CN201619778U - Five-layer heat seal film with high heat sealing property - Google Patents
Five-layer heat seal film with high heat sealing property Download PDFInfo
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- CN201619778U CN201619778U CN2009202508094U CN200920250809U CN201619778U CN 201619778 U CN201619778 U CN 201619778U CN 2009202508094 U CN2009202508094 U CN 2009202508094U CN 200920250809 U CN200920250809 U CN 200920250809U CN 201619778 U CN201619778 U CN 201619778U
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Abstract
The utility model relates to a five-layer heat seal film with high heat sealing property. The five-layer heat seal film with high heat sealing property is characterized in that the heat seal film includes a five-layer structure formed by co-extrusion and consisting of a biaxial stretching upper surface layer, an upper subsurface layer, a core layer, a lower subsurface layer and a lower surface layer, wherein the upper surface layer and the upper subsurface layer may be a heat seal layer or a non-heat-seal layer; the core layer is a homopolymerized polypropylene resin layer; and the lower subsurface layer and the lower surface layer are a heat seal layer. The surface layers, the subsurface layers and the core layer are formed by one-step co-extrusion to obviate the recombination or film spraying process during manufacture, thereby simplifying the manufacture process, lowering the manufacture cost. No harmful substances are generated during the manufacture process so as to obviate environment pollution. The used heat-seal film can be recycled to manufacture other plastic products, thereby lowering the use cost.
Description
Technical field
The utility model belongs to a kind of plastic wrapping, particularly relates to a kind of high heat sealability heat-sealing film that is used for packings such as food, tableware, amenities.
Background technology
Be widely used at present packings such as food, tableware, amenities mostly adopt paper, mould compound, promptly with paper wood or plastic sheeting as layer structure, after interlayer does to drench the film applying with polypropylene (PP) or polyethylene (PE) raw material, obtain heat cover then and make above-mentioned packaging bag.Though this paper, mould complex pocket and have lucifuge, heat sealable function, bigger in papermaking, consumption compound, that drench water, electricity, vapour in the film production process, the tooling cost height, and cause environmental pollution aborning.In addition paper plastic combined package bag be subject to factor affecting such as complex condition, storage environment and layering appears, problem such as break, so not only influence result of use, but also can bring corresponding economic loss to the user.Above-mentioned paper compound paper bag can't be done effective recycling with recovery systems such as natural paper or plastic cement after use, this waste and feature of environmental protection to resource all has adverse influence.
Summary of the invention
The utility model for solve the technical matters that exists in the known technology provide a kind of can one time co-extrusion modling, heat seal strength height, weather resisteant is good, attractive in appearance and the high heat sealability heat-sealing film of suitable industrial continuous production.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: five floor height heat sealability heat-sealing films, it is characterized in that: comprise upper epidermis through the coextrusion biaxial tension, last time top layer, sandwich layer, next top layer, top layer five-layer structure down, the layered arrangement structure of described heat-sealing film is:
A, upper epidermis and last time the top layer be hot sealing layer, sandwich layer is the homo-polypropylene resin bed, next top layer and following top layer are hot sealing layer;
B, upper epidermis are hot sealing layer, and last time, the top layer was non-hot sealing layer, and sandwich layer is the homo-polypropylene resin bed, and next top layer and following top layer are hot sealing layer;
C, upper epidermis and last time the top layer be non-hot sealing layer, sandwich layer is the homo-polypropylene resin bed, next top layer and following top layer are hot sealing layer;
D, upper epidermis are non-hot sealing layer, and sandwich layer is the homo-polypropylene resin bed, and last time, top layer, next top layer and following top layer were hot sealing layer.
The utility model can also adopt following technical scheme:
Described upper epidermis, last time, the thickness on top layer, next top layer and following top layer was 4～20% of heat-sealing film gross thickness.
Advantage and the good effect that the utlity model has are: since upper epidermis of the present utility model, last time top layer, sandwich layer, next top layer and following top layer all by a co-extrusion modling, in manufacturing process, need not again compound or drench technology such as film, simplify processing technology, reduced manufacturing cost; Through changing runner, make the heat-sealing film that processes have heat seal strength height, heat-sealing temperature wide ranges, surface printing firmly, advantage such as light weight; And be not subjected to the influence of factors such as complex condition and storage environment, its weather resisteant is good, resistanee to rupture good, and all production process can not produce any objectionable impurities, non-environmental-pollution, heat-sealing film after the use can all reclaim makes other plastic product, has reduced user's use cost.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of the utility model embodiment 3;
Fig. 4 is the structural representation of the utility model embodiment 4;
Among the figure: 1, upper epidermis; 2, last time the top layer; 3, sandwich layer; 4, next top layer; 5, following top layer.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Embodiment 1: see also Fig. 1, a kind of five floor height heat sealability heat-sealing films, comprise upper epidermis 1 through the coextrusion biaxial tension, last time top layer 2, sandwich layer 3, next top layer 4, top layer 5 five-layer structures down, the layered arrangement structure of described heat-sealing film is followed successively by: upper epidermis 1 and last time the top layer 2 be hot sealing layer, sandwich layer 3 adds an amount of antistatic master batch for the homo-polypropylene resin and increases smooth masterbatch formation, and next top layer 4 and following top layer 5 are hot sealing layer.The material on described upper epidermis 1 and following top layer 5 is an amount of anti-stick masterbatch that connects for the Co-polypropylene resin adds; Last time, the material on top layer 2 and next top layer 4 was the Co-polypropylene resin.Described upper epidermis, last time, the thickness on top layer, next top layer and following top layer was respectively 4～20% of heat-sealing film gross thickness.
Embodiment 2: see also Fig. 2, a kind of five floor height heat sealability heat-sealing films, comprise upper epidermis 1 through the coextrusion biaxial tension, last time top layer 2, sandwich layer 3, next top layer 4, top layer 5 five-layer structures down, the layered arrangement structure of described heat-sealing film is followed successively by: upper epidermis 1 is hot sealing layer, last time, the top layer 2 was non-hot sealing layer, sandwich layer 3 adds an amount of antistatic master batch for the homo-polypropylene resin and increases smooth masterbatch formation, and next top layer 4 and following top layer 5 are hot sealing layer.The material on described upper epidermis 1 and following top layer 5 is an amount of anti-stick masterbatch that connects for the Co-polypropylene resin adds; Last time, top layer 2 material was the homo-polypropylene resin; Next time, the material on top layer 4 was the Co-polypropylene resin.Described upper epidermis, last time, the thickness on top layer, next top layer and following top layer was respectively 4～20% of heat-sealing film gross thickness.
Embodiment 3: see also Fig. 3, a kind of five floor height heat sealability heat-sealing films, comprise upper epidermis 1 through the coextrusion biaxial tension, last time top layer 2, sandwich layer 3, next top layer 4, top layer 5 five-layer structures down, the layered arrangement structure of described heat-sealing film is followed successively by: upper epidermis 1 and last time the top layer 2 be non-hot sealing layer, sandwich layer 3 adds an amount of antistatic master batch for the homo-polypropylene resin and increases smooth masterbatch formation, and next top layer 4 and following top layer 5 are hot sealing layer.The material of described upper epidermis 1 is an amount of anti-stick masterbatch that connects for the homo-polypropylene resin adds; Last time, top layer 2 material was the homo-polypropylene resin; Next time, the material on top layer 4 was the Co-polypropylene resin; The material on following top layer 5 is an amount of anti-stick masterbatch that connects for the Co-polypropylene resin adds.Described upper epidermis, last time, the thickness on top layer, next top layer and following top layer was respectively 4～20% of heat-sealing film gross thickness.
Embodiment 4: see also Fig. 4, a kind of five floor height heat sealability heat-sealing films, comprise upper epidermis 1 through the coextrusion biaxial tension, last time top layer 2, sandwich layer 3, next top layer 4, top layer 5 five-layer structures down, the layered arrangement structure of described heat-sealing film is followed successively by: upper epidermis 1 is non-hot sealing layer, the antistatic master batch that sandwich layer 3 is an amount of for the homo-polypropylene resin adds and increase smooth masterbatch and constitute, last time, top layer 2, next top layer 4 and following top layer 5 were hot sealing layer.The material of described upper epidermis 1 is an amount of anti-stick masterbatch that connects for the homo-polypropylene resin adds; Last time, the material on top layer 2 and next top layer 4 was the Co-polypropylene resin; The material on following top layer 5 is an amount of anti-stick masterbatch that connects for the Co-polypropylene resin adds.Described upper epidermis, last time, the thickness on top layer, next top layer and following top layer was respectively 4～20% of heat-sealing film gross thickness.
Claims (2)
1. floor height heat sealability heat-sealing film is characterized in that: comprise upper epidermis (1) through the coextrusion biaxial tension, top layer last time (2), sandwich layer (3), next top layer (4), top layer (5) five-layer structure down, the layered arrangement structure of described heat-sealing film is:
A, upper epidermis (1) and top layer last time (2) are hot sealing layer, and sandwich layer (3) is the homo-polypropylene resin bed, and next top layer (4) and following top layer (5) are hot sealing layer;
B, upper epidermis (1) are hot sealing layer, and top layer last time (2) is non-hot sealing layer, and sandwich layer (3) is the homo-polypropylene resin bed, and next top layer (4) and following top layer (5) are hot sealing layer;
C, upper epidermis (1) and top layer last time (2) are non-hot sealing layer, and sandwich layer (3) is the homo-polypropylene resin bed, and next top layer (4) and following top layer (5) are hot sealing layer;
D, upper epidermis (1) are non-hot sealing layer, and sandwich layer (3) is the homo-polypropylene resin bed, and top layer last time (2), next top layer (4) and following top layer (5) are hot sealing layer.
2. five floor height heat sealability heat-sealing films according to claim 1 is characterized in that: the thickness on described upper epidermis (1), top layer last time (2), next top layer (4) and following top layer (5) is 4～20% of heat-sealing film gross thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202508094U CN201619778U (en) | 2009-11-25 | 2009-11-25 | Five-layer heat seal film with high heat sealing property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202508094U CN201619778U (en) | 2009-11-25 | 2009-11-25 | Five-layer heat seal film with high heat sealing property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201619778U true CN201619778U (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202508094U Expired - Fee Related CN201619778U (en) | 2009-11-25 | 2009-11-25 | Five-layer heat seal film with high heat sealing property |
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| CN (1) | CN201619778U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012062137A1 (en) * | 2010-11-09 | 2012-05-18 | 浙江大东南包装股份有限公司 | Multifunctional bopp cigarette packaging film and manufacturing method thereof |
| CN102615905A (en) * | 2011-01-30 | 2012-08-01 | 厦门长塑实业有限公司 | Biaxially Oriented nylon nanofilm and manufacturing method thereof |
| CN103492177A (en) * | 2012-04-18 | 2014-01-01 | 株式会社应新Mlp | Multilayer sheet, heat-retaining structure provided with same, and method for producing multilayer sheet |
-
2009
- 2009-11-25 CN CN2009202508094U patent/CN201619778U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012062137A1 (en) * | 2010-11-09 | 2012-05-18 | 浙江大东南包装股份有限公司 | Multifunctional bopp cigarette packaging film and manufacturing method thereof |
| US9144931B2 (en) | 2010-11-09 | 2015-09-29 | Zhejiang Great Southeast Packaging Co., Ltd. | Multifunctional BOPP cigarette packaging film and manufacturing method thereof |
| US9944007B2 (en) | 2010-11-09 | 2018-04-17 | Zhejiang Great Southeast Packaging Co., Ltd. | Multifunctional BOPP cigarette packaging film and manufacturing method thereof |
| CN102615905A (en) * | 2011-01-30 | 2012-08-01 | 厦门长塑实业有限公司 | Biaxially Oriented nylon nanofilm and manufacturing method thereof |
| CN103492177A (en) * | 2012-04-18 | 2014-01-01 | 株式会社应新Mlp | Multilayer sheet, heat-retaining structure provided with same, and method for producing multilayer sheet |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20171125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |