CN102446996A - Flexible transparent high-barrier packaging membrane - Google Patents
Flexible transparent high-barrier packaging membrane Download PDFInfo
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- CN102446996A CN102446996A CN2010105062881A CN201010506288A CN102446996A CN 102446996 A CN102446996 A CN 102446996A CN 2010105062881 A CN2010105062881 A CN 2010105062881A CN 201010506288 A CN201010506288 A CN 201010506288A CN 102446996 A CN102446996 A CN 102446996A
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- Prior art keywords
- barrier
- flexible
- membrane
- encapsulating film
- obstruct membrane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a flexible transparent high-barrier packaging membrane, which includes barrier membranes, an adhesive layer and an anti-ultraviolet layer, wherein the barrier membranes include a barrier membrane I and a barrier membrane II; a nano-material with water absorption and oxygen absorption performances is added into the adhesive layer; the barrier membrane I and the barrier membrane II are compounded through the adhesive layer to prepare a composite membrane; the anti-ultraviolet layer can be directly coated or sputtered on the composite membrane. The packaging membrane has high barrier performance, and also has a simple entire production process, high production line speed, a mature raw material production technology and low cost; and thus, the scale-up production is high, and the product cost is far away lower than that of the similar products on the current market. Most importantly, the product can make up for the critical defect of sharply declined barrier performance caused by cracks produced in production and application of the similar product barrier layers.
Description
Technical field
The present invention relates to a kind of encapsulating film, relate in particular to a kind of flexible and transparent high-barrier encapsulating film, specifically be applicable to the product encapsulation that solar product etc. is had relatively high expectations to barrier property.
Background technology
Environmental pollution and energy shortage have become the problem that the mankind can not be ignored, impel national governments to promote the research and development and the application of renewable resource.Solar energy is with a very important position the regenerative resource industry, is a kind of inexhaustible, nexhaustible green energy resource.It is estimated that the annual solar energy that receives on the earth is equivalent to human annual combustion fuel and obtains 3000 times of energy; As long as the mankind make good use of solar energy and just can satisfy the energy demand of self, the environmental problem that also can avoid combustion fuel to bring.Utilizing solar components that solar energy converting is become electric energy is a kind ofly effectively to utilize approach, thereby the shared market share of solar components also increases continuing.Yet; Encapsulating film to the core in the solar components shields is usually poor because of barrier property; Cause water, oxygen, corrosivity gas-liquid (like acid rain) destruction to its generation; Sharply shorten the life-span of assembly, also increased the cost of photovoltaic product simultaneously, be unfavorable for popularizing fast of photovoltaic product.
Summary of the invention
Technical solution of the present invention provides a kind of flexible and transparent high-barrier encapsulating film; Comprise Obstruct membrane, adhesive layer, uvioresistant coating; Described Obstruct membrane I adopts combination process to be prepared into composite membrane through adhesive layer and Obstruct membrane II, and described uvioresistant layer directly applies or is splashed to and can obtain flexible and transparent high-barrier encapsulating film on the composite membrane.
Described flexible and transparent high-barrier encapsulating film is the packaging film that a kind of pliability is good, transparency is high.
Described flexible and transparent high-barrier encapsulating film is made through combination process by Obstruct membrane, adhesive layer and uvioresistant layer.
Described Obstruct membrane I and Obstruct membrane II are that market scale is big, mature production technology, lower-cost transparent membrane.
Described Obstruct membrane I and Obstruct membrane II can be base material films of the same race, also can be the xenogenesis base material films.
Described Obstruct membrane I and Obstruct membrane II can be equal thickness, also can be different-thickness.
Described Obstruct membrane is the film of handling through conventional barrier inorganic coating, described inorganic coating material therefor be from by metal oxide or nonmetal oxide or their nitride (like Al
2O
3, SiO
2, Si
3N
4) wait and choose any one kind of them or several kinds combination.。
Described Obstruct membrane is after handling through conventional barrier inorganic coating; Can with specifically absorb water, the nano material of oxygen uptake performance applies or be splashed on the inorganic coating, described nano material be from by metal or metal oxide or nonmetal oxide (like Ag, SiO
2, TiO
2, ATO) etc. choose any one kind of them or several kinds combination, and do not influence the properties of transparency of encapsulating film after the suction, oxygen uptake.
Can add a last described nano material in the described adhesive with suction, oxygen uptake function.
Described uvioresistant layer directly applies or is splashed to by Obstruct membrane I and the preliminary compound composite membrane that makes of Obstruct membrane II one-sided.
The outermost layer of described flexible and transparent high-barrier encapsulating film can apply one deck soiling protective layer or anti-scratch rigidity layer, and described stain-proofing layer contains fluoride etc.
Described flexible and transparent high-barrier encapsulating film can overcome the rapid critical defect that descends of barrier property that slight crack occurs in monofilm production and the application and cause.
Advantage of the present invention and remarkable result thereof:
Because the constituted mode of a kind of flexible and transparent high-barrier of the present invention encapsulating film and the special adhesive that is adopted are compared with the barrier encapsulating film that generally adopts in the market, encapsulating film of the present invention has more advantage.1. quite maturation, ample supply of commodities on the market, cost are lower for the production technology of raw material barrier film, and the used film thickness of the present invention is thinner, are the half the even thinner of barrier film commonly used; Production technology with compound be main, to apply, to be sputtered to main technology and to compare, line speed of the present invention is fast, production capacity is higher, cost is lower, and environment is not had any harm, belongs to zero discharge with at present generally; 3. encapsulating film of the present invention good, thin volume in light weight, flexible can cut randomly, be prone to processing, but and color variation.In addition, product of the present invention not only is applied to the photovoltaic product, also is applicable to the industry that other are had relatively high expectations to barrier property simultaneously.Therefore; The present invention is a kind of through improving the effective ways of existing barrier encapsulating film technology content increase economic benefit: flexible and transparent high-barrier encapsulating film of the present invention has unique multiple obstruct effect; And characteristics such as cost is lower, the scope of application is wide, the market potential prospect is good; Thereby can open up the more applications field, and produce very high economic benefit.
Description of drawings
Fig. 1 is a flexible and transparent high-barrier encapsulating film structural representation of the present invention.
Fig. 2 is the structural representation that flexible and transparent high-barrier encapsulating film of the present invention is provided with sealant and soiling protective layer.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Referring to Fig. 1; A kind of flexible and transparent high-barrier encapsulating film; Comprise Obstruct membrane I (1), adhesive layer (2), Obstruct membrane II (3), uvioresistant layer (4) and nano material (5); Added in the described adhesive layer (2) have suction, the nano material of oxygen uptake function (5), like the nanometer Ag particle, described Obstruct membrane I (1) adopts combination process to be prepared into composite membrane through adhesive layer (2) and Obstruct membrane II (3); Described uvioresistant layer (4) applies or is splashed to the outside of Obstruct membrane II (3), can obtain the flexible and transparent high-barrier encapsulating film of multiple barrier property.
As preferably, Obstruct membrane adopts the good plastic film of the transparency.
Preferred as further, Obstruct membrane adopts the barrier film in liberal supply, that price is lower.
Preferred as further, it is the half the even thinner Obstruct membrane of common encapsulating film thickness that Obstruct membrane adopts.
Preferred as further, Obstruct membrane adopts conventional barrier inorganic coating to handle.
As preferably, add nano material (5) in the adhesive layer (2) with suction, oxygen uptake function.
Preferred as further, the nano material (5) of adding in the adhesive layer (2) does not influence the transparency of encapsulating film after suction, like the nanometer Ag particle.
As preferably, uvioresistant layer (4) can be the film with certain degree of hardness.
Preferred as further, the uvioresistant layer (4) of hard is compound to Obstruct membrane through adhesive.
Referring to Fig. 2, a kind of flexible and transparent high-barrier encapsulating film that is provided with stain-proofing layer and protective layer comprises Obstruct membrane I (1), adhesive layer (2), Obstruct membrane II (3), uvioresistant film (4), nano material (5), antifouling coating (6), diaphragm seal (7) and diaphragm (8).Obstruct membrane I (1), adhesive layer (2), Obstruct membrane II (3) press the combination process preparation among the embodiment 1; Uvioresistant film (4) and antifouling coating (6) are coated on the composite barrier film that tentatively makes successively; Diaphragm seal (7) and diaphragm (8) are compound to the opposite side of the composite barrier film that tentatively makes successively, can obtain the product of embodiment 2.
As preferably, the material (5) that sputter one deck has suction, oxygen uptake function on the Obstruct membrane that conventional barrier is handled, for example nanometer Ag particle.
As preferably, uvioresistant film one side of flexible and transparent high-barrier encapsulating film applies one deck soiling protective film (6).
Preferred as further, the soiling protective film (6) of coating contains compositions such as fluoride.
Preferred as further, the compound one deck diaphragm seal of the side of the Obstruct membrane I of flexible and transparent high-barrier encapsulating film (7).
Preferred as further, one deck of diaphragm seal is pasted layer protective layer (8), and protective layer is peeled off in use and got final product.
The present invention not only has unique multiple obstruct effect; Remedied that present like product barrier layer slight crack occurs in producing and using and critical defect that the barrier property that causes sharply descends; And each raw material mature production technology, cost are lower, and the scope of application of product of the present invention is wide, the market potential prospect is good.Therefore, the present invention can also open up the more applications field, produces very high economic benefit.
The above is merely preferred embodiments of the present invention; Protection scope of the present invention is not exceeded with above-mentioned execution mode; As long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (10)
1. a flexible and transparent high-barrier encapsulating film comprises Obstruct membrane I (1), adhesive layer (2), Obstruct membrane II (3) and uvioresistant layer (4), adopts combination process to be prepared into composite membrane.
2. a kind of flexible and transparent high-barrier encapsulating film according to claim 1 is characterized in that: described adhesive layer (2) is a kind of adhesive layer with suction, oxygen uptake function, and does not influence properties of transparency after the suction, oxygen uptake.
3. a kind of flexible and transparent high-barrier encapsulating film according to claim 1; It is characterized in that: added in the described adhesive layer (2) have suction, the nano-substance of oxygen uptake function (5), described nano-substance (5) is from being chosen any one kind of them by metal or metal oxide or nonmetal oxide (like Ag, SiO2, TiO2, ATO) etc. or several kinds combination.
4. a kind of flexible and transparent high-barrier encapsulating film according to claim 1 is characterized in that: described Obstruct membrane I (1) and Obstruct membrane II (3) can be base films of the same race, also can be different base films.
5. a kind of flexible and transparent high-barrier encapsulating film according to claim 1 is characterized in that: described Obstruct membrane I (1) and Obstruct membrane II (3) are same thickness, also can be different-thickness.
6. a kind of flexible and transparent high-barrier encapsulating film according to claim 1; It is characterized in that: described Obstruct membrane I (1) and Obstruct membrane II (3) can carry out conventional barrier inorganic coating earlier, described inorganic coating with material be from by metal oxide or nonmetal oxide or their nitride (like Al
2O
3, SiO
2, Si
3N
4) wait and choose any one kind of them or several kinds combination.
7. a kind of flexible and transparent high-barrier encapsulating film according to claim 1 is characterized in that: described behind inorganic coating Obstruct membrane, can the nano material (5) with suction, oxygen uptake function be splashed on the inorganic coating.
8. a kind of flexible and transparent high-barrier encapsulating film according to claim 1, it is characterized in that: described uvioresistant layer (4) can directly apply or be splashed on the composite barrier film.
9. a kind of high-barrier flexible and transparent encapsulating film according to claim 1 is characterized in that: the uvioresistant layer that the optional usefulness of described uvioresistant layer (4) has certain degree of hardness.
10. a kind of high-barrier flexible and transparent encapsulating film according to claim 1, it is characterized in that: the outermost layer of described high-barrier flexible and transparent encapsulating film can apply one deck soiling protective layer or anti-scratch rigidity layer, and described stain-proofing layer contains fluoride etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105062881A CN102446996A (en) | 2010-10-14 | 2010-10-14 | Flexible transparent high-barrier packaging membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105062881A CN102446996A (en) | 2010-10-14 | 2010-10-14 | Flexible transparent high-barrier packaging membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102446996A true CN102446996A (en) | 2012-05-09 |
Family
ID=46009311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105062881A Pending CN102446996A (en) | 2010-10-14 | 2010-10-14 | Flexible transparent high-barrier packaging membrane |
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| CN (1) | CN102446996A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299093A (en) * | 2016-09-18 | 2017-01-04 | 纳晶科技股份有限公司 | Quantum dot film and back light unit |
| CN108485547A (en) * | 2018-02-08 | 2018-09-04 | 康美药业股份有限公司 | A kind of automatic medicine selling machine photomask and preparation method thereof |
| CN108767057A (en) * | 2018-05-25 | 2018-11-06 | 北京汉能光伏投资有限公司 | Solar cell package plate and its preparation process, solar cell |
| CN108767033A (en) * | 2018-05-25 | 2018-11-06 | 北京汉能光伏投资有限公司 | Solar cell package plate and its preparation process, solar cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006076051A (en) * | 2004-09-08 | 2006-03-23 | Toppan Printing Co Ltd | Barrier film and its manufacturing method |
| TW201012648A (en) * | 2008-04-09 | 2010-04-01 | Agency Science Tech & Res | Multilayer film for encapsulating oxygen and/or moisture sensitive electronic devices |
| CN101752500A (en) * | 2008-12-15 | 2010-06-23 | 深圳丹邦投资集团有限公司 | Encapsulation barrier coat and preparation method thereof |
| WO2010086272A1 (en) * | 2009-01-28 | 2010-08-05 | Evonik Degussa Gmbh | Transparent, weather-resistant barrier film, production by lamination, extrusion lamination or extrusion coating |
-
2010
- 2010-10-14 CN CN2010105062881A patent/CN102446996A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006076051A (en) * | 2004-09-08 | 2006-03-23 | Toppan Printing Co Ltd | Barrier film and its manufacturing method |
| TW201012648A (en) * | 2008-04-09 | 2010-04-01 | Agency Science Tech & Res | Multilayer film for encapsulating oxygen and/or moisture sensitive electronic devices |
| CN101752500A (en) * | 2008-12-15 | 2010-06-23 | 深圳丹邦投资集团有限公司 | Encapsulation barrier coat and preparation method thereof |
| WO2010086272A1 (en) * | 2009-01-28 | 2010-08-05 | Evonik Degussa Gmbh | Transparent, weather-resistant barrier film, production by lamination, extrusion lamination or extrusion coating |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299093A (en) * | 2016-09-18 | 2017-01-04 | 纳晶科技股份有限公司 | Quantum dot film and back light unit |
| CN108485547A (en) * | 2018-02-08 | 2018-09-04 | 康美药业股份有限公司 | A kind of automatic medicine selling machine photomask and preparation method thereof |
| CN108485547B (en) * | 2018-02-08 | 2021-11-16 | 康美药业股份有限公司 | Shading film for automatic medicine selling machine and preparation method thereof |
| CN108767057A (en) * | 2018-05-25 | 2018-11-06 | 北京汉能光伏投资有限公司 | Solar cell package plate and its preparation process, solar cell |
| CN108767033A (en) * | 2018-05-25 | 2018-11-06 | 北京汉能光伏投资有限公司 | Solar cell package plate and its preparation process, solar cell |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Rouyin Photoelectric Technology Co., Ltd. Document name: the First Notification of an Office Action |
|
| DD01 | Delivery of document by public notice |
Addressee: Fang Lijuan Document name: Notification that Application Deemed to be Withdrawn |
|
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 215300, Jiangsu Province, Kunshan City, North million liters Road, No. 398, 2-401 Applicant after: Suzhou Rouyin Photoelectric Technology Co., Ltd. Address before: 215316 No. 336 South hope road, Yushan Town, Jiangsu, Kunshan Applicant before: Suzhou Rouyin Photoelectric Technology Co., Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120509 |