CN213167258U - Recyclable composite blow molding or plastic uptake packaging material - Google Patents
Recyclable composite blow molding or plastic uptake packaging material Download PDFInfo
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- CN213167258U CN213167258U CN202022932149.7U CN202022932149U CN213167258U CN 213167258 U CN213167258 U CN 213167258U CN 202022932149 U CN202022932149 U CN 202022932149U CN 213167258 U CN213167258 U CN 213167258U
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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Abstract
The utility model relates to a packing sheet material technical field, it discloses a recoverable compound blowing or plastic uptake packaging material, has solved the unable technical problem who effectively separates and the unable recovery that leads to behind the different chemical structure compounds of present compound packing sheet multilayer, including surface course, middle supporting layer, sealed inlayer and with the compound two-layer adhesive linkage together in each layer, the medial surface or the middle supporting layer lateral surface printing of surface course have the pattern layer, the pattern layer is located the surface course with between the middle supporting layer, surface course, middle supporting layer, sealed inlayer and two-layer adhesive linkage, the quality of the same material of its chemical structure accounts for more than 90%. According to the technical scheme, the utility model discloses aim at adopting the quality to account for the same chemical structure material more than 90% and realize the recoverability of composite packaging sheet.
Description
Technical Field
The utility model relates to a packaging sheet material technical field, more specifically say, it relates to a recoverable compound blow molding or blister packaging material.
Background
The blow/suction molding process softens the thermoplastic plastics and remoldes the thermoplastic plastics into products with different shapes by performing a vacuum air suction mode or a blowing mode in the set mould, and becomes a main mode for molding the thermoplastic materials due to the advantages of low pressure resistance requirement on the mould, high product molding speed, simple operation and the like. With the wide application of PE/PP/PS/PET/PA and other thermoplastic plastics which can be used for food contact, the special-shaped molding advantage can be realized by combining blow molding/plastic molding, and the special-shaped thermoplastic plastic can be widely used for packaging paste or liquid products such as food, medicines and the like.
However, as a blow/suction packaging material, the material not only needs to meet the mechanical and thermal performance requirements of heat resistance of a surface layer, formability of the material, heat sealability of an inner layer material and the like in the forming process, but also needs to meet the chemical barrier performance requirements of moisture, oxygen, smell and the like required by a packing material. The retail consumer market facing the packaging material is one of the requirements that blow/suction packaging materials meet, as well as how to meet the printability requirements of various color patterns of the packaging material.
In order to meet various performance requirements such as mechanical property, thermal property, chemical property and the like required by a blow/suction packaging material, in the prior art, a composite sheet is formed by adopting a composite process for materials with different properties, which is the main type of the existing food blow/suction packaging material, for example, a PA/PET material with good printability and mechanical and thermal properties, a PS/PP/PVC material with good processing property and a multi-layer co-extrusion PE material with heat sealing property, chemical barrier property and easy uncovering property are compounded into the composite sheet. So as to meet the packaging requirements of various pasty, liquid or oily foods and medicines in the retail consumer market, such as cheese, edible oil foods, oral liquid, pesticide and other medicines.
However, most of the existing composite sheet material structures are combinations of materials with different chemical structures, and the mass ratio of the materials with the same chemical structure is far lower than 90%, while the existing plastic recycling system can not realize effective recycling of the composite structure with the mass ratio of the materials with the same chemical structure being lower than 90%.
SUMMERY OF THE UTILITY MODEL
The problem of the unable effective recovery of different chemical structure of composite packaging sheet material that proposes in to the background art, the utility model discloses aim at solving the recoverable nature problem of multilayer composite packaging sheet material through adopting the same chemical structure quality to account for more than 90%.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a recoverable compound blow molding or plastic uptake packaging material, includes surface course, middle supporting layer, sealed inlayer and with the two-layer adhesive linkage of each layer complex together, the medial surface of surface course or the lateral surface printing of middle supporting layer have the pattern layer, the pattern layer is located the surface course with between the middle supporting layer, the outside surface of sealed inlayer has similar cellular or island-like concave-convex structure in the microcosmic meaning, realizes the easy tearing open nature of heat-sealed back product.
Through the technical scheme, the pattern layer is printed on the inner side surface of the surface layer or the outer side surface of the middle supporting layer, the pattern layer is called as 'inner print', 'inner print' and 'surface print' in the industry, and the 'surface print' refers to the pattern layer printed on the surface of the middle supporting layer. Meanwhile, the concave-convex structure is arranged on the outer side surface of the sealing inner layer, the concave-convex structure is similar to a honeycomb coal-shaped or sea-island-shaped structure in a microscopic sense, a gap between the sealing inner layer and a package (food) can be enlarged, and the sealing inner layer is more convenient to uncover.
The utility model discloses further set up to: the facing is configured to: polyethylene terephthalate PET;
the intermediate support layer is configured to: amorphous polyethylene terephthalate APET;
the seal inner layer is configured to: multilayer coextrudates of polyethylene terephthalate and ethylene-vinyl alcohol copolymers, multilayer coextrusion of PET and EVOH with PET & EVOH.
By the technical scheme, the surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
The utility model discloses further set up to: the facing is configured to: polyethylene terephthalate PET;
the intermediate support layer is configured to: amorphous polyethylene terephthalate APET;
the seal inner layer is configured to: multi-layer co-extrusion of Mul-PE & EVOH of ethylene and ethylene vinyl alcohol copolymers.
By the technical scheme, the surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
The utility model discloses further set up to: the facing is configured to: polyethylene terephthalate PET;
the intermediate support layer is configured to: polyethylene terephthalate-1, 4-cyclohexanedimethanol ester and amorphous polyethylene terephthalate multi-layer co-extrusion GAG;
the seal inner layer is configured to: multilayer coextrusion PET & EVOH.
By the technical scheme, the surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
The utility model discloses further set up to: the facing is configured to: casting polypropylene CPP;
the intermediate support layer is configured to: casting polypropylene CPP;
the seal inner layer is configured to: multi-layer co-extrusion of Mul-PE & EVOH of ethylene and ethylene vinyl alcohol copolymers.
By the technical scheme, the surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
The utility model discloses further set up to: the facing is configured to: casting polypropylene CPP;
the intermediate support layer is configured to: co-extruding polypropylene PP;
the seal inner layer is configured to: multi-layer co-extrusion of Mul-PE & EVOH of ethylene and ethylene vinyl alcohol copolymers.
By the technical scheme, the surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
The utility model discloses further set up to: the facing is configured to: co-extruding polypropylene PP;
the intermediate support layer is configured to: co-extruding polypropylene PP;
the seal inner layer is configured to: multi-layer co-extrusion of Mul-PE & EVOH of ethylene and ethylene vinyl alcohol copolymers.
By the technical scheme, the surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
The utility model discloses further set up to: the thickness of the surface layer is 0.002 mm-0.2 mm, and the surface layer is used for meeting the requirement of packaging materials on printability and the requirement of the processing process on the heat resistance of the surface layer;
the thickness of the middle supporting layer is 0.05 mm-1 mm, and the middle supporting layer is used for meeting the requirements of a material forming supporting structure in the blowing/plastic suction forming process and the mechanical property required by the composite packaging sheet;
the thickness of the sealing inner layer is 0.002 mm-0.2 mm, and the sealing inner layer is used for meeting the requirements of heat sealing performance, easy tearing performance or barrier performance of the packaging material.
The utility model discloses further set up to: the thickness of the bonding layer is 0.001 mm-0.01 mm, and the material of the bonding layer is polyurethane or an acrylic acid system.
To sum up, the utility model discloses following beneficial effect has:
the surface layer and the middle supporting layer have the same chemical components and different physical properties, account for more than 90% of the total mass of the sheet material, and can be directly recycled and degraded for use.
Drawings
FIG. 1 is a schematic view of a layer structure of a sheet of packaging material;
FIG. 2 is a schematic view of a face layer structure of a packaging material sheet;
FIG. 3 is a schematic view of a honeycomb briquette-like concavo-convex structure;
fig. 4 is a schematic view of a sea-island-like uneven structure.
Reference numerals: 1. a surface layer; 2. a middle support layer; 3. sealing the inner layer; 4. an adhesive layer; 5. a pattern layer; 6. a relief structure.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Example 1
A recyclable composite blow molding or plastic uptake packaging material is shown in figures 1-4 and comprises a surface layer 1, a middle supporting layer 2, a sealing inner layer 3 and two bonding layers 4 for compounding the layers together, wherein a pattern layer 5 is printed on the inner side surface of the surface layer 1, the pattern layer 5 is positioned between the surface layer 1 and the middle supporting layer 2, and a concave-convex structure 6 is arranged on the outer side surface of the sealing inner layer 3, so that the easy uncovering property of a product after heat sealing is realized. The concavo-convex structure 6 is a honeycomb-like or sea-island structure.
The facing layer 1 is configured to: polyethylene terephthalate PET; the intermediate support layer 2 is configured to: amorphous polyethylene terephthalate APET; the seal inner layer 3 is configured to: multilayer coextrudates of polyethylene terephthalate and ethylene-vinyl alcohol copolymers, multilayer coextrusion of PET and EVOH with PET & EVOH. The surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
Wherein, surface course 1, thickness are 0.002mm ~0.2mm, and surface course 1 is used for satisfying packaging material to the requirement of printability, and the course of working is to surface course 1 heat resistance requirement. The thickness of the middle supporting layer 2 is 0.05 mm-1 mm, and the middle supporting layer 2 is used for meeting the requirements of a material forming supporting structure in a blowing/plastic suction forming process and meeting the mechanical property requirements required by the composite packaging sheet. The thickness of the sealing inner layer 3 is 0.002 mm-0.2 mm, and the sealing inner layer 3 is used for meeting the requirements of heat sealing performance, easy tearing performance or barrier performance of the packaging material. The thickness of the bonding layer 4 is 0.001 mm-0.01 mm, and the material of the bonding layer 4 is polyurethane or acrylic system.
Example 2
A recyclable composite blow-moulded or blister packaging material, the face layer 1 being configured to: polyethylene terephthalate PET; the intermediate support layer 2 is configured to: amorphous polyethylene terephthalate APET; the seal inner layer 3 is configured to: multi-layer co-extrusion of Mul-PE & EVOH of ethylene and ethylene vinyl alcohol copolymers. The surface layer and the middle supporting layer in the three-layer composite material account for more than 90 percent of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10 percent of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90 percent of the mass ratio of the total sheet, so the surface layer and the middle supporting layer can be directly recycled and degraded for use
Example 3
A recyclable composite blow-moulded or blister packaging material, the face layer 1 being configured to: polyethylene terephthalate PET; the intermediate support layer 2 is configured to: polyethylene terephthalate-1, 4-cyclohexanedimethanol ester and amorphous polyethylene terephthalate multi-layer co-extrusion GAG; the seal inner layer 3 is configured to: multilayer coextrusion PET & EVOH.
Example 4
A recyclable composite blow-moulded or blister packaging material, the face layer 1 being configured to: casting polypropylene CPP; the intermediate support layer 2 is configured to: casting polypropylene CPP; the seal inner layer 3 is configured to: multi-layer co-extrusion of Mul-PE & EVOH of ethylene and ethylene vinyl alcohol copolymers. The surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
Example 5
A recyclable composite blow-moulded or blister packaging material, the face layer 1 being configured to: casting polypropylene CPP; the intermediate support layer 2 is configured to: co-extruding polypropylene PP; the seal inner layer 3 is configured to: multi-layer co-extrusion of Mul-PE & EVOH of ethylene and ethylene vinyl alcohol copolymers. The surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
Example 6
A recyclable composite blow-moulded or blister packaging material, the face layer 1 being configured to: co-extruding polypropylene PP; the intermediate support layer 2 is configured to: co-extruding polypropylene PP; the seal inner layer 3 is configured to: multi-layer co-extrusion of Mul-PE & EVOH of ethylene and ethylene vinyl alcohol copolymers. The surface layer and the middle supporting layer in the three-layer composite material account for more than 90% of the mass ratio of the total sheet, the sealing inner layer accounts for less than 10% of the mass ratio of the total sheet, and the surface layer and the middle supporting layer have the same chemical components and different physical properties and account for more than 90% of the mass ratio of the total sheet, so that the surface layer and the middle supporting layer can be directly recycled and degraded for use.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The recyclable composite blow molding or plastic uptake packaging material comprises a surface layer, a middle supporting layer, a sealing inner layer and two bonding layers for compounding the layers together, and is characterized in that a pattern layer is printed on the inner side surface of the surface layer or the outer side surface of the middle supporting layer and is positioned between the surface layer and the middle supporting layer.
2. The recyclable composite blow-molded or blister packaging material of claim 1, wherein the face layer is configured to: polyethylene terephthalate PET;
the intermediate support layer is configured to: amorphous polyethylene terephthalate APET.
3. The recyclable composite blow-molding or blister packaging material as set forth in claim 1, wherein: the facing is configured to: casting polypropylene CPP;
the intermediate support layer is configured to: casting polypropylene CPP.
4. The recyclable composite blow-molding or blister packaging material as set forth in claim 1, wherein: the facing is configured to: casting polypropylene CPP;
the intermediate support layer is configured to: polypropylene PP.
5. The recyclable composite blow-molding or blister packaging material as set forth in claim 1, wherein: the facing is configured to: co-extruding polypropylene PP;
the intermediate support layer is configured to: and (3) co-extruding polypropylene PP.
6. A recyclable composite blow or blister packaging material according to any of claims 1 to 5, wherein: the thickness of the surface layer is 0.002 mm-0.2 mm;
the thickness of the middle supporting layer is 0.05 mm-1 mm;
the thickness of the sealing inner layer is 0.002 mm-0.2 mm.
7. A recyclable composite blow or blister packaging material according to any of claims 1 to 5, wherein: the thickness of the bonding layer is 0.001 mm-0.01 mm.
8. The recyclable composite blow-molding or blister packaging material as set forth in claim 1, wherein: the surface of the outer side of the sealing inner layer is provided with a concave-convex structure which is in a honeycomb or sea-island shape in a microscopic sense, so that the easy uncovering property of the product after heat sealing is realized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022932149.7U CN213167258U (en) | 2020-12-07 | 2020-12-07 | Recyclable composite blow molding or plastic uptake packaging material |
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| CN202022932149.7U CN213167258U (en) | 2020-12-07 | 2020-12-07 | Recyclable composite blow molding or plastic uptake packaging material |
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| CN213167258U true CN213167258U (en) | 2021-05-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519358A (en) * | 2020-12-07 | 2021-03-19 | 上海艾录包装股份有限公司 | Recyclable composite blow molding or plastic uptake packaging material |
| CN114103363A (en) * | 2021-12-06 | 2022-03-01 | 上海艾录包装股份有限公司 | Novel composite plastic uptake or blow molding sheet structure and process method thereof |
| CN116215031A (en) * | 2022-12-16 | 2023-06-06 | 青岛振昌工贸有限公司 | High-temperature-resistant steaming and boiling composite film, preparation method thereof and high-temperature-resistant steaming and boiling bag |
-
2020
- 2020-12-07 CN CN202022932149.7U patent/CN213167258U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519358A (en) * | 2020-12-07 | 2021-03-19 | 上海艾录包装股份有限公司 | Recyclable composite blow molding or plastic uptake packaging material |
| CN114103363A (en) * | 2021-12-06 | 2022-03-01 | 上海艾录包装股份有限公司 | Novel composite plastic uptake or blow molding sheet structure and process method thereof |
| CN116215031A (en) * | 2022-12-16 | 2023-06-06 | 青岛振昌工贸有限公司 | High-temperature-resistant steaming and boiling composite film, preparation method thereof and high-temperature-resistant steaming and boiling bag |
| CN116215031B (en) * | 2022-12-16 | 2023-09-26 | 青岛振昌工贸有限公司 | High-temperature-resistant steaming and boiling composite film, preparation method thereof and high-temperature-resistant steaming and boiling bag |
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