CN111452452A - Multilayer composite board containing aluminum honeycomb core and preparation process thereof - Google Patents

Multilayer composite board containing aluminum honeycomb core and preparation process thereof Download PDF

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Publication number
CN111452452A
CN111452452A CN202010160242.2A CN202010160242A CN111452452A CN 111452452 A CN111452452 A CN 111452452A CN 202010160242 A CN202010160242 A CN 202010160242A CN 111452452 A CN111452452 A CN 111452452A
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China
Prior art keywords
honeycomb core
parts
aluminum honeycomb
aluminum
plate
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CN202010160242.2A
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Chinese (zh)
Inventor
尹柏军
邹隆财
刘小演
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Dongguan Goodwood Co ltd
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Dongguan Goodwood Co ltd
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Priority to CN202010160242.2A priority Critical patent/CN111452452A/en
Publication of CN111452452A publication Critical patent/CN111452452A/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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/10—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • 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
    • 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
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • 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
    • B32B38/164—Drying
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • C09J163/10—Epoxy resins modified by unsaturated compounds
    • 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
    • B32B38/164—Drying
    • B32B2038/166—Removing moisture
    • 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
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention discloses a multilayer composite board containing an aluminum honeycomb core and a preparation process thereof. The composite board has the advantages of reducing the weight of the composite board by adopting the aluminum honeycomb core as the base material, along with high strength, good flexibility, sound and heat insulation, moisture resistance, strong shock resistance, good buffering performance, flame retardance, fire resistance and the like.

Description

Multilayer composite board containing aluminum honeycomb core and preparation process thereof
Technical Field
The invention belongs to the technical field of composite board processing, and particularly relates to a multilayer composite board containing an aluminum honeycomb core and a preparation process thereof.
Background
The composite board refers to a board formed by combining two or more materials, in fact, the concept and the manufacturing method of the composite board are different for boards made of different materials, the materials forming the composite board are various, the composite board can be used for ensuring the health of a user only by meeting the green environmental protection concept, and pollution is effectively reduced. In the prior art, single wood has general impact resistance, does not have good mildew-proof, bacteriostatic and fire-resistant functions, and has single function.
Disclosure of Invention
The invention aims to provide a multi-layer composite board containing an aluminum honeycomb core and a preparation process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multilayer composite sheet that contains aluminum honeycomb core, includes first plank (1), first metal sheet (2), aluminum honeycomb core (3), second metal sheet (4) and second plank (5), first plank (1) and second plank (5) set up respectively in the outermost both sides of the multilayer composite sheet that contains aluminum honeycomb core, first metal sheet (2) set up between first plank (1) and aluminum honeycomb core (3), second metal sheet (4) set up between aluminum honeycomb core (3) and second plank (5), aluminum honeycomb core (3) set up between first metal sheet (2) and second metal sheet (4).
Furthermore, the first wood board (1) and the second wood board (5) have the same specification, and the thickness of the first wood board is 0.2 mm-20 mm.
Furthermore, the thickness of the aluminum honeycomb core (3) is 5 mm-50 mm.
Furthermore, the first metal plate (2) and the second metal plate (4) have the same specification, and the thickness of the first metal plate and the thickness of the second metal plate are both 0.5 mm-1.5 mm.
Further, the wood board is any one of rosewood, ebony wood, double-branch wood, black walnut wood, teak, red cherry wood, red oak wood, ash wood, boxwood and beech wood.
Further, the metal plate is preferably an aluminum plate, but is not limited to a metal plate such as a copper plate, an iron plate, or a steel plate. The aluminum honeycomb core is any one of hexagon, trilateral, quadrangle and pentagon. The aluminum honeycomb core is adopted as a base material, so that the weight of the composite board is reduced, and the composite board has the characteristics of high strength, good flexibility, sound and heat insulation, moisture resistance, strong shock resistance, good buffering performance, flame retardance, fire resistance and the like.
Further, the aluminum plate and the aluminum honeycomb core are composed of the following raw materials in parts by weight: si: 1-2 parts, Fe: 1.2-1.8 parts, Cu: 1.0-1.6 parts, Mn: 0.1-1 part, Mg: 1-2 parts of Cr: 0.01-0.02 parts of Fe: 0.01-0.02 part, Zn: 0.7-1.7 parts of Ti: 0.04-0.08 parts of Zr: 0.2 to 0.8 portion and the balance of aluminum.
The preparation process of the aluminum plate comprises the following preparation steps:
s1, weighing the required ingredients according to the parts by weight, putting the ingredients into a smelting furnace, smelting at the temperature of 750 ℃, refining, degassing, slagging off and filtering, and casting aluminum liquid into aluminum alloy ingots;
s2, uniformly carrying out thermalization treatment on the aluminum alloy ingot obtained in the step S1, cutting off the head and the tail, and milling the surface to obtain a pretreated alloy ingot;
s3, preheating the pretreated alloy ingot obtained in the step S2, hot rolling the alloy ingot to a hot rolled plate with a certain thickness, and keeping the final hot rolling temperature at 450 ℃;
s4, annealing the hot rolled plate obtained by the hot rolling in the step S3 at the temperature of 350 ℃, and preserving heat for 5 hours;
and S5, cold rolling the plate processed in the step S4 to an aluminum plate with the finished thickness.
And (3) stamping the aluminum plate under a specific die to obtain the aluminum honeycomb core with the required shape.
Another object of the present invention is to provide a process for preparing the above multi-layer composite sheet containing an aluminum honeycomb core, which comprises the following steps:
1) treatment of wood boards
Polishing the surface layers of the first wood board (1), the aluminum honeycomb core (3) and the second wood board (5) which need to be bonded so as to flatten the wood boards, and baking the wood boards at 60-80 ℃ so as to enable the water content of the wood boards to be 8-12 wt%;
2) aluminum honeycomb core treatment
Carrying out chromizing treatment on the surface of the aluminum honeycomb core (3) by using double-alkali water, washing with water, and airing at normal temperature;
3) treatment of metal sheets
Polishing the upper and lower surface layers of a first metal plate (2) and a second metal plate (4) to enable the metal plates to be smooth and flat, then processing the smooth and flat metal plates into any one of granular shapes, reticulate shapes and stripe shapes which are uniformly arranged, wherein the depths of the granular shapes, the reticulate shapes and the stripe shapes are all 0.01-0.05 mm, then processing the surfaces of the processed metal plates by using double-alkaline water, then washing by water and airing at normal temperature;
4) composite board combination
a. Heating the first metal plate (2) and the second metal plate (4) processed in the step 3) to 60-80 ℃ for later use;
b. glue is evenly coated on the upper surface and the lower surface of a first metal plate (2) and a second metal plate (4), then a first wood plate (1), the first metal plate (2), an aluminum honeycomb core (3), the second metal plate (4) and a second wood plate (5) are overlapped in sequence and steadily, after 5 layers of the first wood plate, the first metal plate, the second metal plate and the second wood plate are overlapped, the first metal plate and the second metal plate are placed in a press position for pressing, the pressure of the press is 50 tons to 200 tons, and the pressing time is 5 hours to 12 hours, so that the multilayer composite board containing the aluminum honeycomb core is obtained.
Wherein, the surface of the aluminum honeycomb core and the surface of the metal plate are treated by the double-alkaline water, so that oil stains on the surfaces of the aluminum honeycomb core and the metal plate can be removed, the surfaces of the aluminum honeycomb core and the metal plate are hardened, and the deformation is prevented; the surface of the aluminum plate is processed into uniformly arranged particles (reticulate patterns, stripe patterns and the like), the depth can be 0.01 mm-0.05 mm, and the adhesive force between the metal plate and the wood plate and the aluminum honeycomb core can be enhanced.
Further, the glue is prepared from the following raw materials in parts by weight: 6-10 parts of polyvinyl alcohol, 20-30 parts of acrylic acid modified epoxy resin, 10-18 parts of acrylic acid urethane ester, 20-25 parts of bisphenol A epoxy resin, 5-10 parts of azodicarbonamide, 5-12 parts of nano titanium dioxide, 5-12 parts of nano zinc oxide, 10-18 parts of nano aluminum hydroxide, 8-12 parts of nano calcium carbonate, 3-8 parts of gamma-aminopropyl triethoxysilane, 10-15 parts of methyl methacrylate and 5-10 parts of ethylene glycol diglycidyl ether.
The preparation steps of the glue are as follows: mixing polyvinyl alcohol, acrylic acid modified epoxy resin, acrylic acid urethane ester, bisphenol A epoxy resin, nano titanium dioxide, nano zinc oxide, nano aluminum hydroxide, nano calcium carbonate, methyl methacrylate, gamma-aminopropyl triethoxysilane and ethylene glycol diglycidyl ether according to the parts by weight, and stirring for 1-2 hours at the rotation speed of 300-600 rpm; and then adding azodicarbonamide according to the required weight portion, and continuously stirring for 30min to obtain the glue.
Furthermore, the particle size of the nano titanium dioxide is 300-600nm, the particle size of the nano zinc oxide is 400-600nm, the particle size of the nano aluminum hydroxide is 400-600nm, and the particle size of the nano calcium carbonate is 500-800 nm.
The glue disclosed by the invention has excellent bonding strength, heat resistance and chemical corrosion resistance, is used for bonding porous material wood and surface smooth material metal, has excellent bonding force, and the bonded composite board does not crack for three years.
The invention has the technical effects and advantages that: the aluminum plate has good strength, the surface of the aluminum plate is processed into uniformly arranged particles (reticulate patterns, stripe patterns and the like), the adhesive force between the aluminum plate and the wood plate can be enhanced, and the prepared multilayer composite plate is overlong and does not deform; the aluminum honeycomb core is adopted as a base material, so that the weight of the composite board is reduced, and the composite board has the characteristics of high strength, good flexibility, sound and heat insulation, moisture resistance, strong shock resistance, good buffering performance, flame retardance, fire resistance and the like; the particle size of the nano titanium dioxide is 300-600nm, the particle size of the nano zinc oxide is 400-600nm, the particle size of the nano aluminum hydroxide is 400-600nm, the particle size of the nano calcium carbonate is 500-800nm, the nano titanium dioxide and the nano zinc oxide have the antibacterial function, and the antibacterial function of the wood board coating layer is realized by introducing the nano titanium dioxide and the nano zinc oxide into the glue; the fluidity of the glue is increased and the surface tension of the glue is reduced by adding the nano titanium dioxide, the nano zinc oxide, the nano aluminum hydroxide and the nano calcium carbonate; the addition of the nano aluminum hydroxide and the nano calcium carbonate also improves the heat resistance of the glue, so that the composite board has certain flame retardant property.
Drawings
FIG. 1 is a schematic structural view of a composite panel according to the present invention;
FIG. 2 is a hexagonal aluminum honeycomb core.
In the figure: 1-a first wood board; 2-a first metal plate; 3-aluminum honeycomb core; 4-a second metal plate; 5-
Second wood board
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 and 2 in the embodiments of the present invention, 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.
Example 1
The utility model provides a multilayer composite sheet that contains aluminum honeycomb core, includes first plank (1), first metal sheet (2), aluminum honeycomb core (3), second metal sheet (4) and second plank (5), first plank (1) and second plank (5) set up respectively in the outermost both sides of the multilayer composite sheet that contains aluminum honeycomb core, first metal sheet (2) set up between first plank (1) and aluminum honeycomb core (3), second metal sheet (4) set up between aluminum honeycomb core (3) and second plank (5), aluminum honeycomb core (3) set up between first metal sheet (2) and second metal sheet (4).
The first wood board (1) and the second wood board (5) are identical in specification, and the thickness of each wood board is 0.2 mm.
The thickness of the aluminum honeycomb core (3) is 5 mm.
The first metal plate (2) and the second metal plate (4) are the same in specification, and the thickness of each metal plate is 0.5 mm.
The wood board is rosewood.
The metal plate is an aluminum plate. The aluminum honeycomb core is hexagonal.
The aluminum plate and the aluminum honeycomb core are composed of the following raw materials in parts by weight: si: 1 part, Fe: 1.2 parts, Cu: 1.0 part, Mn: 0.1 part, Mg: 1 part of Cr: 0.01 part, Fe: 0.01 part, Zn: 0.7 part, Ti: 0.04 part, Zr: 0.2 part, and the balance of aluminum.
