0.3 part of Sol 342 mildew preventive are uniformly dispersed at the rotating speed of 850rpm/min to prepare a dispersion solution.
4.3 preparation of the continuous phase
According to parts by weight, 24.4 parts of distilled water, 0.1 part of a pH regulator Tao Amp 95, 65 parts of pure acrylic emulsion Badfu 3799, 4 parts of a bactericide Solen EG-CLF, 2 parts of an antifreeze glycol, 3.5 parts of a film-forming additive TEXANOL decaglycol ester, 0.4 part of a defoamer Nopock SN345, 0.5 part of an associated alkali swelling thickener Tao TT935 and 0.1 part of a polyurethane thickener Tao RM 8W are uniformly dispersed at the rotating speed of 850rpm/min to obtain a continuous phase.
4.4 color-mixing granulation of base paint
According to the parts by weight, carrying out color matching on the electromagnetic shielding thin colored sandstone base paint according to the color of the selected colored points on the marble with the litchi surface to obtain the color-matched electromagnetic shielding thin colored sandstone base paint;
and granulating in a granulator according to the proportion of 55 parts of the electromagnetic shielding thin colored sandstone base paint after the color matching and 30 parts of the dispersion liquid after the color matching is finished to obtain the dispersion liquid after the color matching and granulation are finished.
4.5 preparation of electromagnetic shielding colored sandstone coating
And adding 15 parts of the continuous phase into the dispersion liquid after the toning and granulation are finished, and uniformly dispersing at the rotating speed of 300rpm/min to prepare the electromagnetic shielding thin colored sand-stone paint.
Example 5
This example prepared a base paint, dispersion solution and continuous phase for an electromagnetic shielding colored sand coating.
5.1 preparation of electromagnetic shielding thin colored sandstone base paint
According to parts by weight, 32.75 parts of distilled water, 0.7 part of Shilan modified cellulose ether 250HBR, 0.3 part of dispersant Dow 731A, 0.2 part of wetting agent Kelain LCN070, 2 parts of Solomon fungicide EG-CLF, 0.1 part of pH regulator Dow Amp 95, 0.35 part of Nopock SN345 defoamer, 1.2 parts of antifreeze glycol, 0.8 part of film forming aid TEXANOL decaglycol ester, 2 parts of python titanium white 996, 2 parts of calcined kaolin DG-80, 15 parts of silicone-acrylic emulsion Badfu 2788, 0.6 part of BYK protective adhesive RD, 12 parts of 80-120-mesh Hebei Kibei Kiyu quartz sand, 8 parts of Sedi carbonyl iron powder, 13 parts of Kinghai stone powder and 8 parts of pre nano graphene dispersion liquid are mixed to obtain the electromagnetic shielding thin color sandstone base paint.
5.2 preparation of the Dispersion solution
According to parts by weight, 96.3 parts of distilled water, 3 parts of BYK protective glue RD, 0.2 part of Haimaiche RHEOLATE 299, 0.2 part of bactericide Sol EG-CLF and 0.3 part of Sol 342 mildew preventive are uniformly dispersed at the rotating speed of 850rpm/min to prepare a dispersion solution.
5.3 preparation of the continuous phase
According to parts by weight, 24.4 parts of distilled water, 0.1 part of a pH regulator Tao Amp 95, 65 parts of pure acrylic emulsion Badfu 3799, 4 parts of a bactericide Solen EG-CLF, 2 parts of an antifreeze glycol, 3.5 parts of a film-forming additive TEXANOL decaglycol ester, 0.4 part of a defoamer Nopock SN345, 0.5 part of an associated alkali swelling thickener Tao TT935 and 0.1 part of a polyurethane thickener Tao RM 8W are uniformly dispersed at the rotating speed of 850rpm/min to obtain a continuous phase.
5.4 color-mixing granulation of base paint
According to the parts by weight, carrying out color matching on the electromagnetic shielding thin colored sandstone base paint according to the color of the selected colored points on the marble with the litchi surface to obtain the color-matched electromagnetic shielding thin colored sandstone base paint;
and granulating in a granulator according to the proportion of 55 parts of the electromagnetic shielding thin colored sandstone base paint after the color matching and 30 parts of the dispersion liquid after the color matching is finished to obtain the dispersion liquid after the color matching and granulation are finished.
