CN203141961U - Gas barrier film with multilayer structure - Google Patents
Gas barrier film with multilayer structure Download PDFInfo
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- CN203141961U CN203141961U CN 201220643857 CN201220643857U CN203141961U CN 203141961 U CN203141961 U CN 203141961U CN 201220643857 CN201220643857 CN 201220643857 CN 201220643857 U CN201220643857 U CN 201220643857U CN 203141961 U CN203141961 U CN 203141961U
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Abstract
A gas barrier film with a multilayer structure is provided with a barrier layer and a water absorption layer disposed at one side or two sides of a base material; the barrier layer also comprises at least one waterproof layer with a water contact angle greater than 50 degrees; the waterproof layer is disposed at the outermost layer of the barrier film. The gas barrier film of the utility model can effectively reduce vapor permeability, has barrier performance for gas, and is widely applicable to the packaging field.
Description
Technical field
The utility model belongs to the Obstruct membrane technical field, particularly a kind of gas barrier film of sandwich construction.
Background technology
Along with the development of technology, more and more higher to the barrier requirement of gas barrier film, therefore, people begin to develop the gas barrier film of sandwich construction, to satisfy the demands.The gas-barrier layer of the body Obstruct membrane of sandwich construction is inorganic oxide layer, and inorganic oxide barrier layer diffusion coefficient is very little, so barrier is fine, but its surface hydrophilicity is strong, and easily adsorbed water produces harmful effect to barrier.There is bibliographical information between the inorganic oxide barrier layer, water accepting layer to be set, by suction-operated reduction steam the diffusion in layer of water accepting layer to steam, raising to barrier has certain effect, but it is and not obvious, in order to reach higher barrier, the combination of a lot of barrier layers and water accepting layer need be set.And the water accepting layer surface is more hydrophilic, if be arranged on the surface of Obstruct membrane, its high water imbibition can produce harmful effect to the barrier of whole Obstruct membrane undoubtedly.
The utility model content
The technical problems to be solved in the utility model provides a kind of gas barrier film of sandwich construction of water and oxygen barrier property excellence.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is:
A kind of gas barrier film of sandwich construction, it arranges barrier layer and water accepting layer in the one or both sides of base material, and described Obstruct membrane also comprises one deck water contact angle at least greater than 50 ° watertight composition, and watertight composition is arranged on the outermost layer of Obstruct membrane.
In the such scheme, the thickness of described watertight composition is 20～500nm.
In the such scheme, described watertight composition is selected from fluororesin, water proofing property hot-melt resin or contains a kind of in the organic matter of metallic compound composition.
In the such scheme, described watertight composition is a kind of in PVDF, PTFE, ETFE, CTFE, PFA, FEP, PTFE, the cyclic polyolefin resin layer.
In the such scheme, described metallic compound composition is one or more in silica, silicon nitride, silicon oxynitride, silicon oxide carbide, carbon silicon oxynitride, the aluminium oxide.
In the such scheme, the structure of described gas barrier film is base material/barrier layer/water accepting layer/watertight composition.
In the such scheme, the structure of described gas barrier film is base material/barrier layer/water accepting layer/barrier layer/watertight composition.
In the such scheme, the structure of described gas barrier film is watertight composition/barrier layer/water accepting layer/barrier layer/base material/barrier layer/water accepting layer/barrier layer/watertight composition.
Compared with prior art, the utility model can prolong water vapour at the adsorption time of material surface and interlayer by contact angle is set greater than 50 ° watertight composition at outermost layer, reduces the permeability of steam; And the acting in conjunction by watertight composition and water accepting layer, steam is in the absorption of substrate surface around reducing, the water vapour that enters Obstruct membrane by watertight composition etc. can be absorbed by water accepting layer again simultaneously, thereby has reduced the amount that arrives the water vapour of barrier layer, reaches the effect that improves barrier property.
Description of drawings
Fig. 1, Fig. 2 and Fig. 3 are the schematic cross-section of gas barrier film of the present invention.
Among the figure: base material 1; Barrier layer 2; Water accepting layer 3; Watertight composition 4.
The specific embodiment
Multilayer Obstruct membrane of the present utility model arranges barrier layer and water accepting layer in the one or both sides of base material, and described Obstruct membrane also comprises 1-3 layer water contact angle greater than 50 ° watertight composition, and the outermost layer of Obstruct membrane is watertight composition.Water contact angle is set greater than 50 ° watertight composition by the outermost layer at Obstruct membrane, can effectively stops steam in the absorption on Obstruct membrane surface, thereby improve the barrier property of Obstruct membrane; By watertight composition is being set between the barrier layer or between the water accepting layer, can prolong steam equally in the absorption of material surface, thereby improve the barrier property of Obstruct membrane.
Watertight composition in the utility model can be fluorine rete, water proofing property hot-melt resin layer or the organic layer that contains the metallic compound composition.The fluorine rete can be fluorine resins such as PVDF, PTFE, ETFE, CTFE, PFA, FEP; The water proofing property hot-melt resin can be selected from and be polyethylene, cyclic polyolefin resin etc.; Contain metallic compound in the organic matter of metallic compound composition and can be selected from silica, silicon nitride, silicon oxynitride, silicon oxide carbide, carbon silicon oxynitride, the aluminium oxide one or more.The water contact angle of watertight composition is more big in the utility model, waterproof effect is more good, and the water contact angle of the watertight composition in the utility model should be greater than 50 °, and is preferred more than 70 °, can prolong steam so effectively in the time of material surface absorption, thereby reduce the moisture-vapor transmission of Obstruct membrane.
The thickness of above-mentioned watertight composition should be greater than 5nm, and thickness is more thick, and waterproof effect is more good, and manufacturing cost is also more high, preferred 10-2000nm, and more preferably 20-500nm, if watertight composition is thin excessively, waterproof effect is poor.
The formation method of above-mentioned watertight composition can adopt the method that can form required film arbitrarily, suitably selects according to selected watertight composition constituent kind, can adopt rubbing method, extrusion molding, plasma chemical vapor deposition etc.
The base material that the utility model Obstruct membrane uses, be not particularly limited, can use metal and thin polymer film, as aluminium, copper, stainless steel, polyester, methacrylic acid, methacrylic acid-maleic acid copolymerized body, polyethylene, polypropylene, transparent fluororesin, polyamide, fluoridize polyamide, polyimides, polyimide amide, the polytrimethylene ether acid amides, epoxy resin, Merlon, polyurethane resin, polytrimethylene ether ethyl ketone ester, the ester ring type polysulfones, polyether sulfone, polyacrylate, polytrimethylene ether, fluorenes ring sex change Merlon, alicyclic ring sex change Merlon, fluorenes ring sex change polyester, cyclic olefine copolymer etc.The preferably clear degree is greater than 80% thin polymer film, and is poly-to styrene naphthalene two acid esters, Merlon, ester ring type polyolefin, polyacrylate, polyether sulfone, polysulfones, cyclic olefine copolymer, polyamide, fluorenes ring sex change Merlon, alicyclic ring sex change Merlon etc.Most preferably light transmittance can be used as the encapsulation that the transparent enclosure film is applied to electronic installation greater than 90% polyester film or sheet material.
Be applicable to the preferred 1 μ m-800 μ m of thickness of base material of the present utility model, consider ease for operation such as secondary operations, most preferably 10 μ m-200 μ m.
Water accepting layer of the present utility model contains hygroscopicity inorganic matter and/or hygroscopicity organic matter, is that change in size is little after can catching in the environment water vapour and absorbing water vapour to the requirement of water accepting layer.The hygroscopicity organic matter that is suitable for has polyurethane, PVA, EVOH, polyethylene, polypropylene, PET, PEN, PES etc., the hygroscopicity inorganic matter that is suitable for is anhydrous alkali metal salt, alkali earths alkali metal salt, porous silicon oxide or nitride, as alkali metal such as sodium, potassium, alkaline-earth metals such as calcium, magnesium, barium, strontium, the sulfate of metals such as aluminium, nickel, manganese, cobalt, acetate, oxalates, hydrochloride etc.And known drier barium monoxide, calcium oxide, molecular sieve, silica gel etc., preferred silica gel, aluminium oxide, magnesia, anhydrous slufuric acid barium, barium monoxide etc.Hygroscopicity inorganic matter and/or hygroscopicity organic matter are dispersed in and form coating in the resin.The preferred 1-3 μ of the thickness of water accepting layer m.Be lower than 1 μ m, water accepting layer thickness is too low, water vapour performance deficiency in the absorbing environmental.Be higher than 3 μ m, generate the possibility height of crackle in the layer, cause water vapour effect decline in the absorbing environmental equally.
Barrier layer is generally the thin layer of metallic compound.The formation method of barrier layer can adopt known method preparations such as rubbing method, vacuum vapor deposition method, sputtering method, CVD method.
The composition of above-mentioned barrier layer can be selected from and contain silicon, aluminium, tin, zinc, titanium, magnesium, zirconium, nickel, cobalt, iron, lead, copper, palladium, the oxide of one or more metals such as indium, nitride, carbide, nitrogen oxide, oxycarbide, carbonitride, carbon nitrogen oxide.Wherein, preferred silicon, aluminium, tin, zinc, the metal oxide of titanium, nitride and nitrogen oxide, more preferably silicon, the metal oxide of aluminium, nitride and nitrogen oxide can also contain other auxiliary element.
The thickness of above-mentioned barrier layer is 5-1000nm, preferred 8-500nm, most preferably 10-200nm.Be lower than 5nm, barrier layer is inhomogeneous, and barrier property is insufficient, surpasses 1000nm, and crackle appears in fragility increase easily, and descends with the adhesive force of base material film, reduces barrier property.
Above-mentioned barrier layer can adopt the multiple-level stack more than 2 layers, and this moment, each layer composition can be the same or different.
The utility model Obstruct membrane be sandwich construction, structure commonly used is base material/barrier layer/water accepting layer/watertight composition; Base material/barrier layer/water accepting layer/barrier layer/watertight composition; Watertight composition/barrier layer/water accepting layer/barrier layer/base material/barrier layer/water accepting layer/barrier layer/watertight composition etc.
Further describe below in conjunction with the utility model of embodiment.
In 125 μ mPET(Lekai corporate systems) one side, use the CVD mode to deposit 100nm silica barrier layer; Be coated with the acrylic acid resin composition that contains 5% anhydrous sodium sulfate at barrier layer, form 2 μ m water accepting layers; At water accepting layer deposition 20nm silicon oxide carbide watertight composition, obtain the Obstruct membrane of base material/barrier layer/water accepting layer/watertight composition.
In 200 μ mPEN(Supreme Being people Du Ponts) one side, use the CVD mode to deposit 100nm silica barrier layer; Be coated with polyamide at barrier layer, form 3 μ m water accepting layers; Re-use the CVD mode and deposit 100nm silica barrier layer, airless spraying PVDF coating fluid (B-FCPM, Brill system) on barrier layer forms the thick watertight composition of 100nm afterwards, obtains the Obstruct membrane of base material/barrier layer/water accepting layer/barrier layer/watertight composition.
At 150 μ mPC(Suzhou Aomeis) one side, use the CVD mode to deposit 100nm silica barrier layer; Be coated with the acrylic acid resin composition that contains 5% anhydrous sodium sulfate at barrier layer, form 1 μ m water accepting layer; Airless spraying polyacrylate coating fluid (B-DTWN, Brill system) on water accepting layer forms the thick watertight composition of 500nm, obtains the Obstruct membrane of base material/barrier layer/water accepting layer/watertight composition.
At 200 μ mPEI(Mitsubishis) one side, use the CVD mode to deposit 100nm silica barrier layer; Be coated with the acrylic acid resin composition that contains 5% anhydrous sodium sulfate at barrier layer, form 1 μ m water accepting layer; Melt extrude 150 μ m thick polyethylene watertight compositions at water accepting layer.Obtain the Obstruct membrane of base material/barrier layer/water accepting layer/watertight composition.
Embodiment 5
In 125 μ mPET(Lekai corporate systems) one side, use the CVD mode to deposit 100nm silica barrier layer; Be coated with polyamide at barrier layer, form 1 μ m water accepting layer; Repeat above step, form one deck barrier layer and one deck water accepting layer again, deposit one deck barrier layer then, at last at barrier layer deposition 20nm silicon oxide carbide watertight composition.Obtain the Obstruct membrane of base material/barrier layer/water accepting layer/barrier layer/water accepting layer/barrier layer/watertight composition.
Embodiment 6
In 125 μ mPET(Lekai corporate systems) the two sides, use the CVD mode to deposit 100nm silica barrier layer; At the polyamide that is coated with of both sides barrier layer, form 3 μ m water accepting layers; Re-use the CVD mode, at the deposition 100nm of both sides water accepting layer silica barrier layer, airless spraying PVDF coating fluid (B-FCPM on the barrier layer of both sides afterwards, Brill system), form the thick watertight composition of 100nm, obtain the Obstruct membrane of watertight composition/barrier layer/water accepting layer/barrier layer/base material/barrier layer/water accepting layer/barrier layer/watertight composition.
Comparative Examples 1
Do not form water accepting layer and watertight composition, other obtain the Obstruct membrane of base material/barrier layer with embodiment 1.
Comparative Examples 2
Do not form water accepting layer, other obtain the Obstruct membrane of base material/barrier layer/watertight composition with embodiment 1.
Comparative Examples 3
Do not form watertight composition, other obtain the Obstruct membrane of base material/barrier layer/water accepting layer with embodiment 1.
Table 1: each embodiment performance data table
(annotate: in the table＞,＜expression exceeds the apparatus measures scope)
In the table, the method for testing of every performance is as follows:
1. OTR oxygen transmission rate OTR
Adopt oxygen transmission rate tester (OXTRAN of U.S. MOCON company 2/21) to measure.
2. moisture-vapor transmission WVTR
Adopt rate of perviousness analyzer (AQUATRAN of U.S. MOCON company 1) to measure.
3. light transmittance
Adopt haze meter (M57D of Britain DIFFUSION company) to test total light transmittance.
4. contact angle
Adopt contact angle instrument (go up marine morning the GC2000CI of company) to test.
Claims (7)
1. the gas barrier film of a sandwich construction, it arranges barrier layer and water accepting layer in the one or both sides of base material, it is characterized in that, and described Obstruct membrane also comprises one deck water contact angle at least greater than 50 ° watertight composition, and watertight composition is arranged on the outermost layer of Obstruct membrane.
2. Obstruct membrane according to claim 1 is characterized in that, the thickness of described watertight composition is 20～500nm.
3. Obstruct membrane according to claim 2 is characterized in that, described watertight composition is selected from fluororesin, water proofing property hot-melt resin or contains a kind of in the organic matter layer of metallic compound composition.
4. gas barrier film according to claim 3 is characterized in that, described watertight composition is a kind of in PVDF, PTFE, ETFE, CTFE, PFA, FEP, PTFE, the cyclic polyolefin resin.
5. Obstruct membrane according to claim 4 is characterized in that, the structure of described gas barrier film is base material/barrier layer/water accepting layer/watertight composition.
6. Obstruct membrane according to claim 4 is characterized in that, the structure of described gas barrier film is base material/barrier layer/water accepting layer/barrier layer/watertight composition.
7. Obstruct membrane according to claim 4 is characterized in that, the structure of described gas barrier film is watertight composition/barrier layer/water accepting layer/barrier layer/base material/barrier layer/water accepting layer/barrier layer/watertight composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220643857 CN203141961U (en) | 2012-11-29 | 2012-11-29 | Gas barrier film with multilayer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220643857 CN203141961U (en) | 2012-11-29 | 2012-11-29 | Gas barrier film with multilayer structure |
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| CN203141961U true CN203141961U (en) | 2013-08-21 |
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| CN 201220643857 Expired - Lifetime CN203141961U (en) | 2012-11-29 | 2012-11-29 | Gas barrier film with multilayer structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487857A (en) * | 2013-10-11 | 2014-01-01 | 张家港康得新光电材料有限公司 | Quantum dot film and backlight module |
| CN105829094A (en) * | 2013-10-10 | 2016-08-03 | 东洋制罐集团控股株式会社 | Gas barrier laminate having good moisture barrier properties |
| CN107379694A (en) * | 2017-07-19 | 2017-11-24 | 日氟荣高分子材料(上海)有限公司 | A kind of water vapor rejection film and its production and use |
| CN108164734A (en) * | 2017-11-28 | 2018-06-15 | 中国乐凯集团有限公司 | A kind of gas barrier film and its application |
| CN113524667A (en) * | 2021-05-31 | 2021-10-22 | 成都大学 | Water vapor barrier composite material with multiple bionic structures and preparation method thereof |
| CN113646170A (en) * | 2019-03-28 | 2021-11-12 | 味之素株式会社 | Resin sheet with support |
-
2012
- 2012-11-29 CN CN 201220643857 patent/CN203141961U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105829094A (en) * | 2013-10-10 | 2016-08-03 | 东洋制罐集团控股株式会社 | Gas barrier laminate having good moisture barrier properties |
| US9956748B2 (en) | 2013-10-10 | 2018-05-01 | Toyo Seikan Group Holdings, Ltd. | Gas-barrier laminate having favorable water-barrier property |
| CN103487857A (en) * | 2013-10-11 | 2014-01-01 | 张家港康得新光电材料有限公司 | Quantum dot film and backlight module |
| CN107379694A (en) * | 2017-07-19 | 2017-11-24 | 日氟荣高分子材料(上海)有限公司 | A kind of water vapor rejection film and its production and use |
| CN108164734A (en) * | 2017-11-28 | 2018-06-15 | 中国乐凯集团有限公司 | A kind of gas barrier film and its application |
| CN113646170A (en) * | 2019-03-28 | 2021-11-12 | 味之素株式会社 | Resin sheet with support |
| CN113524667A (en) * | 2021-05-31 | 2021-10-22 | 成都大学 | Water vapor barrier composite material with multiple bionic structures and preparation method thereof |
| CN113524667B (en) * | 2021-05-31 | 2023-05-05 | 成都大学 | Water vapor barrier composite material with multiple bionic structures and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171219 Address after: 473003 Nanyang Station Road, Henan, No. 718 Patentee after: Lucky Huaguang Graphics Co.,Ltd. Address before: South Street, new urban lucky 071054 Hebei province Baoding City No. 6 Patentee before: CHINA LUCKY Group Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |