CN211994526U - EVA (ethylene-vinyl acetate) intermediate film for high-transparency heat-insulation building glass - Google Patents
EVA (ethylene-vinyl acetate) intermediate film for high-transparency heat-insulation building glass Download PDFInfo
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- CN211994526U CN211994526U CN202020394063.0U CN202020394063U CN211994526U CN 211994526 U CN211994526 U CN 211994526U CN 202020394063 U CN202020394063 U CN 202020394063U CN 211994526 U CN211994526 U CN 211994526U
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- eva
- layer
- building glass
- insulation building
- glass according
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- 238000009413 insulation Methods 0.000 title claims abstract description 35
- 239000011521 glass Substances 0.000 title claims abstract description 21
- 239000005038 ethylene vinyl acetate Substances 0.000 title description 62
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title description 62
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 title description 60
- 239000012528 membrane Substances 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 97
- 239000002313 adhesive film Substances 0.000 claims description 20
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 14
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 11
- 229920005749 polyurethane resin Polymers 0.000 claims description 10
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims 8
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 14
- 238000007731 hot pressing Methods 0.000 description 17
- 230000002349 favourable effect Effects 0.000 description 16
- 239000000463 material Substances 0.000 description 14
- 230000004224 protection Effects 0.000 description 6
- 239000005340 laminated glass Substances 0.000 description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000012939 laminating adhesive Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of the technique of EVA intermediate film and specifically relates to a high transparent heat insulation type EVA intermediate film for building glass is related to, it includes the EVA glued membrane that two-layer relative set up, and is two-layer the position that the EVA glued membrane opposite face is close to the periphery is provided with a plurality of banding strips one respectively, and is a plurality of banding strip one is formed with the storage tank, be provided with the nanometer insulating layer in the storage tank, be provided with the puigging between the adjacent two-layer nanometer insulating layer. The utility model discloses have good light transmissivity, thermal-insulated and syllable-dividing effect.
Description
Technical Field
The utility model belongs to the technical field of the technique of EVA intermediate film and specifically relates to a high transparent heat-insulating type EVA intermediate film for building glass.
Background
In the fields of chemistry and organic chemical industry, EVA refers to an ethylene-vinyl acetate copolymer and a rubber-plastic foam material prepared from the ethylene-vinyl acetate copolymer, has a molecular formula of (C2H4) x (C4H6O2) y, and is used for manufacturing refrigerator guide pipes, gas pipes, civil engineering boards, containers, daily necessities and the like. EVA is a thermosetting adhesive film for being placed in the middle of laminated glass. The EVA intermediate film is a semitransparent film with shallow two surfaces before being heated, and has excellent transparency and high bonding strength with glass after being heated and cured. The laminating adhesive can be applied to laminating adhesive processes of various glass, such as embossed glass, toughened glass, bent glass and the like, building laminated glass, decorative laminated glass, anti-theft glass and plastic laminated plates.
Chinese patent No. CN208428752U discloses an EVA composite adhesive film, which comprises a first EVA adhesive film layer, an ultraviolet-proof film layer, a white EVA adhesive film layer, a mechanical structure layer, and a second EVA adhesive film layer from top to bottom, wherein the adjacent layers are bonded by a hot pressing method; the mechanical structure layer is a PP honeycomb layer, and the thickness of the PP honeycomb layer is 3-4 mm.
The above prior art solutions have the following drawbacks: adopt simple multilayer EVA glued membrane and anti ultraviolet thin layer, mechanical structure layer to carry out the hot pressing bonding, the mixed excessive gluey more of the multiple combined material in EVA film edge after the complex, light transmissivity greatly reduced, the effect that gives sound insulation is not enough, hardly satisfies the syllable-dividing and the light transmissivity requirement that laminated glass needs when applying on laminated glass.
SUMMERY OF THE UTILITY MODEL
To the not enough that prior art exists, one of the purposes of the utility model is to provide a high transparent heat-insulating type EVA intermediate coat for building glass has good light transmissivity, thermal-insulated and syllable-dividing effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the high-transparency heat-insulation EVA intermediate film for building glass comprises two layers of relatively arranged EVA adhesive films, wherein the positions, close to the periphery, of opposite surfaces of the EVA adhesive films are provided with a plurality of first edge sealing strips respectively, the first edge sealing strips are provided with a containing groove, a nanometer heat insulation layer is arranged in the containing groove, and a sound insulation layer is arranged between every two adjacent nanometer heat insulation layers.
Through adopting above-mentioned technical scheme, the storage tank that a plurality of banding strips one formed is favorable to reducing the excessive problem of gluing of nanometer insulating layer between two EVA glued membranes of arranging in the hot pressing bonding in-process, presss from both sides the nanometer insulating layer of establishing and evenly spreads the flat in the storage tank after the hot pressing, when reaching the thermal-insulated effect of needs, reduces the reduction to the light transmissivity of a pair of EVA glued membrane bonding back, adds simultaneously between the nanometer insulating layer and establishes the puigging, further improves the syllable-dividing effect between two EVA glued membranes.
The present invention may be further configured in a preferred embodiment as: the puigging includes a pair of relative tie coat that sets up, and is a pair of the periphery of tie coat opposite face is provided with a plurality of banding strips two, and is a plurality of banding strip two is formed with the cavity.
Through adopting above-mentioned technical scheme, when a pair of tie coat was bonded relatively, a plurality of banding strips on a pair of tie coat opposite face two bonded backs separated the cavity between a pair of tie coat, are favorable to absorbing external noise in order to play good syllable-dividing effect.
The present invention may be further configured in a preferred embodiment as: and a first embedded groove for embedding the first edge sealing strip is formed in the position, close to the periphery, of the opposite surface of the two layers of EVA adhesive films.
Through adopting above-mentioned technical scheme, arrange in caulking groove back with banding strip one, at two-layer EVA hot pressing in-process, be favorable to reducing banding strip one and receive the pressure to shift and cause the problem of unable good banding, improve banding strip one set up stability.
The present invention may be further configured in a preferred embodiment as: and a second embedded groove for embedding the second edge sealing strip is formed in the position, close to the periphery, of the opposite surface of the bonding layer.
Through adopting above-mentioned technical scheme, with banding strip two and arrange in caulking groove two back, at bonding layer hot pressing atress in-process, caulking groove two is favorable to restricting banding strip two and shifts, improves banding strip two set up stability.
The present invention may be further configured in a preferred embodiment as: the pair of bonding layers are positioned in the cavity and are internally provided with a plurality of supporting column points, and two ends of each supporting column point are respectively connected with the opposite surfaces of the pair of bonding layers.
Through adopting above-mentioned technical scheme, at a pair of tie coat hot pressing in-process, a plurality of support post points are favorable to supporting the cavity that a pair of tie coat formed, the fashioned stability of cavity after the hot pressing.
The present invention may be further configured in a preferred embodiment as: the nanometer heat insulation layer is a ceramic nanometer tungsten oxide layer.
Through adopting above-mentioned technical scheme, can effective separation ultraviolet ray and infrared ray when ceramic nanometer tungsten oxide has good light transmissivity, be favorable to satisfying the printing opacity demand of nanometer insulating layer, provide good thermal-insulated effect, nanometer tungsten oxide chemical composition is stable, and the physical property that causes external environment such as heat, humidity changes for a short time, and leveling performance is good, adhesive force is strong, is fit for using under the illumination for a long time.
The present invention may be further configured in a preferred embodiment as: the bonding layer is a TEP bonding layer or a liquid optical transparent adhesive layer.
Through adopting above-mentioned technical scheme, the TEP tie coat has good bonding effect, and the TEP material has good flame retardant efficiency simultaneously, provides certain flame retardant efficiency when being favorable to satisfying the bonding needs.
The present invention may be further configured in a preferred embodiment as: and release paper layers are attached to the opposite side surfaces of the EVA adhesive film.
Through adopting above-mentioned technical scheme, be favorable to improving the protection to the EVA glued membrane before using from type paper layer, when needing to use the EVA glued membrane, tear and to expose the EVA glued membrane face from type paper layer, reduce impurity such as dust and adhere to the EVA glued membrane on.
The present invention may be further configured in a preferred embodiment as: and the periphery of the EVA adhesive film is wrapped with a polyurethane resin layer.
Through adopting above-mentioned technical scheme, EVA glued membrane itself has certain adsorptivity, through establishing the polyurethane resin layer in the periphery of EVA glued membrane, be favorable to reducing impurity such as dust and adhere on the EVA glued membrane, improves the protection to the EVA glued membrane, and polyurethane resin material possesses excellent rubber characteristic simultaneously, can adapt to the bonding of different thermal expansion coefficient substrates, and it forms between the substrate and has soft-hard transition layer, and not only the adhesion is strong, still has excellent buffering, shock-absorbing function.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the accommodating groove is beneficial to reducing the problem of glue overflow of a nano heat insulation layer arranged between two EVA adhesive films in the hot-pressing bonding process, the nano heat insulation layer is uniformly flattened in the accommodating groove after hot pressing, the required heat insulation effect is achieved, the reduction of light transmittance after bonding of a pair of EVA adhesive films is reduced, and meanwhile, a sound insulation layer is additionally arranged between the nano heat insulation layers, so that the sound insulation effect between the two EVA adhesive films is further improved;
2. the sealing strips on the opposite surfaces of the bonding layers are bonded to form a cavity, so that external noise can be absorbed to achieve a good sound insulation effect;
3. in two-layer EVA hot pressing process, caulking groove one is favorable to reducing the problem that an edge banding shifted and caused unable good banding, improves the stability that sets up of edge banding one.
Drawings
Fig. 1 is a schematic structural diagram of the entire EVA intermediate film in this embodiment.
Fig. 2 is a schematic structural diagram for showing the cavities and the support posts in this embodiment.
In the figure, 1, an EVA adhesive film; 11. a first caulking groove; 2. a containing groove; 21. a first edge banding; 3. a ceramic nano tungsten oxide layer; 4. a sound insulating layer; 41. a bonding layer; 411. a second caulking groove; 5. a cavity; 51. a second edge banding; 52. supporting the column points; 6. a release paper layer; 7. a polyurethane resin layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the present invention discloses a high transparent heat insulation type EVA intermediate film for building glass, comprising two layers of EVA film 1 arranged oppositely, the positions of the opposite surfaces of the two layers of EVA film 1 near the four sides are all provided with a first edge banding 21, the first edge banding 21 preferably adopts polyurethane resin material, the first edge banding 21 of the four sides on the EVA film 1 is integrally formed and is formed with a containing groove 2, a nanometer heat insulation layer is arranged in the containing groove 2, the nanometer heat insulation layer is preferably set as a ceramic nanometer tungsten oxide layer 3, the ceramic nanometer tungsten oxide layer 3 is formed by mixing nanometer tungsten oxide liquid, titanium dioxide and other materials, which not only has good light transmission, but also can effectively separate ultraviolet ray and infrared ray, is favorable for meeting the light transmission requirement of the nanometer heat insulation layer, provides good heat insulation effect, the chemical composition of the nanometer tungsten oxide is stable, the physical change caused by external environments such as heat, the leveling property is good, the adhesive force is strong, and the paint is suitable for long-time use under illumination; a sound insulation layer 4 is arranged between the two ceramic nano tungsten oxide layers 3; the storage tank 2 that a plurality of banding strips 21 formed is favorable to reducing the excessive problem of gluing of nanometer insulating layer between two EVA glued membranes 1 in arranging in the hot pressing bonding process, and the nanometer insulating layer of pressing from both sides and establishing evenly spreads the paper-back in storage tank 2 after the hot pressing, when reaching the thermal-insulated effect of needs, reduces the reduction to the light transmissivity of a pair of EVA glued membrane 1 bonding back, adds simultaneously between the nanometer insulating layer and establishes puigging 4, further improves the syllable-dividing effect between two EVA glued membranes 1.
Referring to fig. 1, the sound insulation layer 4 includes a pair of bonding layers 41 arranged oppositely, the bonding layer 41 is preferably set as a TEP bonding layer or a liquid optical transparent adhesive layer, the TEP material is a transparent liquid material mixed by triethyl phosphate and other components, the mixed and condensed TEP bonding material has a good bonding effect, and the TEP material has a good flame retardant effect, so that a certain flame retardant effect is provided while the bonding requirement is satisfied; the liquid optical transparent adhesive layer is a liquid optical adhesive LOCA material and has the properties of high adhesion, water resistance, high temperature resistance, ultraviolet resistance and the like; the positions, close to the four sides, of the opposite surfaces of the pair of bonding layers 41 are respectively provided with a second edge sealing strip 51, the second edge sealing strips 51 are preferably made of polyurethane resin materials, and the second edge sealing strips 51 on the four sides are integrally formed to form a cavity 5; when the pair of adhesive layers 41 are bonded to each other, the integrally formed edge banding 51 on the opposite surfaces of the pair of adhesive layers 41 is bonded to separate the cavity 5 between the pair of adhesive layers 41, which is beneficial to absorbing external noise and achieving a good sound insulation effect.
Referring to fig. 1, a first caulking groove 11 for embedding a first edge banding 21 is formed in the position, close to the periphery, of the opposite surfaces of the two layers of EVA adhesive films 1, and a second caulking groove 411 for embedding a second edge banding 51 is formed in the position, close to the periphery, of the opposite surfaces of the pair of adhesive layers 41; after the banding strip 21 is arranged in caulking groove 11, at two-layer EVA hot pressing in-process, be favorable to reducing banding strip 21 pressurized and shift and cause the problem of unable good banding, improve the stability that sets up of banding strip 21, two 51 of banding strips and arrange in two 411 backs of caulking groove, in the stress in-process of 41 hot pressing of tie coat, two 411 of caulking grooves are favorable to two 51 of restriction banding strips to shift, improve two 51 of banding strips set up stability.
Referring to fig. 1 and 2, a plurality of support post points 52 are uniformly arranged on the surface of the bonding layer 41 in the cavity 5, the support post points 52 are preferably made of PC material, and two ends of the support post points 52 are respectively connected with the opposite surfaces of a pair of bonding layers 41; in the process of hot-pressing the pair of bonding layers 41, the plurality of uniformly arranged support column points 52 are beneficial to supporting the cavity 5 formed by the pair of bonding layers 41, and the cavity 5 is formed stably after hot-pressing.
Referring to fig. 1, release paper layers 6 are respectively adhered to opposite side surfaces of two EVA adhesive films 1; from type paper layer 6 and be favorable to improving the protection to EVA glued membrane 1 before using, when needing to use EVA glued membrane 1, tear and to expose 1 face of EVA glued membrane from type paper layer 6, reduce impurity such as dust and adhere to EVA glued membrane 1 on.
Referring to fig. 1, the periphery of the EVA adhesive film 1 is covered with a polyurethane resin layer 7; EVA glued membrane 1 itself has certain adsorptivity, through establishing polyurethane resin layer 7 package in EVA glued membrane 1's periphery, is favorable to reducing impurity such as dust and adheres on EVA glued membrane 1, improves the protection to EVA glued membrane 1, and polyurethane resin material possesses excellent rubber characteristic simultaneously, can adapt to the bonding of different thermal expansion coefficient substrates, and it forms between the substrate has soft-hard transition layer, and not only the adhesion is strong, still has excellent buffering, shock-absorbing function.
The implementation principle of the embodiment is as follows: the opposite face of two-layer EVA glued membrane 1 is close to four sides position and offers caulking groove 11 respectively and puts into edge banding strip 21, integrated into one piece's edge banding strip 21 forms storage tank 2 and puts into ceramic nanometer tungsten oxide layer 3, then with the tie coat 41 adhesion of TEP material on ceramic nanometer tungsten oxide layer 3, and then keep away from ceramic nanometer tungsten oxide layer 3's side at tie coat 41 and offer caulking groove two 411 and put into edge banding strip two 51, integrated into one piece's edge banding strip two 51 forms cavity 5, evenly set up a plurality of support post points 52 in cavity 5 in order to strengthen cavity 5 shaping effect, through edge banding strip 21 shutoff ceramic nanometer tungsten oxide layer 3 glue overflow phenomenon, the cavity 5 of two-phase pair integrated into one piece's edge banding strip two 51 formation is in order to provide syllable-dividing effect, overall structure constitutes and provides necessary thermal-insulated, syllable-dividing effect when keeping good light transmissivity.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The EVA intermediate film for the high-transparency heat-insulation building glass is characterized in that: EVA glued membrane (1) including two-layer relative setting, two-layer EVA glued membrane (1) opposite face is close to peripheral position and is provided with a plurality of edge banding strips (21) respectively, and is a plurality of edge banding strip (21) are formed with storage tank (2), be provided with the nanometer insulating layer in storage tank (2), adjacent two-layer be provided with puigging (4) between the nanometer insulating layer.
2. The EVA interlayer film for high-transparency heat-insulation building glass according to claim 1, wherein: the sound insulation layer (4) comprises a pair of oppositely arranged bonding layers (41), a plurality of second edge sealing strips (51) are arranged on the periphery of the opposite surfaces of the bonding layers (41), and a cavity (5) is formed in the second edge sealing strips (51).
3. The EVA interlayer film for high-transparency heat-insulation building glass according to claim 1, wherein: and a first caulking groove (11) for embedding the first edge sealing strip (21) is formed in the position, close to the periphery, of the opposite surface of the two layers of EVA adhesive films (1).
4. The EVA interlayer film for high-transparency heat-insulation building glass according to claim 2, wherein: and a second embedded groove (411) for embedding the second edge sealing strip (51) is formed in the position, close to the periphery, of the opposite surfaces of the pair of adhesive layers (41).
5. The EVA interlayer film for high-transparency heat-insulation building glass according to claim 2, wherein: the pair of bonding layers (41) are positioned in the cavity (5) and are internally provided with a plurality of supporting column points (52), and two ends of each supporting column point (52) are respectively connected with the opposite surfaces of the pair of bonding layers (41).
6. The EVA interlayer film for high-transparency heat-insulation building glass according to claim 1, wherein: the nanometer heat insulation layer is a ceramic nanometer tungsten oxide layer (3).
7. The EVA interlayer film for high-transparency heat-insulation building glass according to claim 5, wherein: the bonding layer (41) is a TEP bonding layer or a liquid optical transparent adhesive layer.
8. The EVA interlayer film for high-transparency heat-insulation building glass according to claim 1, wherein: and release paper layers (6) are pasted on the opposite side surfaces of the two EVA adhesive films (1).
9. The EVA interlayer film for highly transparent heat insulation building glass according to any one of claims 1 to 8, wherein: the periphery of the EVA adhesive film (1) is wrapped with a polyurethane resin layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394063.0U CN211994526U (en) | 2020-03-24 | 2020-03-24 | EVA (ethylene-vinyl acetate) intermediate film for high-transparency heat-insulation building glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394063.0U CN211994526U (en) | 2020-03-24 | 2020-03-24 | EVA (ethylene-vinyl acetate) intermediate film for high-transparency heat-insulation building glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211994526U true CN211994526U (en) | 2020-11-24 |
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ID=73431300
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020394063.0U Expired - Fee Related CN211994526U (en) | 2020-03-24 | 2020-03-24 | EVA (ethylene-vinyl acetate) intermediate film for high-transparency heat-insulation building glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211994526U (en) |
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2020
- 2020-03-24 CN CN202020394063.0U patent/CN211994526U/en not_active Expired - Fee Related
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