CN107471807A - A kind of production method of aluminium-plastic panel - Google Patents

A kind of production method of aluminium-plastic panel Download PDF

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Publication number
CN107471807A
CN107471807A CN201710790676.9A CN201710790676A CN107471807A CN 107471807 A CN107471807 A CN 107471807A CN 201710790676 A CN201710790676 A CN 201710790676A CN 107471807 A CN107471807 A CN 107471807A
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China
Prior art keywords
aluminium
plastic panel
aluminium flake
flake
degreasing
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CN201710790676.9A
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Chinese (zh)
Inventor
邱士卫
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Taizhou Port State Building Materials Co Ltd
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Taizhou Port State Building Materials Co Ltd
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Priority to CN201710790676.9A priority Critical patent/CN107471807A/en
Publication of CN107471807A publication Critical patent/CN107471807A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/162—Cleaning
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C23C22/66—Treatment of aluminium or alloys based thereon
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a kind of production method of aluminium-plastic panel, it is good that the aluminium-plastic panel produced using the above method possesses anticorrosion effect, the effect that plastic-coated effect is good and tensile strength is high, its drip irrigation device is the upper aluminium alloy layer that aluminium-plastic panel includes being sequentially connected, intermediate layer and lower aluminium alloy layer, intermediate layer uses fire-retardant Substance P E plastic materials, and upper aluminium alloy layer and lower aluminium alloy layer are coated with anti-flaming dope, formed with the filling annular groove for being arranged at intermediate layer the week side of boss between upper aluminium alloy layer and lower aluminium alloy layer, thermosetting resin is filled with filling annular groove, its production process comprises the following steps：（1）Degreasing process flow；（2）Coating process flow；（3）Combination process flow；（4）Reinforcement process flow, the present invention are applied to the production technical field of aluminium-plastic panel.

Description

A kind of production method of aluminium-plastic panel
Technical field
The present invention relates to a kind of production method of aluminium-plastic panel.
Background technology
Composited aluminum and plastic decking possessed special performance in itself, determines its extensive use：It can be used for building exposed wall, curtain Curtain wall panel, old building transforming renovation, indoor wall and ceiling finishing, advertising signboard, exhibition bench frame, purification dustproof engineering.Belong to A kind of new decorative material for building.
It is traditionally used for producing the production method of aluminium-plastic panel, complex steps, and the aluminium-plastic panel produced because to aluminium Plate oxidation effectiveness is poor so as to influence plastic-coated effect, and poor in the tensile strength to aluminium sheet and the progress of PE plates after compound, all It is the problem of presently, there are.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of production method of aluminium-plastic panel, use The aluminium-plastic panel of above method production possesses the effect that anticorrosion effect is good, and plastic-coated effect is good and tensile strength is high.
To achieve the above object, the invention provides following technical scheme：A kind of production method of aluminium-plastic panel, the plastic-aluminum Plate includes upper aluminium alloy layer, intermediate layer and the lower aluminium alloy layer being sequentially connected, and intermediate layer uses fire-retardant Substance P E shaped plastics Material, and upper aluminium alloy layer and lower aluminium alloy layer are coated with anti-flaming dope, between upper aluminium alloy layer and lower aluminium alloy layer formed with The filling annular groove of intermediate layer the week side of boss is arranged at, is filled with thermosetting resin in filling annular groove, its production process comprises the following steps： （1）Degreasing process flow：A, preparation：Aluminium flake to be processed, spray chamber, degreasing spray pump, a certain amount of alkalescent degreaser, hairbrush Roller, a certain amount of neutral degreaser, neutralization chamber, rinsing bowl, electrolytic bath, drying baker and thermantidote；
B, degreasing：Aluminium flake to be processed is delivered to spray chamber by I, using alkalescent degreaser, is carried out preliminary degreasing, is sprayed by degreasing Degreaser is sprayed on aluminium flake to be processed by leaching pump from pump line through nozzle；II, washes aluminium flake obtained by above-mentioned steps by brush roll The upper and lower surface of brush aluminium flake, and neutral degreaser is subjected to pressurization by degreasing spray pump and is sprayed onto on aluminium flake；III, is by above-mentioned steps Gained aluminium flake delivers to neutralization chamber, is dipped in the neutral degreaser in neutralization chamber, to reach the purpose of thorough degreasing；
C, chemical conversion treatment：Aluminium flake obtained by step B is rinsed by I, by rinsing bowl；II, places aluminium flake obtained by above-mentioned steps In in electrolytic bath, by alkaline oxygenated method, the mass concentration of each composition is sodium carbonate 40-60g/ in used alkaline solution L, sodium chromate 15-25g/L and sodium hydroxide 2-5g/L, and in the environment of 85 DEG C -100 DEG C, the duration is in 5min- Between 8min, aluminum flake surface is set to form oxide-film；III, is thoroughly cleaned aluminium flake obtained by above-mentioned steps, by drying baker with And thermantidote is dried and cooled down.
（2）Coating process flow：D, preparation：Step（1）Gained aluminium sheet, anti-flaming dope, mixer, air pressure membrane pump, spray Apply room, paint baking oven and ice water circulation heat exchanger.
E, application：Anti-flaming dope is stirred uniformly by I, by mixer, viscosity needed for anti-flaming dope is adjusted, by adding Add thickener, the control of anti-flaming dope viscosity will be used between 2000-2500mpa.s；II, is by using air pressure membrane pump conduct Power source is sprayed, using the finishing of aerial spraying, processing is dried in spray booth, water content is to air in reduction air The influence of spraying, is repeatedly sprayed, during spraying can by the Stress control of spraying between 70-89KG/cm2, spraying when Between control between 60s-85s so that anti-flaming dope is uniformly coated on aluminum flake surface in air pressure membrane pump；III, is by above-mentioned step Rapid gained aluminium flake is positioned over paint baking oven and carries out paint baking.
F, cool down：Aluminium flake obtained by step E is cooled down by ice water circulation heat exchanger, in order to collect；
（3）Combination process flow：G, preparation：Step（2）Gained aluminium flake, PE cores, cutter, electrostatic cleaner, the preheating of PE plates Stove, macromolecule felted-membrane, polymeric membrane discharging device, hot stove, press, moist closet, ice water circulation heat exchanger and fan unit Pipe cooling furnace；
H, cut：Selected PE cores are cut by cutter, control PE cores size, respectively with upper and lower aluminium When piece is attached, it is easy to form the filling annular groove for being arranged at PE core the week side of boss in upper aluminium flake, PE cores, the connection of lower aluminium flake；
I, it is compound：PE section bars are carried out dust removal process by I, by electrostatic cleaner；II, is carried out by PE plates preheating furnace to PE cores Preheating, make between PE plates reach 90-120 DEG C, glued by carrying out covering macromolecule macromolecule felted-membrane discharging device to PE cores Conjunctiva, and by upper and lower aluminium sheet by upper and lower macromolecule felted-membrane together with PE core green tacks；III, is using hot stove to pre- The aluminium-plastic panel of fitting carries out being heated to 130-150 DEG C, the first composite roll, the second composite roll on by press, the first hot pressing Roller and the second hot-pressing roller are rolled, and the first composite roll is controlled into temperature between 102 DEG C -105 DEG C, the second composite roll Temperature is controlled between 120 DEG C -128 DEG C, the first hot-pressing roller controls temperature between 112 DEG C -115 DEG C, the control of the second hot-pressing roller Temperature is between 102-108 DEG C, and hot pressing control pressure is between 0.9-1.2MPa, and the aluminium-plastic panel after hot-pressing processing is carried out Placement and moist closet, by the temperature control of moist closet between 80 DEG C -100 DEG C, and are arranged on 40min-90min by soaking time Between, it is ensured that it is abundant bonding between upper and lower aluminium-plastic panel and PE cores；
J, cool down：Aluminium flake obtained by step I is cooled down by ice water circulation heat exchanger and fan coil cooling furnace, In order to collect；
（4）Reinforcement process flow：K, preparation：Step（3）Described aluminium-plastic panel, thermosetting resin and coating machine；
L, application：Thermosetting resin is filled in the storage cavity volume in coating machine, passes through the hydraulic pressure spray gun being arranged on coating machine The thermosetting resin stored in cavity volume is sprayed onto in filling annular groove, and 6h-12h is dried at 100 DEG C -200 DEG C；
M, it is molded：In the environment of pressure is 10Mpa-20Mpa, and by temperature control in 100 DEG C of -120 DEG C of insulation 1.5h-2h Shaping.
Further, in step（1）The mass concentration of each composition of alkaline solution in degreasing process in step B is carbon Sour sodium 50-60g/L, sodium chromate 15-20g/L and tertiary sodium phosphate 1.5-2g/L, and in the environment of 90 DEG C -100 DEG C, continue Time between 8min-10min, makes aluminum flake surface form oxide-film.
Further, in step（1）The mass concentration of each composition of alkaline solution in degreasing process in step B is carbon Sour sodium 40-50g/L, sodium chromate 10-20g/L and sodium metasilicate 0.6-1g/L, and in the environment of 90 DEG C -95 DEG C, when continuing Between between 8min-10min, make aluminum flake surface formed oxide-film.
Further, the aluminium flake of gained after above-mentioned carry out chemical conversion treatment is immersed in 20g/L CrO3In solution, room temperature 5~15s of lower Passivation Treatment, is then dried at a temperature of less than 50 DEG C.
Further, thermoset resin material is unsaturated polyester (UP), vinyl esters, epoxy resin, phenolic resin or poly- Imide resin.
By using above-mentioned technical proposal, beneficial effect is：（1）Production craft step is few, by degreasing, application, answers Four big processing steps are closed and reinforce, step is simple, and using the aluminium-plastic panel fire resisting of above-mentioned technique productions, pressure-resistant and resistance to drawing Pull that effect is good, greatly ensure that the good practicality of aluminium-plastic panel；
（2）In degreasing process, causing by using alkaline oxygenated method, aluminum flake surface forms oxide-film, and in aluminum flake surface The different porosities of formation, adsorption effect during ensuring in plastic spraying aluminium flake to spraying, and by the aluminium flake of gained It is dipped to CrO3Solution is radially passivated, and further increases corrosion resistance；
（3）In plastic spraying, by using the finishing of aerial spraying, coordinate the oxide-film formed in degreasers' technique, increase Added adsorption effect of the aluminium flake for anti-flaming dope, and the spraying effect of this method is uniform, the pressure of spraying and；
（4）In combination process, by using the first composite roll, the second composite roll, the first hot-pressing roller and for possessing press Two hot-pressing rollers are rolled, and increase the process of rolling, and are controlled by by using different temperature, and carry out lasting guarantor Warm duration, and then good composite effect is improved, it is to improve the uniformity coefficient of combination by the way of rolling；
（5）Reinforcement process in the present invention, it is to form upper aluminium sheet, PE plates and lower aluminum sheet composite joint in combination process to fill out Annular groove is filled, and is filled thermosetting resin to filling annular groove by coating machine, and then improves the connection between upper and lower aluminium sheet Consolidation effect.
（6）Thermoset resin material is unsaturated polyester (UP), vinyl esters, epoxy resin, phenolic resin or polyimides tree Fat, set by setting using above-mentioned material, adhesive effect is good, and possesses heated not bating effect, and then improve aluminium sheet Between adhesive strength.
Brief description of the drawings
Fig. 1 is the flow chart of the embodiment of the present invention.
Fig. 2 is each matching method of alkaline oxygenated method of the embodiment of the present invention and the table of comparisons of porosity.
Fig. 3 is the spray pressure, spray time and the reference table for forming coating layer thickness of the embodiment of the present invention.
Fig. 4 is that the combination process of the embodiment of the present invention forms the reference table of aluminium-plastic panel tensile strength.
Embodiment
Reference picture 1-4 is described further to a kind of production method embodiment of aluminium-plastic panel of the present invention.
Embodiment 1
A kind of production method of aluminium-plastic panel, upper aluminium alloy layer, intermediate layer and the lower aluminium that the aluminium-plastic panel includes being sequentially connected close Layer gold, intermediate layer uses fire-retardant Substance P E plastic materials, and upper aluminium alloy layer and lower aluminium alloy layer are coated with anti-flaming dope, It is interior filled with heat formed with the filling annular groove for being arranged at intermediate layer the week side of boss, filling annular groove between upper aluminium alloy layer and lower aluminium alloy layer Thermosetting resin, its production process comprise the following steps：（1）Degreasing process flow：A, preparation：Aluminium flake to be processed, spray chamber, degreasing Spray pump, a certain amount of alkalescent degreaser, brush roll, a certain amount of neutral degreaser, neutralization chamber, rinsing bowl, electrolytic bath, baking Dry case and thermantidote；
B, degreasing：Aluminium flake to be processed is delivered to spray chamber by I, using alkalescent degreaser, is carried out preliminary degreasing, is sprayed by degreasing Degreaser is sprayed on aluminium flake to be processed by leaching pump from pump line through nozzle；II, washes aluminium flake obtained by above-mentioned steps by brush roll The upper and lower surface of brush aluminium flake, and neutral degreaser is subjected to pressurization by degreasing spray pump and is sprayed onto on aluminium flake；III, is by above-mentioned steps Gained aluminium flake delivers to neutralization chamber, is dipped in the neutral degreaser in neutralization chamber, to reach the purpose of thorough degreasing；
C, chemical conversion treatment：Aluminium flake obtained by step B is rinsed by I, by rinsing bowl；II, places aluminium flake obtained by above-mentioned steps In in electrolytic bath, by alkaline oxygenated method, the mass concentration of each composition is sodium carbonate 40-60g/ in used alkaline solution L, sodium chromate 15-25g/L and sodium hydroxide 2-5g/L, and in the environment of 85 DEG C -100 DEG C, the duration is in 5min- Between 8min, aluminum flake surface is set to form oxide-film；III, is thoroughly cleaned aluminium flake obtained by above-mentioned steps, by drying baker with And thermantidote is dried and cooled down.
It is sufficient in order to ensure that can be carried out in coating process to anti-flaming dope in degreasing process with reference to shown in Fig. 2 Absorb, by the alkaline solution matched according to above-mentioned each solution, by aluminium flake placement and above-mentioned alkaline solution, it is ensured that aluminium The film layer that piece obtains in alkaline oxygenated liquid is softer, and corrosion resistance is poor, and porosity is higher, excellent adsorption, is adapted as application bottom Layer.
（2）Coating process flow：D, preparation：Step（1）Gained aluminium sheet, anti-flaming dope, mixer, air pressure membrane pump, spray Apply room, paint baking oven and ice water circulation heat exchanger.
E, application：Anti-flaming dope is stirred uniformly by I, by mixer, viscosity needed for anti-flaming dope is adjusted, by adding Add thickener, the control of anti-flaming dope viscosity will be used between 2000-2500mpa.s；II, is by using air pressure membrane pump conduct Power source is sprayed, using the finishing of aerial spraying, processing is dried in spray booth, water content is to air in reduction air The influence of spraying, is repeatedly sprayed, during spraying can by the Stress control of spraying between 70-89KG/cm2, spraying when Between control between 60s-85s so that anti-flaming dope is uniformly coated on aluminum flake surface in air pressure membrane pump；III, is by above-mentioned step Rapid gained aluminium flake is positioned over paint baking oven and carries out paint baking.
F, cool down：Aluminium flake obtained by step E is cooled down by ice water circulation heat exchanger, in order to collect；
With reference to shown in Fig. 3, selected according to required anti-flaming dope coating film thickness, the pressure of spraying and the time of spraying, really Protect good plastic-coated effect and uniformity coefficient.
（3）Combination process flow：G, preparation：Step（2）Gained aluminium flake, PE cores, cutter, electrostatic cleaner, PE plates Preheating furnace, macromolecule felted-membrane, polymeric membrane discharging device, hot stove, press, moist closet, ice water circulation heat exchanger and wind Machine coil pipe cooling furnace；
H, cut：Selected PE cores are cut by cutter, control PE cores size, respectively with upper and lower aluminium When piece is attached, it is easy to form the filling annular groove for being arranged at PE core the week side of boss in upper aluminium flake, PE cores, the connection of lower aluminium flake；
I, it is compound：PE section bars are carried out dust removal process by I, by electrostatic cleaner；II, is carried out by PE plates preheating furnace to PE cores Preheating, make between PE plates reach 90-120 DEG C, glued by carrying out covering macromolecule macromolecule felted-membrane discharging device to PE cores Conjunctiva, and by upper and lower aluminium sheet by upper and lower macromolecule felted-membrane together with PE core green tacks；III, is using hot stove to pre- The aluminium-plastic panel of fitting carries out being heated to 130-150 DEG C, the first composite roll, the second composite roll on by press, the first hot pressing Roller and the second hot-pressing roller are rolled, and the first composite roll is controlled into temperature between 102 DEG C -105 DEG C, the second composite roll Temperature is controlled between 120 DEG C -128 DEG C, the first hot-pressing roller controls temperature between 112 DEG C -115 DEG C, the control of the second hot-pressing roller Temperature is between 102-108 DEG C, and hot pressing control pressure is between 0.9-1.2MPa, and the aluminium-plastic panel after hot-pressing processing is carried out Placement and moist closet, by the temperature control of moist closet between 80 DEG C -100 DEG C, and are arranged on 40min-90min by soaking time Between, it is ensured that it is abundant bonding between upper and lower aluminium-plastic panel and PE cores；
J, cool down：Aluminium flake obtained by step I is cooled down by ice water circulation heat exchanger and fan coil cooling furnace, In order to collect.
With reference to shown in Fig. 4, it is controlled using above range, compound intensity can be caused to tend towards stability, and ensure The tensile strength of aluminium-plastic panel is controlled in 60-63kg/cm2.
（4）Reinforcement process flow：K, preparation：Step（3）Described aluminium-plastic panel, thermosetting resin and coating machine；
L, application：Thermosetting resin is filled in the storage cavity volume in coating machine, passes through the hydraulic pressure spray gun being arranged on coating machine The thermosetting resin stored in cavity volume is sprayed onto in filling annular groove, and 6h-12h is dried at 100 DEG C -200 DEG C；
M, it is molded：In the environment of pressure is 10Mpa-20Mpa, and by temperature control in 100 DEG C of -120 DEG C of insulation 1.5h-2h Shaping.
By using reinforcement process, thermosetting resin is filled with filling annular groove, then ensure that between upper and lower aluminium sheet Structural strength, it is ensured that good practical function.
And thermoset resin material is unsaturated polyester (UP), vinyl esters, epoxy resin, phenolic resin or polyimides tree Fat, set by setting using above-mentioned material, adhesive effect is good, and possesses heated not bating effect, and then improve aluminium sheet Between adhesive strength.
Embodiment 2
The present embodiment and embodiment 1 are essentially identical, unique the difference is that being step（1）Alkali in degreasing process in step B The mass concentration of each composition of property solution is sodium carbonate 50-60g/L, sodium chromate 15-20g/L and tertiary sodium phosphate 1.5-2g/ L, and in the environment of 92 DEG C, the duration between 8min-10min, makes aluminum flake surface form oxide-film, using by above-mentioned The film layer obtained in the alkaline oxygenated liquid of proportions is softer, and corrosion resistance is poor, and porosity is higher, excellent adsorption, improves Carry out the adsorption effect that plastic-coated is, it is ensured that good spraying effect.
Embodiment 3
The present embodiment and embodiment 1 are essentially identical, unique the difference is that being step（1）Alkali in degreasing process in step B The mass concentration of each composition of property solution is sodium carbonate 40-50g/L, sodium chromate 10-20g/L and sodium metasilicate 0.6-1g/L, And in the environment of 98 DEG C, the duration between 8min-10min, makes aluminum flake surface form oxide-film, using aforementioned proportion The film hardness obtained in the alkaline oxygenated liquid of proportioning is higher, and relative adsorption effect can be deteriorated.
By the step in embodiment 1,2,3（1）The aluminium flake as obtained by alkaline oxygenated method, it is immersed in 20g/L CrO3It is molten In liquid, 5~15s of Passivation Treatment, is then dried at a temperature of less than 50 DEG C at room temperature, then can improve corrosion resistant effect, really Good practicality is protected.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, those skilled in the art exists Common variations and alternatives are carried out in the range of technical solution of the present invention should all include within the scope of the present invention.

Claims (5)

  1. A kind of 1. production method of aluminium-plastic panel, it is characterised in that：The aluminium-plastic panel includes upper aluminium alloy layer, the centre being sequentially connected Layer and lower aluminium alloy layer, intermediate layer uses fire-retardant Substance P E plastic materials, and upper aluminium alloy layer and lower aluminium alloy layer spray Anti-flaming dope is scribbled, formed with the filling annular groove for being arranged at intermediate layer the week side of boss, filling between upper aluminium alloy layer and lower aluminium alloy layer Thermosetting resin is filled with annular groove, its production process comprises the following steps：（1）Degreasing process flow：A, preparation：Aluminium to be processed Piece, spray chamber, degreasing spray pump, a certain amount of alkalescent degreaser, brush roll, a certain amount of neutral degreaser, neutralization chamber, water Washing trough, electrolytic bath, drying baker and thermantidote；
    B, degreasing：Aluminium flake to be processed is delivered to spray chamber by I, using alkalescent degreaser, is carried out preliminary degreasing, is sprayed by degreasing Degreaser is sprayed on aluminium flake to be processed by leaching pump from pump line through nozzle；II, washes aluminium flake obtained by above-mentioned steps by brush roll The upper and lower surface of brush aluminium flake, and neutral degreaser is subjected to pressurization by degreasing spray pump and is sprayed onto on aluminium flake；III, is by above-mentioned steps Gained aluminium flake delivers to neutralization chamber, is dipped in the neutral degreaser in neutralization chamber, to reach the purpose of thorough degreasing；
    C, chemical conversion treatment：Aluminium flake obtained by step B is rinsed by I, by rinsing bowl；II, places aluminium flake obtained by above-mentioned steps In in electrolytic bath, by alkaline oxygenated method, the mass concentration of each composition is sodium carbonate 40-60g/ in used alkaline solution L, sodium chromate 15-25g/L and sodium hydroxide 2-5g/L, and in the environment of 85 DEG C -100 DEG C, the duration is in 5min- Between 8min, aluminum flake surface is set to form oxide-film；III, is thoroughly cleaned aluminium flake obtained by above-mentioned steps, by drying baker with And thermantidote is dried and cooled down.
    （2）Coating process flow：D, preparation：Step（1）Gained aluminium sheet, anti-flaming dope, mixer, air pressure membrane pump, spray booth, Paint baking oven and ice water circulation heat exchanger.
    E, application：Anti-flaming dope is stirred uniformly by I, by mixer, is adjusted viscosity needed for anti-flaming dope, is increased by adding Thick dose, the control of anti-flaming dope viscosity will be used between 2000-2500mpa.s；II, is by using air pressure membrane pump as spraying Power source, using the finishing of aerial spraying, processing is dried in spray booth, water content is to aerial spraying in reduction air Influence, repeatedly sprayed, can be by the Stress control of spraying between 70-89KG/cm2, the time control of spraying during spraying System is between 60s-85s so that anti-flaming dope is uniformly coated on aluminum flake surface in air pressure membrane pump；III, is by above-mentioned steps institute Obtain aluminium flake and be positioned over paint baking oven progress paint baking.
    F, cool down：Aluminium flake obtained by step E is cooled down by ice water circulation heat exchanger, in order to collect；
    （3）Combination process flow：G, preparation：Step（2）Gained aluminium flake, PE cores, cutter, electrostatic cleaner, the preheating of PE plates Stove, macromolecule felted-membrane, polymeric membrane discharging device, hot stove, press, moist closet, ice water circulation heat exchanger and fan unit Pipe cooling furnace；
    H, cut：Selected PE cores are cut by cutter, control PE cores size, respectively with upper and lower aluminium When piece is attached, it is easy to form the filling annular groove for being arranged at PE core the week side of boss in upper aluminium flake, PE cores, the connection of lower aluminium flake；
    I, it is compound：PE section bars are carried out dust removal process by I, by electrostatic cleaner；II, is carried out by PE plates preheating furnace to PE cores Preheating, make between PE plates reach 90-120 DEG C, glued by carrying out covering macromolecule macromolecule felted-membrane discharging device to PE cores Conjunctiva, and by upper and lower aluminium sheet by upper and lower macromolecule felted-membrane together with PE core green tacks；III, is using hot stove to pre- The aluminium-plastic panel of fitting carries out being heated to 130-150 DEG C, the first composite roll, the second composite roll on by press, the first hot pressing Roller and the second hot-pressing roller are rolled, and the first composite roll is controlled into temperature between 102 DEG C -105 DEG C, the second composite roll Temperature is controlled between 120 DEG C -128 DEG C, the first hot-pressing roller controls temperature between 112 DEG C -115 DEG C, the control of the second hot-pressing roller Temperature is between 102-108 DEG C, and hot pressing control pressure is between 0.9-1.2MPa, and the aluminium-plastic panel after hot-pressing processing is carried out Placement and moist closet, by the temperature control of moist closet between 80 DEG C -100 DEG C, and are arranged on 40min-90min by soaking time Between, it is ensured that it is abundant bonding between upper and lower aluminium-plastic panel and PE cores；
    J, cool down：Aluminium flake obtained by step I is cooled down by ice water circulation heat exchanger and fan coil cooling furnace, In order to collect.
    （4）Reinforcement process flow：K, preparation：Step（3）Described aluminium-plastic panel, thermosetting resin and coating machine；
    L, application：Thermosetting resin is filled in the storage cavity volume in coating machine, passes through the hydraulic pressure spray gun being arranged on coating machine The thermosetting resin stored in cavity volume is sprayed onto in filling annular groove, and 6h-12h is dried at 100 DEG C -200 DEG C；
    M, it is molded：In the environment of pressure is 10Mpa-20Mpa, and by temperature control in 100 DEG C of -120 DEG C of insulation 1.5h-2h Shaping.
  2. 2. a kind of production method of aluminium-plastic panel according to claim 1, it is characterized in that：The step（1）In degreasing process The mass concentration of each composition of alkaline solution in step B is sodium carbonate 50-60g/L, sodium chromate 15-20g/L and phosphoric acid Trisodium 1.5-2g/L, and in the environment of 90 DEG C -100 DEG C, the duration between 8min-10min, forms aluminum flake surface Oxide-film.
  3. 3. a kind of production method of aluminium-plastic panel according to claim 1, it is characterized in that：The step（1）In degreasing process The mass concentration of each composition of alkaline solution in step B is sodium carbonate 40-50g/L, sodium chromate 10-20g/L and silicic acid Sodium 0.6-1g/L, and in the environment of 90 DEG C -95 DEG C, the duration between 8min-10min, makes aluminum flake surface form oxygen Change film.
  4. 4. a kind of production method of aluminium-plastic panel according to claim 1 or 2 or 3, it is characterized in that：Carried out above-mentioned at chemical conversion The aluminium flake of gained is immersed in 20g/L CrO after reason3In solution, 5~15s of Passivation Treatment at room temperature, then in less than 50 DEG C temperature Lower drying.
  5. 5. a kind of production method of aluminium-plastic panel according to claim 1, it is characterized in that：The thermoset resin material is not Saturated polyester, vinyl esters, epoxy resin, phenolic resin or polyimide resin.
CN201710790676.9A 2017-09-05 2017-09-05 A kind of production method of aluminium-plastic panel Pending CN107471807A (en)

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CN108127993A (en) * 2017-12-20 2018-06-08 揭阳市运泰装饰材料有限公司 A kind of novel multilayer composite aluminium mould plate ornament materials
CN109049746A (en) * 2018-06-11 2018-12-21 台州市港泰铝塑板有限公司 The production technology of aluminium-plastic panel
CN109760295A (en) * 2019-01-28 2019-05-17 广州卓迅包装机械有限公司 The film covering method of sheet metal and pre- laminating machine
CN110421929A (en) * 2019-07-02 2019-11-08 安徽英标新材料科技有限公司 A kind of aluminium-plastic panel building decoration materials
CN111074182A (en) * 2019-10-10 2020-04-28 徐州一宁铝业科技有限公司 Stable aluminum alloy heat treatment method and aluminum alloy
CN111516360A (en) * 2020-02-10 2020-08-11 阜康富强园新型建材有限公司 Production process and manufacturing method of novel assembly type building environment-friendly composite board
CN112026182A (en) * 2020-08-24 2020-12-04 赵立夫 Production and processing technology of aluminum-plastic panel
CN114851605A (en) * 2022-05-10 2022-08-05 法狮龙家居建材股份有限公司 Production line and production method of flame-retardant double-sided aluminum-plastic plate
CN117841375A (en) * 2024-03-07 2024-04-09 乐美包装（昆山）有限公司 Dry type compounding process applied to aseptic packaging sheet

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Cited By (11)

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Publication number Priority date Publication date Assignee Title
CN108127993A (en) * 2017-12-20 2018-06-08 揭阳市运泰装饰材料有限公司 A kind of novel multilayer composite aluminium mould plate ornament materials
CN109049746A (en) * 2018-06-11 2018-12-21 台州市港泰铝塑板有限公司 The production technology of aluminium-plastic panel
CN109049746B (en) * 2018-06-11 2020-09-18 台州市港泰铝塑板有限公司 Production process of aluminum-plastic panel
CN109760295A (en) * 2019-01-28 2019-05-17 广州卓迅包装机械有限公司 The film covering method of sheet metal and pre- laminating machine
CN110421929A (en) * 2019-07-02 2019-11-08 安徽英标新材料科技有限公司 A kind of aluminium-plastic panel building decoration materials
CN111074182A (en) * 2019-10-10 2020-04-28 徐州一宁铝业科技有限公司 Stable aluminum alloy heat treatment method and aluminum alloy
CN111516360A (en) * 2020-02-10 2020-08-11 阜康富强园新型建材有限公司 Production process and manufacturing method of novel assembly type building environment-friendly composite board
CN112026182A (en) * 2020-08-24 2020-12-04 赵立夫 Production and processing technology of aluminum-plastic panel
CN114851605A (en) * 2022-05-10 2022-08-05 法狮龙家居建材股份有限公司 Production line and production method of flame-retardant double-sided aluminum-plastic plate
CN117841375A (en) * 2024-03-07 2024-04-09 乐美包装（昆山）有限公司 Dry type compounding process applied to aseptic packaging sheet
CN117841375B (en) * 2024-03-07 2024-05-07 乐美包装（昆山）有限公司 Dry type compounding process applied to aseptic packaging sheet

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Application publication date: 20171215