CN206781177U - A kind of high intensity puncture-resistant composite membrane - Google Patents
A kind of high intensity puncture-resistant composite membrane Download PDFInfo
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- CN206781177U CN206781177U CN201720597420.1U CN201720597420U CN206781177U CN 206781177 U CN206781177 U CN 206781177U CN 201720597420 U CN201720597420 U CN 201720597420U CN 206781177 U CN206781177 U CN 206781177U
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Abstract
The utility model discloses a kind of high intensity puncture-resistant composite membrane, its drip irrigation device is：Including SHDPE layers, aluminium foil layer, PA layers and the pet layer being sequentially connected from inside to outside, connected by the first adhesive layer between the SHDPE layers and aluminium foil layer and PA layers and pet layer, connected between aluminium foil layer and the PA layer by the second adhesive layer；Connected by the mutual cooperation between adjacent layer, formd during there is composite membrane complete, fine and close, and the interlocking shish-kebab morphology of distribution of orientations, the axial direction of composite membrane and radially resistance to mastication forces are improved, unit impact breakage quality, tensile strength, elongation at break, printing opacity and the other combination properties of composite membrane improve.
Description
Technical field
Film applications are the utility model is related to, more specifically, it relates to a kind of high intensity puncture-resistant composite membrane.
Background technology
High polymer material is obtained for extensive use in industrial circle, and composite plastic flexible package has in plastics package field
There is critical role, can be applied to the fields such as food, medicine, chemical industry.
Existing resistance to high puncture-resistant film is with Special polyethylene（PE）Plastic sheeting is base material, is divided into height according to the difference of density
Density polyethylene diaphragm, medium density polyethylene and low density polyethylene (LDPE)；Existing PE diaphragms are disadvantageous in that PE diaphragms
Than relatively thin, puncture PE diaphragms and be easy to be pierced, or imprudence is encountered that PE diaphragms can be also pierced through on hard object, and
PE diaphragms come so that film is torn apart rapidly in one direction once being pierced, cause to be packaged in the product in composite membrane
Drop or be exposed, influence the performance of packaging.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model be to provide a kind of high intensity puncture-resistant it is compound
Film, have and improve its overall structural strength, and then the effect of being folded without breaking.
To achieve the above object, the utility model provides following technical scheme：
A kind of high intensity puncture-resistant composite membrane, including be sequentially connected from inside to outside SHDPE layers, aluminium foil layer, PA layers and
Pet layer, between the SHDPE layers and aluminium foil layer and PA layers and pet layer by the first adhesive layer connect, the aluminium foil layer with
Connected between PA layers by the second adhesive layer.
It is arranged such, there is HDPE layer toughness reinforcing to increase just effect, the unit impact breakage quality of film, tensile strength, tear
Intensity is improved than pure HDPE films, and particularly unit impact breakage quality strengthens with tearing strength；Aluminium foil layer tool simultaneously
It is textured it is soft, ductility is good, can with direct food contact without any suffering being detrimental to health, make composite membrane without
By in high temperature or at low temperature, aluminium foil, as the intermediate of composite membrane, improves multiple all without the phenomenon for having fat migration
Close the packaging safety and stability performance of film；And PA being folded without breaking intensity, impact strength, frictional strength, bending strength are high, and with compared with
Good barrier properties for gases, the use structural behaviour of composite membrane can be improved；Pet layer has intensity good, and thermoplasticity is good, wear-resisting, corrosion resistant
Erosion, the features such as light fastness is good, improve the structural strength and cutting resistance of composite membrane；Pass through pet layer and SHDPE layers simultaneously
Between mutual cooperation, form composite membrane complete, fine and close, and the interlocking shish-kebab morphology of distribution of orientations, make composite membrane
Axially increase with radially resistance to mastication forces, while when composite membrane receives single-point and punctured, the unit impact breakage quality of film, draw
Stretch intensity, elongation at break, printing opacity and other combination properties to improve than pure HDPE films, improve what composite membrane was unidirectionally torn
Effect, improve the cutting resistance of composite membrane.