The preparation process of the aluminum plate comprises the following preparation steps:
s1, weighing the required ingredients according to the parts by weight, putting the ingredients into a smelting furnace, smelting at the temperature of 750 ℃, refining, degassing, slagging off and filtering, and casting aluminum liquid into aluminum alloy ingots;
s2, uniformly carrying out thermalization treatment on the aluminum alloy ingot obtained in the step S1, cutting off the head and the tail, and milling the surface to obtain a pretreated alloy ingot;
s3, preheating the pretreated alloy ingot obtained in the step S2, hot rolling the alloy ingot to a hot rolled plate with a certain thickness, and keeping the final hot rolling temperature at 450 ℃;
s4, annealing the hot rolled plate obtained by the hot rolling in the step S3 at the temperature of 350 ℃, and preserving heat for 5 hours;
and S5, cold rolling the plate processed in the step S4 to an aluminum plate with the finished thickness.
And (3) stamping the aluminum plate under a specific die to obtain the aluminum honeycomb core with the required shape.
The preparation process of the multilayer composite board containing the aluminum honeycomb core comprises the following steps:
1) treatment of wood boards
Polishing the surface layers of the first wood board (1), the aluminum honeycomb core (3) and the second wood board (5) which need to be bonded so as to flatten the wood boards, and baking the wood boards at 60 ℃ so as to enable the water content of the wood boards to be 8 wt%;
2) aluminum honeycomb core treatment
Carrying out chromizing treatment on the surface of the aluminum honeycomb core (3) by using double-alkali water, washing with water, and airing at normal temperature;
3) treatment of metal sheets
Polishing the upper and lower surface layers of the first metal plate (2) and the second metal plate (4) to enable the metal plates to be smooth and flat, processing the smooth and flat metal plates into uniformly-arranged particles with the depth of 0.01mm, processing the surfaces of the processed metal plates by using double-alkaline water, washing with water, and airing at normal temperature;
4) composite board combination
a. Heating the first metal plate (2) and the second metal plate (4) processed in the step 3) to 60 ℃ for standby;
b. glue is evenly coated on the upper surface and the lower surface of a first metal plate (2) and a second metal plate (4), then a first wood plate (1), the first metal plate (2), an aluminum honeycomb core (3), the second metal plate (4) and a second wood plate (5) are overlapped in sequence and stably, after 5 layers are overlapped, the composite board is placed in a press position for pressing, the pressure of the press is 50 tons, and the pressing time is 5 hours, so that the multilayer composite board containing the aluminum honeycomb core is obtained.
The glue is prepared from the following raw materials in parts by weight: 6 parts of polyvinyl alcohol, 20 parts of acrylic acid modified epoxy resin, 10 parts of acrylic acid urethane ester, 20 parts of bisphenol A epoxy resin, 5 parts of azodicarbonamide, 5 parts of nano titanium dioxide, 5 parts of nano zinc oxide, 10 parts of nano aluminum hydroxide, 8 parts of nano calcium carbonate, 3 parts of gamma-aminopropyl triethoxysilane, 10 parts of methyl methacrylate and 5 parts of ethylene glycol diglycidyl ether. The particle size of the nano titanium dioxide is 300nm, the particle size of the nano zinc oxide is 400nm, the particle size of the nano aluminum hydroxide is 400nm, and the particle size of the nano calcium carbonate is 500 nm.
Example 2
The utility model provides a multilayer composite sheet that contains aluminum honeycomb core, includes first plank (1), first metal sheet (2), aluminum honeycomb core (3), second metal sheet (4) and second plank (5), first plank (1) and second plank (5) set up respectively in the outermost both sides of the multilayer composite sheet that contains aluminum honeycomb core, first metal sheet (2) set up between first plank (1) and aluminum honeycomb core (3), second metal sheet (4) set up between aluminum honeycomb core (3) and second plank (5), aluminum honeycomb core (3) set up between first metal sheet (2) and second metal sheet (4).
The first wood board (1) and the second wood board (5) are identical in specification, and the thickness of each wood board is 10 mm.
The thickness of the aluminum honeycomb core (3) is 25 mm.
The first metal plate (2) and the second metal plate (4) are the same in specification, and the thickness of each metal plate is 1 mm.
The wood board is beech.
The metal plate is an aluminum plate. The aluminum honeycomb core is hexagonal.
The aluminum plate and the aluminum honeycomb core are composed of the following raw materials in parts by weight: si: 2 parts, Fe: 1.6 parts, Cu: 1.3 parts, Mn: 0.5 part, Mg: 2 parts of Cr: 0.02 part, Fe: 0.02 part, Zn: 1 part, Ti: 0.06 part, Zr: 0.6 part, and the balance of aluminum.
The preparation process of the aluminum plate comprises the following preparation steps:
s1, weighing the required ingredients according to the parts by weight, putting the ingredients into a smelting furnace, smelting at the temperature of 750 ℃, refining, degassing, slagging off and filtering, and casting aluminum liquid into aluminum alloy ingots;
s2, uniformly carrying out thermalization treatment on the aluminum alloy ingot obtained in the step S1, cutting off the head and the tail, and milling the surface to obtain a pretreated alloy ingot;
s3, preheating the pretreated alloy ingot obtained in the step S2, hot rolling the alloy ingot to a hot rolled plate with a certain thickness, and keeping the final hot rolling temperature at 450 ℃;
s4, annealing the hot rolled plate obtained by the hot rolling in the step S3 at the temperature of 350 ℃, and preserving heat for 5 hours;
and S5, cold rolling the plate processed in the step S4 to an aluminum plate with the finished thickness.
And (3) stamping the aluminum plate under a specific die to obtain the aluminum honeycomb core with the required shape.
The preparation process of the multilayer composite board containing the aluminum honeycomb core comprises the following steps:
1) treatment of wood boards
Polishing the surface layers of the first wood board (1), the aluminum honeycomb core (3) and the second wood board (5) which need to be bonded so as to flatten the wood boards, and baking the wood boards at 70 ℃ so as to enable the water content of the wood boards to be 10 wt%;
2) aluminum honeycomb core treatment
Carrying out chromizing treatment on the surface of the aluminum honeycomb core (3) by using double-alkali water, washing with water, and airing at normal temperature;
3) treatment of metal sheets
Polishing the upper and lower surface layers of the first metal plate (2) and the second metal plate (4) to enable the metal plates to be smooth and flat, then processing the surface of the smooth and flat metal plates into a uniformly-arranged reticulate pattern, wherein the depth of the reticulate pattern is 0.03mm, then processing the surface of the processed metal plates by using double-alkaline water, then washing with water, and airing at normal temperature;
4) composite board combination
a. Heating the first metal plate (2) and the second metal plate (4) processed in the step 3) to 70 ℃ for later use;
b. glue is evenly coated on the upper surface and the lower surface of a first metal plate (2) and a second metal plate (4), then a first wood plate (1), the first metal plate (2), an aluminum honeycomb core (3), the second metal plate (4) and a second wood plate (5) are overlapped in sequence and stably, after 5 layers are overlapped, the composite board is placed in a press position for pressing, the pressure of the press is 100 tons, and the pressing time is 8 hours, so that the multilayer composite board containing the aluminum honeycomb core is obtained.
The glue is prepared from the following raw materials in parts by weight: 8 parts of polyvinyl alcohol, 25 parts of acrylic acid modified epoxy resin, 14 parts of acrylic acid urethane ester, 22 parts of bisphenol A epoxy resin, 8 parts of azodicarbonamide, 8 parts of nano titanium dioxide, 8 parts of nano zinc oxide, 14 parts of nano aluminum hydroxide, 10 parts of nano calcium carbonate, 5 parts of gamma-aminopropyl triethoxysilane, 12 parts of methyl methacrylate and 8 parts of ethylene glycol diglycidyl ether. The particle size of the nano titanium dioxide is 450nm, the particle size of the nano zinc oxide is 500nm, the particle size of the nano aluminum hydroxide is 500nm, and the particle size of the nano calcium carbonate is 600 nm.
Example 3
The utility model provides a multilayer composite sheet that contains aluminum honeycomb core, includes first plank (1), first metal sheet (2), aluminum honeycomb core (3), second metal sheet (4) and second plank (5), first plank (1) and second plank (5) set up respectively in the outermost both sides of the multilayer composite sheet that contains aluminum honeycomb core, first metal sheet (2) set up between first plank (1) and aluminum honeycomb core (3), second metal sheet (4) set up between aluminum honeycomb core (3) and second plank (5), aluminum honeycomb core (3) set up between first metal sheet (2) and second metal sheet (4).
The first wood board (1) and the second wood board (5) are the same in specification, and the thickness of each wood board is 20 mm.
The thickness of the aluminum honeycomb core (3) is 50 mm.
The first metal plate (2) and the second metal plate (4) are the same in specification, and the thickness of each metal plate is 1.5 mm.
The wood board is black walnut.
The metal plate is an aluminum plate, and the aluminum honeycomb core is hexagonal.
The aluminum plate and the aluminum honeycomb core are composed of the following raw materials in parts by weight: si: 2 parts, Fe: 1.8 parts, Cu: 1.6 parts, Mn: 1 part, Mg: 2 parts of Cr: 0.02 part, Fe: 0.02 part, Zn: 1.7 parts, Ti: 0.08 parts, Zr: 0.8 portion and the balance of aluminum.
The preparation process of the aluminum plate comprises the following preparation steps:
s1, weighing the required ingredients according to the parts by weight, putting the ingredients into a smelting furnace, smelting at the temperature of 750 ℃, refining, degassing, slagging off and filtering, and casting aluminum liquid into aluminum alloy ingots;
s2, uniformly carrying out thermalization treatment on the aluminum alloy ingot obtained in the step S1, cutting off the head and the tail, and milling the surface to obtain a pretreated alloy ingot;
s3, preheating the pretreated alloy ingot obtained in the step S2, hot rolling the alloy ingot to a hot rolled plate with a certain thickness, and keeping the final hot rolling temperature at 450 ℃;
s4, annealing the hot rolled plate obtained by the hot rolling in the step S3 at the temperature of 350 ℃, and preserving heat for 5 hours;
and S5, cold rolling the plate processed in the step S4 to an aluminum plate with the finished thickness.
And (3) stamping the aluminum plate under a specific die to obtain the aluminum honeycomb core with the required shape.
The preparation process of the multilayer composite board containing the aluminum honeycomb core comprises the following steps:
1) treatment of wood boards
Polishing the surface layers of the first wood board (1), the aluminum honeycomb core (3) and the second wood board (5) which need to be bonded so as to flatten the wood boards, and baking the wood boards at 80 ℃ so as to enable the water content of the wood boards to be 12 wt%;
2) aluminum honeycomb core treatment
Carrying out chromizing treatment on the surface of the aluminum honeycomb core (3) by using double-alkali water, washing with water, and airing at normal temperature;
3) treatment of metal sheets
Polishing the upper and lower surface layers of the first metal plate (2) and the second metal plate (4) to enable the metal plates to be smooth and flat, then processing the surfaces of the smooth and flat metal plates into uniformly arranged stripes, wherein the depths of the stripes are 0.05mm, then processing the surfaces of the processed metal plates by using double-alkaline water, then washing with water and airing at normal temperature;
4) composite board combination
a. Heating the first metal plate (2) and the second metal plate (4) processed in the step 3) to 80 ℃ for standby.
b. Glue is evenly coated on the upper surface and the lower surface of a first metal plate (2) and a second metal plate (4), then a first wood plate (1), the first metal plate (2), an aluminum honeycomb core (3), the second metal plate (4) and a second wood plate (5) are overlapped in sequence and stably, after 5 layers are overlapped, the composite board is placed in a press position for pressing, the pressure of the press is 200 tons, and the pressing time is 12 hours, so that the multilayer composite board containing the aluminum honeycomb core is obtained.
The glue is prepared from the following raw materials in parts by weight: 10 parts of polyvinyl alcohol, 30 parts of acrylic acid modified epoxy resin, 18 parts of acrylic acid urethane ester, 25 parts of bisphenol A epoxy resin, 10 parts of azodicarbonamide, 12 parts of nano titanium dioxide, 12 parts of nano zinc oxide, 18 parts of nano aluminum hydroxide, 12 parts of nano calcium carbonate, 8 parts of gamma-aminopropyl triethoxysilane, 15 parts of methyl methacrylate and 10 parts of ethylene glycol diglycidyl ether. The particle size of the nano titanium dioxide is 600nm, the particle size of the nano zinc oxide is 600nm, the particle size of the nano aluminum hydroxide is 600nm, and the particle size of the nano calcium carbonate is 800 nm.
Comparative example 1
Comparative example 1 differs from examples 1-3 in that the aluminum sheet used was a conventional commercially available aluminum sheet.
Comparative example 2
Comparative example 2 differs from example 2 in that the glue used is a normal commercial glue.
Comparative example 3
Comparative example 3 differs from example 2 in that the glue used is non-nanoscale with respect to the addition of aluminium hydroxide and calcium carbonate.
Comparative example 4
The difference between the comparative example 4 and the example 2 is that the glue is not added with nano titanium dioxide and nano zinc oxide.
Comparative example 5
Comparative example 5 differs from example 2 in that a wood board of the same thickness was used between the first and second aluminum sheets, instead of the aluminum honeycomb core.
The performance of the aluminum plate prepared according to the component content of the aluminum plate in the examples 1 to 3 was measured; as shown in table 1:
TABLE 1
Example 1 Example 2 Example 3 Comparative example 1
Tensile strength MPa 345 347 349 253
Yield strength 253 255 250 214
Notched impact Strength (KJ/M)2) 38 36 35 28
As can be seen from table 1, the aluminum sheets of the present invention have excellent tensile, yield strength and impact strength.
The glue prepared in examples 1-3 and comparative examples 2-4 of the present invention was cured at 100 ℃ and tested for various properties, and the results are shown in the following table 2:
TABLE 2
Figure RE-GDA0002528087440000141
Table 3 shows the tests of the antibacterial (Staphylococcus aureus ATCC6538) ability of the glued wood areas after pressing of examples 1 to 3 and comparative examples 2 to 5:
TABLE 3
Figure RE-GDA0002528087440000142
Figure RE-GDA0002528087440000151
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (10)

1. A multilayer composite board containing aluminum honeycomb core is characterized in that: including first plank (1), first metal sheet (2), aluminum honeycomb core (3), second metal sheet (4) and second plank (5), first plank (1) and second plank (5) set up respectively in multilayer composite board's outermost both sides, first metal sheet (2) set up between first plank (1) and aluminum honeycomb core (3), second metal sheet (4) set up between aluminum honeycomb core (3) and second plank (5), aluminum honeycomb core (3) set up between first metal sheet (2) and second metal sheet (4).
2. The multi-layer composite panel comprising an aluminum honeycomb core of claim 1, wherein: the first wood board (1) and the second wood board (5) have the same specification, and the thickness of the first wood board is 0.2 mm-20 mm.
3. The multi-layer composite panel comprising an aluminum honeycomb core of claim 2, wherein: the thickness of the aluminum honeycomb core (3) is 5 mm-50 mm.
4. The multi-layer composite panel comprising an aluminum honeycomb core of claim 1, wherein: the first metal plate (2) and the second metal plate (4) have the same specification, and the thickness of the first metal plate is 0.5-1.5 mm.
5. The multi-layer composite panel comprising an aluminum honeycomb core of claim 1, wherein: the wood board is any one of rosewood, ebony, double-branch wood, black walnut, teak, red cherry, red oak, ash wood, boxwood and beech.
6. The multi-layer composite panel comprising an aluminum honeycomb core of claim 1, wherein: the metal plate is an aluminum plate, and the aluminum honeycomb core is any one of a hexagon, a trilateral, a quadrangle and a pentagon.
7. The multi-layer composite panel comprising an aluminum honeycomb core of claim 6, wherein: the aluminum plate and the aluminum honeycomb core are respectively composed of the following raw materials in parts by weight: si: 1-2 parts, Fe: 1.2-1.8 parts, Cu: 1.0-1.6 parts, Mn: 0.1-1 part, Mg: 1-2 parts of Cr: 0.01-0.02 parts of Fe: 0.01-0.02 part, Zn: 0.7-1.7 parts of Ti: 0.04-0.08 parts of Zr: 0.2 to 0.8 portion and the balance of aluminum.
8. The multi-layer composite panel comprising an aluminum honeycomb core of claim 7, wherein: the preparation process of the aluminum plate comprises the following preparation steps:
s1, weighing the required ingredients according to the parts by weight, putting the ingredients into a smelting furnace, smelting at the temperature of 750 ℃, refining, degassing, slagging off and filtering, and casting aluminum liquid into aluminum alloy ingots;
s2, uniformly carrying out thermalization treatment on the aluminum alloy ingot obtained in the step S1, cutting off the head and the tail, and milling the surface to obtain a pretreated alloy ingot;
s3, preheating the pretreated alloy ingot obtained in the step S2, hot rolling the alloy ingot to a hot rolled plate with a certain thickness, and keeping the final hot rolling temperature at 450 ℃;
s4, annealing the hot rolled plate obtained by the hot rolling in the step S3 at the temperature of 350 ℃, and preserving heat for 5 hours;
and S5, cold rolling the plate processed in the step S4 to an aluminum plate with the finished thickness.
9. A process for preparing an aluminum honeycomb core containing multilayer composite panel according to any one of claims 1 to 8, comprising the steps of:
1) treatment of wood boards
Polishing the surface layers of the first wood board (1) and the second wood board (5) which need to be bonded to enable the wood boards to be flat, and baking the wood boards at 60-80 ℃ to enable the water content of the wood boards to be 8-12 wt%;
2) aluminum honeycomb core treatment
Carrying out chromizing treatment on the surface of the aluminum honeycomb core (3) by using double-alkali water, washing with water, and airing at normal temperature;
3) treatment of metal sheets
Polishing the upper and lower surface layers of a first metal plate (2) and a second metal plate (4) to enable the metal plates to be smooth and flat, then processing the smooth and flat metal plates into any one of granular shapes, reticulate shapes and stripe shapes which are uniformly arranged, wherein the depths of the granular shapes, the reticulate shapes and the stripe shapes are all 0.01-0.05 mm, then processing the surfaces of the processed metal plates by using double-alkaline water, then washing by water and airing at normal temperature;
4) composite board combination
a. Heating the first metal plate (2) and the second metal plate (4) processed in the step 3) to 60-80 ℃ for later use;
b. glue is evenly coated on the upper surface and the lower surface of a first metal plate (2) and a second metal plate (4), then a first wood plate (1), the first metal plate (2), an aluminum honeycomb core (3), the second metal plate (4) and a second wood plate (5) are overlapped in sequence and steadily, after 5 layers of the first wood plate, the first metal plate, the second metal plate and the second wood plate are overlapped, the first metal plate and the second metal plate are placed in a press position for pressing, the pressure of the press is 50 tons to 200 tons, and the pressing time is 5 hours to 12 hours, so that the multilayer composite board containing the aluminum honeycomb core is obtained.
10. The process for preparing the multi-layer composite board containing the aluminum honeycomb core according to the claim 9, wherein the glue is composed of the following raw materials in parts by weight: 6-10 parts of polyvinyl alcohol, 20-30 parts of acrylic acid modified epoxy resin, 10-18 parts of acrylic acid urethane ester, 20-25 parts of bisphenol A epoxy resin, 5-10 parts of azodicarbonamide, 5-12 parts of nano titanium dioxide, 5-12 parts of nano zinc oxide, 10-18 parts of nano aluminum hydroxide, 8-12 parts of nano calcium carbonate, 3-8 parts of gamma-aminopropyl triethoxysilane, 10-15 parts of methyl methacrylate and 5-10 parts of ethylene glycol diglycidyl ether.
CN202010160242.2A 2020-03-10 2020-03-10 Multilayer composite board containing aluminum honeycomb core and preparation process thereof Pending CN111452452A (en)

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