CN214056813U - Polyethylene sheet for industrial packaging - Google Patents
Polyethylene sheet for industrial packaging Download PDFInfo
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- CN214056813U CN214056813U CN202022699833.5U CN202022699833U CN214056813U CN 214056813 U CN214056813 U CN 214056813U CN 202022699833 U CN202022699833 U CN 202022699833U CN 214056813 U CN214056813 U CN 214056813U
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Abstract
The utility model belongs to the industrial packaging material field relates to a polyethylene sheet for industrial packaging, including the polyethylene layer that has first face and second face, this polyethylene layer is flash evaporation method non-woven materials, its characterized in that: the polyethylene layer is characterized in that a wear-resistant layer is arranged on one side of the first surface of the polyethylene layer, and a hydrophobic layer is arranged on one side of the second surface of the polyethylene layer. The utility model discloses an improvement product to individual layer flash distillation method non-woven material through set up wearing layer and hydrophobic layer respectively in polyethylene layer both sides for have more excellent mechanical properties among the packaging material, can make the product of inside encapsulation fully keep apart with outside, avoid moisture to adhere to in the polyethylene layer and outside wearing layer can prevent the polyethylene layer, improve the wear resistance of polyethylene sheet.
Description
Technical Field
The utility model belongs to the industrial packaging material field relates to a polyethylene sheet, especially relates to a polyethylene sheet for industrial packaging.
Background
Polyethylene sheets are commonly used in industrial packaging, in packaging processes such as forming, canning or sealing, as sealing material for packaging bags or containers. The traditional polyethylene sheet is formed by extruding and stretching polyethylene master batches at one time. Flash-spun nonwoven polyethylene materials are currently widely used due to their excellent strength properties and good barrier properties.
For example, U.S. patent nos. 5,047,121 and 5,242,546 disclose methods of making flash spun polyethylene scrap sheet material. According to the method, flash spun polyethylene flake material is first chopped and refined to form a slurry. The slurry is mixed with water and a surfactant to produce a slurry which is then made into a sheet by a wet-laid papermaking process.
The flash evaporation method non-woven polyethylene material prepared by the technical scheme has good performance, but can not well meet the harsh use and transportation conditions of industrial packaging.
Disclosure of Invention
The object of the present application is to address the above problems, providing a polyethylene sheet for industrial packaging;
in order to achieve the above purpose, the utility model adopts the following technical proposal:
the application creatively provides a polyethylene sheet for industrial packaging, including the polyethylene layer that has first face and second face, this polyethylene layer is flash evaporation process non-woven materials, first face one side on polyethylene layer is equipped with the wearing layer, and second face one side on polyethylene layer is equipped with the hydrophobic layer.
In the above polyethylene sheet for industrial packaging, the wear-resistant layer is a nano ceramic coating, a polyimide layer or a silicone-based coating.
In foretell a polyethylene sheet for industrial packaging, the polyethylene layer is still including locating the printing layer on its first face, the wearing layer is including locating PVC calendering rete, transparent zinc oxide/organosilicon nanometer composite coating and the dull polish layer on the printing layer on polyethylene layer in proper order.
In the above polyethylene sheet for industrial packaging, the hydrophobic layer is a silicone rubber coating, a fluoropolymer layer, or a nano hydrophobic coating.
In the above polyethylene sheet for industrial packaging, a side of the hydrophobic layer facing away from the polyethylene layer is provided with a protective film layer.
In the above polyethylene sheet for industrial packaging, the protective film layer is an electrostatic film.
In the above polyethylene sheet for industrial packaging, a low viscosity adhesive is attached to the surface of the protective film layer, the protective film layer is connected to the hydrophobic layer by the low viscosity adhesive, and the peel force of the protective film layer on the hydrophobic layer is 3 to 10N/25 mm.
In the above polyethylene sheet for industrial packaging, the low viscosity adhesive is a silicone rubber adhesive.
In the above polyethylene sheet for industrial packaging, the protective film layer is a biodegradable starch-based film, a PVC film or a PE film.
In one of the above polyethylene sheets for industrial packaging, the fluoropolymer layer is made of polytetrafluoroethylene, polyvinylidene fluoride or other fluoropolymers.
Compared with the prior art, the utility model has the advantages of:
1) the utility model discloses an improvement product to individual layer flash distillation method non-woven material through set up wearing layer and hydrophobic layer respectively in polyethylene layer both sides, makes it can be arranged in industry packaging material, can enough remain the outstanding dimensional stability of flash distillation method non-woven material, has more excellent mechanical properties simultaneously, can make the product of inside encapsulation fully keep apart with outside, avoids moisture to adhere to in the polyethylene layer and outside wearing layer can prevent the polyethylene layer, improves the wear resistance of polyethylene sheet.
2) Through the multilayer structure of PVC calendering rete, transparent zinc oxide organosilicon nanometer composite coating and dull polish layer, have stronger anti abrasionproof effect of scraping to transparent material is all chooseed for use to PVC calendering rete, transparent zinc oxide organosilicon nanometer composite coating and dull polish layer, can show trade mark or pattern on the polyethylene layer printing layer, can promote the performance of ultraviolet resistance and ageing resistance simultaneously.
3) The packaging product has stronger fingerprint and scratch resistant effects through the sanding film, the friction force outside the package is enhanced, and the anti-skidding effect and better texture are achieved.
4) The protective film layer can prevent the surface of the hydrophobic layer from being scratched by the frosted layer due to extrusion and friction in the transportation and storage processes.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment provided in the present application.
Fig. 2 is a schematic structural diagram of a second embodiment provided in the present application.
Fig. 3 is a schematic structural diagram of a third embodiment provided in the present application.
In the figure, the coating comprises a wear-resistant layer 1, a PVC calendered film layer 11, a transparent zinc oxide/organic silicon nano composite coating 12, a frosted layer 13, a polyethylene layer 2, a first surface 21, a second surface 22, a printing layer 23, a hydrophobic layer 3, a protective film layer 4 and a low-viscosity adhesive 5.
Detailed Description
Further illustrated by the following specific examples;
example one
As shown in fig. 1, a polyethylene sheet for industrial packaging comprises a polyethylene layer 2 having a first surface 21 and a second surface 22, the polyethylene layer 2 is a flash evaporation nonwoven material, a printing layer 23 is provided on the first surface 21 of the polyethylene layer 2, an abrasion-resistant layer 1 is provided on the printing layer 23, and a hydrophobic layer 3 is provided on the second surface 22 of the polyethylene layer 2. The utility model discloses a set up wearing layer 1 and hydrophobic layer 3 respectively in 2 both sides on polyethylene layer, compare with individual layer flash distillation method non-woven as packaging material, have more excellent mechanical properties, can make the product of inside encapsulation fully keep apart with the outside, avoid moisture to adhere to in polyethylene layer 2 and outside wearing and tearing that external wearing layer 1 can prevent polyethylene layer 2 and its printed pattern, improve the wear resistance of polyethylene sheet.
Specifically, the flash evaporation nonwoven material is flash evaporation nonwoven fabric, also called flash evaporation nonwoven fabric, which is a nonwoven fabric material obtained by spinning polyethylene material by using a flash evaporation method and then passing the spun polyethylene material through an adhesive or hot pressing. Among them, as the spinning method, a method and an apparatus for dissolving a polymer in a solvent as disclosed in patent publication No. CN111389288A, and a method described in a safe solution spinning method as disclosed in patent publication No. CN111286790A can be used. It should be noted that flash evaporation nonwovens do not exclude the possibility of other commercially available products.
The wear-resistant layer 1 comprises a PVC calendering film layer 11, a transparent zinc oxide/organic silicon nano composite coating 12 and a frosting layer 13 which are sequentially arranged on the first surface 21 of the polyethylene layer 2. The calendered film layer of PVC 11 is bonded to the first side 21 of the polyethylene layer 2 by hot pressing. The transparent zinc oxide/organic silicon nano composite coating 12 is prepared by grafting nano zinc oxide particles onto hydrogen-containing polysiloxane and then reacting with vinyl-terminated polysiloxane in the prior art, and has good heat resistance and ultraviolet resistance. Through the multilayer structure of PVC calendering rete 11, transparent zinc oxide/organosilicon nanometer composite coating 12 and dull polish layer 13, have stronger anti abrasionproof effect of scraping to transparent material can all be chooseed for use to PVC calendering rete 11, transparent zinc oxide/organosilicon nanometer composite coating 12 and dull polish layer 13, can show trade mark or pattern on 2 printing layers 23 on the polyethylene layer, can promote anti ultraviolet's effect simultaneously. The transparent zinc oxide/organic silicon nano composite coating 12 is coated on the PVC calendering film layer 11, and the addition of the PVC calendering film layer 11 is beneficial to the connection of the transparent zinc oxide/organic silicon nano composite coating 12 and the polyethylene layer 2. The frosted layer 13 may be a high light transmittance coating or film with a frosting mechanism, for example, a transparent PET film, PVC film, PE film or other transparent film processed by a frosting process, and is bonded with the transparent zinc oxide/silicone nanocomposite coating 12 by a hot pressing method or an adhesive. As another example, the matte coating described in CN 111116954A. The sanding film 13 enables the packaged product to have stronger fingerprint and scratch resistant effects, enhances the friction force outside the package, and has an anti-skidding effect and better texture.
Specifically, the hydrophobic layer 3 is a silicone rubber coating, a fluoropolymer layer, or a nano hydrophobic coating. The silicone rubber coating, fluoropolymer layer and nano-hydrophobic coating are all commercially available products. Wherein the fluoropolymer layer is made of polytetrafluoroethylene, polyvinylidene fluoride or other fluoropolymers. The product has good hydrophobic property when being used for contacting with a packaged product, and can be used for storing products with liquid.
And a protective film layer 4 is arranged on one side of the hydrophobic layer 3, which is deviated from the polyethylene layer 2. The protective film layer 4 is a biodegradable starch-based film or a PVC film. The surface of the protective film layer 4 is adhered with a silicon rubber adhesive or other low-viscosity adhesive 5, the protective film layer 4 is connected with the hydrophobic layer 3 through the low-viscosity adhesive 5, and the 180-degree peeling force of the protective film layer 4 on the hydrophobic layer 3 is 3-10N/25 mm. The surface of the hydrophobic layer 3 can be prevented from being scratched by the frosted layer due to extrusion and friction during transportation and storage.
Example two
As shown in fig. 2, the present embodiment is substantially the same as the first embodiment, except that: the protective film layer 4 is a PE electrostatic film. I.e. the protective film layer 4 is connected to the hydrophobic layer 3 by static electricity. The 180-degree peel force of the PE electrostatic film on the hydrophobic layer 3 is 2.0-6.5N/25 mm.
EXAMPLE III
As shown in fig. 3, the present embodiment is substantially the same as the first embodiment, except that: the polyethylene sheet for industrial packaging does not comprise a printing layer and a protective film layer, the first surface 21 of the polyethylene layer 2 is directly connected with the wear-resistant layer 1, and the wear-resistant layer 1 is a nano ceramic coating, a polyimide layer or an organic silicon coating. The nano ceramic coating, the polyimide layer and the organic silicon coating are all commercially available products. Wherein, the organic silicon coating can be made of organic silicon modified polyester resin wear-resistant paint.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms abrasion resistant layer 1, PVC calendered film layer 11, transparent zinc oxide/silicone nanocomposite coating 12, frosted layer 13, polyethylene layer 2, first face 21, second face 22, print layer 23, hydrophobic layer 3, protective film layer 4, low viscosity adhesive 5, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (9)
1. Polyethylene sheet for industrial packaging comprising a polyethylene layer (2) having a first face (21) and a second face (22), the polyethylene layer (2) being a flash-evaporated nonwoven material, characterized in that: the wear-resistant polyethylene coating is characterized in that one side of a first surface (21) of the polyethylene layer (2) is provided with a wear-resistant layer (1), and one side of a second surface (22) of the polyethylene layer (2) is provided with a hydrophobic layer (3).
2. A polyethylene sheet for industrial packaging as claimed in claim 1 wherein: the wear-resistant layer (1) is a nano ceramic coating, a polyimide layer or an organic silicon coating.
3. A polyethylene sheet for industrial packaging as claimed in claim 1 wherein: polyethylene layer (2) is still including locating printing layer (23) on its first face (21), wearing layer (1) is including locating PVC calendering rete (11), transparent zinc oxide/organosilicon nanometer composite coating (12) and dull polish layer (13) on polyethylene layer's (2) printing layer (23) in proper order.
4. A polyethylene sheet for industrial packaging as claimed in claim 1 wherein: the hydrophobic layer (3) is a silicon rubber coating, a fluorine-containing polymer layer or a nano hydrophobic coating.
5. A polyethylene sheet for industrial packaging as claimed in claim 1 wherein: and a protective film layer (4) is arranged on one side of the hydrophobic layer (3) deviating from the polyethylene layer (2).
6. A polyethylene sheet for industrial packaging according to claim 5, wherein: the protective film layer (4) is an electrostatic film.
7. A polyethylene sheet for industrial packaging according to claim 5, wherein: the surface of the protective film layer (4) is adhered with a low-viscosity adhesive (5), the protective film layer (4) is connected with the hydrophobic layer (3) through the low-viscosity adhesive (5), and the peeling force of the protective film layer (4) on the hydrophobic layer (3) is 3-10N/25 mm.
8. A polyethylene sheet for industrial packaging as claimed in claim 7 wherein: the low-viscosity adhesive (5) is a silicone rubber adhesive.
9. A polyethylene sheet for industrial packaging according to claim 5, wherein: the protective film layer (4) is a biodegradable starch-based film, a PVC film or a PE film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022699833.5U CN214056813U (en) | 2020-11-20 | 2020-11-20 | Polyethylene sheet for industrial packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022699833.5U CN214056813U (en) | 2020-11-20 | 2020-11-20 | Polyethylene sheet for industrial packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214056813U true CN214056813U (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022699833.5U Active CN214056813U (en) | 2020-11-20 | 2020-11-20 | Polyethylene sheet for industrial packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214056813U (en) |
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2020
- 2020-11-20 CN CN202022699833.5U patent/CN214056813U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220718 Address after: 226000 room 514, No. 42, Guangzhou road, development zone, Nantong City, Jiangsu Province (office space) Patentee after: Jiangsu Qingyun New Material Technology Co.,Ltd. Address before: 314000 south side of original factory, Jufu village, Huanggu Town, dushangang Town, Pinghu City, Jiaxing City, Zhejiang Province (3 buildings in Pinghu Feida Garment Co., Ltd.) Patentee before: Zhejiang Qingyun New Material Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 166, Jianghai Road, Development Zone, Nantong City, Jiangsu Province 226010 Patentee after: Jiangsu Qingyun New Materials Co.,Ltd. Address before: 226000 room 514, No. 42, Guangzhou road, development zone, Nantong City, Jiangsu Province (office space) Patentee before: Jiangsu Qingyun New Material Technology Co.,Ltd. |
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