CN208993231U - High-temperature-resistant composite easy-to-uncover cover film - Google Patents
High-temperature-resistant composite easy-to-uncover cover film Download PDFInfo
- Publication number
- CN208993231U CN208993231U CN201821664374.3U CN201821664374U CN208993231U CN 208993231 U CN208993231 U CN 208993231U CN 201821664374 U CN201821664374 U CN 201821664374U CN 208993231 U CN208993231 U CN 208993231U
- Authority
- CN
- China
- Prior art keywords
- layer
- adhesive
- aluminium foil
- cover film
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000013039 cover film Substances 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title abstract description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 48
- 230000001070 adhesive effect Effects 0.000 claims abstract description 48
- 239000005030 aluminium foil Substances 0.000 claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- 229920002635 polyurethane Polymers 0.000 claims abstract description 18
- 239000004814 polyurethane Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 9
- 239000012528 membrane Substances 0.000 abstract description 8
- 238000004026 adhesive bonding Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 229920006280 packaging film Polymers 0.000 abstract description 2
- 239000012785 packaging film Substances 0.000 abstract description 2
- 239000010408 film Substances 0.000 abstract 2
- 238000005187 foaming Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to a packaging film field especially relates to a high temperature resistant compound easy-to-take off cover film. The highest heat sealing temperature which can be borne by the composite easy-to-open cover film in the prior art is 220 ℃, but poor sealing is easy to occur at the temperature, and the quality problem of bubble separation of the composite film is solved when the temperature is exceeded. In order to solve the problems, the technical scheme is as follows: including PET layer, two adhesive paper layer, aluminium foil layer and the PE layer of arranging in proper order, still include the adhesive, the PET layer passes through adhesive bonding connection with two adhesive paper layer, two adhesive paper layer pass through adhesive bonding connection with the aluminium foil layer, the aluminium foil layer passes through adhesive bonding connection with the PE layer, the adhesive of bonding two adhesive paper layer and aluminium foil layer is single component polyurethane adhesive. The utility model provides a compound easy-to-take off lid membrane of high temperature resistance, this compound easy-to-take off lid membrane can be able to bear or endure the heat-seal temperature of the highest 250 ℃ of bottleneck, seals effectually, does not produce the complex film absciss layer or quality problems such as foaming, can make material cost reduce 10%.
Description
Technical field
The utility model relates to packaging film fields, more particularly to a kind of compound openable cover film resistant to high temperature.
Background technique
Openable cover film be it is a kind of by paper, modeling, aluminium by composite membrane made of adhesive bond, be usually used in food or makeup
The bottle sealing of product, is sealed by high temperature, and compound openable cover film in the prior art includes successively being bonded by adhesive
Pet layer, art paper, aluminium foil layer and PE layer, highest heat-sealing temperature be 220 DEG C, at this temperature easily occur sealing it is bad, be more than this
Then composite membrane has the quality problems of bubble absciss layer to temperature.
Utility model content
The utility model mainly solves defect existing for present technology, provides a kind of compound openable cover film resistant to high temperature.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of compound openable cover film resistant to high temperature, including the pet layer, wood-free paper layer, aluminium foil layer and PE layer being arranged successively, and also
Including adhesive, the pet layer is connect with wood-free paper layer by adhesive bond, and the wood-free paper layer and aluminium foil layer pass through gluing
Agent bonding connection, the aluminium foil layer connect with PE layers by adhesive bond, wherein wood-free paper layer and the aluminium foil layer of bonding
Adhesive is monocomponent polyurethane adhesive.
Preferably, the adhesive and bonding aluminium foil layer of the bonding pet layer and wood-free paper layer and PE layers of adhesive are equal
For bi-component polyurethane adhesive.
Preferably, the thickness of the monocomponent polyurethane adhesive and bi-component polyurethane adhesive is 2 μm.
Preferably, the pet layer with a thickness of 12 μm.
Preferably, the specification of the wood-free paper layer is 70g/ ㎡.
Preferably, described PE layers with a thickness of 50 μm.
The utility model has the beneficial effects that
The utility model provides a kind of compound openable cover film resistant to high temperature, and the compound openable cover film and bottleneck are resistant to highest
For 250 DEG C of heat-sealing temperature, sealing effect is good, does not generate composite membrane absciss layer or blistering and other issues, can be with material cost
Reduce by 10%.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of compound openable cover film resistant to high temperature of the utility model.
Figure label is as follows:
Pet layer 1；Wood-free paper layer 2；Aluminium foil layer 3；PE layer 4；Monocomponent polyurethane adhesive 5；Bi-component polyurethane adhesive
6。
Specific embodiment
The following figure be described with reference to the drawings and specific embodiment the present invention will be further described.
One kind compound openable cover film resistant to high temperature as shown in Figure 1 includes the pet layer 1 being arranged successively, wood-free paper layer 2, aluminium
Layers of foil 3 and PE layer 4, further include adhesive, and the pet layer 1 is connect with wood-free paper layer 2 by adhesive bond, the wood-free paper
Layer 2 is connect with aluminium foil layer 3 by adhesive bond, and the aluminium foil layer 3 is connect with PE layer 4 by adhesive bond, wherein described
The adhesive for bonding wood-free paper layer 2 and aluminium foil layer 3 is monocomponent polyurethane adhesive 5.
