CN114058241A - Composite aluminum foil externally attached with epoxy resin coating and processing method thereof - Google Patents
Composite aluminum foil externally attached with epoxy resin coating and processing method thereof Download PDFInfo
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- CN114058241A CN114058241A CN202111439451.1A CN202111439451A CN114058241A CN 114058241 A CN114058241 A CN 114058241A CN 202111439451 A CN202111439451 A CN 202111439451A CN 114058241 A CN114058241 A CN 114058241A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/44—Amides
- C08G59/46—Amides together with other curing agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/56—Amines together with other curing agents
- C08G59/60—Amines together with other curing agents with amides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a composite aluminum foil with an epoxy resin coating and a processing method thereof, the composite aluminum foil comprises a composite aluminum foil, the composite aluminum foil is composed of an outer coating, an aluminum foil main body and an inner coating, the outer coating is closely attached to one surface of the aluminum foil main body, the inner coating is closely attached to the other surface of the aluminum foil main body, the components of the outer coating comprise an epoxy resin component and an amine component for curing the epoxy resin component, the amine component comprises at least one polyamide curing agent and at least one Mannich base curing agent, the components of the inner coating comprise an epoxy resin component, a silicon dioxide particle component, a silane coupling agent component, an epoxy resin component and a hydrophobing agent component, the polyamide curing agent and the Mannich base curing agent are derivatives of alicyclic polyamine, the composite aluminum foil with the epoxy resin coating and the processing method thereof, can obtain the aluminum foil with good electrical property and wear resistance, and is suitable for being widely popularized and used.
Description
Technical Field
The invention belongs to the technical field of aluminum foils, and particularly relates to a composite aluminum foil externally attached with an epoxy resin coating and a processing method thereof.
Background
Aluminum foil is widely used for foods, beverages, cigarettes, medicines, photographic plates, household goods, etc. due to its excellent characteristics, and is generally used as a packaging material, an electrolytic capacitor material, a heat insulating material for buildings, vehicles, ships, houses, etc., and also as decorative metallic lines, wall paper, decorative trademarks for various stationery printed matters and light industrial products, etc.
The most existing aluminum foils adopt unidirectional epoxy resin coatings, and the problem that the surfaces of the aluminum foils attached to the aluminum foils are usually guaranteed by using one-sided epoxy resin coatings to optimize the performance of the aluminum foils on the attachment surfaces is solved.
Disclosure of Invention
The invention aims to provide a composite aluminum foil externally attached with an epoxy resin coating and a processing method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a composite aluminum foil with an epoxy resin coating attached to the outside comprises a composite aluminum foil, wherein the composite aluminum foil consists of an outer coating, an aluminum foil main body and an inner coating, the outer coating is tightly attached to one surface of the aluminum foil main body, and the inner coating is tightly attached to the other surface of the aluminum foil main body;
the components of the outer coating include an epoxy resin component and an amine component for curing the epoxy resin component, the amine component including at least one polyamide curing agent and at least one mannich base curing agent;
the components of the inner coating include an epoxy resin component, a silica particle component, a silane coupling agent component, an epoxy resin component, and a hydrophobizing agent component.
Preferably, the polyamide curing agent and the mannich base curing agent are derivatives of cycloaliphatic polyamines, and the resin to amine weight ratio in the cycloaliphatic polyamine is in the range of 100: 12 to 100: 25, or higher.
Preferably, the polyamide curing agent has an amine value of 100mgKOH/g or more, which is contained with respect to the total weight of the polyamide curing agent.
Preferably, the mannich base curing agent has an amine value of 150mgKOH/g curing agent or more and is contained with respect to the total weight of the mannich base curing agent.
Preferably, the hydrophobic agent is any one or more of C8-C22 alkyl trichlorosilane, C8-C22 alkyl trialkoxysilane, tetrahydroperfluoro C6-C12 alkyl trichlorosilane and tetrahydroperfluoro C6-C12 alkyl trialkoxysilane.
Preferably, the epoxy resin component is any one of an aqueous epoxy resin emulsion and an additive-free epoxy resin for curing.
A processing method is used for a composite aluminum foil externally attached with an epoxy resin coating, and comprises the following specific steps:
s1, enabling the composite aluminum foil 100 to penetrate through the contact surfaces of the two pairs of rolling rollers 200 at the lower end and the upper end and clamping the composite aluminum foil 100, enabling the composite aluminum foil 100 to penetrate through the baking surface of the heater 600, and adjusting the relative positions of the heater 600 and the composite aluminum foil 100;
s2, respectively filling the stock solution of the outer coating 1 and the stock solution of the inner coating 3 into the two material tanks 400;
s3, starting the two upper rollers 200 to enable the rollers 200 to pull the composite aluminum foil 100 to move, and pulling the material feeding roller 500 to rotate in the moving process of the composite aluminum foil 100;
s4, the material sticking rollers 500 drive the material feeding rollers 300 to rotate when rotating, the material feeding rollers 300 rotate to enable the stock solution in the material grooves 400 to be brought towards the outer circles of the material sticking rollers 500, the stock solution on the outer circles of the material sticking rollers 500 is attached to the side faces of the composite aluminum foil 100, and because the two material sticking rollers 500 are respectively arranged on the two sides of the composite aluminum foil 100, the stock solution of the outer coating 1 and the stock solution of the inner coating 3 are attached to the two sides of the composite aluminum foil 100;
s5, baking the stock solution of the outer coating 1 and the stock solution of the inner coating 3 on the two sides of the composite aluminum foil 100 by a heater 600 to finish curing.
Preferably, the curing temperature of the stock solution of the outer coating and the stock solution of the inner coating outside the aluminum foil main body is 60 to 110 ℃.
Preferably, the two rollers at the lower end are internally provided with heating devices.
Preferably, the heater is internally provided with a fan and a heater connected with the fins, and the hot air direction of the heater is 45 degrees inclined upwards.
The invention has the technical effects and advantages that: the composite aluminum foil with the epoxy resin coating and the processing method thereof have the advantages that the original liquid coating of the outer coating and the inner coating inside the trough is taken out by the feeding roller during the aluminum foil processing, the original liquid coating is conducted to the feeding roller and then pressed to the surface of the aluminum foil main body, when the outer coating and the inner coating are adhered and fixed on the aluminum foil main body, the adhesion and the fixation of the outer coating and the inner coating are simultaneously completed, compared with the conventional aluminum foil processing mode, the processing mode avoids the problem of secondary processing, the original liquid adhesion and drying of the outer coating and the inner coating are completed once, the coating spraying time of the surface of the aluminum foil main body formed by the outer coating and the inner coating is the same, the drying time is the same, the processing time is the same, better coating consistency is obtained, the quality of the composite aluminum foil is easier to control, and the difference of the composite aluminum foils in the same batch can be greatly reduced by the characteristics, is suitable for being popularized and used;
the air outlet direction of the heater is inclined upwards, and when the stock solution of the outer coating and the inner coating attached to the aluminum foil main body moves downwards due to the action of gravity, the stock solution of the outer coating and the inner coating can be inhibited from flowing downwards through the air outlet characteristic of the heater, so that a good epoxy resin coating attaching effect is obtained.
Drawings
FIG. 1 is a schematic view of the structure of a composite aluminum foil with an epoxy resin coating applied thereon according to the present invention;
fig. 2 is a schematic view of a processing method of a composite aluminum foil with an epoxy resin coating attached.
In the figure: 100. a composite aluminum foil; 1. an outer coating layer; 2. an aluminum foil body; 3. inner coating; 200. rolling a roller; 300. a feeding roller; 400. a trough; 500. a material feeding roller; 600. a heater.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings 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 of the embodiments.
Referring to fig. 1-2, a composite aluminum foil with an epoxy resin coating applied thereon and a method for manufacturing the same, includes a composite aluminum foil 100, the composite aluminum foil 100 is composed of an outer coating layer 1, an aluminum foil main body 2, and an inner coating layer 3, the outer coating layer 1 is closely attached to one surface of the aluminum foil main body 2, the inner coating layer 3 is closely attached to the other surface of the aluminum foil main body 2, the outer coating layer 1 includes an epoxy resin component and an amine component for curing the epoxy resin component, the amine component includes at least one polyamide curing agent and at least one mannich base curing agent, the inner coating layer 3 includes an epoxy resin component, a silica particle component, a silane coupling agent component, an epoxy resin component, and a hydrophobing agent component, and the outer coating layer 1 and the inner coating layer 3 are both composed of thermosetting type paint.
Referring to fig. 1, the polyamide curing agent and the mannich base curing agent are derivatives of cycloaliphatic polyamines, and the resin to amine weight ratio in the cycloaliphatic polyamine is in the range of 100: 12 to 100: 25, a polyamide curing agent having an amine value of 100mgKOH/g or more, which comprises a mannich base curing agent having an amine value of 150mgKOH/g or more relative to the total weight of the polyamide curing agent, and which comprises a hydrophobizing agent which is any one or a mixture of C8-C22 alkyltrichlorosilane, C8-C22 alkyltrialkoxysilane, tetrahydroperfluoroc 6-C12 alkyltrichlorosilane, and tetrahydroperfluoroc 6-C12 alkyltrialkoxysilane, relative to the total weight of the mannich base curing agent, and the epoxy resin component is any one of an aqueous epoxy resin emulsion and an adjuvant-free epoxy resin cured.
Referring to fig. 1-2, a processing method for a composite aluminum foil with an epoxy resin coating is characterized by comprising the following specific steps:
s1, enabling the composite aluminum foil 100 to penetrate through the contact surfaces of the two pairs of rolling rollers 200 at the lower end and the upper end and clamping the composite aluminum foil 100, enabling the composite aluminum foil 100 to penetrate through the baking surface of the heater 600, and adjusting the relative positions of the heater 600 and the composite aluminum foil 100;
s2, respectively filling the stock solution of the outer coating 1 and the stock solution of the inner coating 3 into the two material tanks 400;
s3, starting the two upper rollers 200 to enable the rollers 200 to pull the composite aluminum foil 100 to move, and pulling the material feeding roller 500 to rotate in the moving process of the composite aluminum foil 100;
s4, the material sticking rollers 500 drive the material feeding rollers 300 to rotate when rotating, the material feeding rollers 300 rotate to enable the stock solution in the material grooves 400 to be brought towards the outer circles of the material sticking rollers 500, the stock solution on the outer circles of the material sticking rollers 500 is attached to the side faces of the composite aluminum foil 100, and because the two material sticking rollers 500 are respectively arranged on the two sides of the composite aluminum foil 100, the stock solution of the outer coating 1 and the stock solution of the inner coating 3 are attached to the two sides of the composite aluminum foil 100;
s5, baking the stock solution of the outer coating 1 and the stock solution of the inner coating 3 on the two sides of the composite aluminum foil 100 by a heater 600 to finish curing.
Referring to fig. 1-2, the curing temperature of the stock solution of the outer coating 1 and the stock solution of the inner coating 3 outside the aluminum foil main body 2 is 60 to 110 ℃, the two rollers 200 at the lower end are provided with heating devices, the curing temperature is characterized in that the surfaces of the aluminum foil main body 2 are preliminarily changed, the surfaces of the aluminum foil main body 2 have better paint adhesion, the heater 600 is provided with a fan and an electric heating pipe connected with fins, the hot air direction of the heater 600 is 45 degrees inclined upwards towards the composite aluminum foil 100, the specific scheme of the heater 600 can refer to the existing industrial hot air blower, and the industrial hot air blower forming the heater 600 is provided with a plurality of groups.
The working principle of the composite aluminum foil with the epoxy resin coating and the processing method thereof are that when the composite aluminum foil 100 is processed, the stock solution coatings of the outer coating 1 and the inner coating 3 in the trough 400 are taken out by the feeding roller 300 and are pressed on the surface of the aluminum foil main body 2 after being conducted to the feeding roller 500, and when the aluminum foil main body 2 is subjected to the adhesion and fixation of the outer coating 1 and the inner coating 3, the adhesion and fixation of the outer coating 1 and the inner coating 3 are simultaneously completed, compared with the conventional aluminum foil processing mode, the processing mode avoids the problem of secondary processing, and the stock solution adhesion and drying of the outer coating 1 and the inner coating 3 are completed once, the coating spraying time of the surface of the aluminum foil main body 2 formed by the outer coating 1 and the inner coating 3 is the same, the drying time is the same, the processing time is the same, thereby obtaining better coating consistency, and leading the composite aluminum foil 100 to be easier to control the quality, the air outlet direction of the heater 600 is inclined upwards, when the stock solution of the outer coating 1 and the inner coating 3 attached on the aluminum foil main body 2 moves downwards due to the action of gravity, the stock solution of the outer coating 1 and the inner coating 3 can be inhibited from flowing downwards through the air outlet characteristic of the heater 600, the air of the heater 600 can prop the paint stock solution of the outer coating 1 and the inner coating 3 flowing downwards, the problem of poor quality of the epoxy resin coating caused by poor adhesion of the paint stock solution of the outer coating 1 and the inner coating 3 is avoided, and therefore a good epoxy resin coating attaching effect is obtained.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the practical idea thereof should be covered within the scope of the present invention.
Claims (10)
1. A composite aluminum foil with an epoxy resin coating applied thereto, comprising a composite aluminum foil (100), said composite aluminum foil (100) being composed of an outer coating layer (1), an aluminum foil main body (2) and an inner coating layer (3), said outer coating layer (1) being closely attached to one surface of the aluminum foil main body (2), said inner coating layer (3) being closely attached to the other surface of the aluminum foil main body (2), characterized in that:
the composition of the outer coating (1) comprises an epoxy resin component and an amine component for curing the epoxy resin component, the amine component comprising at least one polyamide curing agent and at least one mannich base curing agent;
the components of the inner coating (3) comprise an epoxy resin component, a silicon dioxide particle component, a silane coupling agent component, an epoxy resin component and a hydrophobic agent component.
2. The composite aluminum foil with the epoxy resin coating attached thereon as claimed in claim 1, wherein: the polyamide curing agent and the mannich base curing agent are derivatives of cycloaliphatic polyamines, and the resin to amine weight ratio in the cycloaliphatic polyamine is in the range of 100: 12 to 100: 25, or higher.
3. The composite aluminum foil with the epoxy resin coating attached thereon as claimed in claim 1, wherein: the polyamide curing agent has an amine value of 100mgKOH/g or more, which is contained relative to the total weight of the polyamide curing agent.
4. The composite aluminum foil with the epoxy resin coating attached thereon as claimed in claim 1, wherein: the mannich base curing agent has an amine value of 150mgKOH/g or more and is contained relative to the total weight of the mannich base curing agent.
5. The composite aluminum foil with the epoxy resin coating attached thereon as claimed in claim 1, wherein: the hydrophobic agent is any one or a mixture of more of C8-C22 alkyl trichlorosilane, C8-C22 alkyl trialkoxysilane, tetrahydroperfluoro C6-C12 alkyl trichlorosilane and tetrahydroperfluoro C6-C12 alkyl trialkoxysilane.
6. The composite aluminum foil with the epoxy resin coating attached thereon as claimed in claim 1, wherein: the epoxy resin component is any one of aqueous epoxy resin emulsion and assistant-free epoxy resin for curing.
7. The processing method is used for the composite aluminum foil with the external epoxy resin coating according to any one of claims 1 to 6, and is characterized by comprising the following specific steps of:
s1, enabling the composite aluminum foil (100) to penetrate through the contact surfaces of two pairs of rolling rollers (200) at the lower end and the upper end and clamping the composite aluminum foil, enabling the composite aluminum foil (100) to penetrate through the baking surface of the heater (600), and adjusting the relative positions of the heater (600) and the composite aluminum foil (100);
s2, respectively filling the stock solution of the outer coating (1) and the stock solution of the inner coating (3) into the two material tanks (400);
s3, starting the two upper rollers (200) to enable the rollers (200) to pull the composite aluminum foil (100) to move, and pulling the feeding roller (500) to rotate in the moving process of the composite aluminum foil (100);
s4, the material feeding roller (500) is driven to rotate when rotating, the material feeding roller (300) rotates to enable stock solution in the material groove (400) to be brought towards the outer circle of the material feeding roller (500), the stock solution on the outer circle of the material feeding roller (500) is attached to the side face of the composite aluminum foil (100), and the stock solution of the outer coating (1) and the stock solution of the inner coating (3) are attached to the two sides of the composite aluminum foil (100) because the two material feeding rollers (500) are respectively arranged on the two sides of the composite aluminum foil (100);
s5, baking the stock solution of the outer coating (1) and the stock solution of the inner coating (3) on the two sides of the composite aluminum foil (100) by a heater (600) to finish curing.
8. A method of processing according to claim 7, wherein: the curing temperature of the stock solution of the outer coating (1) and the stock solution of the inner coating (3) outside the aluminum foil main body (2) is 60-110 ℃.
9. A method of processing according to claim 7, wherein: the two rollers (200) at the lower end are internally provided with a heating device.
10. A method of processing according to claim 7, wherein: a fan and a heater connected with fins are arranged in the heater (600), and the hot air direction of the heater (600) is 45 degrees inclined upwards.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111439451.1A CN114058241A (en) | 2021-11-30 | 2021-11-30 | Composite aluminum foil externally attached with epoxy resin coating and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111439451.1A CN114058241A (en) | 2021-11-30 | 2021-11-30 | Composite aluminum foil externally attached with epoxy resin coating and processing method thereof |
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| CN114058241A true CN114058241A (en) | 2022-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116162393A (en) * | 2023-04-26 | 2023-05-26 | 江苏金天辰新材料有限公司 | Aluminum foil for food packaging with surface coated with epoxy resin coating and processing technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575478A (en) * | 2008-05-05 | 2009-11-11 | 中国科学院宁波材料技术与工程研究所 | Method for preparing epoxy resin super-hydrophobic coat |
| CN108525953A (en) * | 2017-03-03 | 2018-09-14 | 深圳格林德能源有限公司 | A kind of double spread transfer type coating machine |
| CN111909594A (en) * | 2020-08-11 | 2020-11-10 | 江苏万源新材料股份有限公司 | Molecular sieve coating aluminum foil with anticorrosion function and preparation process thereof |
-
2021
- 2021-11-30 CN CN202111439451.1A patent/CN114058241A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575478A (en) * | 2008-05-05 | 2009-11-11 | 中国科学院宁波材料技术与工程研究所 | Method for preparing epoxy resin super-hydrophobic coat |
| CN108525953A (en) * | 2017-03-03 | 2018-09-14 | 深圳格林德能源有限公司 | A kind of double spread transfer type coating machine |
| CN111909594A (en) * | 2020-08-11 | 2020-11-10 | 江苏万源新材料股份有限公司 | Molecular sieve coating aluminum foil with anticorrosion function and preparation process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116162393A (en) * | 2023-04-26 | 2023-05-26 | 江苏金天辰新材料有限公司 | Aluminum foil for food packaging with surface coated with epoxy resin coating and processing technology |
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