CN111809781B - Flame-retardant sound-insulation composite curtain wall - Google Patents

Flame-retardant sound-insulation composite curtain wall Download PDF

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CN111809781B
CN111809781B CN202010692345.3A CN202010692345A CN111809781B CN 111809781 B CN111809781 B CN 111809781B CN 202010692345 A CN202010692345 A CN 202010692345A CN 111809781 B CN111809781 B CN 111809781B
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parts
layer
flame
retardant
pet
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CN111809781A (en
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朱燕明
马晓明
张凌根
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Jiangsu Hengshang Energy Conservation Technology Co Ltd
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Jiangsu Hengshang Energy Conservation Technology Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88—Curtain walls
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
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    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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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
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
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    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
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    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
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    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
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    • C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
    • C23C4/11—Oxides
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant

Abstract

The invention discloses a flame-retardant sound-insulation composite curtain wall, and relates to the field of composite wood. The composite curtain wall comprises an aluminum plate outer frame, a PET/PVC flame-retardant composite layer, a titanium powder layer and a ceramic layer, wherein the upper end and the side surface of the PET/PVC flame-retardant composite layer are bonded with the inner surface of the aluminum plate outer frame through an organic adhesive, the lower end of the PET/PVC flame-retardant composite layer is sprayed with the titanium powder layer, the ceramic layer is thermally sprayed on the titanium powder layer, the polyurethane primer is uniformly sprayed on the upper end of the aluminum plate outer frame, and the benzophenone fluorocarbon coating is further sprayed on the polyurethane primer. The flame-retardant sound-insulation composite curtain wall disclosed by the invention is simple in structure and has excellent flame-retardant and sound-insulation properties, and the outer frame of the aluminum plate is coated with the benzophenone fluorocarbon coating, so that the composite curtain wall has good weather resistance and strong ultraviolet resistance, the service life of the composite curtain wall is prolonged, and the cost is saved.

Description

Flame-retardant sound-insulation composite curtain wall
Technical Field
The invention belongs to the technical field of composite boards, and particularly relates to a flame-retardant sound-insulation composite curtain wall.
Background
The curtain wall is an outer wall enclosure of a building, is an outer wall construction method for replacing traditional masonry or window-wall combination by various strong, light and beautiful building materials, and is an outer wall construction method for surrounding the periphery of a main structure to enable the whole building to be attractive, and have sound and safe use functions. The curtain wall is not bearing load and is hung like a curtain, so the curtain wall is also called as a curtain wall and is a light wall with decorative effect commonly used in modern large and high-rise buildings. At present, the traditional curtain walls at home and abroad mainly comprise stone curtain walls, glass curtain walls and metal curtain walls. However, the three curtain walls have great hidden danger and disadvantages due to the limitation of the material performance of the curtain walls: the stone curtain wall has heavy weight, large energy consumption and poor fire resistance; the glass curtain wall has large energy consumption, serious light pollution and poor fire prevention; the metal curtain wall has large energy consumption and poor sound insulation and is difficult to produce on a large scale. Particularly, the three curtain wall boards have poor fireproof and heat-resistant performances, and once a fire disaster occurs, the result is not reasonable.
Today, the curtain wall is adopted by more and more architects and owners in the rapid development of the building industry in China, the composite aluminum plate curtain wall is one of a plurality of curtain walls, the composite aluminum plate curtain wall is domestically appeared and applied only in recent years, the appearance of the composite curtain wall enriches the artistic expressive force of the curtain wall, and the performance of the curtain wall is perfected. The light-weight decorative board has the advantages of light weight, convenience in processing and installation, rich colors, strong decorative expressive force, convenience in cleaning and maintenance and the like, and is widely applied to buildings. The traditional composite aluminum plate is generally three-layer in structure, aluminum layers are arranged on two outer sides, a sandwich material in the middle mainly adopts high polymer materials such as medium-low pressure polyethylene and the like, the high polymer materials are bonded by resin glue, and a fluorocarbon resin coating with better weather resistance is coated on the outer surface of the aluminum layer. However, the existing sandwich material has poor performances such as fire resistance, weather resistance, durability, ageing resistance and the like, and has poor sound insulation effect; although the existing fluorocarbon resin coating has the characteristics of good weather resistance, chemical resistance and corrosion resistance, good stain resistance, hydrophobicity, oleophobicity and the like, the ultraviolet ray can degrade or pulverize a coating layer to influence the beauty of a building when the existing fluorocarbon resin coating is exposed to natural light for a long time, and if the existing fluorocarbon resin coating is replaced, the use cost of the material is high, the replacement operation is troublesome, and the replacement cost is overhigh.
The Chinese patent CN111016307A discloses a sound insulation composite aluminum plate for curtain walls and a preparation method thereof, wherein a core layer is a non-metal composite plate prepared from polyethylene and straw powder, and the addition of the straw powder improves the sound insulation effect of the non-metal composite layer and also lightens the mass. However, the straw powder belongs to sound-absorbing materials, and is used for preventing echoes and cannot well block the influence of external noise on the indoor environment; in addition, the straw powder belongs to inflammable substances, and the composite aluminum plate also has a good flame retardant effect. Chinese patent CN206000060U discloses a flame retardant and sound insulation composite curtain wall board, which is composed of a panel, a fire-proof plate, a porous plate and a base plate, wherein the fire-proof plate and the porous plate are arranged to make the composite curtain wall board have flame retardant and sound insulation effects, but the structure increases the thickness of the composite curtain wall, each component must be strictly limited to obtain better effect, and the porous plate structure cannot well block the influence of external noise on the indoor, and has poor sound insulation effect.
Disclosure of Invention
The invention aims to provide a flame-retardant sound-insulation composite curtain wall which is simple in structure and has excellent flame retardance and sound insulation performance.
In order to solve the technical problem, the invention provides a flame-retardant sound-insulation composite curtain wall which comprises an aluminum plate outer frame, a PET/PVC flame-retardant composite layer, a titanium powder layer and a ceramic layer, wherein the upper end and the side surface of the PET/PVC flame-retardant composite layer are bonded with the inner surface of the aluminum plate outer frame through an organic adhesive, the lower end of the PET/PVC flame-retardant composite layer is coated with the titanium powder layer, the ceramic layer is thermally sprayed on the titanium powder layer, the upper end of the aluminum plate outer frame is uniformly sprayed with a polyurethane primer, and the polyurethane primer is further sprayed with a layer of phenyl ketone fluorocarbon coating.
Further, the PET/PVC flame-retardant composite layer comprises the following components in parts by weight: 35-50 parts of PET, 12-20 parts of PVC, 18-30 parts of glass fiber, 5-8 parts of plasticizer, 6-9 parts of titanium dioxide, 5-7 parts of BDP (bisphenol A bis (diphenyl phosphate)), 0.5-1 part of TPP (triphenyl phosphite) and 0.5-0.8 part of calcium stearate.
Further, the ceramic layer is composed of the following components in parts by weight: 86-90 parts of aluminum oxide, 3-4 parts of titanium dioxide, 4-5 parts of yttrium oxide, 2-3 parts of a binder and 1-2 parts of a ceramic dispersant, wherein the binder is polyvinyl butyral, the ceramic dispersant is polyethylene glycol, and the ceramic layer is prepared from the following materials in parts by weight: the ceramic layer components are taken according to the weight portion and evenly mixed, then 100 portions of water are added, ball milling is carried out for 10 hours at the ball milling speed of 360r/min, the slurry after ball milling is filtered, and a centrifugal spray dryer is used for processing the slurry into granular ceramic powder with the particle size of 10-15 mu m.
Further, the benzophenone fluorocarbon coating comprises the following components in parts by weight: 30-40 parts of trifluoro FEVE resin, 15-20 parts of benzophenone UV400, 25-35 parts of solvent, 1-3 parts of polydimethylsiloxane, 10-15 parts of diluent and 1-3 parts of catalyst; the solvent is butyl acetate and toluene, and the mass ratio is 2-3: 1; the diluent is methyl methacrylate; the catalyst is ammonium dodecylbenzene sulfonate.
Further, the preparation method of the benzophenone fluorocarbon coating sequentially comprises the following steps:
a1, adding trifluoro FEVE resin into a solvent, uniformly stirring to obtain a slurry, then adding benzophenone UV400, heating to 80 ℃, keeping the temperature, slowly adding a catalyst, stirring to react for 8-12h, and cooling to room temperature to obtain a grafted benzophenone-fluorocarbon mixture;
a2, adding polydimethylsiloxane and a diluent into the mixture of the benzophenone fluorocarbon and the fluorine, and stirring for 2-3h at the speed of 350-450r/min to obtain the benzophenone fluorocarbon coating.
The preparation method of the flame-retardant sound-insulation composite curtain wall comprises the following steps:
s1, uniformly mixing the components for preparing the PET/PVC flame-retardant composite layer according to the weight ratio, drying the mixture in a drying oven at 100 ℃ for 4h, adding the mixture into an internal mixer at the temperature of 150-170 ℃, wherein the internal mixing time is 15-20min, putting the mixture into a hot press after the internal mixing is finished, and carrying out hot press molding at the pressure of 15MPa and the temperature of 220-230 ℃ to obtain the required PET/PVC flame-retardant composite layer;
s2, heating the PET/PVC flame-retardant composite layer in the step S1 to 60-70 ℃, preserving heat for 2 hours, embedding the PET/PVC flame-retardant composite layer into an aluminum plate outer frame, coating an organic adhesive on the contact surface of the PET/PVC flame-retardant composite layer and the aluminum plate outer frame, and adhering and compacting the PET/PVC flame-retardant composite layer and the aluminum plate outer frame;
s3, performing oil removal, electricity removal and dust removal treatment on the lower end of the PET/PVC flame-retardant composite layer, and then plating a 0.03-0.04mm titanium powder layer on the lower end of the PET/PVC flame-retardant composite layer by adopting a magnetron sputtering technology;
s4, thermally spraying the granular ceramic powder prepared in the claim 3 onto a titanium powder layer, wherein the thickness of the obtained ceramic layer is 0.1-0.2 mm;
s5, uniformly spraying a layer of 20-25 mu m polyurethane primer on the upper end of the aluminum plate outer frame, then spraying a layer of phenyl ketone fluorocarbon coating prepared according to claim 5 on the polyurethane primer, wherein the thickness of the phenyl ketone fluorocarbon coating is 30-40 mu m, and finally drying for 8-10h under the illumination condition to obtain the required flame-retardant sound-insulation composite curtain wall.
The invention achieves the following beneficial effects:
1. according to the invention, titanium powder is plated at the lower end of the PET/PVC flame-retardant composite layer by adopting a magnetron sputtering technology, so that the titanium powder layer and the PET/PVC flame-retardant composite layer have better bonding force, are not easy to fall off, and cannot fall off due to long-term exposure to the sun and rain; the ceramic powder is sprayed on the titanium powder layer by a thermal spraying technology, the titanium powder and an oxide in a ceramic liquid phase form a liquid-phase active alloy at a high temperature in the thermal spraying process, so that the titanium powder layer and the ceramic layer mutually permeate and form a compact and uniform combined layer between the titanium powder layer and the ceramic layer, the bonding effect between the ceramic layer and the titanium powder layer is improved, the ceramic powder layer and the ceramic layer are exposed in the air for a long time, no chemical reaction or physical reaction is generated, and the service life of the composite curtain wall is prolonged.
2. The PET/PVC flame-retardant composite layer is formed by compounding PET and PVC, and the PVC contains halogen atoms, so that the flame retardant property of the composite layer is improved; the glass fiber is added, so that the mechanical property of the composite material is improved, and the glass fiber has good flame retardant property and sound absorption effect, so that the flame retardant property and the sound insulation property of the composite layer are improved; titanium dioxide is added into the composite layer, so that the flame retardant property of the composite layer is further improved.
3. The benzophenone fluorocarbon coating is prepared by dissolving trifluoro FEVE resin and benzophenone in a solvent, and then carrying out grafting reaction on the benzophenone and the trifluoro FEVE resin under the action of a catalyst to obtain a grafted benzophenone-fluorocarbon mixture, wherein the grafted benzophenone-fluorocarbon mixture has the ultraviolet absorption effect and the photocuring effect of the benzophenone and also has good thermal stability, weather resistance and corrosion resistance of the fluorocarbon resin, and the cost of the benzophenone is increased by absorbing light energy and splitting into components containing active free radicals after being irradiated by ultraviolet light, so that the film forming speed is accelerated, the film forming process is more environment-friendly without heating to form a film. The grafted benzophenone-fluorocarbon mixture is added with a diluent and polydimethylsiloxane to prepare the benzophenone fluorocarbon coating, a polyurethane primer is arranged between the benzophenone fluorocarbon coating and the outer surface of the aluminum plate outer frame, the operation is simple, the benzophenone fluorocarbon coating can be better bonded on the aluminum plate outer frame and is not easy to fall off, the aluminum plate outer frame can be well protected, the aluminum plate outer frame is prevented from being exposed in the air for a long time, oxidation, corrosion, loss of gloss and the like, the ultraviolet resistance is excellent, the service life of the composite curtain wall is prolonged, and the cost is saved.
4. The invention is composed of an aluminum plate outer frame, a PET/PVC flame-retardant composite layer, a titanium powder layer and a ceramic layer, wherein the PET/PVC flame-retardant composite layer belongs to a high polymer material, so that the invention has good flame-retardant and sound-insulating properties; the titanium powder layer and the ceramic layer have compact structures, so that the sound insulation effect can be better achieved, the sound insulation and noise reduction effects of the composite curtain wall are improved, and the quality of the composite curtain wall cannot be increased due to the thin thickness of the composite curtain wall; the benzophenone fluorocarbon coating coated on the outer frame of the aluminum plate enables the composite curtain wall to have good thermal stability, weather resistance, corrosion resistance and ultraviolet resistance, prolongs the service life of the composite curtain wall and reduces the replacement cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of an embodiment of the flame-retardant soundproof composite curtain wall of the invention.
The attached drawings are as follows: 1. an aluminum plate outer frame; 2. a PET/PVC flame-retardant composite layer; 3. a titanium powder layer; 4. a ceramic layer.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The flame-retardant sound-insulating composite curtain wall of the invention will be described with reference to the following specific embodiments.
As shown in fig. 1, the flame-retardant sound-insulation composite curtain wall disclosed by the invention comprises an aluminum plate outer frame 1, a PET/PVC flame-retardant composite layer 2, a titanium powder layer 3 and a ceramic layer 4, wherein the upper end and the side surface of the PET/PVC flame-retardant composite layer 2 are bonded with the inner surface of the aluminum plate outer frame 1 through an organic adhesive, the lower end of the PET/PVC flame-retardant composite layer 2 is coated with the titanium powder layer 3, the ceramic layer 4 is thermally sprayed on the titanium powder layer 3, the upper end of the aluminum plate outer frame 1 is uniformly coated with a layer of polyurethane primer, and the polyurethane primer is further coated with a layer of.
The preparation method of the flame-retardant sound-insulation composite curtain wall specifically comprises the following steps:
s1, uniformly mixing the components for preparing the PET/PVC flame-retardant composite layer 2 according to the weight ratio, drying the mixture in an oven at 100 ℃ for 4h, adding the mixture into a Banbury mixer at the temperature of 150 ℃ and 170 ℃ for 15-20min, putting the mixture into a hot press after the Banbury mixer is finished, and carrying out hot press molding at the pressure of 15MPa and the temperature of 220 ℃ and 230 ℃ to obtain the required PET/PVC flame-retardant composite layer 2.
S2, heating the PET/PVC flame-retardant composite layer 2 in the step (1) to 60-70 ℃, preserving heat for 2 hours, embedding the PET/PVC flame-retardant composite layer into the aluminum plate outer frame 1, coating an organic adhesive on the contact surface of the PET/PVC flame-retardant composite layer 2 and the aluminum plate outer frame 1, and laminating and compacting. The organic adhesive selected in this embodiment is a neutral silicone structural sealant.
S3, performing oil removal, electricity removal and dust removal treatment on the lower end of the PET/PVC flame-retardant composite layer 2, and then plating a 0.03-0.04mm titanium powder layer 3 on the lower end of the PET/PVC flame-retardant composite layer 2 by adopting a magnetron sputtering technology.
Deoiling treatment of the PET/PVC flame-retardant composite layer: and cleaning the composite layer with gasoline or alcohol, cleaning with pure water, and air drying or oven drying.
The static elimination and dust removal treatment of the PET/PVC flame-retardant composite layer adopts high-pressure ionized air flow to simultaneously remove static and dust.
S4, thermally spraying the granular ceramic powder prepared in the claim 3 on the titanium powder layer 3, and obtaining the ceramic layer 4 with the thickness of 0.1-0.2 mm.
S5, uniformly spraying a layer of 20-25 mu m polyurethane primer on the upper end of the aluminum plate outer frame 1, then spraying a layer of benzophenone fluorocarbon coating on the polyurethane primer, wherein the thickness of the benzophenone fluorocarbon coating is 30-40 mu m, and finally drying for 8-10h under the illumination condition to obtain the required flame-retardant sound-insulation composite curtain wall.
Example 1: the flame-retardant sound-insulation composite curtain wall comprises the components and is prepared by the method.
In the composition of the flame-retardant sound-insulation composite curtain wall in the embodiment 1, the PET/PVC flame-retardant composite layer is composed of the following components in parts by weight: 35 parts of PET, 20 parts of PVC, 22 parts of glass fiber, 6 parts of plasticizer, 9 parts of titanium dioxide, 7 parts of BDP, 0.5 part of TPP and 0.5 part of calcium stearate.
In the composition of the flame-retardant sound-insulation composite curtain wall in the embodiment 1, the ceramic layer is composed of the following components in parts by weight: 86 parts of aluminum oxide, 4 parts of titanium dioxide, 5 parts of yttrium oxide, 3 parts of a binder and 2 parts of a ceramic dispersant. Wherein the binder is polyvinyl butyral, and the ceramic dispersant is polyethylene glycol. The specific preparation method of the ceramic layer material comprises the following steps: the ceramic layer components are taken according to the weight portion and evenly mixed, then 100 portions of water are added, ball milling is carried out for 10 hours at the ball milling speed of 360r/min, the slurry after ball milling is filtered, and a centrifugal spray dryer is used for processing the slurry into granular ceramic powder with the particle size of 10-15 mu m.
In the composition of the flame-retardant sound-insulation composite curtain wall in the embodiment 1, the benzophenone fluorocarbon coating is composed of the following components in parts by weight: 30 parts of trifluoro FEVE resin, 20 parts of benzophenone UV 40020 parts, 35 parts of solvent, 3 parts of polydimethylsiloxane, 10 parts of diluent and 2 parts of catalyst. Wherein the solvent is butyl acetate and toluene, and the mass ratio is 2-3: 1; the diluent is methyl methacrylate; the catalyst is ammonium dodecylbenzene sulfonate.
The preparation method of the benzophenone fluorocarbon coating sequentially comprises the following steps:
a1, adding trifluoro FEVE resin into a solvent, uniformly stirring to obtain a slurry, then adding benzophenone UV400, heating to 80 ℃, keeping the temperature, slowly adding a catalyst, stirring to react for 8-12h, and cooling to room temperature to obtain a grafted benzophenone-fluorocarbon mixture;
a2, adding polydimethylsiloxane and a diluent into the mixture of the benzophenone fluorocarbon and the fluorine, and stirring for 2-3h at the speed of 350-450r/min to obtain the benzophenone fluorocarbon coating.
Example 2: the flame-retardant sound-insulation composite curtain wall comprises the components and is prepared by the method.
In the composition of the flame-retardant sound-insulation composite curtain wall in the embodiment 2, the PET/PVC flame-retardant composite layer is composed of the following components in parts by weight: 50 parts of PET, 12 parts of PVC, 20.2 parts of glass fiber, 5 parts of plasticizer, 6 parts of titanium dioxide, 5 parts of BDP, 1 part of TPP and 0.8 part of calcium stearate.
In the composition of the flame-retardant sound-insulation composite curtain wall in the embodiment 2, the ceramic layer is composed of the following components in parts by weight: 90 parts of alumina, 3 parts of titanium dioxide, 4 parts of yttrium oxide, 2 parts of a binder and 1 part of a ceramic dispersant. Wherein the binder is polyvinyl butyral, and the ceramic dispersant is polyethylene glycol. The specific preparation method of the ceramic layer material comprises the following steps: the ceramic layer components are taken according to the weight portion and evenly mixed, then 100 portions of water are added, ball milling is carried out for 10 hours at the ball milling speed of 360r/min, the slurry after ball milling is filtered, and a centrifugal spray dryer is used for processing the slurry into granular ceramic powder with the particle size of 10-15 mu m.
In the composition of the flame-retardant sound-insulation composite curtain wall of the embodiment 2, the benzophenone fluorocarbon coating is composed of the following components in parts by weight: 40 parts of a fluorocarbon type FEVE resin, 15 parts of benzophenone UV40015 parts, 28 parts of a solvent, 1 part of polydimethylsiloxane, 15 parts of a diluent and 1 part of a catalyst. Wherein the solvent is butyl acetate and toluene, and the mass ratio is 2-3: 1; the diluent is methyl methacrylate; the catalyst is ammonium dodecylbenzene sulfonate. The preparation method of the benzophenone fluorocarbon coating is the same as that of the embodiment 1, and the specific steps refer to the embodiment 1.
Example 3: the flame-retardant sound-insulation composite curtain wall comprises the components and is prepared by the method.
In the composition of the flame-retardant sound-insulation composite curtain wall in this embodiment 3, the PET/PVC flame-retardant composite layer is composed of the following components in parts by weight: 43.5 parts of PET, 18 parts of PVC, 18 parts of glass fiber, 8 parts of plasticizer, 6 parts of titanium dioxide, 5 parts of BDP, 0.8 part of TPP and 0.7 part of calcium stearate.
In the composition of the flame-retardant sound-insulation composite curtain wall in the embodiment 3, the ceramic layer is composed of the following components in parts by weight: 86 parts of aluminum oxide, 4 parts of titanium dioxide, 5 parts of yttrium oxide, 3 parts of a binder and 2 parts of a ceramic dispersant. Wherein the binder is polyvinyl butyral, and the ceramic dispersant is polyethylene glycol. The specific preparation method of the ceramic layer material comprises the following steps: the ceramic layer components are taken according to the weight portion and evenly mixed, then 100 portions of water are added, ball milling is carried out for 10 hours at the ball milling speed of 360r/min, the slurry after ball milling is filtered, and a centrifugal spray dryer is used for processing the slurry into granular ceramic powder with the particle size of 10-15 mu m.
In the composition of the flame-retardant sound-insulation composite curtain wall in the embodiment 3, the benzophenone fluorocarbon coating is composed of the following components in parts by weight: 36 parts of a trifluoro-type FEVE resin, 18 parts of benzophenone UV40018 parts, 25 parts of a solvent, 3 parts of polydimethylsiloxane, 15 parts of a diluent and 3 parts of a catalyst. Wherein the solvent is butyl acetate and toluene, and the mass ratio is 2-3: 1; the diluent is methyl methacrylate; the catalyst is ammonium dodecylbenzene sulfonate. The preparation method of the benzophenone fluorocarbon coating is the same as that of the embodiment 1, and the specific steps refer to the embodiment 1.
Example 4: the flame-retardant sound-insulation composite curtain wall comprises the components and is prepared by the method.
In the composition of the flame-retardant sound-insulation composite curtain wall of the embodiment 4, the PET/PVC flame-retardant composite layer is composed of the following components in parts by weight: 36.7 parts of PET, 12 parts of PVC, 30 parts of glass fiber, 7 parts of plasticizer, 7 parts of titanium dioxide, 6 parts of BDP, 0.7 part of TPP and 0.6 part of calcium stearate.
In the composition of the flame-retardant sound-insulation composite curtain wall of the embodiment 4, the ceramic layer is composed of the following components in parts by weight: 90 parts of alumina, 3 parts of titanium dioxide, 4 parts of yttrium oxide, 2 parts of a binder and 1 part of a ceramic dispersant. Wherein the binder is polyvinyl butyral, and the ceramic dispersant is polyethylene glycol. The specific preparation method of the ceramic layer material comprises the following steps: the ceramic layer components are taken according to the weight portion and evenly mixed, then 100 portions of water are added, ball milling is carried out for 10 hours at the ball milling speed of 360r/min, the slurry after ball milling is filtered, and a centrifugal spray dryer is used for processing the slurry into granular ceramic powder with the particle size of 10-15 mu m.
In the composition of the flame-retardant sound-insulation composite curtain wall of the embodiment 4, the benzophenone fluorocarbon coating is composed of the following components in parts by weight: 35 parts of trifluoro-type FEVE resin, 19 parts of benzophenone UV40019 parts, 30 parts of solvent, 2 parts of polydimethylsiloxane, 12 parts of diluent and 2 parts of catalyst. Wherein the solvent is butyl acetate and toluene, and the mass ratio is 2-3: 1; the diluent is methyl methacrylate; the catalyst is ammonium dodecylbenzene sulfonate. The preparation method of the benzophenone fluorocarbon coating is the same as that of the embodiment 1, and the specific steps refer to the embodiment 1.
Comparative example 1:
the composition and procedure of comparative example 1 were as in example 3, except that the ceramic layer was not sprayed in comparative example 1, and the others were the same.
According to the composite curtain wall obtained in the above examples 1-4 and the comparative example 1, the flame retardant and sound insulation performance test is carried out, and the results are shown in the following table:
Figure BDA0002589749160000101
the experimental results show that the flame-retardant sound-insulation composite curtain wall has good flame-retardant sound-insulation effect, low heat transfer coefficient and excellent heat-insulation performance; after the ceramic layer is sprayed, the flame-retardant and sound-insulating properties of the composite curtain wall are improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (4)

1. The flame-retardant sound-insulation composite curtain wall is characterized by comprising an aluminum plate outer frame (1), a PET/PVC flame-retardant composite layer (2), a titanium powder layer (3) and a ceramic layer (4), wherein the upper end and the side surface of the PET/PVC flame-retardant composite layer (2) are bonded with the inner surface of the aluminum plate outer frame (1) through an organic adhesive, a titanium powder layer (3) is sprayed on the lower end of the PET/PVC flame-retardant composite layer (2), a ceramic layer (4) is thermally sprayed on the titanium powder layer (3), a polyurethane primer is uniformly sprayed on the upper end of the aluminum plate outer frame (1), and a phenylketone fluorocarbon coating is further sprayed on the polyurethane primer;
the PET/PVC flame-retardant composite layer (2) comprises the following components in parts by weight: 35-50 parts of PET, 12-20 parts of PVC, 18-30 parts of glass fiber, 5-8 parts of plasticizer, 6-9 parts of titanium dioxide, 5-7 parts of BDP, 0.5-1 part of TPP and 0.5-0.8 part of calcium stearate;
the benzophenone fluorocarbon coating comprises the following components in parts by weight: 30-40 parts of trifluoro FEVE resin, 15-20 parts of benzophenone UV400, 25-35 parts of solvent, 1-3 parts of polydimethylsiloxane, 10-15 parts of diluent and 1-3 parts of catalyst; the solvent is butyl acetate and toluene, and the mass ratio is 2-3: 1; the diluent is methyl methacrylate; the catalyst is ammonium dodecylbenzene sulfonate.
2. The flame-retardant sound-insulation composite curtain wall as claimed in claim 1, wherein the ceramic layer (4) is composed of the following components in parts by weight: 86-90 parts of aluminum oxide, 3-4 parts of titanium dioxide, 4-5 parts of yttrium oxide, 2-3 parts of a binder and 1-2 parts of a ceramic dispersant, wherein the binder is polyvinyl butyral, the ceramic dispersant is polyethylene glycol, and the ceramic layer is prepared from the following materials in parts by weight: the ceramic layer components are taken according to the weight portion and evenly mixed, then 100 portions of water are added, ball milling is carried out for 10 hours at the ball milling speed of 360r/min, the slurry after ball milling is filtered, and a centrifugal spray dryer is used for processing the slurry into granular ceramic powder with the particle size of 10-15 mu m.
3. The flame-retardant soundproof composite curtain wall as claimed in claim 1, wherein the preparation method of the benzophenone fluorocarbon coating comprises the following steps in sequence:
a1, adding trifluoro FEVE resin into a solvent, uniformly stirring to obtain a slurry, then adding benzophenone UV400, heating to 80 ℃, keeping the temperature, slowly adding a catalyst, stirring to react for 8-12h, and cooling to room temperature to obtain a grafted benzophenone fluorocarbon mixture;
a2, adding polydimethylsiloxane and a diluent into the mixture of the benzophenone fluorocarbon and the fluorine, and stirring for 2-3h at the speed of 350-450r/min to obtain the benzophenone fluorocarbon coating.
4. The method for preparing the flame-retardant sound-insulation composite curtain wall as claimed in any one of claims 1 to 3, which is characterized by comprising the following steps:
s1, uniformly mixing the components for preparing the PET/PVC flame-retardant composite layer (2) according to the weight ratio, drying the mixture in an oven at 100 ℃ for 4h, adding the mixture into an internal mixer at the temperature of 150-;
s2, heating the PET/PVC flame-retardant composite layer (2) in the step S1 to 60-70 ℃, preserving heat for 2 hours, embedding the PET/PVC flame-retardant composite layer into an aluminum plate outer frame (1), coating an organic adhesive on the contact surface of the PET/PVC flame-retardant composite layer (2) and the aluminum plate outer frame (1), and laminating and compacting;
s3, performing oil removal, electricity removal and dust removal treatment on the lower end of the PET/PVC flame-retardant composite layer (2), and then plating a titanium powder layer (3) with the thickness of 0.03-0.04mm on the lower end of the PET/PVC flame-retardant composite layer (2) by adopting a magnetron sputtering technology;
s4, thermally spraying the granular ceramic powder prepared in the claim 2 onto the titanium powder layer (3), wherein the thickness of the obtained ceramic layer (4) is 0.1-0.2 mm;
s5, uniformly spraying a layer of 20-25 mu m polyurethane primer on the upper end of the aluminum plate outer frame (1), then spraying a layer of the benzophenone fluorocarbon coating prepared according to claim 3 on the polyurethane primer, wherein the thickness of the benzophenone fluorocarbon coating is 30-40 mu m, and finally drying for 8-10h under the illumination condition to obtain the required flame-retardant sound-insulation composite curtain wall.
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