In the present embodiment, the adhesive and bonding aluminium foil layer 3 and PE layer 4 of the bonding pet layer 1 and wood-free paper layer 2
Adhesive be bi-component polyurethane adhesive 6.
In the present embodiment, the thickness of the monocomponent polyurethane adhesive 5 and bi-component polyurethane adhesive 6 is 2 μ
m。
In the present embodiment, the pet layer 1 with a thickness of 12 μm.
In the present embodiment, the specification of the wood-free paper layer 2 is 70g/ ㎡.
In the present embodiment, the PE layer 4 with a thickness of 50 μm.
In the prior art, compound openable cover film includes the pet layer, art paper, aluminium foil layer successively bonded by adhesive
With PE layers, the adhesive be bi-component polyurethane adhesive, when heat-sealing temperature is more than 220 DEG C, can generate composite membrane be layered
Or bubble and other issues, therefore the utility model is proposed, art paper in the prior art is replaced with by the utility model
Wood-free paper, the specification of wood-free paper are generally 60-120g/ ㎡, and using the wood-free paper of 70g/ ㎡ in the present embodiment, this is practical new
The composite membrane of type is the pet layer successively bonded by adhesive, wood-free paper layer, aluminium foil layer and PE layers, due to wood-free paper layer and aluminium
Layers of foil is bad using the bonding effect of bi-component polyurethane adhesive, therefore wood-free paper layer and aluminium foil layer pass through mono-component polyurethane
Adhesive bond connection, the composite membrane of the utility model are resistant to up to 250 DEG C of hot blast temperature, and sealing effect is good, does not occur
Absciss layer or blistering and other issues can make material cost reduce by 10%.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure made based on the specification and figures of the utility model is applied directly or indirectly in other relevant technologies
Field is also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of compound openable cover film resistant to high temperature, it is characterised in that: including be arranged successively pet layer (1), wood-free paper layer (2),
Aluminium foil layer (3) and PE layers (4), further include adhesive, and the pet layer (1) is connect with wood-free paper layer (2) by adhesive bond,
The wood-free paper layer (2) is connect with aluminium foil layer (3) by adhesive bond, and the aluminium foil layer (3) passes through adhesive with PE layers (4)
Bonding connection, wherein the adhesive of bonding wood-free paper layer (2) and aluminium foil layer (3) is monocomponent polyurethane adhesive (5).
2. compound openable cover film resistant to high temperature according to claim 1, it is characterised in that: the bonding pet layer (1) and double
The adhesive of gummed paper layer (2) and the adhesive for bonding aluminium foil layer (3) and PE layers (4) are bi-component polyurethane adhesive (6).
3. compound openable cover film resistant to high temperature according to claim 2, it is characterised in that: the one-component polyurethane is viscous
The thickness of agent (5) and bi-component polyurethane adhesive (6) is 2 μm.
4. compound openable cover film resistant to high temperature according to claim 1-3, it is characterised in that: the pet layer (1)
With a thickness of 12 μm.
5. compound openable cover film resistant to high temperature according to claim 1-3, it is characterised in that: the wood-free paper layer
(2) specification is 70g/ ㎡.
6. compound openable cover film resistant to high temperature according to claim 1-3, it is characterised in that: PE layers described (4)
With a thickness of 50 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664374.3U CN208993231U (en) | 2018-10-12 | 2018-10-12 | High-temperature-resistant composite easy-to-uncover cover film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664374.3U CN208993231U (en) | 2018-10-12 | 2018-10-12 | High-temperature-resistant composite easy-to-uncover cover film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208993231U true CN208993231U (en) | 2019-06-18 |
Family
ID=66803846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821664374.3U Expired - Fee Related CN208993231U (en) | 2018-10-12 | 2018-10-12 | High-temperature-resistant composite easy-to-uncover cover film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208993231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328933A (en) * | 2019-07-26 | 2019-10-15 | 江阴苏达汇诚复合材料有限公司 | It is a kind of for the easy-to-uncover plastic-aluminum epiphragma and production technology of cosmetics decorative cover and application |
| CN110757928A (en) * | 2019-10-09 | 2020-02-07 | 张家港永和包装印务有限公司 | Heat-sealing bowl cover of instant noodles and compounding process thereof |
-
2018
- 2018-10-12 CN CN201821664374.3U patent/CN208993231U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328933A (en) * | 2019-07-26 | 2019-10-15 | 江阴苏达汇诚复合材料有限公司 | It is a kind of for the easy-to-uncover plastic-aluminum epiphragma and production technology of cosmetics decorative cover and application |
| CN110328933B (en) * | 2019-07-26 | 2023-08-22 | 江阴苏达汇诚复合材料有限公司 | Easily-uncovered aluminum plastic cover film for cosmetic cover ring, production process and application |
| CN110757928A (en) * | 2019-10-09 | 2020-02-07 | 张家港永和包装印务有限公司 | Heat-sealing bowl cover of instant noodles and compounding process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 Termination date: 20191012 |