CN114656816A - Novel water-based aerogel coating and preparation method thereof - Google Patents
Novel water-based aerogel coating and preparation method thereof Download PDFInfo
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- CN114656816A CN114656816A CN202210336344.4A CN202210336344A CN114656816A CN 114656816 A CN114656816 A CN 114656816A CN 202210336344 A CN202210336344 A CN 202210336344A CN 114656816 A CN114656816 A CN 114656816A
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- 239000004964 aerogel Substances 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000000576 coating method Methods 0.000 title claims abstract description 39
- 239000011248 coating agent Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 62
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000011230 binding agent Substances 0.000 claims abstract description 18
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 16
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- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
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- 229920002678 cellulose Polymers 0.000 claims abstract description 13
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims abstract description 4
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- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
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- 239000004814 polyurethane Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
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- 235000015110 jellies Nutrition 0.000 claims description 4
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- 239000004111 Potassium silicate Substances 0.000 claims description 3
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- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052912 lithium silicate Inorganic materials 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims 2
- 239000006261 foam material Substances 0.000 claims 1
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- 239000003960 organic solvent Substances 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000002431 foraging effect Effects 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000001785 acacia senegal l. willd gum Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- 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
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- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- 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
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- 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
- C09D7/63—Additives non-macromolecular organic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a novel water-based aerogel coating and a preparation method thereof, and relates to the technical field of water-based aerogel coating preparation, wherein the novel water-based aerogel coating comprises the following raw materials of 100-185 parts of aerogel powder, 200-230 parts of water, 161 parts of film-forming agent, 5 parts of dispersing agent, 8 parts of film-forming auxiliary agent, 1 part of defoaming agent, 5-7 parts of binder, 7-10 parts of thickening agent, 3-8 parts of cellulose and 8 parts of flame retardant, wherein the thickening agent comprises butyl stearate and methyl abietate. According to the invention, the power wheel is matched with the rolling wheel, the rolling wheel is driven by the power wheel to rotate, so that the rolling wheel drives the rolling disc and the rolling block to rotate, meanwhile, the limiting block and the resilience block are extruded by the spring, the rolling block rotates in the rolling groove, and large-particle raw materials falling into the rolling cylinder are crushed, so that the problems that the screen mesh is blocked and the subsequent raw material feeding is influenced due to the existence of large-particle aerogel powder or other raw materials in the screening process in the process of preparing the novel water-based aerogel coating are solved, and the effect of facilitating screening and preventing blocking is achieved.
Description
Technical Field
The invention relates to the technical field of preparation of water-based aerogel coatings, and particularly relates to a novel water-based aerogel coating and a preparation method thereof.
Background
Aerogel is a solid substance with the lowest density in the world, such as gelatin, arabic gum, silica gel, hair, nail, etc., and has the property of gel, namely has the functions of expansion, thixotropy and de-sizing, the density of the aerogel is 3 kilograms per cubic meter, because of the very low density, the lightest aerogels are only 0.16 milligrams per cubic centimeter, slightly less dense than air, also called "frozen smoke" or "blue smoke", because the particles inside are very small (on the order of nanometers), therefore, visible light is less scattered (Rayleigh scattering) when passing through the coating, and with the development of the times, a plurality of new problems still exist in the preparation of novel water-based aerogel coatings, a large amount of water washing and organic solvent replacement are required in the aerogel production process, and the characteristics of long production preparation period, high labor intensity, serious pollution and the like cause difficulty in large-scale application. The following problems exist in the prior art:
1. in the process of preparing the novel water-based aerogel coating, raw materials are required to be put into a reaction kettle for aging and screening, and large-particle aerogel powder or other raw materials can exist in the screening process, so that a screen mesh is blocked, and the subsequent putting of the raw materials is influenced;
2. need mix the replacement with aerogel powder and the organic solvent of input in the preparation process, conventional agitating unit can't carry out the intensive mixing with the material, can't ensure stirring mixing effect, leads to the preparation cycle extension, influences the yield.
Disclosure of Invention
The invention provides a novel water-based aerogel coating and a preparation method thereof, which aim to solve the problems in the background art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
in a first aspect, the invention provides a novel water-based aerogel coating, which comprises the following raw materials, 100-185 parts of aerogel powder, 200-230 parts of water, 161 parts of a film forming agent, 5 parts of a dispersing agent, 8 parts of a film forming aid, 1 part of a defoaming agent, 5-7 parts of a binder, 7-10 parts of a thickening agent, 3-8 parts of cellulose and 8 parts of a flame retardant, wherein the thickening agent comprises butyl stearate and methyl abietate.
The technical scheme of the invention is further improved as follows: the defoaming agent is selected from an organic silicon defoaming agent and polyether modified siloxane copolymer emulsion, the binder is selected from a mixture of more than two of polyvinyl alcohol, polyethylene glycol methacrylate, waterborne acrylic resin, waterborne epoxy resin, waterborne polyurethane, acrylic emulsion, epoxy resin emulsion, organic silicon emulsion and polyurethane, the film forming agent is selected from a mixture of more than two of potassium silicate, sodium silicate, lithium silicate, acrylic emulsion, polyurethane emulsion, silicone acrylic emulsion, acrylic emulsion and styrene acrylic emulsion, and the dispersing agent is selected from a mixture of more than two of sodium dodecyl sulfate, sodium hexametaphosphate and hexadecyl trimethyl ammonium chloride.
In a second aspect, the present invention also provides a method for preparing a novel aqueous aerogel coating, comprising the following steps:
the method comprises the following steps: adding raw materials and stirring;
step two: continuously adding the raw materials and stirring;
step three: turning on the ultrasonic wave and stirring.
The technical scheme of the invention is further improved as follows: the first step further comprises: adding water, a dispersing agent, a binder, a defoaming agent, a preservative, a flame retardant, cellulose and a film forming agent into a reaction kettle main body in sequence, stirring at the stirring speed of 3750 and 4800r/min until the mixture is uniform, wherein the binder is added according to 1 g/min.
Adopt above-mentioned technical scheme, add to reation kettle's inside in proper order in this scheme, prevent phenomenons such as internal layering, be convenient for improve the mixing efficiency of internal compound.
The technical scheme of the invention is further improved as follows: and the second step also comprises adding aerogel powder and a film-forming additive, and continuously stirring until the mixture is uniform, wherein the aerogel powder is stirred at a high speed and added at the speed of 6-10g/min, and the rotating speed is controlled at 2500-3000 r/min.
By adopting the technical scheme, the aerogel powder and the film-forming additive are added according to the ratio of 6-10g/min in the scheme, so that the phenomenon of powder floating of the coating is prevented, and the uniformity of the water-based aerogel coating is improved.
The technical scheme of the invention is further improved as follows: and step three, starting ultrasonic waves, modulating and stirring at a low speed to obtain a viscous aerogel composite jelly, continuously adding 7-10 parts of a thickening agent and 3 parts of cellulose, and stirring for 30 minutes to obtain the novel water-based aerogel coating.
By adopting the technical scheme, the ultrasonic wave in the scheme is convenient for improving the sufficient mixing of various organic compounds, and the yield of the water-based aerogel coating is improved.
The technical scheme of the invention is further improved as follows: the bottom fixed mounting of reation kettle main part has the support frame, the top of reation kettle main part is provided with the mount, the internal fixed surface of mount installs the motor, the one end of motor extends to the inside of reation kettle main part, the top face fixed mounting of reation kettle main part has the inlet pipe, the external fixed surface of reation kettle main part is connected with ultrasonic device, ultrasonic device's one end extends to the inside of reation kettle main part, the bottom surface fixed mounting of reation kettle main part has the discharge gate.
By adopting the technical scheme, the fixing frame in the scheme is convenient for stabilizing the motor, prevents the motor from generating amplitude during working, and improves the stability of equipment.
The technical scheme of the invention is further improved as follows: the inner wall fixedly connected with screen cloth of reation kettle main part, the outer fixed surface of motor is connected with the power wheel, the one end fixedly connected with spiral flabellum of power wheel output shaft, the inside movable mounting of screen cloth has the rolling wheel, rolling wheel and power wheel intermeshing, the top and the top swing joint of rolling wheel have a section of thick bamboo of rolling, the internal surface fixed connection of rolling wheel has the pressure dish of rolling, the surface of pressure dish is provided with the piece of rolling, the groove of rolling has been seted up to the internal surface of the section of thick bamboo of rolling.
Adopt above-mentioned technical scheme, the screen cloth in this scheme screens the raw materials powder of big granule to rolling wheel, coordinates the power wheel to roll, pulverizes it and gets more meticulous to coordinate spiral fan blade to go up the drive with bottom compound step by step, make intensive mixing between the compound.
The technical scheme of the invention is further improved as follows: the rotary groove has been seted up to the one end of rolling a section of thick bamboo, the inside movable mounting of rotary groove has rotatory ring, the one end of rotatory ring and the one end fixed connection of rolling wheel, the rebound groove has been seted up to the inside of rolling disc, the inside swing joint in rebound groove has the spring, one side fixedly connected with rebound piece of rolling the piece, the opposite side fixedly connected with stopper of rolling the piece, the one end of stopper extend to the inside in rebound groove and with the one end fixed connection of spring.
Adopt above-mentioned technical scheme, the swivelling chute in this scheme prevents that rolling wheel blocks when rotating dies, improves the stability of swiveling wheel through rotatory ring simultaneously to through the spring extrusion piece of rolling, will roll a section of thick bamboo inside large granule raw materials and pulverize, fully improve the mixing efficiency of compound.
The technical scheme of the invention is further improved as follows: the utility model discloses a spiral fan blade, including spiral fan blade, first guiding gutter, second guiding gutter, guide plate, cushion, the internal fixed surface of cushion and second guiding gutter has been seted up to spiral fan blade's surface, the inside swing joint of second guiding gutter has the guide plate, one side of guide plate is provided with the cushion, the surface of cushion and the internal fixed surface of second guiding gutter are connected, the external fixed surface of guide plate is connected with the water conservancy diversion bump, the one end of water conservancy diversion bump is seted up flutedly, the internal surface movable mounting of recess has the mountain-shaped stirring piece, first guiding gutter has been seted up at spiral fan blade's top, the inside movable mounting of first guiding gutter has the water conservancy diversion piece.
By adopting the technical scheme, the guide plate in the scheme is matched with the guide block to stir and reflux the mixed raw materials, so that the compound flows in the first pouring groove and the second pouring groove, and is prevented from being coagulated into blocks, and the organic matters are fully mixed.
The technical scheme of the invention is further improved as follows: the top fixedly connected with lug of water conservancy diversion piece, the carriage release lever has been seted up to one side of lug, the one end fixedly connected with water conservancy diversion hole of lug, the one end in water conservancy diversion hole extends to the internal surface of first guiding gutter.
Adopt above-mentioned technical scheme, the carriage release lever in this scheme is convenient for make the water conservancy diversion piece move in the inside of first guiding gutter, grinds the twist with fingers the raw materials, further prevents to produce and congeals the piece to make it circulate in the guiding hole, improve the stirring effect of spiral leaf flabellum.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a novel water-based aerogel coating and a preparation method thereof, wherein 100-185 parts of aerogel powder, 200-230 parts of water, 161 parts of a film forming agent, 5 parts of a dispersing agent, 8 parts of a film forming auxiliary agent, 1 part of a defoaming agent, 5-7 parts of a binder, 7-10 parts of a thickening agent, 3-8 parts of cellulose and 8 parts of a flame retardant are adopted, various raw materials are put into a reaction kettle body and are uniformly mixed, and the raw materials are stirred into a viscous aerogel composite jelly by an ultrasonic device, so that the novel water-based aerogel coating is further prevented from being layered and other phenomena.
2. The invention provides a novel water-based aerogel coating and a preparation method thereof, wherein a power wheel is matched with a rolling wheel, the power wheel drives the rolling wheel to rotate so as to drive a rolling disc and a rolling block to rotate, and meanwhile, a spring extrudes a limiting block and a rebound block so as to enable the rolling block to rotate in a rolling groove, so that a large-particle raw material falling into a rolling cylinder is crushed, the problem that the screen mesh is blocked and the subsequent raw material feeding is influenced due to the fact that the raw material needs to be fed into a reaction kettle for aging and screening in the process of preparing the novel water-based aerogel coating is solved, and the effect of facilitating screening and preventing blocking is achieved.
3. The invention provides a novel water-based aerogel coating and a preparation method, wherein a spiral fan blade is matched with a motor, the motor drives the spiral fan blade to rotate, the raw material at the bottom is rotated upwards step by step to prevent the raw material at the bottom from being solidified, the compound moves in a first guide groove, the solidified compound is crushed by the extrusion of a guide block, the compounds are fully adsorbed and mixed, meanwhile, a second guide groove is matched with a guide plate, the guide plate improves the stirring efficiency of the spiral fan blade, the compound flows in a second guide groove, the reflux efficiency among the compounds is improved, the compounds are fully mixed, the pores of the water-based aerogel coating are reduced, the problem that aerogel powder and a thrown organic solvent are required to be mixed and replaced in the preparation process, and the conventional stirring device cannot fully mix the materials is solved, the stirring and mixing effect cannot be guaranteed, the preparation period is prolonged, and the yield is influenced, so that the effects of improving the material mixing efficiency, reducing the preparation period and improving the yield are achieved.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic view of the main structure of the reaction vessel of the present invention;
FIG. 3 is a schematic sectional view of the main body of the reaction vessel of the present invention;
FIG. 4 is a schematic view of a grinding wheel of the present invention;
FIG. 5 is a schematic view of the construction of the milling drum of the present invention;
FIG. 6 is a schematic view of a spiral fan blade according to the present invention;
FIG. 7 is a schematic view of the rolling disc structure of the present invention;
fig. 8 is a schematic structural view of a flow guide block of the present invention;
fig. 9 is a schematic view of a structure of a guide bump according to the present invention.
In the figure: 1. a reaction kettle main body; 2. a support frame; 3. a fixed mount; 4. a motor; 5. a feed pipe; 6. an ultrasonic device; 7. a discharge port;
11. a screen mesh; 12. a rolling wheel;
41. a power wheel; 42. a helical fan blade; 43. a first diversion trench; 44. a flow guide block;
121. rolling the barrel; 122. rolling the disc; 123. grinding and briquetting; 124. rolling the groove; 125. a rotating tank; 126. a rotating ring;
421. a second guiding gutter; 422. a baffle; 423. cushion blocks; 424. a diversion salient point; 425. a groove; 426. a mountain-shaped stirring sheet;
441. a bump; 442. a travel bar; 443. a flow guide hole;
1221. a rebound groove; 1222. a spring;
1231. a rebound block; 1232. and a limiting block.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
In a first aspect, as shown in fig. 1 to 9, the present invention provides a novel aqueous aerogel coating, which comprises the following raw materials, 100 to 185 parts of aerogel powder, 200 to 230 parts of water, 161 parts of a film forming agent, 5 parts of a dispersing agent, 8 parts of a film forming aid, 1 part of a defoaming agent, 5 to 7 parts of a binder, 7 to 10 parts of a thickener, 3 to 8 parts of cellulose, and 8 parts of a flame retardant, wherein the thickener comprises butyl stearate and methyl abietate, the defoaming agent is selected from an organic silicon defoaming agent and a polyether modified siloxane copolymer emulsion, the binder is selected from polyvinyl alcohol, polyethylene glycol methacrylate, aqueous acrylic resin, aqueous epoxy resin, aqueous polyurethane, acrylic emulsion, epoxy resin emulsion, organic silicon emulsion, and a mixture of more than two of polyurethane, the film forming agent is selected from potassium silicate, sodium silicate, lithium silicate, acrylic emulsion, polyurethane emulsion, The dispersing agent is a mixture of more than two of sodium dodecyl sulfate, sodium hexametaphosphate and hexadecyl trimethyl ammonium chloride.
In the embodiment, by using 100-185 parts of aerogel powder, 200-230 parts of water, 161 parts of a film forming agent, 5 parts of a dispersing agent, 8 parts of a film forming additive, 1 part of a defoaming agent, 5-7 parts of a binder, 7-10 parts of a thickening agent, 3-8 parts of cellulose and 8 parts of a flame retardant, the binder, the dispersing agent and the film forming agent are respectively selected from a mixture of more than two materials to be mixed and put, so that the stability of the aerogel nanopore structure is improved, the porosity is reduced, and the phenomena of layering and the like are prevented.
Example 2
In a second aspect, as shown in fig. 1 to 9, the present invention further provides a method for preparing a novel aqueous aerogel coating, comprising the steps of:
the method comprises the following steps: adding raw materials and stirring;
step two: continuously adding raw materials and stirring;
step three: turning on the ultrasonic wave and stirring.
The first step further comprises the following steps: adding water, a dispersing agent, a binder, a defoaming agent, a preservative, a flame retardant, cellulose and a film-forming agent into the reaction kettle main body 1 in sequence, stirring at the stirring speed of 3750-4800r/min until the mixture is uniform, wherein the binder is added at the speed of 1g/min, adding aerogel powder and a film-forming assistant, continuously stirring until the mixture is uniform, adding the aerogel powder at the speed of 6-10g/min by adopting high-speed stirring, controlling the rotation speed at 2500-3000r/min, turning on ultrasonic waves, modulating low-speed stirring, continuously adding 7-10 parts of a thickening agent and 3 parts of cellulose into a sticky aerogel composite jelly after the mixture is formed, and stirring for 30 minutes to obtain the novel water-based aerogel coating.
In the embodiment, water, a dispersing agent, a binder, a defoaming agent, a preservative, a flame retardant, cellulose and a film forming agent are sequentially added into the reaction kettle main body 1, and the binder is added and stirred at the rate of 1g/min, so that the compounds are fully mixed, and the phenomenon that the added amount is overloaded, so that the compounds cannot be mixed and are coagulated into blocks is prevented.
Example 3
As shown in fig. 1 to 9, on the basis of embodiment 2, the present invention provides a technical solution: preferably, a support frame 2 is fixedly installed at the bottom of a reaction kettle main body 1, a fixed frame 3 is arranged at the top of the reaction kettle main body 1, a motor 4 is fixedly installed on the inner surface of the fixed frame 3, one end of the motor 4 extends into the reaction kettle main body 1, a feeding pipe 5 is fixedly installed on the top surface of the reaction kettle main body 1, an ultrasonic device 6 is fixedly connected to the outer surface of the reaction kettle main body 1, one end of the ultrasonic device 6 extends into the reaction kettle main body 1, a discharge port 7 is fixedly installed on the bottom surface of the reaction kettle main body 1, a screen 11 is fixedly connected to the inner wall of the reaction kettle main body 1, a power wheel 41 is fixedly connected to the outer surface of the motor 4, one end of an output shaft of the power wheel 41 is fixedly connected with a spiral fan blade 42, a rolling wheel 12 is movably installed inside the screen 11, the rolling wheel 12 is mutually engaged with the power wheel 41, a rolling cylinder 121 is movably connected to the top and the top of the rolling wheel 12, interior fixed surface of rolling wheel 12 is connected with rolls dish 122, the surface that rolls dish 122 is provided with rolls piece 123, roll a section of thick bamboo 121's internal surface and seted up and roll groove 124, roll a section of thick bamboo 121's one end and seted up swivelling chute 125, the inside movable mounting of swivelling chute 125 has rotatory ring 126, the one end of rotatory ring 126 and the one end fixed connection of rolling wheel 12, it has resilience groove 1221 to roll the inside of dish 122, the inside swing joint of resilience groove 1221 has spring 1222, one side fixedly connected with resilience piece 1231 that rolls piece 123, the opposite side fixedly connected with stopper 1232 that rolls piece 123, the one end of stopper 1232 extend to the inside of resilience groove 1221 and with the one end fixed connection of spring 1222.
In this embodiment, the internal diameter value of rotatory groove 125 and the external diameter value of rotatory ring 126 each other adapt, power wheel 41 drives rolling wheel 12 and rotates, filter the raw materials that screen cloth 11 descends, the raw materials of big granule filters to the inside of rolling a section of thick bamboo 121, drive through rolling wheel 12 and roll the piece 123 and rotate, grind the raw materials of big granule, spring 1222 extrusion stopper 1232 simultaneously, make resilience piece 1231 fully rotate in the inside of rolling groove 124, carry out more careful grinding to the raw materials, and prevent that screen cloth 11 from blockking up.
Example 4
As shown in fig. 1 to 9, on the basis of embodiment 2, the present invention provides a technical solution: preferably, the outer surface of the spiral fan blade 42 is provided with a second guiding groove 421, the inner portion of the second guiding groove 421 is movably connected with a guiding plate 422, one side of the guiding plate 422 is provided with a cushion 423, the outer surface of the cushion 423 is fixedly connected with the inner surface of the second guiding groove 421, the outer surface of the guiding plate 422 is fixedly connected with a guiding bump 424, one end of the guiding bump 424 is provided with a groove 425, the inner surface of the groove 425 is movably provided with a mountain-shaped stirring plate 426, the top of the spiral fan blade 42 is provided with a first guiding groove 43, the inner portion of the first guiding groove 43 is movably provided with a guiding block 44, the top of the guiding block 44 is fixedly connected with a bump 441, one side of the bump 441 is provided with a moving rod 442, one end of the bump 441 is fixedly connected with a guiding hole 443, and one end of the guiding hole 443 extends to the inner surface of the first guiding groove 43.
In this embodiment, baffle 422 and cushion 423 evenly distributed are in the inside of second guiding gutter 421, spiral fan blade 42 stirs the inside compound of reation kettle main part 1, upwards drive the compound of bottom step by step, fully make the raw and other materials that inlet pipe 5 descends mix, the compound flows in the inside of first guiding gutter 43, rotate through water conservancy diversion piece 44, pulverize the compound of agglomerating into the piece, improve the mixing efficiency between the compound, the compound flows in second guiding gutter 421 simultaneously, and accelerate the backward flow efficiency of compound through baffle 422 and mountain-shaped stirring piece 426, make fully mixed between the compound, reduce the hole of aqueous aerogel coating.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (10)
1. A novel water-based aerogel coating is characterized in that: the aerogel-containing foam material comprises the following raw materials, 100-185 parts of aerogel powder, 200-230 parts of water, 161 parts of a film forming agent, 5 parts of a dispersing agent, 8 parts of a film forming aid, 1 part of a defoaming agent, 5-7 parts of a binder, 7-10 parts of a thickening agent, 3-8 parts of cellulose and 8 parts of a flame retardant, wherein the thickening agent comprises butyl stearate and methyl abietate, the defoaming agent is selected from an organic silicon defoaming agent and polyether modified siloxane copolymer emulsion, the binder is selected from a mixture of more than two of polyvinyl alcohol, polyethylene glycol methacrylate, aqueous acrylic resin, aqueous epoxy resin, aqueous polyurethane, acrylic emulsion, epoxy resin emulsion, organic silicon emulsion and polyurethane, the film forming agent is selected from a mixture of more than two of potassium silicate, sodium silicate, lithium silicate, acrylic emulsion, polyurethane emulsion, silicone-acrylate emulsion, pure acrylic emulsion and styrene-acrylic emulsion, and the dispersing agent is selected from sodium dodecyl sulfate, sodium dodecyl sulfate and methyl acrylate, Sodium hexametaphosphate, and cetyltrimethylammonium chloride.
2. A preparation method of a novel water-based aerogel coating is characterized by comprising the following steps: the preparation method of the novel water-based aerogel coating comprises the following steps:
the method comprises the following steps: adding raw materials and stirring;
step two: continuously adding raw materials and stirring;
step three: start the ultrasonic wave and stir.
3. The method for preparing a novel aqueous aerogel coating according to claim 2, characterized in that: the first step further comprises the following steps: adding water, a dispersing agent, a binder, a defoaming agent, a preservative, a flame retardant, cellulose and a film forming agent into the reaction kettle main body (1) in sequence, stirring at the stirring speed of 3750 and 4800r/min until the mixture is uniform, wherein the binder is added according to 1 g/min.
4. The method for preparing a novel aqueous aerogel coating according to claim 2, characterized in that: and the second step also comprises adding aerogel powder and a film-forming additive, and continuously stirring until the mixture is uniform, wherein the aerogel powder is stirred at a high speed and added at the speed of 6-10g/min, and the rotating speed is controlled at 2500-3000 r/min.
5. The method for preparing a novel aqueous aerogel coating according to claim 2, characterized in that: and step three, starting ultrasonic waves, modulating low-speed stirring, continuing adding 7-10 parts of thickening agent and 3 parts of cellulose when forming viscous aerogel composite jelly, and stirring for 30 minutes to obtain the novel water-based aerogel coating.
6. The method for preparing a novel aqueous aerogel coating according to claim 3, wherein: the utility model discloses a reactor, including reation kettle main part (1), the bottom fixed mounting of reation kettle main part (1) has support frame (2), the top of reation kettle main part (1) is provided with mount (3), the internal fixed surface of mount (3) installs motor (4), the one end of motor (4) extends to the inside of reation kettle main part (1), the top face fixed mounting of reation kettle main part (1) has inlet pipe (5), the external fixed surface of reation kettle main part (1) is connected with ultrasonic device (6), the one end of ultrasonic device (6) extends to the inside of reation kettle main part (1), the bottom surface fixed mounting of reation kettle main part (1) has discharge gate (7).
7. The method for preparing a novel aqueous aerogel coating according to claim 6, wherein: inner wall fixedly connected with screen cloth (11) of reation kettle main part (1), the outer fixed surface of motor (4) is connected with power wheel (41), the one end fixedly connected with spiral fan blade (42) of power wheel (41) output shaft, the inside movable mounting of screen cloth (11) has rolling wheel (12), rolling wheel (12) and power wheel (41) intermeshing, the top and the top swing joint of rolling wheel (12) have a rolling section of thick bamboo (121), the internal surface fixed connection of rolling wheel (12) has rolling disc (122), the surface of rolling disc (122) is provided with rolling piece (123), rolling groove (124) have been seted up to the internal surface of rolling section of thick bamboo (121).
8. The method for preparing a novel aqueous aerogel coating according to claim 7, wherein: rotatory groove (125) have been seted up to the one end of rolling section of thick bamboo (121), the inside movable mounting of rotatory groove (125) has rotatory ring (126), the one end of rotatory ring (126) and the one end fixed connection of rolling wheel (12), rebound groove (1221) have been seted up to the inside of rolling disc (122), the inside swing joint in rebound groove (1221) has spring (1222), one side fixedly connected with rebound piece (1231) of rolling piece (123), the opposite side fixedly connected with stopper (1232) of rolling piece (123), the one end of stopper (1232) extend to the inside of rebound groove (1221) and with the one end fixed connection of spring (1222).
9. The method for preparing a novel aqueous aerogel coating according to claim 7, wherein: second guiding gutter (421) have been seted up to the surface of spiral fan blade (42), the inside swing joint of second guiding gutter (421) has guide plate (422), one side of guide plate (422) is provided with cushion (423), the surface of cushion (423) is connected with the internal surface fixed connection of second guiding gutter (421), the external surface fixed connection of guide plate (422) has water conservancy diversion bump (424), the one end of water conservancy diversion bump (424) is seted up flutedly (425), the internal surface movable mounting of recess (425) has mountain type stirring vane (426), first guiding gutter (43) have been seted up at the top of spiral fan blade (42), the inside movable mounting of first guiding gutter (43) has water conservancy diversion piece (44).
10. The method of claim 9, wherein the method comprises the following steps: the top of the flow guide block (44) is fixedly connected with a convex block (441), one side of the convex block (441) is provided with a movable rod (442), one end of the convex block (441) is fixedly connected with a flow guide hole (443), and one end of the flow guide hole (443) extends to the inner surface of the first flow guide groove (43).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116376368A (en) * | 2023-04-23 | 2023-07-04 | 刘闽瑶 | Micro-excitation low-carbon energy-saving coating and preparation method thereof |
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| CN215783120U (en) * | 2021-09-09 | 2022-02-11 | 浙江众达新材料有限公司 | A stirring mixing apparatus for production of waterborne environmental protection coating |
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| US3490306A (en) * | 1967-01-26 | 1970-01-20 | Lohmann & Stolterfoht Ag | Device for the actuation of a mangle wheel |
| CN113337169A (en) * | 2021-07-14 | 2021-09-03 | 阳煤集团纳谷(山西)气凝胶科创城管理有限责任公司研发中心 | Novel water-based aerogel coating and preparation method thereof |
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