CN102602096A - Composite high-barrier film for packaging liquid preparation - Google Patents
Composite high-barrier film for packaging liquid preparation Download PDFInfo
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- CN102602096A CN102602096A CN2012100639656A CN201210063965A CN102602096A CN 102602096 A CN102602096 A CN 102602096A CN 2012100639656 A CN2012100639656 A CN 2012100639656A CN 201210063965 A CN201210063965 A CN 201210063965A CN 102602096 A CN102602096 A CN 102602096A
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- barrier film
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- films
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Abstract
The invention relates to a composite high-barrier film for packaging a liquid preparation and belongs to a composite packaging film which is formed by compounding seven layers of films by virtue of co-extrusion, wherein the seven layers of films are sequentially a propene polymer (PP) layer, a thallium (TL) layer, a polyamide (PA) layer, an ethylene-vinyl alcohol (EVOH) layer, a PA layer, a TL layer and a Pemet layer. The composite high-barrier film has the beneficial effects that after the different performances of various high polymer materials are utilized and a multilayer co-extrusion technology is adopted, the high-barrier pesticide package film is produced and developed; the composite high-barrier film not only has the barrier property of metal, but also can be used for overcoming the defect that the metal is easily corroded by acid, alkali, sulfur and the like; the composite high-barrier film not only has the transparency of glass, but also can be used for eliminating the defect that the glass is fragile; the composite high-barrier film not only has the portability of paper, but also can be used for overcoming the defect that the paper is easily damaged by dampness; and the composite high-barrier film also has the functions of various plastic films.
Description
Technical field
The present invention relates to compound packaging film, specifically is a kind of compound high-isolation film that can be used for the liquid preparation packing.
Background technology
At present, characteristics such as agricultural chemicals ubiquity concentration height, severe toxicity, very big to human harm.Thereby the security of pesticides packaging is very important.After agricultural chemicals used, the remains of pesticide environmental pollution problem that its packing material brought also can not be ignored.The agricultural chemicals 2/3rds that China produces is liquid formulation.And for a long time, the liquor agricultural chemicals adopts glass bottle packaging always., vial exists that breakage rate is high, the glass bottle inner plug seals tight and shortcoming such as metering inconvenience, and therefore " to mould for glass " become the irreversible trend of pesticides packaging.
Summary of the invention
It is a kind of safe and effective that the technical problem that the present invention solved is to provide, and convenient a kind of liquid preparation packing of using is used compound high-isolation film.
The technical problem that the present invention solved adopts following technical scheme to realize:
A kind of liquid preparation packing is used compound high-isolation film, is composited after through co-extrusion by seven layer films, and it is characterized in that: said seven layer films are respectively PP layer, TL layer, PA layer, evoh layer, PA layer, TL layer and Pemet layer from outside to inside.
The thickness of said every layer film is respectively PP layer 18-22 micron, TL layer 4-6 micron, PA layer 8-12 micron, evoh layer 4-6 micron, PA layer 8-12 micron, TL layer 4-6 micron, Pemet layer 14-16 micron.
Said PP layer is the polypropylene material bed of material.
Said TL layer is the binder resin material layer.
Said PA layer is the polyamide material layer.
Said evoh layer is ethene and ethenol copolymer material layer.
Said Pemet layer is the metallocene linear-low density polyethylene material layer.
With the film that said each material constitutes, after order stack from the inside to the outside, process the compound high-isolation film that includes 7 layer film layers through co-extrusion machine.
Beneficial effect of the present invention utilizes various macromolecular material different performances to take multi-layer co-extruded technology, produces and has developed high-barrier pesticides packaging film, and it not only has the barrier of metal, has remedied metal again and has been subject to the deficiency that acid, alkali, sulphur etc. corrode; The transparency of existing glass eliminated the shortcoming of Glass breadks easily again, and the portability of existing paper has overcome the make moist weakness of rapid wear of paper again; And possesses the function of various plastic sheetings.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with specific embodiment, further set forth the present invention.
Embodiment one, and a kind of liquid preparation packing is used compound high-isolation film, distinguishes PP layer, TL layer, PA layer, evoh layer, PA layer, TL layer and Pemet layer from outside to inside, after stack, is composited through co-extrusion machine.
Wherein the thickness of every layer film is respectively 20 microns of the PP polypropylene material bed of materials, 5 microns of TL binder resin material layers, 10 microns on PA polyamide material layer, EVOH ethene and 5 microns of ethenol copolymer material layers, 10 microns on PA polyamide material layer, 5 microns of TL binder resin material layers, 15 microns of Pemet metallocene linear-low density polyethylene material layers, and the thickness of the compound high-isolation film that obtains after the co-extrusion is 70 microns.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (7)
1. liquid preparation packing is used compound high-isolation film, is composited after through co-extrusion by seven layer films, and it is characterized in that: said seven layer films are respectively PP layer, TL layer, PA layer, evoh layer, PA layer, TL layer and Pemet layer from outside to inside.
2. according to the said compound high-isolation film of claim 1, it is characterized in that: the thickness of said every layer film is respectively PP layer 18-22 μ, TL layer 4-6 μ, PA layer 8-12 μ, evoh layer 4-6 μ, PA layer 8-12 μ, TL layer 4-6 μ, Pemet layer 14-16 μ.
3. according to claim 1 or 2 said compound high-isolation films, it is characterized in that: said PP layer is the polypropylene material bed of material.
4. according to claim 1 or 2 said compound high-isolation films, it is characterized in that: said TL layer is the binder resin material layer.
5. according to claim 1 or 2 said compound high-isolation films, it is characterized in that: said PA layer is the polyamide material layer.
6. according to claim 1 or 2 said compound high-isolation films, it is characterized in that: said evoh layer is ethene and ethenol copolymer material layer.
7. according to claim 1 or 2 said compound high-isolation films, it is characterized in that: said Pemet layer is the metallocene linear-low density polyethylene material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100639656A CN102602096A (en) | 2012-03-06 | 2012-03-06 | Composite high-barrier film for packaging liquid preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100639656A CN102602096A (en) | 2012-03-06 | 2012-03-06 | Composite high-barrier film for packaging liquid preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102602096A true CN102602096A (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100639656A Pending CN102602096A (en) | 2012-03-06 | 2012-03-06 | Composite high-barrier film for packaging liquid preparation |
Country Status (1)
| Country | Link |
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| CN (1) | CN102602096A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739332A (en) * | 2013-03-11 | 2017-05-31 | 东洋纺株式会社 | A kind of polyamide series resin film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5114795A (en) * | 1988-10-17 | 1992-05-19 | The Standard Oil Company | Multilayered high barrier packaging materials method for the preparation thereof |
| CN102166867A (en) * | 2010-12-21 | 2011-08-31 | 界首市天鸿包装材料有限公司 | Multi-layer co-extruded high-barrier impermeable pesticide packaging film |
| CN102189732A (en) * | 2011-03-07 | 2011-09-21 | 苏州海顺包装材料有限公司 | Multilayer co-extrusion cell culture container bag packaging film |
-
2012
- 2012-03-06 CN CN2012100639656A patent/CN102602096A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5114795A (en) * | 1988-10-17 | 1992-05-19 | The Standard Oil Company | Multilayered high barrier packaging materials method for the preparation thereof |
| CN102166867A (en) * | 2010-12-21 | 2011-08-31 | 界首市天鸿包装材料有限公司 | Multi-layer co-extruded high-barrier impermeable pesticide packaging film |
| CN102189732A (en) * | 2011-03-07 | 2011-09-21 | 苏州海顺包装材料有限公司 | Multilayer co-extrusion cell culture container bag packaging film |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739332A (en) * | 2013-03-11 | 2017-05-31 | 东洋纺株式会社 | A kind of polyamide series resin film |
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Application publication date: 20120725 |