CN203864108U - Missible oil pesticide packaging film - Google Patents
Missible oil pesticide packaging film Download PDFInfo
- Publication number
- CN203864108U CN203864108U CN201420226466.9U CN201420226466U CN203864108U CN 203864108 U CN203864108 U CN 203864108U CN 201420226466 U CN201420226466 U CN 201420226466U CN 203864108 U CN203864108 U CN 203864108U
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- layer
- packaging film
- missible oil
- film
- aluminium foil
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Abstract
The utility model provides a missible oil pesticide packaging film which comprises a mechanical strength layer (1) positioned on the outer layer, an adhesive layer (2) positioned on the sub-outer layer and used for bonding, an aluminum foil layer (3) positioned on the middle layer, a macromolecule resin bonding layer (4) positioned on the sub-inner layer and used for bonding and a modified polyolefin thin film (5) positioned on the inner layer, wherein a decorative pattern can be printed on the inner side of the mechanical strength layer (1); the aluminum foil layer (3) is the blocked layer of a composite membrane. According to the utility model, the bonding material between aluminum foil of the blocked layer and the modified polyolefin thin film is macromolecular resin, and an adhesive layer, which can be dissolved or swollen by a solvent is not used, therefore, the risk that the missible oil pesticide packaging film is corroded and delaminated by the solvent is avoided in principle, and the missible oil pesticide packaging film is particularly suitable for packaging liquid missible oil pesticide.
Description
Technical field
The utility model relates to a kind of packaging material, particularly a kind of emulsifiable concentrate pesticide packaging film.
Background technology
Old formulation missible oil is the current conventional formulations of pesticide, account for 40% of agricultural chemicals total amount, wherein contain a large amount of toluene, dimethylbenzene, dimethyl formamide (DMF), methyl alcohol, isopropyl alcohol, acetone and other organic solvent, dissolubility or corrosivity are strong, especially mixed solvent, corrosivity is stronger.Breast oil packaging is the highest to composite soft packaging requirement in liquid pesticidal.
The structure that liquid pesticidal composite flexible pouch is conventional has two kinds: the one: PET/Dr/A1/Dr/CPP or PET/Dr/Al/Dr/PA/Dr/CPP high temperature, have that intensity is high, good barrier property, can meet the packing instructions of general liquid pesticidal; The 2nd: the multi-layer co-extrusion CPP of high-barrier, as PA/Tie/EVOH/Tie/PP, PP/Tie/PA/Tie/PP or PP/Tie/EVOH/Tie/PP, PP/Tie/PA/Tie/EVOH/Tie/PP, in these co-extrusion films, contain PA and EVOH or wherein a kind of simultaneously, the iris action of solvent infiltration is improved greatly.
But, liquid emulsifiable concentrate pesticide is taking organic solvent as main, as toluene, dimethylbenzene, N, N dimethyl formamide (DMF), acetone, butanone, cyclohexanone, ethyl acetate, methyl alcohol, azone etc., their corrosivity is very strong, particularly contains the mixture of multiple organic solvent, due to their synergy, than independent toluene, dimethylbenzene, ethyl acetate etc., corrosivity is stronger, does not still have a kind of adhesive can be competent at the packaging of liquid pesticidal completely at present.These strong solvents are easy to see through PP material, then corrode swelling or dissolve adhesive layer (Dr) or the adhering resin layer (Tie) in composite membrane, thereby occurring composite membrane delamination, even occur the leakage phenomenon of liquid pesticidal.
Therefore, develop a kind of packaging material that various liquid pesticidals had to broad applicability, will greatly improve the security of liquid missible oil pesticides packaging.。
Summary of the invention
May there is composite membrane delamination for liquid missible oil pesticides packaging on market, even there is the problem of the leakage of liquid emulsifiable concentrate pesticide, the utility model provides a kind of emulsifiable concentrate pesticide packaging film, and liquid pesticidal packaging is had to adaptability widely, can greatly improve the security of liquid pesticidal packaging.
The emulsifiable concentrate pesticide packaging film that the utility model provides, is structure of composite membrane, comprising: mechanical strength layer, be positioned at skin, and decorative pattern can be printed in its inner side; Adhesive layer, is positioned at time skin, plays bonding effect; Aluminium foil layer, is positioned at middle level, is the barrier layer of composite membrane; Macromolecule resin adhesive linkage, is positioned at time internal layer, plays bonding effect; Improved polyalkene film, is positioned at internal layer; Adhesives between improved polyalkene film and aluminium foil layer is macromolecule resin, is not adhesive for polyurethane layer, thereby without the solvent resistance of considering polyurethane glue-line, thereby can extensively adapt to the emulsifiable concentrate pesticide packaging of strong solubility and severe corrosive.
Described mechanical strength layer, is Biaxially oriented polypropylene or biaxially oriented polyester film, has the advantages that hot strength is high, deflection is good, and decorative pattern can be printed in film inner side.
Described adhesive layer, is two-component polyurethane adhesive adhensive layer, and thickness is 2-4 μ m, and effect is that mechanical strength layer and aluminium foil layer are bonded together.
Described aluminium foil layer, is the soft state aluminium foil of 7-20 micron, plays high-barrier effect in composite membrane.
Described macromolecule resin adhesive linkage, is the polyvinyl resin of maleic acid bar modification, and thickness is 8~25 μ m, at hot pressing compound tense, aluminium foil is had to good heat bonding performance.
Described improved polyalkene film, is multi-layer co-extruded film, has good heat sealability.
Maximum feature of the present utility model is: the adhesives between aluminium foil layer and improved polyalkene film is one deck macromolecule resin, the mode compound in hot pressing bonds together aluminium foil layer and improved polyalkene film, do not use and can be dissolved or swelling adhesive layer by the solvent composition in emulsifiable concentrate pesticide, avoid, by the risk of solvent corrosion delamination, being particularly suitable for the packaging of liquid emulsifiable concentrate pesticide from principle.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of emulsifiable concentrate pesticide packaging film of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Attached number in the figure is as follows: 1-mechanical strength layer; 2-adhesive layer; 3-aluminium foil layer; 4-macromolecule resin adhesive linkage; 5-improved polyalkene film.
Embodiment
A kind of emulsifiable concentrate pesticide packaging film, for structure of composite membrane, be followed successively by from outside to inside mechanical strength layer 1, adhesive layer 2, aluminium foil layer 3, macromolecule resin adhesive linkage 4, improved polyalkene film 5, between mechanical strength layer 1 and aluminium foil layer 3, being dry laminating bonding way, is hot pressing compound sticking mode between aluminium foil layer 3 and improved polyalkene film 5; Described mechanical strength layer 1, is Biaxially oriented polypropylene or biaxially oriented polyester film, has the advantages that hot strength is high, deflection is good, and decorative pattern can be printed in film inner side; Described adhesive layer 2, is two-component polyurethane adhesive adhensive layer, and thickness is 2-4 μ m, and effect is that mechanical strength layer 1 and aluminium foil layer 3 are bonded together; Described aluminium foil layer 3 is soft state aluminium foils of 7-20 micron; Described macromolecule resin adhesive linkage 4, is the polyvinyl resin of maleic acid bar modification, and thickness is 8~25 μ m, at hot pressing compound tense, aluminium foil is had to good heat bonding performance; Described improved polyalkene film 5, is multi-layer co-extruded film, and thickness is 35-80 μ m, has good heat sealability.
Key technology of the present utility model is macromolecule resin adhesive linkage 4, it is the polyvinyl resin of maleic acid bar modification, under specific hot pressing combination process, if the temperature of heat drum is 170-200 DEG C, hot pressing speed is 15-50 m/min, and the surperficial heat of heat drum passes to macromolecule resin adhesive linkage 4 by aluminium foil, and macromolecule resin adhesive linkage 4 melts, the activity of maleic acid bar group is fully activated, thereby aluminium foil layer 3 and improved polyalkene film 5 are bonded together securely.Because the polyvinyl resin of maleic acid bar modification is high to the corrosion resistance of the solvent composition in emulsifiable concentrate pesticide, can be as dual-component polyurethane adhesive do not dissolved by the solvent composition in missible oil or swelling and occur delamination, be highly suitable for the packaging of emulsifiable concentrate pesticide.
Claims (2)
1. an emulsifiable concentrate pesticide packaging film, is characterized in that, comprising:
Mechanical strength layer (1), is positioned at skin, and decorative pattern can be printed in its inner side;
Adhesive layer (2), is positioned at time skin, plays bonding effect;
Aluminium foil layer (3), is positioned at middle level, is the barrier layer of composite membrane;
Macromolecule resin adhesive linkage (4), is positioned at time internal layer, plays bonding effect;
Improved polyalkene film (5), is positioned at internal layer, has good heat sealing performance.
2. emulsifiable concentrate pesticide packaging film according to claim 1, is characterized in that: described macromolecule resin adhesive linkage (4) is the polyvinyl resin of maleic acid bar modification, and thickness is 8~25 μ m, and aluminium foil is had to good heat bonding performance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420226466.9U CN203864108U (en) | 2014-05-06 | 2014-05-06 | Missible oil pesticide packaging film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420226466.9U CN203864108U (en) | 2014-05-06 | 2014-05-06 | Missible oil pesticide packaging film |
Publications (1)
Publication Number | Publication Date |
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CN203864108U true CN203864108U (en) | 2014-10-08 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420226466.9U Expired - Fee Related CN203864108U (en) | 2014-05-06 | 2014-05-06 | Missible oil pesticide packaging film |
Country Status (1)
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CN (1) | CN203864108U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106183301A (en) * | 2016-08-26 | 2016-12-07 | 南通惠得成包装材料有限公司 | A kind of acidproof, stiff sheet of alkali corrosion resistance |
CN106240001A (en) * | 2016-10-14 | 2016-12-21 | 上海海顺新型药用包装材料股份有限公司 | High-barrier pharmaceutical pack composite membrane |
CN109435391A (en) * | 2018-10-30 | 2019-03-08 | 上海海顺新型药用包装材料股份有限公司 | Emulsifiable concentrate pesticide packaging film |
CN110901199A (en) * | 2019-11-12 | 2020-03-24 | 厦门富锦塑胶工业有限公司 | Traceable high-barrier pesticide packaging film, packaging bag formed by traceable high-barrier pesticide packaging film and preparation process of traceable high-barrier pesticide packaging film |
-
2014
- 2014-05-06 CN CN201420226466.9U patent/CN203864108U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106183301A (en) * | 2016-08-26 | 2016-12-07 | 南通惠得成包装材料有限公司 | A kind of acidproof, stiff sheet of alkali corrosion resistance |
CN106240001A (en) * | 2016-10-14 | 2016-12-21 | 上海海顺新型药用包装材料股份有限公司 | High-barrier pharmaceutical pack composite membrane |
CN109435391A (en) * | 2018-10-30 | 2019-03-08 | 上海海顺新型药用包装材料股份有限公司 | Emulsifiable concentrate pesticide packaging film |
CN109435391B (en) * | 2018-10-30 | 2020-12-29 | 上海海顺新型药用包装材料股份有限公司 | Emulsifiable pesticide packaging film |
CN110901199A (en) * | 2019-11-12 | 2020-03-24 | 厦门富锦塑胶工业有限公司 | Traceable high-barrier pesticide packaging film, packaging bag formed by traceable high-barrier pesticide packaging film and preparation process of traceable high-barrier pesticide packaging film |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20141008 Termination date: 20170506 |
|
CF01 | Termination of patent right due to non-payment of annual fee |