CN212046285U - EVA film product - Google Patents
EVA film product Download PDFInfo
- Publication number
- CN212046285U CN212046285U CN202020527033.2U CN202020527033U CN212046285U CN 212046285 U CN212046285 U CN 212046285U CN 202020527033 U CN202020527033 U CN 202020527033U CN 212046285 U CN212046285 U CN 212046285U
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- Prior art keywords
- layer
- eva
- interior
- eva film
- substrate
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- 239000000758 substrate Substances 0.000 claims abstract description 39
- 239000012528 membrane Substances 0.000 claims abstract description 26
- 238000007639 printing Methods 0.000 claims abstract description 20
- 239000010410 layer Substances 0.000 claims description 77
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000741 silica gel Substances 0.000 claims description 20
- 229910002027 silica gel Inorganic materials 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 13
- 239000012790 adhesive layer Substances 0.000 claims description 7
- 238000005266 casting Methods 0.000 abstract description 9
- 239000005038 ethylene vinyl acetate Substances 0.000 description 49
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 49
- 238000004049 embossing Methods 0.000 description 12
- LLEMOWNGBBNAJR-UHFFFAOYSA-N biphenyl-2-ol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-N 0.000 description 10
- 238000003851 corona treatment Methods 0.000 description 10
- 239000003292 glue Substances 0.000 description 9
- 238000010030 laminating Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 7
- 235000010292 orthophenyl phenol Nutrition 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010345 tape casting Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- -1 Polyethylene terephthalate Polymers 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000037072 sun protection Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000012546 transfer Methods 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 provides a EVA membrane product, including EVA membrane substrate, rubberizing layer and binding layer, the rubberizing layer is connected EVA membrane substrate with the binding layer, EVA membrane substrate is including the casting layer, outer pressure line layer, interior pressure orifice layer and the interior corona layer of range upon range of setting in proper order, rubberizing layer spout print in interior corona layer is kept away from a side surface of pressure orifice layer, casting layer surface adopts printing ink to spout and is printed on the pattern. The EVA film product provided by the utility model can effectively protect the EVA film substrate from being scratched.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a EVA membrane technical field especially relates to an EVA membrane product.
[ background of the invention ]
The EVA (Ethylene-Vinyl Acetate copolymer) film is a novel environment-friendly degradable material, and has the characteristics of biodegradability, no harm to the environment when being discarded or combusted, no odor, no heavy metal, no phthalate, high transparency, softness, toughness, super-strong low temperature resistance (minus 70 ℃), water resistance, salt content and other substances, high heat transfer and the like.
In the related art, the surface of the EVA film is not sprayed and printed with silica gel and is not adhered with products made of other materials.
Therefore, there is a need to provide a new EVA film product to solve the above-mentioned drawbacks.
[ Utility model ] content
The utility model aims at overcoming and adorning above-mentioned technical problem, provide one kind and spout the EVA membrane product of seal silica gel and laminating other materials on EVA membrane surface.
In order to realize above-mentioned purpose, the utility model provides a EVA membrane product, including EVA membrane substrate, rubberizing layer and laminating layer, the rubberizing layer is connected EVA membrane substrate with the laminating layer, EVA membrane substrate is including the casting layer, the outer embossing layer, interior orifice layer and the interior corona layer of pressure that stack gradually the setting, the rubberizing layer spout print in interior corona layer is kept away from a side surface of interior orifice layer, the casting layer surface adopts printing ink to spout and is printed on the pattern.
Preferably, the bonding layer is made of an OPP material or a PET material.
Preferably, the upper glue layer is environment-friendly silica gel.
Preferably, the thickness of the supersize layer is 30-50 μm.
Compared with the prior art, the utility model provides an after carrying out corona treatment with EVA membrane substrate surface among the EVA membrane article, the UV digital jet printing silica gel to at the compound laminating layer in silica gel surface, increased the smoothness on EVA membrane substrate surface can effectively protect simultaneously EVA membrane substrate is not by the fish tail.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts, wherein;
fig. 1 is a schematic view of the layered structure of the EVA film product provided by the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention further provides an EVA film product 100, which includes an EVA film substrate 10, an upper adhesive layer 20 and a bonding layer 30, wherein the upper adhesive layer 20 connects the EVA film substrate 10 and the bonding layer 30.
Specifically, the EVA film substrate 10 is manufactured by a tape casting process, has good flexibility and fluidity, and has high flatness, small internal stress, less deformation when heated, and good uniformity in the transverse and longitudinal directions.
Further, the EVA film substrate 10 includes a casting layer 1, an outer embossing layer 2, an inner embossing layer 3, and an inner corona layer 4, which are sequentially stacked. The EVA film base material 10 can be provided with the lines on the outer embossing layer 2, so that the appearance looks more beautiful, the casting layer 1, the outer embossing layer 2, the inner embossing layer 3 and the inner corona layer 4 are directly formed in a compounding way, the processing speed is high, and the EVA film base material is suitable for mass production; the processing cost is low, a production process of a heat sealing film is omitted, and the using amount of the adhesive is very small; and the thickness between the layers can be arbitrarily set.
The surface of the casting layer 1 is provided with a jet printing pattern, and the jet printing pattern is formed by adopting UV digital jet printing ink.
Go up glue film 20 and adopt UV digital jet printing technology to spout seal in the surface of EVA membrane substrate 10, it is specific, go up glue film 20 and adopt UV digital jet printing technology to spout seal in interior corona layer 4 keeps away from the surface of one side of interior pore layer 3, preferably, go up glue film 20 and be environmental protection silica gel.
The UV digital jet printing process of the upper adhesive layer 20 specifically comprises the following steps: and carrying out corona treatment on the inner corona layer 4 to enlarge pores on the surface of the inner corona layer 4. After corona treatment, the adhesive force on 4 surfaces of interior corona layer increases interior corona layer 4 is kept away from one side surface UV of interior corona layer 3 is digital spouts seal environmental protection silica gel, can increase environmental protection silica gel's adhesive force, simultaneously environmental protection silica gel is a high active adsorption material, further can guarantee better adsorption effect. After the UV digital jet printing is completed, drying is performed under a first condition, in this embodiment, the first condition is: the temperature of the oven is 60-120 ℃, the conveying speed of the EVA film substrate in the oven is 100-200 m/min, the environment-friendly silica gel on the surface 10 of the EVA film substrate can be ensured to be uniformly sprayed and printed, and can be quickly dried, and in other embodiments, the first condition can be adjusted according to actual conditions. Further, the length of the oven is 50 meters, and preferably, the thickness of the glue coating layer 20 is 30-50 μm.
The environment-friendly silica gel is stable in chemical property, non-combustible, and good in temperature resistance, weather resistance, electric insulation, physiological inertia, low in surface tension and low in surface energy. The EVA base material 10 after being processed has corresponding performance, and the application range is enlarged.
The principle of corona treatment is as follows: corona discharge is carried out on the surface of the treated substrate by high-frequency high voltage (voltage 5000-. Preferably, the energy of the corona treatment is 38 to 58 dynes.
The laminating layer 30 set up in go up the glue film 20 and keep away from one side surface of interior corona layer 4, it is specific, laminating layer 30 is the dumb membrane of single-sided light, its through compound, design curing back with go up glue film 20 fixed connection. The setting and curing time is 48 hours, and the laminating layer is made of OPP (O-phenylphenol) or PET (Polyethylene terephthalate). The adhesive layer serves as an external protective layer, so that the smoothness of the EVA surface can be improved, and the EVA film substrate 10 can be effectively protected from being scratched.
The preparation process of the EVA film product 100 comprises the following steps:
s1: the EVA film substrate is formed by adopting a tape casting process and comprises a tape casting layer, an outer embossing layer, an inner embossing layer and an inner corona layer which are sequentially stacked.
The EVA film substrate is manufactured by adopting a casting process, has better flexibility and fluidity, higher flatness, small internal stress, difficult deformation under heating and good transverse and longitudinal uniformity.
The EVA film is characterized in that the EVA film substrate is provided with an outer embossing layer, an inner embossing layer and an inner corona layer, wherein the outer embossing layer can increase the embossing of the EVA film substrate, so that the EVA film substrate is more attractive in appearance; the processing cost is low, a production process of a heat sealing film is omitted, and the using amount of the adhesive is very small; and the thickness between the layers can be arbitrarily set.
S2: and carrying out corona treatment on the inner corona layer, and amplifying pores on the surface of the inner corona layer.
The principle of corona treatment is as follows: corona discharge (voltage 5000-2) Generating low temperature plasma to generate radical reaction on the surface of the substrate to generate cross-linking of the polymerIn addition, pores on the surface are enlarged, and plasma enters the substrate from the motor and permeates into the substrate to destroy the molecular structure of the substrate, so that the molecules on the surface of the treated substrate are oxidized and polarized, the roughness is increased, and the adhesion capacity of the surface is increased. Preferably, the energy of the corona treatment is 38 to 58 dynes.
S3: the inner corona layer is far away from the surface of one side of the inner pressure hole layer, and environment-friendly silica gel is sprayed and printed on the surface of one side of the inner pressure hole layer and dried under a first condition to form an upper glue layer.
After corona treatment, the adhesive force on interior corona layer surface increases interior corona layer is kept away from one side surface jet printing environmental protection silica gel of interior pore layer can increase the adhesive force of environmental protection silica gel, simultaneously environmental protection silica gel is a high active adsorption material, further can guarantee better adsorption effect. In the present embodiment, the first condition is: the temperature of the oven is 60-120 ℃, the conveying speed of the EVA film substrate in the oven is 100-200 m/min, the environment-friendly silica gel on the surface of the EVA film substrate can be ensured to be uniformly sprayed and printed, the EVA film substrate can be quickly dried, and in other embodiments, the first condition can be adjusted according to actual conditions. Further, the length of the oven is 50 meters, and preferably, the thickness of the upper glue layer is 30-50 μm.
The environment-friendly silica gel is stable in chemical property, non-combustible, good in temperature resistance, weather resistance, electric insulation, physiological inertia, low in surface tension and low in surface energy, so that the processed EVA base material has corresponding performance, and the application range is expanded.
S4: and compounding a single-sided matte film on the surface of one side of the upper adhesive layer, which is far away from the inner corona layer, and shaping and curing to form a binding layer.
The setting and curing time is 48 hours, and the laminating layer is made of OPP (O-phenylphenol) or PET (Polyethylene terephthalate). The adhesive layer is used as an external protective layer, so that the smoothness of the EVA surface can be improved, and the EVA film substrate can be effectively protected from being scratched.
S5: and carrying out dust-free roll separation, and spraying printing ink on the surface of the casting layer to form a spray printing pattern, thereby completing UV digital spray printing of the EVA film.
The jet printing is a principle of storing image-text information by an electronic computer, firstly, the image-text information is inputted into a UV digital ink-jet printer, then under the condition of a control device of the electronic computer, ink drops are jetted to the surface of a printed matter by a nozzle, and the image is presented on the surface of the printed matter according to the charge effect, so that the jet printing is suitable for printing of packaging color pictures, textiles and large-format billboards, is an ideal choice of full-color and high-precision printing, can be printed at one time no matter whether the pattern is a simple block-color pattern, a full-color pattern or a pattern with excessive colors, does not need plate making, plate burning and repeated color registering, has beautiful colors, vivid effect, waterproof image, sun protection, strong wear-resistant adhesive force, no color fading, simple and easy machine operation and.
Compared with the prior art, the utility model provides an after carrying out corona treatment with EVA membrane substrate surface among the EVA membrane article, the UV digital jet printing silica gel to at the compound laminating layer in silica gel surface, increased the smoothness on EVA membrane substrate surface can effectively protect simultaneously EVA membrane substrate is not by the fish tail.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (4)
1. The utility model provides a EVA membrane product, its characterized in that includes EVA membrane substrate, rubberizing layer and binding layer, the rubberizing layer is connected EVA membrane substrate with the binding layer, EVA membrane substrate is including the class epitaxial layer, outer corrugated layer, interior corrugated layer and the interior corona layer of range upon range of setting up in proper order, the rubberizing layer spout print in interior corona layer is kept away from a side surface of interior corrugated layer, the class layer surface adopts printing ink to spout and is printed on the pattern.
2. The EVA film product of claim 1, wherein the adhesive layer is an OPP material or a PET material.
3. The EVA film product of claim 1, wherein the size coat is environmentally friendly silica gel.
4. The EVA film article of claim 3 wherein the supersize layer has a thickness of 30-50 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527033.2U CN212046285U (en) | 2020-04-10 | 2020-04-10 | EVA film product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527033.2U CN212046285U (en) | 2020-04-10 | 2020-04-10 | EVA film product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212046285U true CN212046285U (en) | 2020-12-01 |
Family
ID=73524115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020527033.2U Expired - Fee Related CN212046285U (en) | 2020-04-10 | 2020-04-10 | EVA film product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212046285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331979A (en) * | 2020-04-10 | 2020-06-26 | 向晓伟 | UV digital jet printing process of EVA film and EVA film product |
-
2020
- 2020-04-10 CN CN202020527033.2U patent/CN212046285U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331979A (en) * | 2020-04-10 | 2020-06-26 | 向晓伟 | UV digital jet printing process of EVA film and EVA film product |
| CN111331979B (en) * | 2020-04-10 | 2024-07-16 | 向晓伟 | UV digital spray printing process of EVA film and EVA film product |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |