CN219634685U - Flame-retardant environment-friendly aluminum foil - Google Patents
Flame-retardant environment-friendly aluminum foil Download PDFInfo
- Publication number
- CN219634685U CN219634685U CN202223203515.0U CN202223203515U CN219634685U CN 219634685 U CN219634685 U CN 219634685U CN 202223203515 U CN202223203515 U CN 202223203515U CN 219634685 U CN219634685 U CN 219634685U
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- Prior art keywords
- aluminum foil
- layer
- foil layer
- main body
- retardant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 154
- 239000011888 foil Substances 0.000 title claims abstract description 153
- 239000003063 flame retardant Substances 0.000 title claims abstract description 45
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000010410 layer Substances 0.000 claims abstract description 135
- 239000002346 layers by function Substances 0.000 claims abstract description 29
- 230000007613 environmental effect Effects 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 239000012790 adhesive layer Substances 0.000 claims description 20
- 238000004026 adhesive bonding Methods 0.000 claims description 15
- 238000005253 cladding Methods 0.000 claims description 12
- 239000005030 aluminium foil Substances 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 9
- 238000005034 decoration Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract description 16
- 239000000654 additive Substances 0.000 abstract description 4
- 238000010304 firing Methods 0.000 abstract description 3
- 230000000996 additive effect Effects 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 7
- 235000013305 food Nutrition 0.000 description 7
- 229940079593 drug Drugs 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000005022 packaging material Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model provides a flame-retardant environment-friendly aluminum foil, which comprises a first aluminum foil layer, a second aluminum foil layer and a functional layer arranged between the first aluminum foil layer and the second aluminum foil layer; the first aluminum foil layer comprises a first main body part and inner matching parts formed on two sides of the first main body part, the second aluminum foil layer comprises a second main body part and outer matching parts formed on two sides of the second main body part, the outer matching parts extend towards the first aluminum foil layer and cover the inner matching parts, connection can be formed between the two aluminum foil layers without depending on a functional layer, and cross sections between the layers are avoided when the layers appear on the side surfaces of the aluminum foils. The first aluminum foil layer and the second aluminum foil layer are connected through the inner matching part and the outer matching part, so that the cross section of the side edge of the aluminum foil composite material is encapsulated in the aluminum foil layer, the internal functional layer is prevented from being exposed from the cross section to provide a firing point, and meanwhile, the additive with environmental hazard in the functional layer can be prevented from migrating outwards from the cross section.
Description
Technical Field
The utility model relates to the technical field of packaging materials, in particular to a flame-retardant environment-friendly aluminum foil.
Background
The aluminum foil is widely used for food, beverage, cigarettes, medicines, photographic bottom plates, household daily necessities and the like due to the excellent characteristics, is usually used as a packaging material, and particularly combines the shielding property of the aluminum foil with the strength of paper and the heat sealing property of the plastic after the aluminum foil is compounded with the plastic and the paper, so that the shielding property of the aluminum foil on water vapor, air, ultraviolet rays, bacteria and the like which are necessary as the packaging material is further improved, and the application market of the aluminum foil is greatly widened. Because aluminum itself has good fireproof and flame-retardant properties, aluminum foil is not inflammable when being used independently, but the physical properties of the aluminum foil used independently have some defects, so that the aluminum foil is generally required to be compounded with other structures (such as kraft paper, polyethylene plastic and the like) to play a modifying role, and other structures which are compounded with the aluminum foil and adhesives used in the compounding process are often insufficient in fireproof performance, so that the aluminum foil composite product is inflammable and cannot play a fireproof and flame-retardant role.
Patent application number CN201922501056.6 discloses a thermal-insulated fire-retardant aluminium foil bubble membrane keeps warm, and this aluminium foil bubble membrane includes fire-retardant layer, and fire-retardant layer's bottom fixedly connected with first bubble layer, fire-retardant layer's bottom fixedly connected with first aluminium foil layer, fire-retardant layer's top fixedly connected with second bubble layer, the top fixedly connected with second aluminium foil layer on second bubble layer, fire-retardant layer adopts chemical cross-linked polyethylene foam material to make. The aluminum foil bubble film is compounded by five layers of materials, the first aluminum foil layer and the second aluminum foil layer which are the outermost layers are utilized to protect the inner bubble layer, so that the flame retardant effect of a product is improved, but the aluminum foil bubble film still has the problem of insufficient flame retardant effect when in use, although the aluminum foil layers on the two sides of the aluminum foil bubble film are not easy to burn, the edge parts combined between the layers can enable the inner layer material to be exposed, the inner layer material is easy to be a firing point to cause the combustion of the aluminum foil bubble film, and the flame retardant is added into the inner layer material, so that the flame retardant effect can be improved to a certain extent, but a plurality of flame retardants (such as the most common halogen flame retardants) have the environmental protection problem, and the aluminum foil product is easy to cause environmental hazard after being abandoned.
Disclosure of Invention
In order to solve the problems, the utility model provides the flame-retardant environment-friendly aluminum foil which can protect other materials compounded with the aluminum foil on the premise of not adding flame retardant, so that the overall flame retardant property of the product is improved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a flame-retardant environment-friendly aluminum foil comprises a first aluminum foil layer, a second aluminum foil layer and a functional layer arranged between the first aluminum foil layer and the second aluminum foil layer; the first aluminum foil layer comprises a first main body part and inner matching parts formed on two sides of the first main body part, the inner matching parts comprise transition parts and extension parts, the transition parts are connected with the side edges of the main body part and extend to one side where the second aluminum foil layer is located, the extension parts are connected with the extension end parts of the transition parts and extend to the outer side direction of the first aluminum foil layer, the extension parts are arranged in parallel with the first main body part, and the inner matching parts form first matching grooves on one side of the outer decoration surface of the first aluminum foil layer; the second aluminum foil layer comprises a second main body part and outer matching parts formed on two sides of the second main body part, the outer matching parts comprise a first coating part and a second coating part, the first coating part is connected with the side edge of the second main body part and extends to the side where the first aluminum foil layer is located, the second coating part is connected with the extending end part of the first coating part and extends to the inner side direction of the second aluminum foil layer, and the outer matching parts form second matching grooves on one side of the inner bonding surface of the second aluminum foil layer; the first cladding part is arranged on the outer side of the extension part, the second cladding part is matched with the first matching groove, and the extension part is matched with the second matching groove.
The outer decorative surface refers to a side surface of the first aluminum foil/the second aluminum foil, which is exposed to the outside and can be observed by naked eyes after the first aluminum foil, the second aluminum foil and the functional layer form a composite structure, other structures such as a decorative layer and a protective layer can be further added on the side surface, and the inner bonding surface refers to a side surface of the first aluminum foil/the second aluminum foil, which is positioned in the composite structure and is used for being connected with other structures.
According to the utility model, the functional layer is arranged between the first aluminum foil layer and the second aluminum foil layer, the functional layer with poor fireproof and flame retardant properties is protected by the first aluminum foil layer and the second aluminum foil layer, the width of the first aluminum foil is smaller, the width of the second aluminum foil is larger, the side edge of the second aluminum foil is bent towards one side of the first aluminum foil to form an outer matching part, the outer matching part wraps the inner matching part formed by the side edge of the first aluminum foil, the side edge of the aluminum foil composite material is encapsulated by the outer matching part, the functional layer is not exposed from the side edge section of the aluminum foil composite material, and the side edge section is prevented from becoming a fire point. Because the functional layer is encapsulated between two layers of aluminum foils, the functional layer is not easy to directly contact with a fire source, and the aluminum foil composite material has better flame retardant property even if flame retardant is not added in the functional layer. If the flame retardant is added into the functional layer to further improve the flame retardant performance, the flame retardant is not easy to migrate outwards from the side section of the aluminum foil composite material because of the packaging effect of the two layers of aluminum foils, so that the harm of the flame retardant to the environment can be reduced to a certain extent, and especially when the aluminum foil composite material is used for packaging foods and medicines, the probability that substances in the functional layer are contacted with the foods and medicines can be reduced because the functional layer is in a state of the two layers of aluminum foils, and the safety of the aluminum foil composite material as the foods and medicines is improved.
Further, the functional layer at least comprises an adhesive layer for bonding the first aluminum foil and the second aluminum foil.
Further, the functional layer comprises a first adhesive layer, a second adhesive layer and a functional interlayer arranged between the first adhesive layer and the second adhesive layer. The functional interlayer can be of a single-layer structure or a multi-layer composite structure, and can endow the aluminum foil composite material with different characteristics according to different materials, such as toughness improvement, heat preservation performance improvement and the like.
Further, the first adhesive layer covers at least a portion of the inner adhesive surface of the second aluminum foil layer.
Further, an inner cavity part is formed on one side of the inner bonding surface of the first aluminum foil layer, the second adhesive layer covers at least one part of the inner wall of the inner cavity part, and the functional interlayer is arranged in the inner cavity part and is bonded with the first aluminum foil layer through the second adhesive layer.
Further, the second coating portion and the first fitting groove form glue joint through the first adhesive layer, and the extension portion and the second fitting groove form glue joint through the first adhesive layer.
Further, the middle part of the main body part is glued with the functional interlayer through the first gluing layer, and the part, close to the side edge, of the main body part is glued with the extension part through the first gluing layer.
Further, the functional interlayer is flush with a side plane of the body portion and the extension portion is flush with a side plane of the body portion.
Further, a side plane of the second cladding portion constituting the outer decorative surface of the second aluminum foil layer is flush with a side plane of the first body portion constituting the outer decorative surface of the first aluminum foil layer.
In summary, the following beneficial effects can be obtained by applying the technical scheme of the utility model:
1. according to the utility model, the functional layer of the aluminum foil composite material is arranged between the first aluminum foil layer and the second aluminum foil layer, and the inflammable functional layer is protected by utilizing the fireproof and flame-retardant characteristics of the first aluminum foil layer and the second aluminum foil layer, so that the flame-retardant effect of the aluminum foil composite material is improved.
2. The first aluminum foil layer and the second aluminum foil layer are connected through the inner matching part and the outer matching part, so that the cross section of the side edge of the aluminum foil composite material is encapsulated in the aluminum foil layer, and the inner functional layer is prevented from being exposed from the cross section to provide a firing point.
3. The functional layer is encapsulated in the aluminum foil layer, so that some additives with environmental hazard in the functional layer can be prevented from migrating outwards from the section, the probability of causing environmental hazard is reduced, and on the other hand, when the aluminum foil composite material is used for packaging foods and medicines, the additives can be prevented from being contacted with the foods and the medicines, and the safety is better.
Drawings
Fig. 1 is a schematic structural view and an enlarged partial structural view of a flame-retardant and environment-friendly aluminum foil in an embodiment;
fig. 2 is a partial structural schematic view of the first aluminum foil of fig. 1;
fig. 3 is a partial structural schematic view of the second aluminum foil of fig. 1;
in the figure, 1-first aluminum foil layer, 2-second aluminum foil layer, 3-first adhesive layer, 4-second adhesive layer, 5-functional interlayer, 11-first main body part, 12-transition part, 13-extension part, 14-first matching groove, 15-inner cavity part, 21-second main body part, 22-first cladding part, 23-second cladding part and 24-second matching groove.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples. Those of ordinary skill in the art will be able to implement the utility model based on these descriptions. In addition, the embodiments of the present utility model referred to in the following description are typically only some, but not all, embodiments of the present utility model. Therefore, all other embodiments, which can be made by one of ordinary skill in the art without undue burden, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Examples
As shown in fig. 1 to 3, the present embodiment provides a flame-retardant and environment-friendly aluminum foil, which has a sheet-like or ribbon-like thin layer structure. Specifically, the flame-retardant environment-friendly aluminum foil comprises a first aluminum foil layer 1, a second aluminum foil layer 2 and a functional layer arranged between the first aluminum foil layer and the second aluminum foil layer, wherein the first aluminum foil layer comprises a first main body part 11 in a plane shape and inner matching parts which are formed on two sides of the width direction of the first main body part and form a terrace structure with the first main body part, each inner matching part comprises a transition part 12 which is vertically connected with the side edge of the main body part and extends towards the direction of the second aluminum foil layer, the end part of each transition part is vertically connected with an extension part 13 which extends outwards along the width direction of the first aluminum foil layer, a height difference is formed between each extension part and the first main body part, so that a first matching groove 14 is formed at the edge part of one side of the decorative surface of the first aluminum foil layer, the depth of each first matching groove in the direction vertical to the first aluminum foil layer is slightly larger than the thickness of the second aluminum foil layer, an inner cavity part 15 is formed by bending and forming a space surrounded by the two transition parts and the main body part and the inner matching part by a plane aluminum foil. The second aluminum foil layer comprises a second main body part 21 in a plane shape and outer matching parts formed on two sides of the width direction of the second main body part, the outer matching parts comprise a first coating part 22 which is vertically connected with the side edge of the main body part and extends towards one side of the first aluminum foil layer, and a second coating part 23 which is vertically connected with the end part of the first coating part and extends towards the inner side direction of the second aluminum foil layer, a second matching groove 24 is formed in the space surrounded by the first coating part and the second coating part, the width of the second main body part is larger than the sum of the widths of the first main body part and the two extension parts, the first coating part is positioned outside the outer edge part and does not intersect the extension parts when extending towards the first aluminum foil layer direction, the end part of the first coating part extends to a position which is basically flush with the first matching groove, the surface side plane of the second coating part can just match with the first matching groove shape when extending towards the inner side direction, the surface plane of the second coating part is flush with the surface plane of the device of the first main body part, the surface of the first aluminum foil layer is not flush with the surface side plane of the first aluminum foil layer, the second aluminum foil layer cannot be formed in the second aluminum foil layer extending to the second aluminum foil layer is slightly vertical to the second aluminum foil layer, and the second aluminum foil layer can be slightly more than the second aluminum foil layer is formed in the vertical to the second aluminum foil layer extending to the second aluminum foil layer.
The functional layer include first gluing layer 3, second gluing layer 4 and functional intermediate layer 5, second gluing layer and functional intermediate layer set up in the inner chamber portion, the functional intermediate layer forms the bonding with a plane of inner chamber portion through second gluing layer, the interior bonding face of second aluminium foil layer is covered in the whole cover of first gluing layer, i.e. cover the interior bonding face of second main part, first cladding portion and second cladding portion for the second cladding portion of second aluminium foil layer forms the bonding through the decoration surface of first gluing layer, and first cladding portion forms the bonding through the part of gluing layer and the tip of epitaxial portion, and the edge position of second main part forms the bonding through the part of first gluing layer and the interior bonding face of outer edge portion, and the intermediate part of second main part passes through the part of first gluing layer and the bonding of functional intermediate layer.
The fire-retardant environmental protection aluminium foil that this embodiment provided can encapsulate the functional layer between two aluminium foil layers to make the side of fire-retardant environmental protection aluminium foil can not appear the layer section, and the side section of current aluminium foil becomes the ignition point easily, and the additive in the functional layer also can be avoided through layer section out diffusion influence environmental safety or food, medicine safety to this embodiment.
Claims (9)
1. The utility model provides a fire-retardant environmental protection aluminium foil which characterized in that: comprises a first aluminum foil layer, a second aluminum foil layer and a functional layer arranged between the first aluminum foil layer and the second aluminum foil layer; the first aluminum foil layer comprises a first main body part and inner matching parts formed on two sides of the first main body part, the inner matching parts comprise transition parts and extension parts, the transition parts are connected with the side edges of the main body part and extend to one side where the second aluminum foil layer is located, the extension parts are connected with the extension end parts of the transition parts and extend to the outer side direction of the first aluminum foil layer, the extension parts are arranged in parallel with the first main body part, and the inner matching parts form first matching grooves on one side of the outer decoration surface of the first aluminum foil layer; the second aluminum foil layer comprises a second main body part and outer matching parts formed on two sides of the second main body part, the outer matching parts comprise a first coating part and a second coating part, the first coating part is connected with the side edge of the second main body part and extends to the side where the first aluminum foil layer is located, the second coating part is connected with the extending end part of the first coating part and extends to the inner side direction of the second aluminum foil layer, and the outer matching parts form second matching grooves on one side of the inner bonding surface of the second aluminum foil layer; the first cladding part is arranged on the outer side of the extension part, the second cladding part is matched with the first matching groove, and the extension part is matched with the second matching groove.
2. The flame-retardant and environment-friendly aluminum foil according to claim 1, wherein: the functional layer at least comprises an adhesive layer for bonding the first aluminum foil and the second aluminum foil.
3. The flame-retardant and environment-friendly aluminum foil as claimed in claim 2, wherein: the functional layer comprises a first adhesive layer, a second adhesive layer and a functional interlayer arranged between the first adhesive layer and the second adhesive layer.
4. A flame retardant and environmentally friendly aluminum foil according to claim 3, wherein: the first adhesive layer covers at least a portion of the inner adhesive surface of the second aluminum foil layer.
5. The flame-retardant and environment-friendly aluminum foil according to claim 4, wherein: an inner cavity part is formed on one side of the inner bonding surface of the first aluminum foil layer, the second adhesive layer covers at least one part of the inner wall of the inner cavity part, and the functional interlayer is arranged in the inner cavity part and is bonded with the first aluminum foil layer through the second adhesive layer.
6. The flame-retardant and environment-friendly aluminum foil according to claim 4, wherein: the second coating part and the first matching groove are glued through the first gluing layer, and the extension part and the second matching groove are glued through the first gluing layer.
7. The flame-retardant and environment-friendly aluminum foil according to claim 5, wherein: the middle part of the main body part is glued with the functional interlayer through the first gluing layer, and the part of the main body part close to the side edge is glued with the extension part through the first gluing layer.
8. The flame retardant and environment friendly aluminum foil according to claim 7, wherein: the functional interlayer is flush with a side plane of the body portion and the extension portion is flush with a side plane of the body portion.
9. The flame-retardant and environment-friendly aluminum foil according to claim 1, wherein: the second cladding part forms one side plane of the outer decoration surface of the second aluminum foil layer and one side plane of the outer decoration surface of the first aluminum foil layer of the first main body part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203515.0U CN219634685U (en) | 2022-12-01 | 2022-12-01 | Flame-retardant environment-friendly aluminum foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203515.0U CN219634685U (en) | 2022-12-01 | 2022-12-01 | Flame-retardant environment-friendly aluminum foil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219634685U true CN219634685U (en) | 2023-09-05 |
Family
ID=87810989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223203515.0U Active CN219634685U (en) | 2022-12-01 | 2022-12-01 | Flame-retardant environment-friendly aluminum foil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219634685U (en) |
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2022
- 2022-12-01 CN CN202223203515.0U patent/CN219634685U/en active Active
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