5.5 preparation of electromagnetic shielding colored sandstone coating
And adding 15 parts of the continuous phase into the dispersion liquid after the toning and granulation are finished, and uniformly dispersing at the rotating speed of 300rpm/min to prepare the electromagnetic shielding thin colored sand-stone paint.
The base paints for the electro-magnetic shielding thin colored sand and stone of examples 1 to 5, the proportions of the respective components in the dispersion solution and the continuous phase are shown in Table 1.
TABLE 1 proportioning of each component of the electromagnetic shielding colored sand stone coating in examples 1-5
Test examples
Five electromagnetic shielding colored sand paints prepared according to the components prepared in the embodiments 1 to 5 are tested according to the testing methods of the early cracking of HG/T4343-2012 and JG/T24-2018, and the specific testing results are shown in Table 2:
TABLE 2 electromagnetic shielding color sand stone paint performance test
As can be seen from examples 1 to 5, the oil absorption of each powder is different, and different types and amounts of powder change the PVC of the whole product during the assembly, so that the performance of the powder is different.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (10)
1. An electromagnetic shielding color sand stone coating is characterized in that: the method comprises the following raw materials: a base paint, a dispersion and a continuous phase;
the preparation raw materials of the base paint comprise: hydroxyethyl cellulose ether, silicone-acrylic emulsion, carbonyl iron powder, graphite powder and graphene powder;
the preparation raw materials of the dispersion comprise: protective glue;
the preparation raw materials of the continuous phase comprise: pure acrylic emulsion and thickening agent.
2. The electromagnetic shielding colored sand-gravel coating of claim 1, wherein: the base paint comprises the following raw materials in parts by weight: 0.72-0.9 part of hydroxyethyl cellulose ether, 15-18 parts of silicone-acrylic emulsion, 8-12 parts of carbonyl iron powder, 13-18 parts of graphite powder and 8-12 parts of graphene powder.
3. The electromagnetic shielding colored sand-gravel coating of claim 1, wherein: the raw materials for preparing the silicone-acrylate emulsion comprise: a reactive emulsifier of vinyl type and a silicon monomer.
4. The electro-magnetic shielding colored sand-gravel paint of claim 1, wherein the protective glue comprises lithium magnesium silicate powder.
5. The electro-magnetic shielding color sand-stone paint as claimed in claim 1, wherein the thickener comprises an associated alkali swelling thickener and a polyurethane thickener;
preferably, the thickener comprises the following components in parts by weight: 0.4-0.5 part of associative alkali swelling thickener and 0.1-0.2 part of polyurethane thickener.
6. The electromagnetic shielding colored sandstone coating according to claim 1, wherein the base paint is prepared from the following raw materials in parts by weight: 30-35 parts of distilled water, 0.1-0.3 part of pH regulator, 0.3-0.5 part of dispersant, 0.06-0.12 part of wetting agent, 2-3 parts of bactericide, 0.24-0.5 part of defoaming agent, 1.2-1.8 parts of antifreezing agent, 0.5-1 part of film-forming assistant, 0.6-2.4 parts of titanium white, 1.6-3.6 parts of calcined kaolin, 0.54-0.78 part of protective glue and 12-27 parts of quartz sand.
7. The electromagnetic shielding colored sandstone coating according to claim 1, wherein the dispersion is prepared from the following raw materials in parts by weight: 95-97 parts of water, 3-5 parts of protective glue, 0.2-0.4 part of bactericide and 0.2-0.4 part of mildew preventive.
8. The electromagnetic shielding colored sandstone coating according to claim 1, wherein the raw materials for preparing the continuous phase further comprise, by weight: 23-25 parts of water, 0.1-0.3 part of pH regulator, 3-5 parts of bactericide, 0.15-0.25 part of mildew inhibitor, 1-2 parts of antifreezing agent, 3-4 parts of film-forming assistant and 0.24-0.5 part of defoaming agent.
9. A method for preparing the electromagnetic shielding colored sand-gravel coating as claimed in any one of claims 1 to 8, which comprises the following steps:
s1, granulating the base paint in the dispersion liquid;
s2, adding the continuous phase into the mixed phase granulated in the step S1 to obtain the electromagnetic shielding colored sand stone coating.
10. Use of the electro-magnetic shielding colored sand-gravel coating according to any one of claims 1 to 8 in exterior walls.
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Cited By (1)
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| CN116285514A (en) * | 2023-03-22 | 2023-06-23 | 广东美洲宝实业有限公司 | Waterproof anti-fouling stone-like paint and preparation method thereof |
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