CN209257627U - A kind of high-barrier PET film - Google Patents
A kind of high-barrier PET film Download PDFInfo
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- CN209257627U CN209257627U CN201822003445.1U CN201822003445U CN209257627U CN 209257627 U CN209257627 U CN 209257627U CN 201822003445 U CN201822003445 U CN 201822003445U CN 209257627 U CN209257627 U CN 209257627U
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Abstract
The utility model refers to a kind of high-barrier PET film, including film ground layer (1), portion in the film is arranged in the film ground layer (1), the equal adhesion in film ground layer (1) front and back sides has modified poly nitride layer (2), the modified poly nitride layer (2) is far from film ground layer (1) one side the first adhesive layer of adhesion (3), first adhesive layer (3) is equipped with modified PET layer (4) far from modified poly nitride layer (2) on one side, one side equal adhesion second adhesive layer (5) of the modified PET layer (4) far from the first adhesive layer (3), second adhesive layer (5) has outer layer (6) far from the equal adhesion of one side of modified PET layer (4), the film is symmetrical arranged along the transverse center interface of film ground layer (1).By the polyester base material of modified biaxial tension, the barrier property of film, and the modified PET resin of extraordinary nano inorganic addition auxiliary agent are improved, film is made to be provided with excellent high barrier.
Description
Technical field
The utility model relates to a kind of thin film technique fields, refer in particular to a kind of high-barrier PET film.
Background technique
Polyester film (PET) is sheet to be made using extrusion molding, then through double using polyethylene terephthalate as raw material
To thin-film material made of stretching.Polyester film is a kind of macromolecule plastic film, due to its high comprehensive performance increasingly by
To the favor of the majority of consumers.Since China's output and technical level are not able to satisfy the demand in market still, partially still need to rely on
Import.Usually colorless and transparent, glossiness film, good mechanical performance, rigidity, hardness and toughness are high, puncture-resistant, antifriction
It wipes, high temperature resistant and low temperature, chemical resistance, oil resistivity, air-tightness and fragrance protectiveness are good, are common barrier laminated films
One of substrate, then, polyester film still have the status not strong enough there are barrier property.
Utility model content
The purpose of the utility model is to provide a kind of high-barrier PET films.
Purpose of the utility model is realized as follows: the high-barrier PET film, including film ground layer, the film
Portion, the equal adhesion in film ground layer front and back sides have modified poly nitride layer to base's setting in the film, and the modified poly nitride layer is remote
Scrapping off film base one side adhesion the first adhesive layer, first adhesive layer laminated are equipped with modification far from polymer-modified
Pet layer, equal the second adhesive layer of adhesion of one side of the modified PET layer far from the first adhesive layer, second adhesive layer is separate to be changed
Property pet layer the equal adhesion of one side have an outer layer, the film is symmetrical arranged along the transverse center interface of film ground layer.
By using above-mentioned technical proposal, the film ground layer of biaxial tension can make polymer thin by biaxial tension
Film is orientated in both direction in length and breadth, and the degree of order for arranging strand improves, the modification of film ground layer front and back sides adhesion
Polymeric layer, polymer-modified is special polyester chip, and the technique for improving film improves insulating properties, toughness of film etc., modified
Pet layer passes through extraordinary nano inorganic and adds auxiliary agent, passes through PET resin function modified, is provided with excellent high-barrier function, outside
Layer plays the effect of insulating.
The utility model is further arranged to: the film ground layer is biaxial stretching polyester substrate.
By using above-mentioned technical proposal, the polyester base material of biaxial tension can make polymer thin by biaxial tension
Film is orientated in both direction in length and breadth, make strand arrange the degree of order improve, pile up it is closer, to make small molecule more
Difficulty passes through, and then improves barrier property.
The utility model is further arranged to: the modified PET layer is that extraordinary nano inorganic adds the function modified of auxiliary agent
PET resin.
By using above-mentioned technical proposal, modified PET layer passes through extraordinary nano inorganic and adds auxiliary agent, passes through PET resin
It is function modified, it is provided with excellent high-barrier function, outer layer plays the effect of insulating.
The utility model is further arranged to: first adhesive layer is made of colloidal silicic acid calcium creep.Described second is viscous
Layer is closed to be mixed by epoxy resin, acrylic acid, antioxidant and binder resin.
Keep the connection of film relatively reliable by the first adhesive layer and the second adhesive layer by using above-mentioned technical proposal.
The utility model is further arranged to: the outer layer is polypropylene resin layer.
By using above-mentioned technical proposal, it has the function of gas barrier, barrier ultraviolet light and oxygen uptake etc. to acrylic resin,
The antiultraviolet of film, anti-oxidation function can be improved.
Compared with the prior art, the utility model has prominent and beneficial technical effects that: the utility model passes through the two-way of modification
The polyester base material of stretching improves the barrier property of film, and the modified PET resin of extraordinary nano inorganic addition auxiliary agent, makes film
It is provided with excellent high barrier.
Detailed description of the invention
Fig. 1 is the concrete structure schematic diagram of the utility model；
In figure: 1. film ground layers, 2. modified poly nitride layer, 3. first adhesive layers, 4. modified PET layers, 5. second adhesive layers,
6. outer layer.
Specific embodiment
With specific embodiment, the invention will be further described with reference to the accompanying drawing, referring to Fig. 1:
Portion in the film, the film is arranged in a kind of high-barrier PET film, including film ground layer 1, the film ground layer 1
The equal adhesion in 1 front and back sides of base has modified poly nitride layer 2, and the modified poly nitride layer 2 is far from 1 one side adhesion first of film ground layer
Adhesive layer 3, first adhesive layer 3 are equipped with modified PET layer 4 far from modified poly nitride layer 2 on one side, and the modified PET layer 4 is remote
Equal the second adhesive layer of adhesion 5 of one side from the first adhesive layer 3, the one side of the second adhesive layer 5 far from modified PET layer 4 are viscous
It is connected with outer layer 6, the film is symmetrical arranged along the transverse center interface of film ground layer 1.The film ground layer 1 of biaxial tension, can
Can be orientated thin polymer film in both direction in length and breadth by biaxial tension, the degree of order for arranging strand is mentioned
Height, the modified poly nitride layer 2 of 1 front and back sides adhesion of film ground layer, polymer-modified is special polyester chip, improves the work of film
Skill improves insulating properties, toughness of film etc., and modified PET layer 4 passes through extraordinary nano inorganic and adds auxiliary agent, and PET resin is made to pass through function
It is modified, it is provided with excellent high-barrier function, outer layer 6 plays the effect of insulating.
The film ground layer 1 is biaxial stretching polyester substrate.The polyester base material of biaxial tension, can by biaxial tension
Be orientated thin polymer film in both direction in length and breadth, make strand arrange the degree of order improve, pile up it is closer, thus
Make small molecule be more difficult to pass through, and then improves barrier property.
The modified PET layer 4 is the function modified PET resin that extraordinary nano inorganic adds auxiliary agent.Modified PET layer 4 is logical
Extraordinary nano inorganic addition auxiliary agent is crossed, passes through PET resin function modified, is provided with excellent high-barrier function, outer layer 6 plays
The effect of insulating.
First adhesive layer 3 is made of colloidal silicic acid calcium creep.Second adhesive layer 5 by epoxy resin, acrylic acid,
Antioxidant and binder resin are mixed.By the first adhesive layer 3 and the second adhesive layer 5, the connection of film is made more may be used
It leans on.
The outer layer 6 is polypropylene resin layer.Acrylic resin its with gas barrier, barrier the function such as ultraviolet light and oxygen uptake
Can, the antiultraviolet of film, anti-oxidation function can be improved.
The utility model improves the barrier property of film, and extraordinary nanometer by the polyester base material of modified biaxial tension
The modified PET resin of inorganic addition auxiliary agent, makes film be provided with excellent high barrier.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (6)
1. a kind of high-barrier PET film, including film ground layer (1), which is characterized in that the film ground layer (1) is arranged in film
Middle part, the equal adhesion in film ground layer (1) front and back sides have modified poly nitride layer (2), and the modified poly nitride layer (2) is far from film
Base (1) one side the first adhesive layer of adhesion (3), first adhesive layer (3) are equipped on one side far from modified poly nitride layer (2)
Modified PET layer (4), one side equal adhesion second adhesive layer (5) of the modified PET layer (4) far from the first adhesive layer (3) are described
Second adhesive layer (5) has outer layer (6) far from the equal adhesion of one side of modified PET layer (4), and the film is along film ground layer (1)
Transverse center interface is symmetrical arranged.
2. high-barrier PET film according to claim 1, which is characterized in that the film ground layer (1) is poly- for biaxial tension
Ester group material.
3. high-barrier PET film according to claim 1, which is characterized in that the modified PET layer (4) is extraordinary nanometer
The function modified PET resin of inorganic addition auxiliary agent.
4. high-barrier PET film according to claim 1, which is characterized in that first adhesive layer (3) is colloidal silicic acid
Calcium creep is made.
5. high-barrier PET film according to claim 1, which is characterized in that second adhesive layer (5) is by asphalt mixtures modified by epoxy resin
Rouge, acrylic acid, antioxidant and binder resin are mixed.
6. high-barrier PET film according to claim 1, which is characterized in that the outer layer (6) is polypropylene resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822003445.1U CN209257627U (en) | 2018-12-01 | 2018-12-01 | A kind of high-barrier PET film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822003445.1U CN209257627U (en) | 2018-12-01 | 2018-12-01 | A kind of high-barrier PET film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209257627U true CN209257627U (en) | 2019-08-16 |
Family
ID=67565101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822003445.1U Active CN209257627U (en) | 2018-12-01 | 2018-12-01 | A kind of high-barrier PET film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209257627U (en) |
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2018
- 2018-12-01 CN CN201822003445.1U patent/CN209257627U/en active Active
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