CN216942147U - Plastic film for packaging - Google Patents
Plastic film for packaging Download PDFInfo
- Publication number
- CN216942147U CN216942147U CN202123052806.XU CN202123052806U CN216942147U CN 216942147 U CN216942147 U CN 216942147U CN 202123052806 U CN202123052806 U CN 202123052806U CN 216942147 U CN216942147 U CN 216942147U
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- CN
- China
- Prior art keywords
- plastic film
- layer
- layers
- resistant
- heat insulation
- 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.)
- Expired - Fee Related
Links
- 239000002985 plastic film Substances 0.000 title claims abstract description 113
- 229920006255 plastic film Polymers 0.000 title claims abstract description 113
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 128
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 27
- 238000005260 corrosion Methods 0.000 claims abstract description 20
- 230000007797 corrosion Effects 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 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 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims description 30
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000004760 aramid Substances 0.000 claims description 4
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000001965 increasing effect Effects 0.000 description 11
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000005457 optimization Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013410 fast food Nutrition 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
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)
- Wrappers (AREA)
Abstract
The utility model discloses a plastic film for packaging, which belongs to the technical field of plastic films, and the technical scheme is characterized by comprising a base layer, wherein first heat-insulating layers are respectively arranged on the upper end surface and the lower end surface of the base layer, protective layers are respectively arranged at the opposite ends of the two first heat-insulating layers, flame-retardant layers are respectively arranged at the opposite ends of the two protective layers, wear-resistant layers are respectively fixedly connected at the opposite ends of the two flame-retardant layers, each protective layer comprises a corrosion-resistant layer, a shielding layer and a reinforcing layer which are sequentially distributed from inside to outside, the plastic film can have a better heat-insulating effect through the first heat-insulating layers, the corrosion-resistant layers can increase the corrosion-resistant strength of the plastic film, the shielding layers can prevent an electrostatic phenomenon from occurring in the process of using the plastic film, the reinforcing layers can enhance the toughness of the plastic film and the strength of the plastic film, and the flame-retardant layers can prevent the plastic film from being ignited by open fire, the wear-resistant layer has wear resistance and toughness, and can reduce scratches on the external contact surface.
Description
Technical Field
The utility model relates to the technical field of plastic films, in particular to a plastic film for packaging.
Background
Films made from polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins are used for packaging, and as a film coating. Plastic packages and plastic package products have a larger share in the market, and particularly, composite plastic flexible packages are widely applied to the fields of food, medicine, chemical industry and the like, wherein the proportion of the plastic packages is the largest, such as beverage packages, quick-frozen food packages, steamed and cooked food packages, fast food packages and the like, and the plastic packages and the plastic package products bring great convenience to the life of people.
However, the existing plastic film for packaging has poor performances such as corrosion resistance, heat insulation, wear resistance and tensile strength, so that the plastic film is easily affected by various external chemical substances in the using process, and the service life of the plastic film is reduced to a certain extent.
SUMMERY OF THE UTILITY MODEL
The present invention addresses the above problems by providing a plastic film for packaging.
The present invention is achieved by a plastic film for packaging, comprising: the plastic film comprises a plastic film body, wherein the plastic film body comprises a base layer, and first heat insulation layers are arranged on the upper end surface and the lower end surface of the base layer;
protective layers are mounted at the opposite ends of the two first heat insulation layers, flame retardant layers are arranged at the opposite ends of the two protective layers, and wear-resistant layers are fixedly connected at the opposite ends of the two flame retardant layers;
the protective layer comprises a corrosion-resistant layer, a shielding layer and a reinforcing layer which are sequentially distributed from inside to outside, and the corrosion-resistant layer is fixedly connected with the first heat-insulating layer.
In order to enhance the tensile strength of the plastic film, the plastic film for packaging of the present invention is preferably configured such that the base layer includes an upper plastic film, a lower plastic film, and an intermediate reinforcing layer disposed between the upper plastic film and the lower plastic film, and the upper plastic film and the lower plastic film are respectively fixedly connected to the first heat insulating layer.
In order to provide better heat insulation effect for the plastic film, the plastic film for packaging of the utility model is preferably characterized in that a second heat insulation layer is fixedly connected between the opposite end of the two flame retardant layers and the reinforcing layer.
In order to enhance the strength of the plastic film, the plastic film for packaging is preferably provided with the middle reinforcing layer which is of a grid structure and is made by combining and twisting aramid fibers and polyester fibers.
In order to have better heat insulation effect, the plastic film for packaging of the utility model is preferably that the first heat insulation layer and the second heat insulation layer are both aluminum foil layers.
In order to make the plastic film body have high strength and aging resistance, the plastic film for packaging of the utility model is preferable, and the reinforcing layer is a nylon plastic film.
Compared with the prior art, the utility model has the beneficial effects that:
the plastic film for packaging can increase the tensile property of the plastic film through the base layer, thereby increasing the overall stability of the plastic film, the plastic film can have better heat insulation effect through the first heat insulation layer, the plastic film can be further protected through the protective layer, the corrosion resistance of the plastic film can be increased through the corrosion-resistant layer, the corrosion of external chemical substances to the plastic film is reduced, the static phenomenon in the process of using the plastic film can be prevented through the shielding layer, meanwhile, the dust adhesion caused by static can be avoided, the plastic film has good anti-static function, the toughness of the plastic film and the strength of the plastic film can be enhanced through the reinforcing layer, so that the plastic film has higher explosion-proof performance, the plastic film can be prevented from being ignited by open fire through the flame-retardant layer, the wear-resistant layer has wear resistance and toughness, and scratches of the external contact surface can be reduced, thereby enhancing its useful life.
Drawings
FIG. 1 is a view showing the structure of a plastic film for packaging of the present invention;
FIG. 2 is a cross-sectional view of a substrate of the present invention;
fig. 3 is a cross-sectional view of a protective layer of the present invention.
In the figure, 1, base layer; 101. coating a plastic film; 102. a plastic film is arranged; 103. a middle reinforcing layer; 2. a first insulating layer; 3. a protective layer; 301. a corrosion-resistant layer; 302. a shielding layer; 303. a reinforcing layer; 4. a second thermal insulation layer; 5. a flame retardant layer; 6. and a wear-resistant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-3, a plastic film for packaging, comprising: the plastic film comprises a plastic film body, wherein the plastic film body comprises a base layer 1, and first heat insulation layers 2 are arranged on the upper end surface and the lower end surface of the base layer 1;
the protective layers 3 are respectively arranged at the opposite ends of the two first heat insulation layers 2, the flame retardant layers 5 are respectively arranged at the opposite ends of the two protective layers 3, and the wear-resistant layers 6 are respectively fixedly connected at the opposite ends of the two flame retardant layers 5;
the protective layer 3 comprises a corrosion-resistant layer 301, a shielding layer 302 and a reinforcing layer 303 which are sequentially distributed from inside to outside, and the corrosion-resistant layer 301 is fixedly connected with the first heat-insulating layer 2.
In this embodiment: the tensile property of the plastic film can be increased through the base layer 1, so that the overall stability of the plastic film is increased, the plastic film can have a better heat insulation effect through the first heat insulation layer 2, the plastic film can be further protected through the protective layer 3, the corrosion resistance of the plastic film can be increased through the corrosion-resistant layer 301, the corrosion of external chemical substances to the plastic film is reduced, the electrostatic phenomenon in the process of using the plastic film can be prevented through the shielding layer 302, meanwhile, the dust adhesion caused by the electrostatic can be avoided, the plastic film has a good anti-static function, the toughness of the plastic film and the strength of the plastic film can be enhanced through the reinforcing layer 303, so that the plastic film has higher explosion-proof performance, the plastic film can be prevented from being ignited by open fire through the flame-retardant layer 5, the wear-resistant layer 6 has wear resistance and toughness, and scratches on the external contact surface can be reduced, thereby enhancing its useful life.
As a technical optimization scheme of the utility model, the base layer 1 comprises an upper plastic film 101, a lower plastic film 102 and a middle reinforcing layer 103 positioned between the upper plastic film 101 and the lower plastic film 102, and the upper plastic film 101 and the lower plastic film 102 are respectively fixedly connected with the first heat insulation layer 2.
In this embodiment: the upper and lower plastic films 101 and 102 and the intermediate reinforcing layer 103 are fitted to each other, so that the tensile strength of the base layer 1 can be increased, and the tensile strength of the plastic films can be further increased.
As a technical optimization scheme of the utility model, a second heat insulation layer 4 is fixedly connected between one opposite end of each of the two flame-retardant layers 5 and the reinforcing layer 303.
In this embodiment: the plastic film can have a better heat insulation effect through the second heat insulation layer 4.
As a technical optimization scheme of the utility model, the middle reinforcing layer 103 is of a grid structure and is made by combining and twisting aramid fibers and polyester fibers.
In this embodiment: the middle reinforcing layer 103 is of a grid structure and is made by combining and twisting aramid fibers and polyester fibers, so that the high tensile strength is achieved, the strength of the middle reinforcing layer 103 is enhanced, and the strength of the plastic film is enhanced.
As a technical optimization scheme of the utility model, the first thermal insulation layer 2 and the second thermal insulation layer 4 are both aluminum foil layers.
In this embodiment: be the aluminium foil layer through first insulating layer 2 and second insulating layer 4, because of the aluminium foil layer is ultra-thin structure, the compliance is good to not influence the wholeness ability of plastic film, and have better thermal-insulated effect.
As a technical optimization scheme of the utility model, the reinforcing layer 303 is a nylon plastic film.
In this embodiment: the reinforcing layer 303 is a nylon plastic film, so that the plastic film body has high strength and is aging-resistant.
The working principle and the using process of the utility model are as follows: firstly, the tensile strength of the plastic film can be increased through the base layer 1, specifically, the tensile strength of the base layer 1 can be increased through the mutual matching of the upper plastic film 101, the lower plastic film 102 and the middle reinforcing layer 103, so that the tensile strength of the plastic film can be further enhanced, the overall stability of the plastic film is increased, then, the plastic film can have a better heat insulation effect through the first heat insulation layer 2 and the second heat insulation layer 4, the plastic film can be further protected through the protective layer 3, specifically, the corrosion resistance of the plastic film can be increased through the corrosion-resistant layer 301, the corrosion of external chemical substances to the plastic film is reduced, the electrostatic phenomenon can be prevented from occurring in the process of using the plastic film through the shielding layer 302, meanwhile, the dust adhesion caused by the electrostatic can be avoided, the good antistatic function is achieved, the toughness of the plastic film and the strength of the plastic film can be enhanced through the reinforcing layer 303, the plastic film has high explosion-proof performance, open fire can be prevented from igniting the plastic film through the flame-retardant layer 5, the wear-resistant layer 6 has wear resistance and toughness, scratches of the contact surface with the outside can be reduced, and the service life of the plastic film is prolonged.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A plastic film for packaging, comprising: the plastic film comprises a plastic film body, wherein the plastic film body comprises a base layer (1), and first heat insulation layers (2) are arranged on the upper end face and the lower end face of the base layer (1);
the protective layers (3) are respectively arranged at the opposite ends of the two first heat insulation layers (2), the flame retardant layers (5) are respectively arranged at the opposite ends of the two protective layers (3), and the wear-resistant layers (6) are respectively fixedly connected at the opposite ends of the two flame retardant layers (5);
the protective layer (3) comprises a corrosion-resistant layer (301), a shielding layer (302) and a reinforcing layer (303) which are sequentially distributed from inside to outside, and the corrosion-resistant layer (301) is fixedly connected with the first heat-insulating layer (2).
2. A plastic film for packaging according to claim 1, wherein: the base layer (1) comprises an upper plastic film (101), a lower plastic film (102) and a middle reinforcing layer (103) positioned between the upper plastic film (101) and the lower plastic film (102), wherein the upper plastic film (101) and the lower plastic film (102) are fixedly connected with the first heat insulation layer (2) respectively.
3. A plastic film for packaging according to claim 1, wherein: and a second heat insulation layer (4) is fixedly connected between one end of each of the two flame-retardant layers (5) opposite to the reinforcing layer (303).
4. A plastic film for packaging according to claim 2, wherein: the middle reinforcing layer (103) is of a grid structure and is made by combining and twisting aramid fibers and polyester fibers.
5. A plastic film for packaging according to claim 1, wherein: the first heat insulation layer (2) and the second heat insulation layer (4) are both aluminum foil layers.
6. A plastic film for packaging according to claim 1, wherein: the reinforcing layer (303) is a nylon plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123052806.XU CN216942147U (en) | 2021-12-07 | 2021-12-07 | Plastic film for packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123052806.XU CN216942147U (en) | 2021-12-07 | 2021-12-07 | Plastic film for packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216942147U true CN216942147U (en) | 2022-07-12 |
Family
ID=82306203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123052806.XU Expired - Fee Related CN216942147U (en) | 2021-12-07 | 2021-12-07 | Plastic film for packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216942147U (en) |
-
2021
- 2021-12-07 CN CN202123052806.XU patent/CN216942147U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |