CN212246857U - EVA (ethylene-vinyl acetate) intermediate film with high light transmission and high ultraviolet blocking rate for outdoor laminated glass - Google Patents
EVA (ethylene-vinyl acetate) intermediate film with high light transmission and high ultraviolet blocking rate for outdoor laminated glass Download PDFInfo
- Publication number
- CN212246857U CN212246857U CN202020394023.6U CN202020394023U CN212246857U CN 212246857 U CN212246857 U CN 212246857U CN 202020394023 U CN202020394023 U CN 202020394023U CN 212246857 U CN212246857 U CN 212246857U
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- ultraviolet
- film layer
- transparent
- eva
- laminated glass
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- 239000005340 laminated glass Substances 0.000 title claims abstract description 24
- 230000000903 blocking effect Effects 0.000 title claims description 17
- 230000005540 biological transmission Effects 0.000 title claims description 9
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 title description 44
- 239000005038 ethylene vinyl acetate Substances 0.000 title description 44
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title description 44
- 229920002799 BoPET Polymers 0.000 claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 21
- 239000002313 adhesive film Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 113
- 238000009413 insulation Methods 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 19
- 239000003292 glue Substances 0.000 claims description 16
- 239000003822 epoxy resin Substances 0.000 claims description 15
- 229920000647 polyepoxide Polymers 0.000 claims description 15
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 15
- 239000011247 coating layer Substances 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000012720 thermal barrier coating Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 230000009467 reduction Effects 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 5
- 239000012780 transparent material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
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- Laminated Bodies (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The utility model relates to an outdoor laminated glass is with EVA intermediate film of high printing opacity high ultraviolet separation rate, its technical scheme's main points are: the ultraviolet-proof PET film comprises an upper film layer and a lower film layer which are made of EVA adhesive films, wherein the upper film layer and the lower film layer are mutually bonded through a transparent ultraviolet-proof PET film layer. The utility model discloses the technical effect who has is: the ultraviolet-blocking glass has good ultraviolet-blocking effect, improves the ultraviolet-blocking rate of outdoor laminated glass, and reduces the influence of ultraviolet rays on indoor workers.
Description
Technical Field
The utility model belongs to the technical field of laminated glass's technique and specifically relates to an outdoor laminated glass is with EVA intermediate coat of high printing opacity high ultraviolet separation rate.
Background
EVA is a thermosetting adhesive film used for being placed between laminated glass, and is more and more widely used in current components and various optical products due to its superiority in adhesion, durability, optical characteristics, etc.
Publication No. CN205564778U discloses a zero-shrinkage EVA (ethylene vinyl acetate) adhesive film for a photovoltaic module; the EVA film is characterized in that a biaxially oriented polyester film layer is arranged between the EVA film layer and the non-woven fabric layer, the EVA film layer, the biaxially oriented polyester film layer and the non-woven fabric layer are bonded through adhesive CMC, the non-woven fabric layer is melt-blown non-woven fabric or hot air non-woven fabric, and the surface of one surface, not in contact with the non-woven fabric, of the EVA film layer is provided with embossing patterns.
The above prior art solutions have the following drawbacks: the EVA adhesive film is of a single-layer structure and has poor ultraviolet blocking effect; when the ultraviolet-absorbing glass is applied to outdoor laminated glass, excessive ultraviolet rays can penetrate through the laminated glass and enter the room, and the physical health of indoor personnel is further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an outdoor laminated glass is with EVA intermediate film of high printing opacity high ultraviolet separation rate, its advantage: the ultraviolet-blocking glass has good ultraviolet-blocking effect, improves the ultraviolet-blocking rate of outdoor laminated glass, and reduces the influence of ultraviolet rays on indoor workers.
The above technical purpose of the present invention can be achieved by the following technical solutions: the EVA middle film comprises an upper film layer and a lower film layer which are made of EVA adhesive films, wherein the upper film layer and the lower film layer are mutually bonded through transparent anti-ultraviolet PET film layers.
Through the technical scheme, the EVA intermediate film has a double-layer EVA adhesive film structure due to the arrangement that the upper film layer and the lower film layer are mutually overlapped and bonded; meanwhile, the transparent anti-ultraviolet PET film layer adhered between the upper film layer and the lower film layer is made of transparent materials and has better anti-ultraviolet performance; therefore, the EVA intermediate film has a high ultraviolet blocking effect, the ultraviolet blocking rate of outdoor laminated glass is improved, and the influence of ultraviolet on indoor workers is reduced.
The utility model discloses further set up to: and a transparent glass heat insulation coating layer is arranged on the end face, facing the upper film layer, of the transparent ultraviolet-proof PET film layer.
Through the technical scheme, the transparent glass heat insulation coating layer is made of the transparent material and has the characteristic of high ultraviolet isolation rate, so that the ultraviolet isolation rate of the EVA intermediate film is further enhanced.
The utility model discloses further set up to: still be equipped with between transparent anti ultraviolet PET thin layer and the last rete and inhale the sound rete, clear glass thermal barrier coating layer is located and inhales between sound rete and the transparent anti ultraviolet PET thin layer.
Through above-mentioned technical scheme, inhale the sound rete and make and have good sound effect of inhaling by colorless transparent sound absorbing material, strengthened the noise reduction performance of EVA intermediate coat to indoor environmental quality has been promoted.
The utility model discloses further set up to: go up the rete and set up on the terminal surface towards transparent anti ultraviolet PET thin layer with inhale sound rete assorted first constant head tank, inhale the sound rete and wholly be located first constant head tank.
Through above-mentioned technical scheme, inhale the setting of sound rete joint in first constant head tank and reduced the thickness of going up the rete and inhaling the sound rete and bonding each other after to reduce the whole thickness of EVA intermediate film, promoted the whole transmittance of EVA intermediate film.
The utility model discloses further set up to: the bottom in first constant head tank is equipped with a plurality of arc archs, inhale evenly set up a plurality ofly on the sound rete keeps away from the terminal surface on transparent anti ultraviolet PET thin layer with protruding assorted arc recess, it is a plurality of the arch corresponds the joint respectively in a plurality of recesses.
Through above-mentioned technical scheme, the setting of the mutual joint of a plurality of archs and recess has increased the bonding area who inhales between sound rete and the last rete to further strengthened the joint strength who inhales between sound rete and the last rete, promoted EVA intermediate coat overall structure's fastness.
The utility model discloses further set up to: and a second positioning groove is formed in the end face, facing the transparent ultraviolet-proof PET film layer, of the lower film layer, and a high-transparent heat-insulation film layer matched with the second positioning groove is connected in the second positioning groove in a clamping manner.
Through the technical scheme, the high-transparency heat insulation film layer is made of the transparent material and has a good heat insulation effect, the overall heat insulation performance of the EVA intermediate film is improved, and the possibility that the heat insulation effect of outdoor sandwich glass is poor to influence the indoor heat insulation effect is reduced.
The utility model discloses further set up to: the high-transparency heat-insulation and heat-preservation film layer and the transparent ultraviolet-proof PET film layer are bonded with each other through epoxy resin optical cement.
Through above-mentioned technical scheme, the joint strength between high transparent thermal-insulated heat preservation film layer and the transparent anti ultraviolet PET thin layer has further been strengthened in setting up of epoxy optical cement for high transparent thermal-insulated heat preservation film layer is difficult to the skew of transparent anti ultraviolet PET thin layer slip under the effect of external force, thereby has further strengthened the overall structure fastness of EVA intermediate coat.
The utility model discloses further set up to: the end face, facing the lower film layer, of the transparent ultraviolet-proof PET film layer is provided with a plurality of glue injection holes, and the epoxy resin optical cement is filled in the glue injection holes respectively.
Through above-mentioned technical scheme, can solidify the back at the downthehole epoxy resin optical cement of injecting glue and can form the transparent post of gluing integrative with the epoxy resin optical cement in the injecting glue hole to promote the shear resistance performance between transparent anti ultraviolet PET thin layer and the epoxy resin optical cement, further strengthened the bonding firmness between transparent anti ultraviolet PET thin layer and the epoxy resin optical cement.
To sum up, the utility model discloses a beneficial technological effect does:
1. the arrangement of the transparent glass heat-insulating coating layer and the transparent ultraviolet-proof PET film layer enables the EVA intermediate film to have a high ultraviolet-proof effect, improves the ultraviolet-proof rate of outdoor laminated glass, and reduces the influence of ultraviolet rays on indoor workers;
2. the arrangement of the sound absorption film layer strengthens the noise reduction performance of the EVA intermediate film, so that the indoor environment quality is improved;
3. the EVA intermediate film has good heat preservation performance due to the arrangement of the high-transparency heat-insulation film layer.
Drawings
Fig. 1 is a schematic sectional view of the entire structure of the present embodiment.
Reference numerals: 1. coating a film layer; 2. a lower film layer; 3. a transparent anti-ultraviolet PET film layer; 4. a transparent glass heat insulation coating layer; 5. a sound absorbing film layer; 6. a first positioning groove; 7. a protrusion; 8. a groove; 9. a second positioning groove; 10. a highly transparent heat insulation film layer; 11. epoxy resin optical cement; 12. and (6) injecting glue holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): the utility model provides an outdoor laminated glass is with EVA intermediate film of high printing opacity high ultraviolet separation rate, as shown in figure 1, contain and make by the EVA glued membrane and the width is unanimous go up rete 1 and lower rete 2, go up and bond between rete 1 and the lower rete 2 have width and go up the 1 unanimous transparent anti ultraviolet PET thin layer 3 of rete, transparent anti ultraviolet PET thin layer 3 is drawn the membrane by the ultraviolet function master batch of environmental protection and is formed, self is transparent material and has outstanding anti ultraviolet function. Therefore, the EVA middle film has an anti-ultraviolet structure with three layers of an upper film layer 1, a lower film layer 2 and a transparent anti-ultraviolet PET film layer 3, has a higher ultraviolet blocking effect compared with a single-layer EVA adhesive film, and improves the ultraviolet blocking rate of outdoor laminated glass, thereby reducing the influence of ultraviolet rays on indoor workers.
As shown in fig. 1, a transparent glass heat insulation coating layer 4 is coated on the end face of the transparent ultraviolet-proof PET film layer 3 departing from the lower film layer 2, and the upper film layer 1 is adhered to the transparent glass heat insulation coating layer 4 by the self-viscosity; the transparent glass heat insulation coating layer 4 is a functional building coating used on glass, does not affect the optical performance of the glass, and has the characteristics of high light transmittance, high heat insulation, high ultraviolet isolation rate and the like. Therefore, the arrangement of the transparent glass heat insulation coating layer 4 improves the heat insulation performance of the EVA intermediate film and further enhances the ultraviolet blocking effect of the EVA intermediate film.
As shown in fig. 1, a first positioning groove 6 is formed in the end surface of the upper film layer 1 facing the transparent ultraviolet-proof PET film layer 3 along the length direction, a sound-absorbing film layer 5 matched with the first positioning groove 6 is bonded in the first positioning groove 6, and the end surface of the sound-absorbing film layer 5 facing the transparent glass heat-insulating coating layer 4 is aligned with the upper film layer 1 and bonded on the transparent glass heat-insulating coating layer 4; the sound absorption film layer 5 is a colorless transparent sound absorption material, the main component of the sound absorption film layer is polyurethane-NPBO, the sound absorption film layer has the characteristics of large specific surface area and large elasticity, a large number of tiny communicated pores are formed in the material, when sound waves penetrate into the material along the pores, a series of damping, reflection and friction actions can be generated between the sound waves and the material, the sound energy is converted into heat energy to be consumed, and therefore the effect of sound absorption is achieved. Therefore, the sound absorption film layer 5 is arranged, so that outdoor noise is difficult to penetrate through the EVA intermediate film and enter the room, and the noise reduction effect of the EVA intermediate film is enhanced; simultaneously, inhale the whole setting of gluing in first constant head tank 6 of sound rete 5 and compare in inhaling sound rete 5 and last rete 1 mutual superimposed setting thickness less to reduce the influence of thickness to EVA intermediate coat transmittance, promoted the whole transmittance of EVA intermediate coat.
As shown in fig. 1, the bottom of the first positioning groove 6 is uniformly and fixedly provided with a plurality of arc-shaped protrusions 7 integrally formed with the upper film layer 1, and the sound-absorbing film layer 5 is correspondingly provided with a plurality of arc-shaped grooves 8 mutually matched with the protrusions 7 and the protrusions 7 are correspondingly and respectively clamped in the grooves 8. Consequently, the bonding strength between last rete 1 and the sound membrane layer 5 has further been strengthened in recess 8 and the setting of protruding 7 mutually supporting, has reduced sound membrane layer 5 and has slided the possibility that influences EVA intermediate coat noise reduction effect for last rete 1 under the effect of external force.
As shown in fig. 1, a second positioning groove 9 with the size consistent with that of the first positioning groove 6 is formed in the end face, facing the transparent ultraviolet-proof PET film layer 3, of the lower film layer 2, a high-transparent heat-insulation film layer 10 matched with the second positioning groove 9 is bonded in the second positioning groove 9, and the end face, facing the transparent ultraviolet-proof PET film layer 3, of the high-transparent heat-insulation film layer 10 is flush with the lower film layer 2; the high-transparency heat insulation film layer 10 has the heat insulation effect, so that the EVA intermediate film has good heat insulation performance.
As shown in fig. 1, the end face of the transparent anti-ultraviolet PET film layer 3 departing from the transparent glass heat-insulating coating layer 4 is coated with an epoxy resin optical adhesive 11, the epoxy resin optical adhesive 11 is a colorless transparent adhesive, and the lower film layer 2 and the highly transparent heat-insulating film layer 10 are bonded on the transparent anti-ultraviolet PET film layer 3 through the epoxy resin optical adhesive 11. Therefore, the arrangement of the epoxy resin optical cement 11 strengthens the bonding sealing performance between the high-transparent heat-insulation film layer 10 and the transparent ultraviolet-proof PET film layer 3, and reduces the possibility that bubbles appear between the high-transparent heat-insulation film layer 10 and the transparent ultraviolet-proof PET film layer 3, thereby influencing the light transmittance of the EVA intermediate film.
As shown in fig. 1, a plurality of glue injection holes 12 are formed in the end surface of the transparent ultraviolet-proof PET film layer 3 facing the highly transparent heat-insulating film layer 10, and epoxy resin optical glue 11 is filled into the glue injection holes 12. Therefore, the epoxy resin optical cement 11 can form the glue columns with the same shapes as the glue injection holes 12 at the glue injection holes 12 after being cured, the glue columns are inserted into the glue injection holes 12 to fix and limit the transparent anti-ultraviolet PET film layer 3, and the bonding strength between the high-transparency heat insulation film layer 10 and the transparent anti-ultraviolet PET film layer 3 is further enhanced.
The implementation principle of the embodiment is as follows: a sound absorption film layer 5, a transparent ultraviolet-proof PET film layer 3, a transparent glass heat insulation coating layer 4 and a high transparent heat insulation film layer 10 which are made of transparent materials are respectively bonded between the upper film layer 1 and the lower film layer 2; the interlayers ensure the self transmittance of the EVA intermediate film and simultaneously improve the ultraviolet blocking rate, noise reduction and heat insulation performance of the EVA intermediate film, thereby improving the ultraviolet blocking rate, noise reduction and heat insulation performance of the outdoor laminated glass.
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 (8)
1. The utility model provides an outdoor laminated glass is with EVA intermediate film of high printing opacity high ultraviolet separation rate which characterized in that: the ultraviolet-proof PET film comprises an upper film layer (1) and a lower film layer (2) which are made of EVA adhesive films, wherein the upper film layer (1) and the lower film layer (2) are mutually bonded through a transparent ultraviolet-proof PET film layer (3).
2. The EVA intermediate film with high light transmission and high ultraviolet blocking rate for the outdoor laminated glass according to claim 1, wherein: and a transparent glass heat insulation coating layer (4) is arranged on the end face, facing the upper film layer (1), of the transparent anti-ultraviolet PET film layer (3).
3. The EVA intermediate film with high light transmission and high ultraviolet blocking rate for the outdoor laminated glass according to claim 2, wherein: transparent anti ultraviolet PET thin layer (3) and last rete (1) between still be equipped with sound absorption rete (5), clear glass thermal barrier coating layer (4) are located and inhale between sound rete (5) and transparent anti ultraviolet PET thin layer (3).
4. The EVA intermediate film with high light transmission and high ultraviolet blocking rate for the outdoor laminated glass according to claim 3, wherein: go up rete (1) and offer on the terminal surface towards transparent anti ultraviolet PET thin layer (3) with inhale sound rete (5) assorted first constant head tank (6), inhale sound rete (5) whole and be located first constant head tank (6).
5. The EVA intermediate film with high light transmission and high ultraviolet blocking rate for the outdoor laminated glass according to claim 4, wherein: the bottom of first constant head tank (6) is equipped with a plurality of arc archs (7), inhale sound rete (5) and evenly seted up a plurality of and protruding (7) assorted arc recess (8) on keeping away from the terminal surface of transparent anti ultraviolet PET thin layer (3), it is a plurality of protruding (7) correspond the joint respectively in a plurality of recesses (8).
6. The EVA intermediate film with high light transmission and high ultraviolet blocking rate for the outdoor laminated glass according to claim 1, wherein: lower rete (2) have seted up second constant head tank (9) on the terminal surface towards transparent anti ultraviolet PET thin layer (3), the joint has high transparent thermal-insulated heat preservation thin layer (10) with second constant head tank (9) assorted in second constant head tank (9).
7. The EVA interlayer film with high light transmission and high ultraviolet blocking rate for the outdoor laminated glass according to claim 6, wherein: the high-transparency heat-insulation and heat-preservation film layer (10) and the transparent ultraviolet-proof PET film layer (3) are mutually bonded through epoxy resin optical cement (11).
8. The EVA interlayer film with high light transmission and high ultraviolet blocking rate for the outdoor laminated glass according to claim 7, wherein: a plurality of glue injection holes (12) are formed in the end face, facing the lower film layer (2), of the transparent ultraviolet-proof PET film layer (3), and the epoxy resin optical glue (11) is filled in the glue injection holes (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394023.6U CN212246857U (en) | 2020-03-24 | 2020-03-24 | EVA (ethylene-vinyl acetate) intermediate film with high light transmission and high ultraviolet blocking rate for outdoor laminated glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394023.6U CN212246857U (en) | 2020-03-24 | 2020-03-24 | EVA (ethylene-vinyl acetate) intermediate film with high light transmission and high ultraviolet blocking rate for outdoor laminated glass |
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| Publication Number | Publication Date |
|---|---|
| CN212246857U true CN212246857U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020394023.6U Expired - Fee Related CN212246857U (en) | 2020-03-24 | 2020-03-24 | EVA (ethylene-vinyl acetate) intermediate film with high light transmission and high ultraviolet blocking rate for outdoor laminated glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212246857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284715A (en) * | 2022-07-15 | 2022-11-04 | 惠州市加韵新材料有限公司 | Full-lamination OCA optical cement |
| CN115404018A (en) * | 2022-08-15 | 2022-11-29 | 惠州市加韵新材料有限公司 | AG anti-dizziness OCA optical cement |
-
2020
- 2020-03-24 CN CN202020394023.6U patent/CN212246857U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284715A (en) * | 2022-07-15 | 2022-11-04 | 惠州市加韵新材料有限公司 | Full-lamination OCA optical cement |
| CN115404018A (en) * | 2022-08-15 | 2022-11-29 | 惠州市加韵新材料有限公司 | AG anti-dizziness OCA optical cement |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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