CN202412845U - High-transparence and easy-opening barrier film - Google Patents
High-transparence and easy-opening barrier film Download PDFInfo
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- CN202412845U CN202412845U CN2011205709459U CN201120570945U CN202412845U CN 202412845 U CN202412845 U CN 202412845U CN 2011205709459 U CN2011205709459 U CN 2011205709459U CN 201120570945 U CN201120570945 U CN 201120570945U CN 202412845 U CN202412845 U CN 202412845U
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Abstract
The utility model provides a high-transparence and easy-openability barrier film, which comprises a first polyethylene layer, a second polyethylene layer, a first adhesive layer, a first barrier layer, a second barrier layer, a third barrier layer, a second adhesive layer, a third polyethylene layer and a high-transparency and easy-openability layer which are mutual compounded in turn. According to the high-transparence and easy-openability barrier film, the high-transparence and easy-opening layer is the innermost layer, and an opening agent is added, so that the extremely smooth surface of the film is uneven, and thus the film is avoided being closely contacted to produce adhesion; and simultaneously, the refractive index of the opening agent is similar to that of film base resin, so that the light-transmitting property and transparency of the film can not be affected to meet the use requirements of packaging films. The film provided by the utility model has a nine-layer structure, and has good barrier property, higher transparency and easy openability.
Description
Technical field
The utility model belongs to the functional membrane technical field, relates in particular to a kind of high transparent easy opening Obstruct membrane.
Background technology
Along with the chemical industry development of technology, the functionalization development trend of plastic film is day by day obvious, and wherein, the high-barrier plastic film is one of function film at present with fastest developing speed.High-resistant diaphragm is meant the protective packing content, avoids small-molecule substances such as pollutant and oxygen, steam, liquid and smell to infiltrate, and also can prevent the packing film that pack content is oozed out simultaneously.The high barrier of high-resistant diaphragm is meant under 23 ℃, the standard state of 65% relative humidity, the transit dose＜5ml/m of oxygen
2Below the day, the transit dose＜2g/m of water vapour
2D.
In the packaging for foodstuff field; Especially for cereal foods packing, Biscuit package or be used for for the packing films such as independent package bag, epiphragma such as cheese's fresh-keeping packaging bag; Not only need have the higher transparency; Keep product specious, and need have lasting easy opening function, can not produce adhesion phenomenon after making the film bag.But plastic sheeting can come in contact under the effect of temperature and pressure, produces sticking the melting in surface and sticks together; Extremely smooth film also maybe be owing to secluding air and tight contact produce adhesion fully in processing, use or storage.Adhesion makes packing film lose transparent, attractive in appearance, easy opening performance, is unfavorable for the protective packing content.
The utility model content
In view of this, the technical problem that the utility model will solve is to provide a kind of high transparent easy opening Obstruct membrane, and the transparent easy opening Obstruct membrane of said height has good barrier, the transparency and easy opening property.
The utility model provides a kind of high transparent easy opening Obstruct membrane, comprising:
First polyethylene layer;
Be compounded in second polyethylene layer on said first polyethylene layer;
Be compounded in first adhesive layer on said second polyethylene layer;
Be compounded in first barrier layer on said first adhesive layer;
Be compounded in second barrier layer on said first barrier layer;
Be compounded in the 3rd barrier layer on said second barrier layer;
Be compounded in second adhesive layer on said the 3rd barrier layer;
Be compounded in the 3rd polyethylene layer on said second adhesive layer;
Be compounded in the high transparent easy opening layer on said the 3rd polyethylene layer.
Preferably, said first barrier layer is the first polyamide barrier layer.
Preferably, said first barrier layer is first evoh layer.
Preferably, said second barrier layer is the second polyamide barrier layer.
Preferably, said second barrier layer is second evoh layer.
Preferably, said the 3rd barrier layer is the 3rd polyamide barrier layer.
Preferably, said the 3rd barrier layer is the triethylene-ethenol copolymer layer.
Preferably, said easy opening layer is that polyethylene is prone to the opening layer.
Preferably, the thickness of the transparent easy opening Obstruct membrane of said height is 25 μ m～250 μ m.
Compared with prior art, the high transparent easy opening Obstruct membrane that provides of the utility model is made up of the first mutually compound successively polyethylene layer, second polyethylene layer, first adhesive layer, first barrier layer, second barrier layer, the 3rd barrier layer, second adhesive layer, the 3rd polyethylene layer and high transparent easy opening layer.In the high transparent easy opening Obstruct membrane that the utility model provides, the transparent easy opening layer of said height is an innermost layer, is added with the opening agent, and it is uneven that extremely smooth film surface is produced, thereby avoid film closely to contact the generation adhesion; Simultaneously, the index of refraction of said opening agent index of refraction and main film body resin is close, can not influence the light transmission and the transparency of film, satisfies the instructions for use of packing film.The film that the utility model provides has 9 layers of structure, has good barrier performance, the higher transparency and easy opening property.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the high transparent easy opening Obstruct membrane that Fig. 1 provides for the utility model embodiment.
The specific embodiment
In order to make those skilled in the art understand the technical scheme of the utility model better; Below in conjunction with the accompanying drawing and the specific embodiment the utility model is carried out clear, intactly description; Obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of high transparent easy opening Obstruct membrane, comprising:
First polyethylene layer;
Be compounded in second polyethylene layer on said first polyethylene layer;
Be compounded in first adhesive layer on said second polyethylene layer;
Be compounded in first barrier layer on said first adhesive layer;
Be compounded in second barrier layer on said first barrier layer;
Be compounded in the 3rd barrier layer on said second barrier layer;
Be compounded in second adhesive layer on said the 3rd barrier layer;
Be compounded in the 3rd polyethylene layer on said second adhesive layer;
Be compounded in the high transparent easy opening layer on said the 3rd polyethylene layer.
The high transparent easy opening Obstruct membrane that the utility model provides is made up of the first mutually compound successively polyethylene layer, second polyethylene layer, first adhesive layer, first barrier layer, second barrier layer, the 3rd barrier layer, second adhesive layer, the 3rd polyethylene layer and high transparent easy opening layer.In the high transparent easy opening Obstruct membrane that the utility model provides, the transparent easy opening layer of said height is an innermost layer, is added with the opening agent, and it is uneven that extremely smooth film surface is produced, thereby avoid film closely to contact the generation adhesion; Simultaneously, the index of refraction of said opening agent index of refraction and main film body resin is close, can not influence the light transmission and the transparency of film, satisfies the instructions for use of packing film.
Referring to Fig. 1, the structural representation of the high transparent easy opening Obstruct membrane that Fig. 1 provides for the utility model embodiment, wherein; 1 is first polyethylene layer, and 2 is second polyethylene layer, and 3 is first adhesive layer; 4 is first barrier layer, and 5 is second barrier layer, and 6 is the 3rd barrier layer; 7 is second adhesive layer, and 8 is the 3rd polyethylene layer, and 9 is high transparent easy opening layer.
First adhesive layer 3 is compounded on second polyethylene layer 2, increases the compatibility between second polyethylene layer 2 and first barrier layer 4.First adhesive layer 3 is by binding resin, like formation such as TIE.
The 3rd barrier layer 6 is compounded on second barrier layer 5, plays resistance oxygen, iris action such as block water, and improves the barrier property of said low haze Obstruct membrane.The 3rd barrier layer 6 is mainly formed by polyamide.In other embodiments, the 3rd barrier layer 6 can also be formed by other resins, like ethylene-vinyl alcohol copolymer etc., as long as have good barrier performance.When the 3rd barrier layer 6 was formed by the ethylene-vinyl alcohol copolymer resin, the 3rd barrier layer 6 was the triethylene-ethenol copolymer barrier layer.
In the utility model; The effect of first barrier layer 4, second barrier layer 5 and the 3rd barrier layer 6 all is to improve the barrier property of said low haze Obstruct membrane; It all can be formed by the good resin of barrier properties such as ethylene-vinyl alcohol copolymer or polyamide, forms by polyamide like first barrier layer 4, second barrier layer 5 and the 3rd barrier layer 6, perhaps forms by the ethylene-vinyl alcohol copolymer resin; Perhaps arbitrarily two-layerly form by polyamide; Another layer is formed by the ethylene-vinyl alcohol copolymer resin, is perhaps arbitrarily two-layerly formed by the ethylene-vinyl alcohol copolymer resin, and another layer formed by the ethylene-vinyl alcohol copolymer resin.
Second adhesive layer 7 is compounded on the 3rd barrier layer 6, increases the compatibility between the 3rd barrier layer 6 and second polyethylene layer 8.Second adhesive layer 7 is by binding resin, like formation such as TIE.
The 3rd polyethylene layer 8 is compounded on second adhesive layer 7, has the effect that improves thin film mechanical performance.The 3rd polyethylene layer 8 is mainly formed by polyethylene (PE) resin.
High transparent easy opening layer 9 is compounded on the 3rd polyethylene layer 8, is the innermost layer of the transparent easy opening Obstruct membrane of said height, has that resistance is wet, the heat-sealing function, and is added with the opening agent, makes this layer have the good transparency and easy opening property, and phenomenon such as can not stick together.High transparent easy opening layer 9 is mainly formed by polyvinyl resin, is added with the opening agent, and it is 1.5 inorganic matter that said opening agent is preferably index of refraction, not only can make extremely smooth film surface generation uneven, thereby avoid film closely to contact the generation adhesion; And its index of refraction is comparatively close with polyacrylic index of refraction (1.49) with polyethylene (1.50), can not influence the light transmission and the transparency of film, and the addition of said opening agent is preferably 0.5%～2.0%.In other embodiments, high transparent easy opening layer 9 also can be formed by ethylene-vinyl acetate copolymer resin, and additive opening agent therein, improves its transparency, light transmission and easy opening property.
In the high transparent easy opening Obstruct membrane that the utility model provides, the transparent easy opening layer of said height is an innermost layer, is added with the opening agent, and it is uneven that extremely smooth film surface is produced, thereby avoid film closely to contact the generation adhesion; Simultaneously, the index of refraction of said opening agent index of refraction and main film body resin is close, can not influence the light transmission and the transparency of film, satisfies the instructions for use of packing film.The film that the utility model provides has 9 layers of structure, has good barrier performance, the higher transparency and easy opening property.
The gross thickness of the high transparent easy opening Obstruct membrane that the utility model provides can be 25 μ m～250 μ m; Wherein, The gross thickness of three barrier layers can be about 10% of the transparent easy opening Obstruct membrane gross thickness of height, and to this, the utility model does not have particular restriction; Those skilled in the art can carry out the adjustment of thickness according to actual barriering effect; When being 100 μ m like gross thickness, from outside to inside, the thickness of each layer can be followed successively by: 10,8.0,11.5,11.0,10.5,8.0,9.0,8.0 and 24.0.
The utility model adopts multi-layer co-extruded method to prepare the transparent easy opening Obstruct membrane of said height; Not only have good compound peel strength, superior environmental resistance, chemical-resistance, good mechanical performance; And have good barrier performance, the transparency, light transmission and easy opening property, can be used as cereal foods packing, Biscuit package or be used for independent package bag, epiphragmas etc. such as cheese's fresh-keeping packaging bag.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (9)
1. one kind high transparent easy opening Obstruct membrane is characterized in that, comprising:
First polyethylene layer;
Be compounded in second polyethylene layer on said first polyethylene layer;
Be compounded in first adhesive layer on said second polyethylene layer;
Be compounded in first barrier layer on said first adhesive layer;
Be compounded in second barrier layer on said first barrier layer;
Be compounded in the 3rd barrier layer on said second barrier layer;
Be compounded in second adhesive layer on said the 3rd barrier layer;
Be compounded in the 3rd polyethylene layer on said second adhesive layer;
Be compounded in the high transparent easy opening layer on said the 3rd polyethylene layer.
2. the transparent easy opening Obstruct membrane of height according to claim 1 is characterized in that said first barrier layer is the first polyamide barrier layer.
3. the transparent easy opening Obstruct membrane of height according to claim 1 is characterized in that said first barrier layer is first evoh layer.
4. the transparent easy opening Obstruct membrane of height according to claim 1 is characterized in that said second barrier layer is the second polyamide barrier layer.
5. the transparent easy opening Obstruct membrane of height according to claim 1 is characterized in that said second barrier layer is second evoh layer.
6. the transparent easy opening Obstruct membrane of height according to claim 1 is characterized in that said the 3rd barrier layer is the 3rd polyamide barrier layer.
7. the transparent easy opening Obstruct membrane of height according to claim 1 is characterized in that said the 3rd barrier layer is the triethylene-ethenol copolymer layer.
8. the transparent easy opening Obstruct membrane of height according to claim 1 is characterized in that, the transparent easy opening layer of said height is the high transparent easy opening layer of polyethylene.
9. according to the transparent easy opening Obstruct membrane of any described height of claim 1～8, it is characterized in that the thickness of the transparent easy opening Obstruct membrane of said height is 25 μ m～250 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205709459U CN202412845U (en) | 2011-12-30 | 2011-12-30 | High-transparence and easy-opening barrier film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205709459U CN202412845U (en) | 2011-12-30 | 2011-12-30 | High-transparence and easy-opening barrier film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202412845U true CN202412845U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205709459U Expired - Lifetime CN202412845U (en) | 2011-12-30 | 2011-12-30 | High-transparence and easy-opening barrier film |
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| Country | Link |
|---|---|
| CN (1) | CN202412845U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502221A (en) * | 2017-10-09 | 2017-12-22 | 深圳市美信电子有限公司 | A kind of compound mould release membrance of high barrier and adhesive tape |
| CN108263062A (en) * | 2018-03-15 | 2018-07-10 | 南通环球塑料工程有限公司 | A kind of multilayer shrinks antifog epiphragma and preparation method thereof |
| CN112172293A (en) * | 2020-08-19 | 2021-01-05 | 广州凌玮科技股份有限公司 | High-transparency easy-opening barrier film |
-
2011
- 2011-12-30 CN CN2011205709459U patent/CN202412845U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502221A (en) * | 2017-10-09 | 2017-12-22 | 深圳市美信电子有限公司 | A kind of compound mould release membrance of high barrier and adhesive tape |
| CN108263062A (en) * | 2018-03-15 | 2018-07-10 | 南通环球塑料工程有限公司 | A kind of multilayer shrinks antifog epiphragma and preparation method thereof |
| CN112172293A (en) * | 2020-08-19 | 2021-01-05 | 广州凌玮科技股份有限公司 | High-transparency easy-opening barrier film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |