CN203048857U - Pre-crosslinked hot melt adhesive coating with multi-layer co-extruded surface layer - Google Patents
Pre-crosslinked hot melt adhesive coating with multi-layer co-extruded surface layer Download PDFInfo
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- CN203048857U CN203048857U CN 201320007608 CN201320007608U CN203048857U CN 203048857 U CN203048857 U CN 203048857U CN 201320007608 CN201320007608 CN 201320007608 CN 201320007608 U CN201320007608 U CN 201320007608U CN 203048857 U CN203048857 U CN 203048857U
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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 utility model relates to a pre-crosslinked hot melt adhesive coating with a multi-layer co-extruded surface layer. The coating comprises a co-extruded hot melt adhesive coating with at least two layers, wherein the surface layer is a pre-crosslinked surface layer, and at least one of other layers is a color layer. Preferably, the surface layer is transparent or semi-transparent. The surface layer is not completely a pre-crosslinked surface layer or completely a pre-crosslinked surface layer. The co-extruded hot melt adhesive coating is an ethylene-vinyl acetate resin co-extruded hot melt adhesive coating, a polyolefin elastomer co-extruded hot melt adhesive coating or a polyethylene butyral resin co-extruded hot melt adhesive coating. The pre-crosslinked hot melt adhesive coating for the multi-layer co-extruded surface layer is 0.3-2mm thick. The pre-crosslinked hot melt adhesive coating for the multi-layer co-extruded surface layer provided by the utility model is skillful in design and concise in structure, can be applied to occasions with special requests, and particularly to occasions with two coatings and different colors of the coatings, and is suitable for large-scale popularization and application.
Description
Technical field
The utility model relates to the glued membrane technical field, and particularly the glue film for solar cell technical field specifically refers to a kind of multi-layer co-extruded upper layer precrosslink hot melt film adhesive.
Background technology
Hot melt adhesive film is used in the fields such as bonding of doubling glass, solar module encapsulation, metal sheet and plastic plate in large quantities.Glued membrane adopts the material of transparent flexible usually, as the polyolefin elastomer (POE) of ethylene-vinyl acetate copolymer (EVA), polyvinyl butyral acetal (PVB), silane grafting, there are Mitsui company, French Arkema, du pont company, Dow Chemical company in the common supplier of these materials.Two-layer glued membrane need be used in some special occasion, such as between double glazing, sandwiching figuratum cloth, decorative pattern cloth will be added with two-layer glued membrane and between glued membrane like this.And for example solar module will sandwich the battery sheet between two-layer glued membrane, frangible battery sheet is protected etc.This class glued membrane is generally transparent single layer structure, and the surface is for preventing from adhesion, have doing embossing or frosted finish effect processing.There are companies such as Japanese Bridgestone, U.S. STR, U.S. 3M in the supplier of this type of glued membrane.Some company also produces the glued membrane of white or other color to satisfy different client's needs.But to cause the levels glued membrane to melt speed inconsistent owing to glued membrane can't be paved fully in actual applications, causes the color of lower floor to infiltrate the upper strata and cause the color interface unintelligible, influences the assembly outward appearance.Some company uses the way of double-layer coextrusion to attempt to deal with problems, and namely the upper strata is that transparent layer, lower floor are color layers, but still the situation of levels color penetration can take place.
So when needs use the inconsistent glued membrane of levels color, need to solve the interpenetrative problem of levels color.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of multi-layer co-extruded upper layer precrosslink hot melt film adhesive is provided, this multi-layer co-extruded upper layer precrosslink hot melt film adhesive design is ingenious, simple for structure, the occasion that can be used for some special requirements, referring in particular to needs to use the color of two-layer glued membrane and two membranes to need different occasions, is suitable for large-scale promotion application.
To achieve these goals, multi-layer co-extruded upper layer precrosslink hot melt film adhesive of the present utility model is characterized in that comprise two-layer at least co-extrusion hot melt film adhesive, wherein upper layer is the precrosslink upper layer, and having one deck at least in other layer is color layers.
Preferably, adopt two-layer or three-decker.The color of color layers can be but be not limited to white, mazarine or black.Pigment can use but be not limited to titanium dioxide, barium sulfate, carbon black.
Preferably, described upper layer is transparent or semitransparent.
Preferably, described upper layer is part precrosslink upper layer or whole precrosslink upper layer.Cross-linking method can use that ultraviolet light polymerization is crosslinked, radiation crosslinking solidifies or the silane warm water crosslinking.Preferable, adopt ultraviolet light polymerization.
Preferably, the degree of crosslinking of described upper layer is greater than 15%.More preferably, degree of crosslinking is greater than 40%.
The material of described multi-layer co-extruded upper layer precrosslink hot melt film adhesive can be one or more of the polyolefin elastomer (POE) of the polyolefin elastomer of ethylene-vinyl acetate resin (EVA), silane grafting or other polar material grafting and polyvinyl butyral resin (PVB).Glued membrane can contain following one or more additives: peroxide cross-linking agent, additional crosslinker, silane coupling agent, oxidation inhibitor, ultraviolet screening agent and photostabilizer on demand except main resin.Preferably, described co-extrusion hot melt film adhesive is ethylene-vinyl acetate resin co-extrusion hot melt film adhesive, polyolefin elastomer co-extrusion hot melt film adhesive or polyvinyl butyral resin co-extrusion hot melt film adhesive.
Preferably, the thickness of described multi-layer co-extruded upper layer precrosslink hot melt film adhesive is between 0.3 millimeter to 2 millimeters.The thickness of each layer can be regulated arbitrarily.
The beneficial effects of the utility model specifically are: multi-layer co-extruded upper layer precrosslink hot melt film adhesive of the present utility model comprises two-layer at least co-extrusion hot melt film adhesive, wherein upper layer is the precrosslink upper layer, having one deck at least in other layer is color layers, design ingenious, simple for structure, the occasion that can be used for some special requirements, referring in particular to needs to use the color of two-layer glued membrane and two membranes to need different occasions, is suitable for large-scale promotion application.
Description of drawings
Fig. 1 is that the master of first specific embodiment of the present utility model looks synoptic diagram, and wherein 1 is upper strata (upper layer), and 2 is the middle level, and 3 is lower floor.
Fig. 2 is that the master of second specific embodiment of the present utility model looks synoptic diagram, and wherein 1 is upper strata (upper layer), and 3 is lower floor.
Fig. 3 is that the master of the 3rd specific embodiment of the present utility model looks synoptic diagram, and wherein 1 is upper strata (upper layer), and 3 is lower floor.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
Embodiment 1: the three-layer co-extruded precrosslink hot melt film adhesive of ethylene-vinyl acetate resin (as Fig. 1)
The three-layer co-extruded hot melt film adhesive of making is through ultra violet lamp, and upper strata (upper layer) is towards ultraviolet tube.UV-light adopts inorganic lamp, and the intensity of lamp is 1800 milliwatt/square centimeters, and the time was 3 seconds.The test mode of degree of crosslinking be dimethylbenzene 140 ℃ down with the balloon flask extracting that adds prolong 4 hours, relatively can't be dissolved in EVA weight in the dimethylbenzene and the ratio of original weight.
Use it in the manufacturing of two-layer process ambetti, use double-deck glued membrane, one deck is that transparent adhesive film, one deck are this glued membrane, and therebetween one deck has the burlap of stamp, and the woven design space of burlap is at half millimeter.The transparent layer of this glued membrane is facing to burlap.Glass uses ordinary plate glass.Behind the lamination, see it is White-opalescent glass from one side, see it is the blue glass that the burlap figure decoration is arranged from another side, blue at the burlap rear side, from the slit of cloth, be seeped into opposite side without any blueness.
Embodiment 2: the two-layer co-extrusion precrosslink of silane grafted polyolefin elastomers resin hot melt film adhesive (as Fig. 2)
The hot melt adhesive film made adopts the same ultraviolet light polymerization with embodiment 1.Above-mentioned glued membrane and transparent silane grafted polyolefin elastomers glued membrane are used for solar module manufacturing, place downside and the upside of solar battery sheet respectively.The glued membrane of upside is transparent adhesive film, 0.5 millimeter of thickness.This glued membrane transparent layer of battery sheet downside is facing to the battery sheet.Find the surfacing of black layer behind the lamination, black is not seeped in the upside glued membrane, the phenomenon on the welding that does not yet have to hide battery sheet edge or hide connection battery sheet.
Embodiment 3: the two-layer co-extrusion precrosslink of ethylene vinyl acetate resin hot melt film adhesive (as Fig. 3)
| ? | The upper strata | Lower floor |
| Material | Ethylene-vinyl acetate resin | Ethylene-vinyl acetate resin |
| Vinyl acetate content (weight) | 25% | 25% |
| Color | Transparent | Grey |
| Thickness (millimeter) | 0.4 | 0.6 |
| Crosslinking degree | 40% | Not crosslinked |
The hot melt film adhesive of making adopts the ultraviolet light polymerization the same with a kind of embodiment, and it is used in the ambetti manufacturing.Use blue individual layer ethene-vinyl acetate glued membrane and this glued membrane stacked, in the middle of transparent precrosslink was placed on, both sides all were ordinary plate glass.After the heated lamination, double glazing simultaneously is grey, and another side is blue.Because blue and grey does not interpenetrate, so see that from any one side color does not all very evenly have defective.
The utility model be a kind of special construction multi-layer co-extruded, a upper layer precrosslink arranged, this layer is transparent or semitransparent, and other layer is the coloured hot melt film adhesive of one deck at least, the occasion that it can be used for some special requirements, referring in particular to needs to use the color of two-layer glued membrane and two membranes to need different occasions.
To sum up, multi-layer co-extruded upper layer precrosslink hot melt film adhesive design of the present utility model is ingenious, simple for structure, can be used for the occasion of some special requirements, referring in particular to needs to use the color of two-layer glued membrane and two membranes to need different occasions, is suitable for large-scale promotion application.
In this specification sheets, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification sheets and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (5)
1. a multi-layer co-extruded upper layer precrosslink hot melt film adhesive is characterized in that, comprise two-layer at least co-extrusion hot melt film adhesive, wherein upper layer is the precrosslink upper layer, and having one deck at least in other layer is color layers.
2. multi-layer co-extruded upper layer precrosslink hot melt film adhesive according to claim 1 is characterized in that described upper layer is transparent or semitransparent.
3. multi-layer co-extruded upper layer precrosslink hot melt film adhesive according to claim 1 is characterized in that, described upper layer is part precrosslink upper layer or whole precrosslink upper layer.
4. multi-layer co-extruded upper layer precrosslink hot melt film adhesive according to claim 1, it is characterized in that described co-extrusion hot melt film adhesive is ethylene-vinyl acetate resin co-extrusion hot melt film adhesive, polyolefin elastomer co-extrusion hot melt film adhesive or polyvinyl butyral resin co-extrusion hot melt film adhesive.
5. multi-layer co-extruded upper layer precrosslink hot melt film adhesive according to claim 1 is characterized in that the thickness of described multi-layer co-extruded upper layer precrosslink hot melt film adhesive is between 0.3 millimeter to 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007608 CN203048857U (en) | 2013-01-08 | 2013-01-08 | Pre-crosslinked hot melt adhesive coating with multi-layer co-extruded surface layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007608 CN203048857U (en) | 2013-01-08 | 2013-01-08 | Pre-crosslinked hot melt adhesive coating with multi-layer co-extruded surface layer |
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| Publication Number | Publication Date |
|---|---|
| CN203048857U true CN203048857U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320007608 Expired - Lifetime CN203048857U (en) | 2013-01-08 | 2013-01-08 | Pre-crosslinked hot melt adhesive coating with multi-layer co-extruded surface layer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804774A (en) * | 2014-02-24 | 2014-05-21 | 上海海优威电子技术有限公司 | Radiation pre-crosslinked ethylene-vinyl acetate (EVA) resin film and preparation method thereof |
| CN105774154A (en) * | 2014-12-26 | 2016-07-20 | 昆山天洋热熔胶有限公司 | Multilayer packaging glue film for solar cell and preparing technology thereof |
| EP3112413A4 (en) * | 2014-02-24 | 2017-10-18 | Shanghai Hiuv New Materials Co., Ltd. | Radiation pre-crosslinked polyolefin adhesive film, preparation method therefor, encapsulating method and assembly with same |
| CN113183431A (en) * | 2021-03-14 | 2021-07-30 | 杭州锴越新材料有限公司 | Preparation method of hot melt adhesive for shoes |
| US20220056315A1 (en) * | 2020-08-19 | 2022-02-24 | Changzhou Betterial Film Technologies Co.,Ltd. | Hot melt adhesive film, and preparation method, use, and organosilicon polymer thereof |
-
2013
- 2013-01-08 CN CN 201320007608 patent/CN203048857U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804774A (en) * | 2014-02-24 | 2014-05-21 | 上海海优威电子技术有限公司 | Radiation pre-crosslinked ethylene-vinyl acetate (EVA) resin film and preparation method thereof |
| EP3112413A4 (en) * | 2014-02-24 | 2017-10-18 | Shanghai Hiuv New Materials Co., Ltd. | Radiation pre-crosslinked polyolefin adhesive film, preparation method therefor, encapsulating method and assembly with same |
| CN103804774B (en) * | 2014-02-24 | 2019-06-18 | 上海海优威新材料股份有限公司 | Radiation pre-cross ethylene-vinyl acetate resin film and preparation method thereof |
| CN105774154A (en) * | 2014-12-26 | 2016-07-20 | 昆山天洋热熔胶有限公司 | Multilayer packaging glue film for solar cell and preparing technology thereof |
| CN105774154B (en) * | 2014-12-26 | 2018-02-27 | 昆山天洋热熔胶有限公司 | A kind of multilayer encapsulation glued membrane used for solar batteries and its preparation technology |
| US20220056315A1 (en) * | 2020-08-19 | 2022-02-24 | Changzhou Betterial Film Technologies Co.,Ltd. | Hot melt adhesive film, and preparation method, use, and organosilicon polymer thereof |
| CN113183431A (en) * | 2021-03-14 | 2021-07-30 | 杭州锴越新材料有限公司 | Preparation method of hot melt adhesive for shoes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HIUV NEW MATERIALS CO., LTD. Free format text: FORMER OWNER: LI MIN Effective date: 20141009 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201203 PUDONG NEW AREA, SHANGHAI TO: 201209 PUDONG NEW AREA, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20141009 Address after: 201209 Shanghai city Pudong New Area Caolu town folk Road No. 396 Patentee after: SHANGHAI HIUV NEW MATERIALS Co.,Ltd. Address before: 201203, Shanghai, Pudong New Area, 3000 East long avenue, Zhang Jiang hi tech Development Zone, No. 1, building A, block 909B Patentee before: Li Min |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |