CN204979606U - Exchanging of heat -seal be can repeat and plastic wrap book or freshness protection package are opened - Google Patents
Exchanging of heat -seal be can repeat and plastic wrap book or freshness protection package are opened Download PDFInfo
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- CN204979606U CN204979606U CN201520540341.8U CN201520540341U CN204979606U CN 204979606 U CN204979606 U CN 204979606U CN 201520540341 U CN201520540341 U CN 201520540341U CN 204979606 U CN204979606 U CN 204979606U
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Abstract
一种可重复热封的易开启保鲜膜卷或保鲜袋，其特征在于：该可重复热封的易开启保鲜膜卷或保鲜袋由第一复合薄膜和第二复合薄膜组成，所述第一复合薄膜由热封层、至少一层阻隔层和对应的粘合层共挤出复合构成，热封层位于第一复合薄膜的表层；所述第二复合薄膜由具有内聚剥离功能的热封层、至少一层阻隔层和对应的粘合层共挤出复合构成，具有内聚剥离功能的热封层位于第二复合薄膜的表层，该具有内聚剥离功能的热封层由聚烯烃层及改性聚烯烃层层叠组成，改性聚烯烃层位于第二复合薄膜的表层；所述第一复合薄膜的热封层与第二复合薄膜的具有内聚剥离功能的热封层面对面设置。本实用新型开启时手感平滑无顿挫感，无拉丝、带毛刺现象。
A repeatable heat-sealable easy-open fresh-keeping film roll or fresh-keeping bag is characterized in that: the repeatable heat-sealable easy-open fresh-keeping film roll or fresh-keeping bag is composed of a first composite film and a second composite film, the first The composite film is composed of a heat-sealing layer, at least one barrier layer and a corresponding adhesive layer, and the heat-sealing layer is located on the surface layer of the first composite film; layer, at least one barrier layer and the corresponding adhesive layer are coextruded and composited, and the heat-sealing layer with cohesive peeling function is located on the surface layer of the second composite film, and the heat-sealing layer with cohesive peeling function is composed of a polyolefin layer The modified polyolefin layer is stacked on the surface layer of the second composite film; the heat-sealing layer of the first composite film and the heat-sealing layer with cohesive peeling function of the second composite film are arranged facing each other. When the utility model is opened, the hand feeling is smooth without frustration, and there is no wire drawing or burr phenomenon.
Description
Technical field
The utility model relates to flexible packaging industry, particularly relates to a kind of easy unlatching freshness-retaining film roll or the freshness protection package that repeat heat-sealing, can be applicable to vacuum packaging, gas flush packaging and ordinary packing etc.
Background technology
Along with the development of industrial-scale production and people are to the raising of products quality consciousness, product preservation technique constantly improves.Existing home-use heat sealable freshness-retaining film roll or freshness protection package, can be used for storing Normal Atmospheric Temperature Liquid and solid, generally be applicable to light packaging, and cannot directly be torn by hand when usually opening, or feel pause and transition in rhythm or melody when tearing, there is wire drawing in avulsed heat-seal land, band burr, often need the position of heat-sealing to cut just can open, use inconvenience.So, how a kind of easy unlatching freshness-retaining film roll or the freshness protection package that repeat heat-sealing are provided, meet fresh-keeping volume film or freshness protection package charge weitght more than three kilograms, when temperature is not less than the liquid or solid of 70 DEG C, suspension status lower sealing does not ftracture, and just becomes research topic of the present utility model.
Summary of the invention
The purpose of this utility model is to provide a kind of easy unlatching freshness-retaining film roll film or the freshness protection package that repeat heat-sealing.
For achieving the above object, the technical solution adopted in the utility model is: a kind of easy unlatching freshness-retaining film roll or freshness protection package repeating heat-sealing, its innovation is: this can repeat seal easy unlatching freshness-retaining film roll or freshness protection package be made up of the first laminated film and the second laminated film, first laminated film and the second laminated film are multi layer coex composite membranes, wherein:
Described first laminated film is made up of the bonding coat coextrusion compound of hot sealing layer, at least one deck barrier layer and correspondence, and wherein, hot sealing layer is positioned at the top layer of the first laminated film;
Described second laminated film is made up of the bonding coat coextrusion compound of hot sealing layer, at least one deck barrier layer and the correspondence with interior poly-stripping function, wherein, the hot sealing layer with interior poly-stripping function is positioned at the top layer of the second laminated film, this hot sealing layer with interior poly-stripping function is by polyolefin layer and improved polyalkene stacked group one-tenth layer by layer, and modified polyolefin hydrocarbon layers is positioned at the top layer of the second laminated film;
The hot sealing layer of described first laminated film and the hot sealing layer with interior poly-stripping function of the second laminated film are arranged face-to-face, and fit by sealing impression on the first laminated film and the second laminated film dual-side position, the easy unlatching freshness-retaining film roll that can repeat to seal is formed with this, or by the laminating of heat-sealing impression on the position that dual-side adds base, form the easy unlatching freshness protection package that can repeat to seal with this.
Related content in technique scheme is explained as follows:
1, in such scheme, described first laminated film and the middle at least one inside face of the second laminated film are provided with concavo-convex alternate embossing, and the recess of embossing forms the air drain be communicated with.
2, in such scheme, the inside face of described first laminated film and the middle one of the second laminated film is provided with concavo-convex alternate embossing, and the recess of embossing forms the air drain be communicated with, and the outside face of another one has printing information.
3, in such scheme, the outside face of described first laminated film and the middle at least one of the second laminated film has printing information.
4, in such scheme, described heat-sealing impression is formed by hot sealing process.
5, in such scheme, described " corresponding bonding coat " refers to be: in laminated film, when adjacent two layers is different materials, need to use bonding coat to bond, as PA layer and PE layer being bonded together, then bondd by the bonding coat based on PE between PA layer and PE layer, this belongs to the common practise of this area.
6, in such scheme, described " modified polyolefin hydrocarbon layers " refers to and be mixed into material inconsistent with it in polyolefin, make to produce certain uncompatibility between polyolefin layer and adjacent modified polyolefin hydrocarbon layers with this, to realize poly-between the two stripping, namely in, poly-position of peeling off can occur between the polyolefin layer of the second laminated film and modified polyolefin hydrocarbon layers, also can occur between the second laminated film and the first laminated film hot sealing layer.
Utility model works principle is: the utility model is when sealing, the improved polyalkene laminating that the hot sealing layer of the first laminated film and the second laminated film have the hot sealing layer of interior poly-stripping function closes, content can be met for being greater than 3 kilograms, the requirement do not revealed when temperature is not less than the liquid or solid suspension of 70 DEG C; And when opening, owing to having the modified polyolefin hydrocarbon layers of the hot sealing layer of interior poly-stripping function and adjacent polyolefin layer objectionable intermingling, the power of 6-15N/15mm only need be used during unlatching can to make to produce interior poly-stripping between the two, do not consider end during stripping to be worth doing to drop, feel is level and smooth without pause and transition in rhythm or melody sense, without wire drawing, band burr phenomena, can not pollute pack content, be particularly suitable for food and pharmaceutical packing, need during heat-sealing to seal in the position do not sealed next time.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic cross-section of the utility model embodiment;
Accompanying drawing 2 is the utility model embodiment freshness-retaining film roll form schematic diagram;
Accompanying drawing 3 is the utility model embodiment fresh protection package structure schematic diagram;
Accompanying drawing 4 is the utility model embodiment single insurance bag schematic diagram;
Accompanying drawing 5 is the continuous freshness protection package schematic diagram of the utility model embodiment;
Accompanying drawing 6 is structural representation after the heat-sealing of accompanying drawing 4 opening;
Accompanying drawing 7 is the utility model embodiment one first laminated film and the second complex thin film structure schematic diagram;
Accompanying drawing 8 is the utility model embodiment 2 first laminated film and the second complex thin film structure schematic diagram;
Accompanying drawing 9 is the utility model embodiment 3 first laminated film and the second complex thin film structure schematic diagram
Accompanying drawing 10 is the utility model embodiment 4 first laminated film and the second complex thin film structure schematic diagram;
Accompanying drawing 11 is the utility model embodiment 5 first laminated film and the second complex thin film structure schematic diagram.
In above accompanying drawing: 1, the first laminated film; 2, the second laminated film; 3, impression is sealed; 4, cutting line; 5, hot sealing layer; 6, barrier layer, 7, bonding coat; 8, cambic horizon; 9, there is the hot sealing layer of interior poly-stripping function.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment one:
A kind of easy unlatching freshness-retaining film roll or freshness protection package repeating heat-sealing, shown in Figure 1, described easy unlatching freshness-retaining film roll or freshness protection package are by the first laminated film 1 and the second laminated film 2 is stacked forms, and the first laminated film 1 and the second laminated film 2 are coex composite membranes, wherein:
Shown in accompanying drawing 7, described first laminated film 1 is made up of the bonding coat coextrusion compound of hot sealing layer, at least one deck barrier layer and correspondence, wherein, hot sealing layer is positioned at the top layer of the first laminated film 1, the structure of the first laminated film 1 is: PA/TIE/PA/TIE/PO, and wherein: PA is barrier layer, TIE is bonding coat, PO is hot sealing layer, and PO can be PE or PP or both compounds
Described second laminated film 2 is by the hot sealing layer with interior poly-stripping function, at least one deck barrier layer and corresponding bonding coat coextrusion compound are formed, wherein, the hot sealing layer with interior poly-stripping function is positioned at the top layer of the second laminated film 2, this hot sealing layer with interior poly-stripping function is by polyolefin layer and improved polyalkene stacked group one-tenth layer by layer, modified polyolefin hydrocarbon layers is positioned at the top layer of the second laminated film 2, the structure of the second laminated film 2 is: PA/TIE/PE/PO/ modified PE, wherein: PA is barrier layer, TIE is bonding coat, PE/PO/ modified PE is the hot sealing layer with interior poly-stripping function, PO is polyolefin layer, PO can be PE or PP or both compounds, modified PE is modified polyolefin hydrocarbon layers.
The hot sealing layer of described first laminated film 1 and the hot sealing layer with interior poly-stripping function of the second laminated film 2 are arranged face-to-face, and fit by sealing impression 3 on the first laminated film 1 and the second laminated film 2 dual-side position, the easy unlatching freshness-retaining film roll that can repeat to seal is formed with this, or fitted by heat-sealing impression 3 in the position that dual-side adds base, form the easy unlatching freshness protection package that can repeat to seal with this.
During heat-sealing, the hot sealing layer PO layer of described first laminated film 1 and the modified PE laminating of the second laminated film 2 close, and when opening, the modified PE layer in the second laminated film 2 with the hot sealing layer of interior poly-stripping function is separated with adjacent PO layer.
Embodiment two:
Shown in accompanying drawing 8, the difference of the present embodiment and embodiment one is:
The structure of the first laminated film is PA/TIE/PE/TIE/PA/TIE/PO, and wherein: PA is barrier layer, TIE is bonding coat, PE between two barrier layers is cambic horizon, its role is to warpage preventing, the rightest PO is hot sealing layer, and PO can be PE or PP or both compounds.
The structure of the second laminated film be PA/TIE/PA/TIE/PE/PO/ modified PE wherein: PA is barrier layer, TIE is bonding coat, PE/PE/ modified PE is the hot sealing layer with interior poly-stripping function, by one deck PE layer, one deck PO layer and one deck modified PE are folded layer by layer to be formed, and modified PE layer is positioned at the top layer of the second laminated film 2.
During heat-sealing, the hot sealing layer PO layer of described first laminated film 1 and the modified PE laminating of the second laminated film 2 close, and when opening, the modified PE layer in the second laminated film 2 with the hot sealing layer of interior poly-stripping function is separated with adjacent PO layer.
Other structures of the present embodiment are identical with embodiment one, just repeat no more here.
Embodiment three:
Shown in accompanying drawing 9, the difference of the present embodiment and embodiment one is:
The structure of the first laminated film is PA/TIE/PE/PE/TIE/PA/TIE/PE/PO, wherein: PA is barrier layer, TIE is bonding coat, two-layer PE between two barrier layers is cambic horizon, its role is to warpage preventing, PE/PO is hot sealing layer, and by one deck PE layer with one deck PO is stacked forms, PO can be PE or PP or both compounds.
The structure of the second laminated film is PA/TIE/PE/PE/TIE/PA/TIE/PO/ modified PE, wherein: PA is barrier layer, TIE is bonding coat, two-layer PE between two barrier layers is cambic horizon, its role is to warpage preventing, PE/ modified PE is the hot sealing layer with interior poly-stripping function, is folded layer by layer form by one deck PO layer and one deck modified PE, PO can be PE or PP or both compounds, and modified PE layer is positioned at the top layer of the second laminated film 2.
During heat-sealing, the hot sealing layer PO layer of described first laminated film 1 and the modified PE laminating of the second laminated film 2 close, and when opening, the modified PE layer in the second laminated film 2 with the hot sealing layer of interior poly-stripping function is separated with adjacent PO layer.
Other structures of the present embodiment are identical with embodiment one, just repeat no more here.
Embodiment four:
Shown in accompanying drawing 10, the difference of the present embodiment and embodiment one is:
The structure of the first laminated film is PA/TIE/PE/TIE/PA/TIE/PO, and wherein: PA is barrier layer, TIE is bonding coat, and the PE between two barrier layers is cambic horizon, its role is to warpage preventing, and PO is hot sealing layer, and PO can be PE or PP or both compounds.
The structure of the second laminated film is PA/TIE/PA/TIE/PO/ MODIFIED PP, wherein: PA is barrier layer, TIE is bonding coat, PO/ MODIFIED PP is the hot sealing layer with interior poly-stripping function, folded layer by layer by one deck PO layer and one deck modified PE and form, PO can be PE or PP or both compounds, and layer of modified PP is positioned at the top layer of the second laminated film 2.
During heat-sealing, the hot sealing layer PO layer of described first laminated film 1 and the layer of modified PP of the second laminated film 2 are fitted, and when opening, the layer of modified PP in the second laminated film 2 with the hot sealing layer of interior poly-stripping function is separated with adjacent PO layer.
Other structures of the present embodiment are identical with embodiment one, just repeat no more here.
Embodiment five:
Shown in accompanying drawing 11, the difference of the present embodiment and embodiment one is:
The structure of the first laminated film is PA/TIE/PE/TIE/PA/TIE/PO, and wherein: PA is barrier layer, TIE is bonding coat, and the PE between two barrier layers is cambic horizon, its role is to warpage preventing, and PO is hot sealing layer, and PO can be PE or PP or both compounds.
The structure of the second laminated film is PA/TIE/PE/PE/TIE/PA/TIE/PO/ MODIFIED PP, wherein: PA is barrier layer, TIE is bonding coat, two-layer PE between two barrier layers is cambic horizon, its role is to warpage preventing, PO/ MODIFIED PP is the hot sealing layer with interior poly-stripping function, by PO layer and one deck layer of modified PP is stacked forms, PO can be PE or PP or both compounds, and layer of modified PP is positioned at the top layer of the second laminated film 2.
During heat-sealing, the hot sealing layer PO layer of described first laminated film 1 and the layer of modified PP of the second laminated film 2 are fitted, and when opening, the layer of modified PP in the second laminated film 2 with the hot sealing layer of interior poly-stripping function is separated with adjacent PO layer.
Other structures of the present embodiment are identical with embodiment one, just repeat no more here.
In above-described embodiment, described easy unlatching freshness-retaining film roll or freshness protection package can be the film volume structure shown in Fig. 2, also can be the form of the single freshness protection package shown in Fig. 4, and in the film volume structure shown in Fig. 2, it can be the cylinder membrane structure of the both ends open shown in Fig. 3, also can be the structure that the multiple freshness protection packages shown in Fig. 5 connect in the longitudinal direction, between two adjacent freshness protection packages, be provided with cutting line 4.For the single freshness protection package shown in Fig. 4, after heat-sealing, form the structure of four limit heat-sealings as shown in Figure 6.
In above-described embodiment: PA is polyamide (nylon), and PE is polyethylene, and PP is polypropylene, TIE is you and resin, and PO is polyolefin.
Those skilled in the art can make corresponding change according to above-described embodiment according to practical application, the material of each layer in laminated film can be changed, also the number of plies etc. of laminated film can be changed, first laminated film 1 and the second laminated film 2 can be symmetrical structures, also can be unsymmetric structures.The position of interior poly-stripping can be changed, between the polyolefin layer that namely, poly-position of peeling off can occur in the second laminated film 2 and modified polyolefin hydrocarbon layers, also can occur between the second laminated film 2 and the first laminated film 1 hot sealing layer.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (4)
1. the easy unlatching freshness-retaining film roll that can repeat to seal or freshness protection package, it is characterized in that: this can repeat seal easy unlatching freshness-retaining film roll or freshness protection package be made up of the first laminated film (1) and the second laminated film (2), first laminated film (1) and the second laminated film (2) are multi layer coex composite membranes, wherein:
Described first laminated film (1) is made up of the bonding coat coextrusion compound of hot sealing layer, at least one deck barrier layer and correspondence, and wherein, hot sealing layer is positioned at the top layer of the first laminated film (1);
Described second laminated film (2) is made up of the bonding coat coextrusion compound of hot sealing layer, at least one deck barrier layer and the correspondence with interior poly-stripping function, wherein, the hot sealing layer with interior poly-stripping function is positioned at the top layer of the second laminated film (2), this hot sealing layer with interior poly-stripping function is by polyolefin layer and improved polyalkene stacked group one-tenth layer by layer, and modified polyolefin hydrocarbon layers is positioned at the top layer of the second laminated film (2);
The hot sealing layer of described first laminated film (1) and the hot sealing layer with interior poly-stripping function of the second laminated film (2) are arranged face-to-face, and fit by sealing impression (3) on the first laminated film (1) with the second laminated film (2) dual-side position, the easy unlatching freshness-retaining film roll that can repeat to seal is formed with this, or by heat-sealing impression (3) laminating on the position that dual-side adds base, form the easy unlatching freshness protection package that can repeat to seal with this.
2. easy unlatching freshness-retaining film roll according to claim 1 or freshness protection package, it is characterized in that: both middle at least one inside faces of described first laminated film (1) and the second laminated film (2) are provided with concavo-convex alternate embossing, and the recess of embossing forms the air drain be communicated with.
3. easy unlatching freshness-retaining film roll according to claim 1 or freshness protection package, it is characterized in that: both inside faces of middle one of described first laminated film (1) and the second laminated film (2) are provided with concavo-convex alternate embossing, the recess of embossing forms the air drain be communicated with, and the outside face of another one has printing information.
4. easy unlatching freshness-retaining film roll according to claim 1 or freshness protection package, is characterized in that: both outside faces of middle at least one of described first laminated film (1) and the second laminated film (2) have printing information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540341.8U CN204979606U (en) | 2015-07-23 | 2015-07-23 | Exchanging of heat -seal be can repeat and plastic wrap book or freshness protection package are opened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540341.8U CN204979606U (en) | 2015-07-23 | 2015-07-23 | Exchanging of heat -seal be can repeat and plastic wrap book or freshness protection package are opened |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204979606U true CN204979606U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520540341.8U Expired - Lifetime CN204979606U (en) | 2015-07-23 | 2015-07-23 | Exchanging of heat -seal be can repeat and plastic wrap book or freshness protection package are opened |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204979606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661472A (en) * | 2020-05-14 | 2020-09-15 | 慈溪市和达塑料制品有限公司 | Flat-bottom sealed garbage bag and manufacturing method thereof |
-
2015
- 2015-07-23 CN CN201520540341.8U patent/CN204979606U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661472A (en) * | 2020-05-14 | 2020-09-15 | 慈溪市和达塑料制品有限公司 | Flat-bottom sealed garbage bag and manufacturing method thereof |
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