Further set：The SHDPE layers include be sequentially connected calcium carbonate layer, LLDPE composite bed with
And HDPE matrix resin layers.
It is arranged such, the rigid particles CaCO of appropriate dosage3It is added in HDPE, there is toughness reinforcing to increase just effect, film
Unit impact breakage quality, tensile strength, tearing strength are improved than pure HDPE films, particularly unit impact breakage matter
Amount and the raising in tearing strength；Form complete, fine and close in HDPE/LLDPE blend films, and the shish-kebab of distribution of orientations is mutual
Lock construction, makes the axial direction of composite membrane and radially resistance to mastication forces increase, the unit impact breakage quality of film, tensile strength, disconnected
Elongation, printing opacity and other combination properties is split to improve than pure HDPE films.
Further set：First adhesive layer is that acrylate glue adhesion coating, methacrylic acid adhesive layer, acrylate are gluing
Layer or epoxy resin adhesive layer in any one.
It is arranged such, acrylate glue adhesion coating, methacrylic acid adhesive layer, acrylate adhesive layer or epoxy resin adhesive layer
The stability being respectively provided with after good viscosity and bonding, is improved between SHDPE layers and aluminium foil layer and PA layers and pet layer
Stable connection performance.
Further set：Second adhesive layer is polyurethane composite gel adhesion coating, methacrylate adhesive layer, organosilicon
Any one in modification acrylate adhesive layer.
It is arranged such, polyurethane composite gel adhesion coating, methacrylate adhesive layer, organosilicon-modified acrylate adhesive layer
The stability being respectively provided with after good viscosity and bonding, improves the stability connected between aluminium foil layer and PA layers.
Further set：Drawing layer is connected with the SHDPE layers.
It is arranged such, makes drawing layer that there is certain identification, improves use when composite membrane makes corresponding packaging bag
With conclusion.
Further set：The thickness of the SHDPE layers is 100 μm.
Further set：The thickness of aluminium foil layer and the PA layer is 25 μm.
Further set：The thickness of the pet layer is 60 μm.
It is arranged such, makes the multi-layer bonded composite film thickness formed moderate, and pliability is in suitable scope, improves multiple
Close the performance of film.
Further set：PVDC coating film layers are connected between the SHDPE layers and aluminium foil layer.
It is arranged such, the mechanical and some physical property of PVDC coating film layers is determined by the substrate to be coated of its selection,
And last gas barrier, to protect fragrant, oil resistance provided by coating, the speciality and circulation that user only need to be according to packaging article
Environment determine the machinery of packaging material, physical property requirements and protected degree to select the barrier energy of base material and coating
Power has gas barrier, protects fragrant, oil resistance, improves the stability of composite membrane.
By using above-mentioned technical proposal, the utility model is compared compared with the prior art：By mutual between adjacent layer
Cooperation, forms composite membrane complete, fine and close, and the interlocking shish-kebab morphology of distribution of orientations, makes axial direction and the radial direction of composite membrane
Upper resistance to mastication forces increase, unit impact breakage quality, tensile strength, elongation at break, printing opacity and the other combination properties of film
Improved than pure HDPE films.
Brief description of the drawings
Fig. 1 is the high intensity puncture-resistant structure of composite membrane sectional view of embodiment 1；
Fig. 2 is the structural representation of embodiment 2；
Fig. 3 is the structural representation of embodiment 3.
In figure：1st, drawing layer；2nd, SHDPE layers；3rd, aluminium foil layer；4th, PA layers；5th, pet layer；6th, the first adhesive layer；7th, the second glue
Adhesion coating；8th, PVDC is coated with film layer；9th, bag body.
Embodiment
High intensity puncture-resistant composite membrane is described further referring to figs. 1 to Fig. 3.
Embodiment 1：A kind of high intensity puncture-resistant composite membrane, as shown in figure 1, including the drawing layer being sequentially connected from inside to outside
1st, SHDPE layers 2（Density polyethylene film with high layer）, aluminium foil layer 3, PA layers 4（Nylon layer）And the pet layer 5 that thickness is 60 μm（It is poly-
Ethylene glycol terephthalate film）；It is gluing by first between SHDPE layers 2 and aluminium foil layer 3 and PA layers 4 and pet layer 5
Layer 6 connects, and is connected between aluminium foil layer 3 and PA layers 4 by the second adhesive layer 7；The thickness of SHDPE layers 2 is 100 μm, the He of aluminium foil layer 3
The thickness of PA layers 4 is 25 μm.
Wherein, SHDPE layers 2 are by the calcium carbonate layer, LLDPE composite bed and the HDPE matrixes that are sequentially connected
Resin bed is formed；The rigid particles CaCO3 of appropriate dosage is added in HDPE, and there is toughness reinforcing to increase just effect, the unit punching of film
Break up damage quality, tensile strength, tearing strength to be improved than pure HDPE films, particularly unit impact breakage quality is with tearing
95.6% and 16.2% has been respectively increased in resistance to spalling；The counter balance torque that CaCO3 advantageously reduces co-mixing system is added in HDPE,
Energy consumption is reduced, reduces cost.High content CaCO3 particles and part of matrix resin HDPE are carried out melt blending and prepare mother by the first step
Material, then gained filling master batch and a certain amount of HDPE are subjected to second melting blending, so as to realize the good of inorganic fill particle
It is scattered.Thermoplastic elastomer (TPE) POE and the CaCO3 particles of appropriate dosage are added in HDPE, the list of blend thin filmses can be improved
Damaged quality is impacted in position；In order to prepare the preferable film of translucency, using LLDPE and thermoplastic elastomer (TPE) POE to HDPE films
It is modified, LLDPE is added in HDPE, the purer HDPE films of tensile strength of blend thin filmses is increased, and unit is rushed
Damage quality is broken up then to have declined；Form complete, fine and close in HDPE/LLDPE blend films, and the shish-kebab of distribution of orientations is mutual
Lock construction, makes the axial direction of composite membrane and radially resistance to mastication forces increase, the unit impact breakage quality of film, tensile strength, disconnected
Elongation, printing opacity and other combination properties is split to improve than pure HDPE films.
Aluminium foil layer 3 has soft texture, ductility good, has argenteous gloss, is a kind of avirulent packaging material,
Can be with direct food contact without any suffering being detrimental to health, no matter in high temperature or at low temperature, aluminium foil is all
The phenomenon for not having fat migration occurs, and improves the packaging safety and stability performance of composite membrane.
PA layers 4 have being folded without breaking intensity, impact strength, frictional strength, bending strength height, and with the resistance of preferable gas
Every property, the performance of composite membrane can be improved.
Pet layer 5 has the features such as intensity is good, and thermoplasticity is good, wear-resisting, corrosion-resistant, light fastness is good, improves the knot of composite membrane
Structure intensity and cutting resistance.
First adhesive layer 6 is acrylate glue adhesion coating, methacrylic acid adhesive layer, acrylate adhesive layer or epoxide-resin glue
Any one in adhesion coating；Second adhesive layer 77 is polyurethane composite gel adhesion coating, methacrylate adhesive layer, organic-silicon-modified
Any one in acrylate adhesive layer；First gluing 6 and second adhesive layer 7 is alternatively same.
Embodiment 2：A kind of high intensity puncture-resistant composite membrane, as shown in Fig. 2 including the drawing layer being sequentially connected from inside to outside
1st, SHDPE layers 2, PVDC are coated with the pet layer 5 that film layer 8, aluminium foil layer 3, PA layers 4 and thickness are 60 μm；It is and logical between adjacent layer
Cross adhesive layer connection.
Embodiment 3：A kind of puncture-resistant packaging bag, as shown in figure 3, including bag body 9, the bag body 9 is by implementing in power 1
High intensity puncture-resistant composite membrane is made, and by the way that resistance to compression composite membrane is wound, is glued by side thermo-compression bonding, then by upper and lower side hot pressing
The bag body 9 to form sealing is connect, forms being folded without breaking packaging bag.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
- A kind of 1. high intensity puncture-resistant composite membrane, it is characterised in that：Including the SHDPE layers being sequentially connected from inside to outside（2）, aluminium foil Layer（3）, PA layers（4）And pet layer（5）, the SHDPE layers（2）With aluminium foil layer（3）And PA layers（4）With pet layer（5）Between Pass through the first adhesive layer（6）Connection, the aluminium foil layer（3）With PA layers（4）Between pass through the second adhesive layer（7）Connection.
- A kind of 2. high intensity puncture-resistant composite membrane according to claim 1, it is characterised in that：The SHDPE layers（2）Including Calcium carbonate layer, LLDPE composite bed and the HDPE matrix resin layers being sequentially connected.
- A kind of 3. high intensity puncture-resistant composite membrane according to claim 1, it is characterised in that：First adhesive layer（6） For any one in acrylate glue adhesion coating, methacrylic acid adhesive layer, acrylate adhesive layer or epoxy resin adhesive layer.
- A kind of 4. high intensity puncture-resistant composite membrane according to claim 1, it is characterised in that：Second adhesive layer（7） For any one in polyurethane composite gel adhesion coating, methacrylate adhesive layer, organosilicon-modified acrylate adhesive layer.
- A kind of 5. high intensity puncture-resistant composite membrane according to claim 1, it is characterised in that：In the SHDPE layers（2）On It is connected with drawing layer（1）.
- A kind of 6. high intensity puncture-resistant composite membrane according to claim 1, it is characterised in that：The SHDPE layers（2）Thickness Spend for 100 μm.
- A kind of 7. high intensity puncture-resistant composite membrane according to claim 1, it is characterised in that：The aluminium foil layer（3）And PA Layer（4）Thickness be 25 μm.
- A kind of 8. high intensity puncture-resistant composite membrane according to claim 1, it is characterised in that：The pet layer（5）Thickness For 60 μm.
- A kind of 9. high intensity puncture-resistant composite membrane according to claim 1, it is characterised in that：In the SHDPE layers（2）With Aluminium foil layer（3）Between be connected with PVDC coating film layer（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720597420.1U CN206781177U (en) | 2017-05-25 | 2017-05-25 | A kind of high intensity puncture-resistant composite membrane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720597420.1U CN206781177U (en) | 2017-05-25 | 2017-05-25 | A kind of high intensity puncture-resistant composite membrane |
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| CN206781177U true CN206781177U (en) | 2017-12-22 |
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| CN201720597420.1U Active CN206781177U (en) | 2017-05-25 | 2017-05-25 | A kind of high intensity puncture-resistant composite membrane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323015A (en) * | 2018-03-30 | 2019-10-11 | 上海网讯新材料科技股份有限公司 | A kind of novel aluminum-plastic composite band |
| CN116749530A (en) * | 2023-08-21 | 2023-09-15 | 中材科技（苏州）有限公司 | Infrared welding forming equipment for plastic liner of high-pressure hydrogen storage cylinder |
-
2017
- 2017-05-25 CN CN201720597420.1U patent/CN206781177U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323015A (en) * | 2018-03-30 | 2019-10-11 | 上海网讯新材料科技股份有限公司 | A kind of novel aluminum-plastic composite band |
| CN116749530A (en) * | 2023-08-21 | 2023-09-15 | 中材科技（苏州）有限公司 | Infrared welding forming equipment for plastic liner of high-pressure hydrogen storage cylinder |
| CN116749530B (en) * | 2023-08-21 | 2023-12-01 | 中材科技（苏州）有限公司 | Infrared welding forming equipment for plastic liner of high-pressure hydrogen storage cylinder |
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