CN112143387A - High-molecular bonding film for aluminum honeycomb plate, preparation method and aluminum honeycomb plate - Google Patents
High-molecular bonding film for aluminum honeycomb plate, preparation method and aluminum honeycomb plate Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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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
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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
- 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
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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
- 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
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- 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
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- 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
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C09J123/0815—Copolymers of ethene with aliphatic 1-olefins
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- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
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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
- 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
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- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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 provides a high-molecular adhesive film for an aluminum honeycomb plate, a preparation method and the aluminum honeycomb plate. The high-molecular adhesive film for the aluminum honeycomb plate comprises the following components: thermoplastic rubber, LLDPE, a cross-linking agent, maleic anhydride, POE, hydride C5, a flame retardant and an antioxidant. The preparation method comprises the following steps in sequence: batching, preparing primary master batch, preparing bonding material master batch and preparing a high-molecular bonding film. The aluminum honeycomb panel comprises an aluminum panel, a high-molecular adhesive film and a honeycomb core. The invention adopts the macromolecule adhesive film to replace the original solvent type hot-melt glue, thereby saving energy, protecting environment, having no pollution and being harmless to human body. The high-molecular adhesive film has flame retardance and is safer and more reliable. The aluminum panel and the honeycomb core are bonded and fixed through the polymer bonding film, the bonding area is larger, and the bonding effect is better. The aluminum honeycomb plate has better heat preservation and heat insulation effects. And the production cost is low, the preparation is simple, and the yield can be effectively improved.
Description
Technical Field
The invention relates to the field of novel material application, in particular to a high-molecular bonding film for an aluminum honeycomb panel, a preparation method and the aluminum honeycomb panel.
Background
The aluminum honeycomb plate is a material used in aviation and aerospace technology, is also applied to civil buildings, vehicle and ship decorations and the like at present, and is an application of aviation and aerospace materials in the field of civil buildings. The aluminum honeycomb plate is an aluminum hexagonal honeycomb in the center, has low density, has the advantages of light weight, sound insulation, heat insulation, nonflammability, water resistance, moisture resistance, no harmful gas release, high specific strength of unit mass, high specific stiffness, difficult deformation and the like, and is widely applied to industries such as buildings, furniture and the like.
The aluminum panel and the honeycomb core of the aluminum honeycomb panel are generally bonded mainly by solvent type hot melt glue, and the hot melt glue has high cost and is not environment-friendly.
Disclosure of Invention
In order to solve the technical problems in the prior art, an object of the present invention is to provide a polymer adhesive film for aluminum honeycomb panels, which replaces the original solvent type hot melt glue, and is energy-saving, environment-friendly and pollution-free.
The invention also aims to provide a preparation method of the high-molecular adhesive film for the aluminum honeycomb panel, which has low cost and simple preparation and can effectively improve the yield.
The third purpose of the invention is to provide the aluminum honeycomb panel, the high-molecular bonding film is adopted for replacing the original solvent type hot-melt adhesive, the aluminum honeycomb panel is energy-saving, environment-friendly and pollution-free, and the high-molecular bonding film has flame retardance and is safer.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a high-molecular adhesive film for an aluminum honeycomb plate is prepared from the following raw materials in parts by weight: 35-45 parts of thermoplastic rubber, 55-60 parts of LLDPE, 0.01-0.1 part of cross-linking agent, 1-2 parts of maleic anhydride, 9-13 parts of POE, 53-7 parts of hydride C, 0.5-1.5 parts of flame retardant and 0.25-0.75 part of antioxidant.
Preferably, the flame retardant is one or more of nitrogen-phosphorus halogen-free flame retardant, aluminum hydroxide and magnesium hydroxide.
Preferably, the cross-linking agent is one of dibenzoyl peroxide, dilauroyl peroxide, dicumyl peroxide and di-tert-butyl hexane peroxide.
Preferably, the antioxidant is one or any combination of antioxidant B215, antioxidant 1010, antioxidant 168 and antioxidant DLTP.
A preparation method of a high-molecular adhesive film for an aluminum honeycomb plate comprises the following steps:
s1, batching: firstly, mixing thermoplastic rubber, LLDPE, a cross-linking agent and maleic anhydride according to the weight part ratio to prepare a mixed material;
s2, preparing a primary master batch: pouring the materials into a high-speed stirrer to be uniformly mixed and stirred at a high speed, heating the temperature to 75-85 ℃, adding the uniformly mixed materials into a screw reaction extruder to perform reaction extrusion, bracing, cooling, blow-drying and granulating to prepare primary master batches;
s3, preparing a bonding material master batch: firstly, adding POE, hydride C5, a flame retardant and an antioxidant in parts by weight and the primary master batch into a high-speed stirrer for high-speed uniform mixing and stirring, then adding the uniformly mixed material into an extruder for reaction extrusion and grain cutting to prepare the bonding material master batch;
s4, preparing a high-molecular adhesive film: and (3) carrying out three-layer co-extrusion film blowing, forming, cooling and coiling on the master batch of the bonding material to prepare the high-molecular bonding film.
Preferably, in the step S2, the extrusion temperature is 160-165 ℃, the strand pulling temperature is 165-170 ℃, the cooling temperature is 170-175 ℃, the blow-drying temperature is 175-180 ℃, and the grain cutting temperature is 175-180 ℃.
Preferably, the temperature of the extrusion and the granulation in the step S3 is 155-185 ℃.
The aluminum honeycomb plate comprises an aluminum panel, a high-molecular bonding film and a honeycomb core, wherein two sides of the honeycomb core are respectively connected with the aluminum panel through the high-molecular bonding film, and the thickness of the high-molecular bonding film is 3-30 threads.
The invention has the beneficial effects that: the high-molecular adhesive film is adopted to replace the original solvent type hot-melt adhesive, so that the energy is saved, the environment is protected, no pollution is caused, and no harm is caused to human bodies. The traditional glue is easy to burn, and the high-molecular bonding film disclosed by the invention has flame retardance and is safer and more reliable. The aluminum panel and the honeycomb core are bonded and fixed through the polymer bonding film, the bonding area is larger, and the bonding effect is better. The polymer adhesive film has the functions of heat preservation and heat insulation, so that the aluminum honeycomb plate has better heat preservation and heat insulation effects. And the production cost is low, the preparation is simple, and the yield can be effectively improved.
Drawings
FIG. 1 is a front view of an aluminum honeycomb panel of the present invention.
Fig. 2 is a schematic structural view of an aluminum honeycomb panel of the present invention.
Wherein, 1, aluminum panel, 2, macromolecule adhesive film, 3, honeycomb core.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1:
a high-molecular adhesive film for an aluminum honeycomb plate is prepared from the following raw materials in parts by weight: 40 parts of thermoplastic rubber, 58.45 parts of LLDPE, 0.05 part of dicumyl peroxide, 1.5 parts of maleic anhydride, 11 parts of POE, 55 parts of hydride C, 1 part of aluminum hydroxide and 1680.5 part of antioxidant.
The preparation method of the high-molecular adhesive film for the aluminum honeycomb panel comprises the following steps:
s1, batching: firstly, mixing thermoplastic rubber, LLDPE, dicumyl peroxide and maleic anhydride according to the weight part ratio to prepare a mixed material;
s2, preparing a primary master batch: pouring the materials into a high-speed stirrer to be uniformly mixed and stirred at a high speed, heating the temperature to 80 ℃, adding the uniformly mixed materials into a screw reaction extruder to perform reaction extrusion, bracing, cooling, blow-drying and grain cutting to prepare primary master batches;
s3, preparing a bonding material master batch: firstly, adding POE, hydride C5, aluminum hydroxide and an antioxidant 168 and the primary master batch into a high-speed stirrer according to the weight part ratio, uniformly mixing and stirring at a high speed, then adding the uniformly mixed material into an extruder, and carrying out reaction extrusion and grain cutting to prepare the bonding material master batch;
s4, preparing a high-molecular adhesive film: and (3) carrying out three-layer co-extrusion film blowing, forming, cooling and coiling on the master batch of the bonding material to prepare the high-molecular bonding film.
In the step S2, the extrusion temperature is 163 ℃, the bracing temperature is 168 ℃, the cooling temperature is 173 ℃, the blow-drying temperature is 178 ℃ and the pelletizing temperature is 178 ℃. The temperature of the extrusion and the dicing in the step S3 was 170 ℃.
An aluminum honeycomb panel comprises an aluminum panel 1, a polymer adhesive film 2 and a honeycomb core 3, wherein two sides of the honeycomb core 3 are respectively connected with the aluminum panel 1 through the polymer adhesive film 2. The thickness of the polymer adhesive film 2 was 16 filaments.
Example 2:
a high-molecular adhesive film for an aluminum honeycomb plate is prepared from the following raw materials in parts by weight: 35 parts of thermoplastic rubber, 55 parts of LLDPE, 0.01 part of dibenzoyl peroxide, 1 part of maleic anhydride, 9 parts of POE, 53 parts of hydride C, 0.25 part of aluminum hydroxide, 0.25 part of magnesium hydroxide and 2150.25 parts of antioxidant B.
The preparation method of the high-molecular adhesive film for the aluminum honeycomb panel comprises the following steps:
s1, batching: firstly, mixing thermoplastic rubber, LLDPE, dibenzoyl peroxide and maleic anhydride according to the weight part ratio to prepare a mixed material;
s2, preparing a primary master batch: pouring the materials into a high-speed stirrer to be uniformly mixed and stirred at a high speed, heating the temperature to 75 ℃, adding the uniformly mixed materials into a screw reaction extruder to perform reaction extrusion, bracing, cooling, blow-drying and grain cutting to prepare primary master batches;
s3, preparing a bonding material master batch: firstly, adding POE, hydride C5, aluminum hydroxide, magnesium hydroxide and antioxidant B215 in parts by weight and the primary master batch into a high-speed stirrer to be uniformly mixed and stirred at a high speed, then adding the uniformly mixed material into an extruder to be subjected to reaction extrusion and grain cutting to prepare bonding material master batch;
s4, preparing a high-molecular adhesive film: and (3) carrying out three-layer co-extrusion film blowing, forming, cooling and coiling on the master batch of the bonding material to prepare the high-molecular bonding film.
In the step S2, the extrusion temperature is 160 ℃, the strip temperature is 165 ℃, the cooling temperature is 170 ℃, the blow-drying temperature is 175 ℃, and the grain cutting temperature is 175 ℃. The temperature of the extrusion and the dicing in the step S3 was 155 ℃.
An aluminum honeycomb panel comprises an aluminum panel 1, a polymer adhesive film 2 and a honeycomb core 3, wherein two sides of the honeycomb core 3 are respectively connected with the aluminum panel 1 through the polymer adhesive film 2. The thickness of the polymer adhesive film 2 was 3 filaments.
Example 3:
a high-molecular adhesive film for an aluminum honeycomb plate is prepared from the following raw materials in parts by weight: 45 parts of thermoplastic rubber, 60 parts of LLDPE (linear low density polyethylene), 0.1 part of di-tert-butyl hexane peroxide, 2 parts of maleic anhydride, 13 parts of POE (polyolefin elastomer), 57 parts of hydride C, 0.5 part of nitrogen-phosphorus halogen-free flame retardant, 0.5 part of aluminum hydroxide, 0.5 part of magnesium hydroxide, 2150.25 parts of antioxidant B, 10100.25 parts of antioxidant and 1680.25 parts of antioxidant.
The preparation method of the high-molecular adhesive film for the aluminum honeycomb panel comprises the following steps:
s1, batching: firstly, mixing thermoplastic rubber, LLDPE, di-tert-butyl hexane peroxide and maleic anhydride according to the weight part ratio to prepare a mixed material;
s2, preparing a primary master batch: pouring the materials into a high-speed stirrer to be uniformly mixed and stirred at a high speed, heating the temperature to 85 ℃, adding the uniformly mixed materials into a screw reaction extruder to perform reaction extrusion, bracing, cooling, blow-drying and grain cutting to prepare primary master batches;
s3, preparing a bonding material master batch: adding POE, hydride C5, nitrogen-phosphorus halogen-free flame retardant, aluminum hydroxide, magnesium hydroxide, antioxidant B215, antioxidant 1010 and antioxidant 168 and the primary master batch into a high-speed stirrer according to the weight part ratio to be uniformly mixed and stirred at a high speed, adding the uniformly mixed material into an extruder to be subjected to reaction extrusion and grain cutting to prepare the bonding material master batch;
s4, preparing a high-molecular adhesive film: and (3) carrying out three-layer co-extrusion film blowing, forming, cooling and coiling on the master batch of the bonding material to prepare the high-molecular bonding film.
In the step S2, the extrusion temperature is 165 ℃, the strand pulling temperature is 170 ℃, the cooling temperature is 175 ℃, the blow-drying temperature is 180 ℃, and the grain cutting temperature is 180 ℃. The temperature of the extrusion and the dicing in the step S3 was 185 ℃.
An aluminum honeycomb panel comprises an aluminum panel 1, a polymer adhesive film 2 and a honeycomb core 3, wherein two sides of the honeycomb core 3 are respectively connected with the aluminum panel 1 through the polymer adhesive film 2. The thickness of the polymer adhesive film 2 was 30 filaments.
Example 4:
a high-molecular adhesive film for an aluminum honeycomb plate is prepared from the following raw materials in parts by weight: 41 parts of thermoplastic rubber, 59 parts of LLDPE, 0.05 part of di-tert-butyl hexane peroxide, 1 part of maleic anhydride, 10 parts of POE, 55 parts of hydride C, 0.03 part of nitrogen-phosphorus halogen-free flame retardant, 0.03 part of aluminum hydroxide, 0.03 part of magnesium hydroxide, 2150.15 parts of antioxidant B, 1010.15 parts of antioxidant and 1680.15 parts of antioxidant.
The preparation method of the high-molecular adhesive film for the aluminum honeycomb panel comprises the following steps:
s1, batching: firstly, mixing thermoplastic rubber, LLDPE, di-tert-butyl hexane peroxide and maleic anhydride according to the weight part ratio to prepare a mixed material;
s2, preparing a primary master batch: pouring the materials into a high-speed stirrer to be uniformly mixed and stirred at a high speed, heating the temperature to 80 ℃, adding the uniformly mixed materials into a screw reaction extruder to perform reaction extrusion, bracing, cooling, blow-drying and grain cutting to prepare primary master batches;
s3, preparing a bonding material master batch: adding POE, hydride C5, nitrogen-phosphorus halogen-free flame retardant, aluminum hydroxide, magnesium hydroxide, antioxidant B215, antioxidant 101 and antioxidant 168 and the primary master batch into a high-speed stirrer according to the weight part ratio to be uniformly mixed and stirred at a high speed, adding the uniformly mixed material into an extruder to be subjected to reaction extrusion and grain cutting to prepare the bonding material master batch;
s4, preparing a high-molecular adhesive film: and (3) carrying out three-layer co-extrusion film blowing, forming, cooling and coiling on the master batch of the bonding material to prepare the high-molecular bonding film.
In the step S2, the extrusion temperature is 160 ℃, the strip temperature is 170 ℃, the cooling temperature is 170 ℃, the blow-drying temperature is 180 ℃, and the grain cutting temperature is 180 ℃. The temperature of the extrusion and the dicing in the step S3 was 165 ℃.
An aluminum honeycomb panel comprises an aluminum panel 1, a polymer adhesive film 2 and a honeycomb core 3, wherein two sides of the honeycomb core 3 are respectively connected with the aluminum panel 1 through the polymer adhesive film 2. The thickness of the polymer adhesive film 2 was 16 filaments.
In conclusion, the high-molecular adhesive film prepared by the preparation method provided by the embodiment of the invention can be used for bonding an aluminum panel and a honeycomb core of an aluminum honeycomb panel, and is convenient and rapid, excellent in strength, energy-saving, environment-friendly, pollution-free and harmless to a human body. The adhesive film can replace the original solvent type hot-melt adhesive, the traditional adhesive is easy to burn, and the high-molecular adhesive film has flame retardance and is safer and more reliable. The aluminum panel and the honeycomb core are bonded and fixed through the polymer bonding film, the bonding area is larger, and the bonding effect is better. The polymer adhesive film has the functions of heat preservation and heat insulation, so that the aluminum honeycomb plate has better heat preservation and heat insulation effects. And the production cost is low, the preparation is simple, and the yield can be effectively improved.
Claims (8)
1. A polymer adhesive film for aluminum honeycomb panel which characterized in that: the composition is prepared from the following raw materials in parts by weight: 35-45 parts of thermoplastic rubber, 55-60 parts of LLDPE, 0.01-0.1 part of cross-linking agent, 1-2 parts of maleic anhydride, 9-13 parts of POE, 53-7 parts of hydride C, 0.5-1.5 parts of flame retardant and 0.25-0.75 part of antioxidant.
2. The polymeric bonding film for aluminum honeycomb panels as claimed in claim 1, wherein: the flame retardant is one or more of nitrogen-phosphorus halogen-free flame retardant, aluminum hydroxide and magnesium hydroxide.
3. The polymeric bonding film for aluminum honeycomb panels as claimed in claim 1, wherein: the cross-linking agent is one of dibenzoyl peroxide, dilauroyl peroxide, dicumyl peroxide and di-tert-butyl hexane peroxide.
4. The polymeric bonding film for aluminum honeycomb panels as claimed in claim 1, wherein: the antioxidant is one or any combination of antioxidant B215, antioxidant 1010, antioxidant 168 and antioxidant DLTP.
5. A method for preparing a high molecular adhesive film for aluminum honeycomb panels according to claims 1 to 3, comprising the following steps:
s1, batching: firstly, mixing thermoplastic rubber, LLDPE, a cross-linking agent and maleic anhydride according to the weight part ratio to prepare a mixed material;
s2, preparing a primary master batch: pouring the materials into a high-speed stirrer to be uniformly mixed and stirred at a high speed, heating the temperature to 75-85 ℃, adding the uniformly mixed materials into a screw reaction extruder to perform reaction extrusion, bracing, cooling, blow-drying and granulating to prepare primary master batches;
s3, preparing a bonding material master batch: firstly, adding POE, hydride C5, a flame retardant and an antioxidant in parts by weight and the primary master batch into a high-speed stirrer for high-speed uniform mixing and stirring, then adding the uniformly mixed material into an extruder for reaction extrusion and grain cutting to prepare the bonding material master batch;
s4, preparing a high-molecular adhesive film: and (3) carrying out three-layer co-extrusion film blowing, forming, cooling and coiling on the master batch of the bonding material to prepare the high-molecular bonding film.
6. The method of claim 4, wherein the adhesive film comprises: in the step S2, the extrusion temperature is 160-165 ℃, the strand temperature is 165-170 ℃, the cooling temperature is 170-175 ℃, the blow-drying temperature is 175-180 ℃, and the grain cutting temperature is 175-180 ℃.
7. The method of claim 4, wherein the adhesive film comprises: the temperature of extrusion and cutting in the step S3 is 155-185 ℃.
8. An aluminum honeycomb panel, its characterized in that: the aluminum panel comprises an aluminum panel, a high-molecular adhesive film and a honeycomb core, wherein the two sides of the honeycomb core are respectively connected with the aluminum panel through the high-molecular adhesive film, and the thickness of the high-molecular adhesive film is 3-30 threads.
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| CN (1) | CN112143387A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229790A (en) * | 2011-05-17 | 2011-11-02 | 南京棠城塑胶有限公司 | Preparation method for bonding material for plastic-aluminum composite product |
| CN111267419A (en) * | 2020-03-18 | 2020-06-12 | 重庆天泰铝业有限公司 | PVC honeycomb aluminum plate and manufacturing process thereof |
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2020
- 2020-10-27 CN CN202011162032.3A patent/CN112143387A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229790A (en) * | 2011-05-17 | 2011-11-02 | 南京棠城塑胶有限公司 | Preparation method for bonding material for plastic-aluminum composite product |
| CN111267419A (en) * | 2020-03-18 | 2020-06-12 | 重庆天泰铝业有限公司 | PVC honeycomb aluminum plate and manufacturing process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王中旺, 经济日报出版社 * |
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