CN115157731A - Manufacturing method of touch screen film - Google Patents
Manufacturing method of touch screen film Download PDFInfo
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- CN115157731A CN115157731A CN202210804695.3A CN202210804695A CN115157731A CN 115157731 A CN115157731 A CN 115157731A CN 202210804695 A CN202210804695 A CN 202210804695A CN 115157731 A CN115157731 A CN 115157731A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims abstract description 36
- 229920002635 polyurethane Polymers 0.000 claims abstract description 32
- 239000004814 polyurethane Substances 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000013329 compounding Methods 0.000 claims abstract description 25
- 239000003292 glue Substances 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- 239000004332 silver Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 57
- 239000002184 metal Substances 0.000 claims description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000005406 washing Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 239000004698 Polyethylene Substances 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 238000007747 plating Methods 0.000 claims description 15
- -1 polyethylene Polymers 0.000 claims description 15
- 229920000573 polyethylene Polymers 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000008239 natural water Substances 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000008399 tap water Substances 0.000 claims description 6
- 235000020679 tap water Nutrition 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 238000007756 gravure coating Methods 0.000 claims 1
- 238000003475 lamination Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 58
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention belongs to the technical field of conductive film compounding, and relates to a manufacturing method of a touch screen film. The manufacturing method of the touch screen film comprises the following steps: coating: coating polyurethane on the base layer film on both sides by a coating machine, placing the base layer film on the coating machine in a coiled manner, and coating the polyurethane on the base layer film in a winding and unwinding manner; manufacturing a conductive layer: pasting the conducting layer on the base layer film obtained in the step (1) through polyurethane glue by a compound machine, pasting the conducting layer on two sides of the base layer film, pasting the conducting layer on the base layer film in a winding and unwinding mode, wherein the conducting layer is made of aluminum or copper or silver; compounding protective films: and (3) coating polyurethane glue on one surface of the protective film, compounding the protective film and the base film with the conducting layer manufactured in the step (2) through a compounding machine, and respectively attaching the two protective films to the base film with the conducting layer manufactured in the winding and unwinding modes.
Description
Technical Field
The invention belongs to the technical field of conductive film compounding, and relates to a manufacturing method of a touch screen film.
Background
The touch screen film is a thin film capable of sensing the touch of a human body, can be used for various touch screens such as screens of mobile phones, computers and the like, is relatively expensive in manufacturing cost at present, and cannot be manufactured into a large size, for example, a screen of a television larger than 60 inches is very expensive. On the other hand, the large-sized projection screen has no touch screen function and also has certain limitation. Moreover, the touch projector for the classroom is also a technical scheme of using a liquid crystal screen, and is not high in popularization.
Disclosure of Invention
Aiming at the problems and the defects existing in the prior art, the invention provides the method which is convenient to operate, low in cost and high in automation degree.
A manufacturing method of a touch screen film comprises the following steps:
(1) Coating: coating the polyurethane on the base layer film on both sides through a coating machine, placing the base layer film on the coating machine in a coiled manner, and coating the polyurethane on the base layer film in a coiling and uncoiling manner;
(2) Manufacturing a conductive layer: the conducting layer is made of aluminum or copper or silver, and the conducting layer is manufactured on the two sides of the base layer film processed in the step (1);
(3) Compounding protective films: and (3) coating polyurethane glue on one surface of the protective film, compounding the protective film and the base film with the conducting layer manufactured in the step (2) through a compounding machine, and respectively attaching the two protective films to the base film with the conducting layer manufactured in the winding and unwinding modes.
Further, the step (2) of manufacturing the conductive layer may be divided into the following steps:
(2.1) compounding metal layers: attaching the conductive metal layers to two surfaces of the base layer film by a compound machine, wherein the compound machine adopts a mesh wire rolling coating method;
(2.2) curing: the firmness between the metal layer and the base layer film is increased through the curing box, the temperature of the curing box is controlled to be 45-55 ℃, and the curing time is controlled to be 24-48 hours;
(2.3) front-to-back printing: printing the protective liquid above the metal layer in a positioning manner by using a printer, printing the protective liquid with certain lines, determining the printing lines on the front side and the back side according to requirements, and drying the base layer film printed with the protective liquid by using an oven;
(2.4) curing: the firmness between the protective solution and the metal layer is increased through a curing box, the temperature of the curing box is controlled to be 45-55 ℃, and the curing time is controlled to be 24-48 hours;
(2.5) washing off the excess metal layer: first pass through the aluminum washing machine with Na (OH) 2 Washing off excessive metal layer with alkaline water, and keeping the metal layer at the position printed with the protective solution, wherein the rest metal layers are covered with Na (OH) 2 Separating from the base layer film under the action of alkaline water, extruding the alkaline water by using an extrusion roller, washing with natural water by using natural water, and extruding the natural water by using the extrusion roller;
(2.6) drying: and drying the base layer film with the conductive lines by using an oven.
Further, the step (2) of manufacturing the conductive layer may be divided into the following steps:
(2.11) front-to-back printing: positioning and printing polyethylene water-based ink on two surfaces of the base layer film by a printer, wherein the polyethylene water-based ink has certain lines in the printing process, and the printing lines on the front side and the back side are determined according to requirements;
(2.22) plating a metal layer: plating the conductive metal layer on two surfaces of the base layer film printed with the polyethylene water-based ink by a winding type vacuum aluminum plating machine;
(2.33) curing: the firmness between the metal layer and the base layer film is increased through the curing box, the temperature of the curing box is controlled to be 45-55 ℃, and the curing time is controlled to be 24-48 hours;
(2.44) washing off the excess metal layer: washing the metal layer printed with the polyethylene water-based ink below the metal layer by using tap water through an aluminum washing machine, and extruding the tap water through an extrusion roller, wherein the temperature is controlled at 0-40 ℃;
(2.55) drying: and drying the base layer film with the conductive lines by using an oven.
Further, the step (1) adopts a dimple coating method, and the dosage of the polyurethane is controlled to be 1-2g/m 2 。
Further, the winding and unwinding speed in the step (1) is controlled to be 40-60m/min.
Furthermore, the temperature of the coating in the step (1) is controlled in a segmented manner, wherein the temperature of the first section is controlled to be 80-100 ℃, the temperature of the second section is controlled to be 100-130 ℃, and the temperature of the third section is controlled to be 70-90 ℃.
Further, the polyurethane glue in the step (3) adopts a mesh wire roll coating method, and the dosage of the polyurethane is controlled to be 2-4g/m 2 。
Further, the temperature of the protective film compounding in the step (3) is controlled in a segmented manner, wherein the temperature of the first section is controlled to be 80-100 ℃, the temperature of the second section is controlled to be 110-140 ℃, and the temperature of the third section is controlled to be 60-95 ℃.
Further, the amount of the polyurethane used in the step (2.1) is controlled to be 2 to 4g/m 2 The winding and unwinding speed is controlled at 40-60m/min.
Further, aluminum or copper or silver is adopted as the metal layer material in the step (2.1).
Further, the temperature of the metal layer in the step (2.1) is controlled in a composite way in a segmented way, wherein the temperature of the first segment is controlled to be 80-100 ℃, the temperature of the second segment is controlled to be 110-140 ℃, and the temperature of the third segment is controlled to be 60-95 ℃.
Further, the dosage of the protective solution in the step (2.3) is controlled to be 2-4g/m 2 The winding and unwinding speed is controlled at 25-35m/min, and the temperature of the oven is controlled at 60-75 ℃.
Further, in step (2.5), na (OH) 2 ：H 2 O =1, and the temperature is controlled between 45 ℃ and 60 ℃.
Further, the temperature of the oven in the step (2.6) is controlled between 90 ℃ and 110 ℃, and the speed of winding and unwinding is controlled between 10 m/min and 30m/min.
Further, the dosage of the polyethylene water-based ink in the step (2.11) is controlled to be 2-4g/m 2 The winding and unwinding speed is controlled at 25-35m/min, and the temperature of the oven is controlled at 60-75 ℃.
Further, the metal layer plated in the step (2.22) is made of aluminum, a winding type vacuum aluminum plating machine is adopted, the current range of aluminum plating is 750-1250 amperes, and the winding and unwinding speed is controlled to be 60-100m/min.
Further, the winding and unwinding speed in the step (2.55) is controlled to be 10-30m/min, and the temperature of the oven is controlled to be 90-110 ℃.
Further, the step (3) is followed by a step (4) of punching, wherein a punching machine is used for punching the base layer film compounded with the metal layer, and the shape and the size of the hole are determined according to different requirements.
Further, the step (4) is followed by the step (5) of adding a touch layer, coating polyurethane glue on the touch layer, and compounding the touch layer with the perforated base layer film, wherein the using amount of polyurethane is controlled to be 2-4g/m 2 。
Further, the curing in the step adopts a curing box for improving the compounding fastness, the temperature range of the curing box is controlled to be 45-55 ℃, and the curing time range is controlled to be 24-48 hours.
The beneficial effects brought by the invention are as follows:
the touch screen film manufactured by the invention can be in any size, is very thin in thickness and is convenient to integrate into various electronic products in the later period. The conductive layer manufactured in the step (2) can be processed on the base layer film with any size, so that the base layer film has conductivity, the two modes can be adopted, no pollution can be caused, and the touch screen film is manufactured through various compounding steps and curing steps.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a process step diagram of example 1.
FIG. 2 is a process step diagram of example 2.
Fig. 3 is a schematic structural view of a touch screen film.
Detailed Description
The invention is further illustrated by the following specific examples. These examples are intended only to illustrate the invention and are not intended to limit the scope of the invention.
Example 1
A manufacturing method of a touch screen film comprises the following steps:
(1) Coating: coating polyurethane on the base layer film on both sides by a coating machine, placing the base layer film on the coating machine in a coiled manner, and coating the polyurethane on the base layer film in a winding and unwinding manner; the winding and unwinding mode can be used for uniformly coating the polyurethane on the base film.
(2) Manufacturing a conductive layer: the conducting layer is made of aluminum, and the conducting layer is manufactured on the double surfaces of the base layer film processed in the step (1); the conducting layer can sense touch of a human body.
(3) Compounding protective films: and (3) coating polyurethane glue on one surface of the protective film, compounding the protective film and the base film with the conducting layer manufactured in the step (2) through a compounding machine, and respectively attaching the two protective films to the base film with the conducting layer manufactured in the winding and unwinding modes. The protective film can play a role in protecting the conductive layer.
In this embodiment, the step (2) of manufacturing the conductive layer may be divided into the following steps:
(2.1) metal layer compounding: attaching the conductive metal layers to two surfaces of the base layer film by a compound machine, wherein the compound machine adopts a mesh wire rolling coating method; (2.2) curing: the firmness between the metal layer and the base layer film is increased through a curing box, the temperature of the curing box is controlled to be 45-55 ℃, and the curing time is controlled to be 24-48 hours; (2.3) front-to-back printing: printing the protective solution above the metal layer in a positioning manner by a printer, printing the protective solution with certain lines, determining the printing lines on the front side and the back side according to requirements, and drying the base layer film printed with the protective solution by using an oven; (2.4) curing: the firmness between the protective solution and the metal layer is increased through a curing box, the temperature of the curing box is controlled to be 45-55 ℃, and the curing time is controlled to be 24-48 hours; (2.5) washing away the excess metal layer: firstly, na (OH) for aluminum washing machine 2 Washing off excessive metal layer with alkaline water, and keeping the metal layer at the position printed with the protective solution, wherein the rest metal layers are covered with Na (OH) 2 Separating from the base layer film under the action of alkaline water, extruding the alkaline water by using an extrusion roller, washing with natural water by using natural water, and extruding the natural water by using the extrusion roller; (2.6) drying: and drying the base layer film with the conductive lines by using an oven.
In this example, the dimple coating method was used in step (1), and the amount of polyurethane used was controlled to 1-2g/m 2 。
In this embodiment, the winding and unwinding speed in step (1) is controlled to be 40-60m/min.
In the embodiment, the temperature of the coating in the step (1) is controlled in a segmented manner, wherein the temperature of the first segment is controlled to be 80-100 ℃, the temperature of the second segment is controlled to be 100-130 ℃, and the temperature of the third segment is controlled to be 70-90 ℃.
In this example, the polyurethane glue in step (3) is applied by a web roll coating method, and the amount of polyurethane is controlled to be 2-4g/m 2 。
In the embodiment, the temperature of the protective film compounding in the step (3) is controlled in a segmented manner, wherein the temperature of the first segment is controlled to be 80-100 ℃, the temperature of the second segment is controlled to be 110-140 ℃, and the temperature of the third segment is controlled to be 60-95 ℃.
In this example, the amount of the polyurethane used in the step (2.1) was controlled to 2 to 4g/m 2 The winding and unwinding speed is controlled at 40-60m/min.
In this embodiment, aluminum, copper, or silver is used as the metal layer material in step (2.1).
In the embodiment, the temperature of the metal layer in the step (2.1) is controlled in a segmented manner, wherein the temperature of the first segment is controlled to be 80-100 ℃, the temperature of the second segment is controlled to be 110-140 ℃, and the temperature of the third segment is controlled to be 60-95 ℃.
In this example, the amount of the protective solution used in the step (2.3) was controlled to 2 to 4g/m 2 The winding and unwinding speed is controlled at 25-35m/min, and the temperature of the oven is controlled at 60-75 ℃.
In this example, na (OH) in step (2.5) 2 ：H 2 O =1 and the temperature is controlled between 45 ℃ and 60 ℃.
In the embodiment, the temperature of the oven in the step (2.6) is controlled to be between 90 and 110 ℃, and the speed of winding and unwinding is controlled to be between 10 and 30m/min.
In this embodiment, the step (3) is followed by a step (4) of punching, where a punching machine is used to punch the base layer film combined with the metal layer, and the shape and size of the hole are determined according to different requirements.
In the embodiment, the step (4) is followed by the step (5) of adding a touch layer, coating polyurethane glue on the touch layer, and compounding the touch layer with the perforated base layer film, wherein the using amount of polyurethane is controlled to be 2-4g/m 2 。
In the embodiment, the curing step adopts a curing box for improving the compounding fastness, the temperature range of the curing box is controlled to be 45-55 ℃, and the curing time range is controlled to be 24-48 hours.
Example 2
A manufacturing method of a touch screen film comprises the following steps of (2) manufacturing a conductive layer:
(2.11) front-to-back printing: positioning and printing polyethylene water-based ink on two surfaces of the base layer film by a printer, wherein the polyethylene water-based ink has certain lines in the printing process, and the printing lines on the front side and the back side are determined according to requirements; (2.22) plating a metal layer: plating the conductive metal layer on two surfaces of the base layer film printed with the polyethylene water-based ink by a winding type vacuum aluminum plating machine; (2.33) curing: the firmness between the metal layer and the base layer film is increased through the curing box, the temperature of the curing box is controlled to be 45-55 ℃, and the curing time is controlled to be 24-48 hours; (2.44) washing off the excess metal layer: washing the metal layer printed with the polyethylene water-based ink below the metal layer by using tap water through an aluminum washing machine, and extruding the tap water through an extrusion roller, wherein the temperature is controlled at 0-40 ℃; (2.55) drying: and drying the base layer film with the conductive lines by using an oven.
In this example, the amount of the aqueous polyethylene ink used in the step (2.11) was controlled to be 2 to 4g/m 2 The winding and unwinding speed is controlled to be 25-35m/min, and the temperature of the oven is controlled to be 60-75 ℃.
In this embodiment, the metal layer plated in step (2.22) is made of aluminum, a winding type vacuum aluminum plating machine is used, the current range of aluminum plating is 750-1250 amperes, and the winding and unwinding speed is controlled to be 60-100m/min.
In the embodiment, the winding and unwinding speed in the step (2.55) is controlled to be 10-30m/min, and the temperature of the oven is controlled to be 90-110 ℃.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (20)
1. A manufacturing method of a touch screen film is characterized by comprising the following steps:
(1) Coating: coating polyurethane on the base layer film on both sides by a coating machine, placing the base layer film on the coating machine in a coiled manner, and coating the polyurethane on the base layer film in a winding and unwinding manner;
(2) Manufacturing a conductive layer: the conducting layer is made of aluminum or copper or silver, and the conducting layer is manufactured on the two sides of the base layer film processed in the step (1);
(3) Compounding protective films: and (3) coating polyurethane glue on one surface of the protective film, compounding the protective film and the base film with the conducting layer manufactured in the step (2) through a compounding machine, and respectively attaching the two protective films to the base film with the conducting layer manufactured in the winding and unwinding modes.
2. The method of claim 1, wherein the step (2) of forming the conductive layer comprises the steps of:
(2.1) metal layer compounding: attaching the conductive metal layers to two surfaces of the base layer film by a compound machine, wherein the compound machine adopts a mesh wire rolling coating method;
(2.2) curing: the firmness between the metal layer and the base layer film is increased through the curing box, the temperature of the curing box is controlled to be 45-55 ℃, and the curing time is controlled to be 24-48 hours;
(2.3) front-to-back printing: printing the protective liquid above the metal layer in a positioning manner by using a printer, printing the protective liquid with certain lines, determining the printing lines on the front side and the back side according to requirements, and drying the base layer film printed with the protective liquid by using an oven;
(2.4) curing: the firmness between the protective solution and the metal layer is increased through a curing box, the temperature of the curing box is controlled to be 45-55 ℃, and the curing time is controlled to be 24-48 hours;
(2.5) washing off the excess metal layer: first pass through the aluminum washing machine with Na (OH) 2 Washing off excessive metal layer with alkaline water, and keeping the metal layer at the position printed with the protective solution, wherein the rest metal layers are covered with Na (OH) 2 Separating from the base layer film under the action of alkaline water, extruding the alkaline water by using an extrusion roller, washing with natural water by using natural water, and extruding the natural water by using the extrusion roller;
(2.6) drying: and drying the base layer film with the conductive lines by using an oven.
3. The method of claim 1, wherein the step (2) of forming the conductive layer comprises the steps of:
(2.11) front-to-back printing: positioning and printing polyethylene water-based ink on two surfaces of the base layer film by a printer, wherein the polyethylene water-based ink has certain lines in the printing process, and the printing lines on the front side and the back side are determined according to requirements;
(2.22) plating a metal layer: plating the conductive metal layer on two surfaces of the base layer film printed with the polyethylene water-based ink by a winding type vacuum aluminum plating machine;
(2.33) curing: the firmness between the metal layer and the base layer film is increased through the curing box, the temperature of the curing box is controlled to be 45-55 ℃, and the curing time is controlled to be 24-48 hours;
(2.44) washing away the excess metal layer: washing the metal layer printed with the polyethylene water-based ink below the metal layer by using tap water through an aluminum washing machine, and extruding the tap water through an extrusion roller, wherein the temperature is controlled at 0-40 ℃;
(2.55) drying: and drying the base layer film with the conductive lines by using an oven.
4. The method for producing a touch screen film according to claim 1, wherein the step (1) is carried out by a gravure coating method, and the amount of the polyurethane is controlled to be 1 to 2g/m 2 。
5. The method for manufacturing a touch screen film according to claim 1, wherein the winding and unwinding speed in step (1) is controlled to be 40-60m/min.
6. The method for manufacturing a touch screen film according to claim 1, wherein the temperature applied in step (1) is controlled in stages, the first stage temperature is controlled to be 80-100 ℃, the second stage temperature is controlled to be 100-130 ℃, and the third stage temperature is controlled to be 70-90 ℃.
7. According to claim 1The manufacturing method of the touch screen film is characterized in that the polyurethane glue in the step (3) adopts a mesh wire roll coating method, and the using amount of polyurethane is controlled to be 2-4g/m 2 。
8. The method of claim 1, wherein the temperature of the protective film in step (3) is controlled in stages, wherein the first stage temperature is 80-100 ℃, the second stage temperature is 110-140 ℃, and the third stage temperature is 60-95 ℃.
9. The method of manufacturing a touch screen film according to claim 2, wherein the amount of the polyurethane used in the step (2.1) is controlled to be 2-4g/m 2 The winding and unwinding speed is controlled at 40-60m/min.
10. The method for manufacturing a touch screen film according to claim 2, wherein the metal layer material in step (2.1) is aluminum, copper or silver.
11. The method for manufacturing a touch screen film according to claim 2, wherein in step (2.1), the temperature of the metal layer is controlled in a composite manner in a stepwise manner, wherein the temperature of the first stage is controlled to be 80-100 ℃, the temperature of the second stage is controlled to be 110-140 ℃, and the temperature of the third stage is controlled to be 60-95 ℃.
12. The method of manufacturing a touch screen film according to claim 2, wherein the amount of the protective solution used in the step (2.3) is controlled to be 2-4g/m 2 The winding and unwinding speed is controlled at 25-35m/min, and the temperature of the oven is controlled at 60-75 ℃.
13. The method of manufacturing a touch screen film according to claim 2, wherein in step (2.5), na (OH) 2 ：H 2 O =1, and the temperature is controlled between 45 ℃ and 60 ℃.
14. The method for manufacturing a touch screen film according to claim 2, wherein the temperature of the oven in the step (2.6) is controlled to be between 90 ℃ and 110 ℃, and the speed of the winding and unwinding is controlled to be between 10 m/min and 30m/min.
15. The method of claim 3, wherein the amount of the aqueous polyethylene ink used in step (2.11) is controlled to be 2-4g/m 2 The winding and unwinding speed is controlled at 25-35m/min, and the temperature of the oven is controlled at 60-75 ℃.
16. The method of claim 3, wherein the metal layer plated in step (2.22) is made of aluminum, a winding type vacuum aluminum plating machine is used, the current of aluminum plating is 750-1250A, and the winding and unwinding speed is controlled to be 60-100m/min.
17. The method for manufacturing a touch screen film according to claim 16, wherein the winding and unwinding speed in the step (2.55) is controlled to be 10-30m/min, and the temperature of the oven is controlled to be 90-110 ℃.
18. The method for manufacturing a touch screen film according to claim 1, wherein step (3) is followed by step (4) of punching, and the base layer film combined with the metal layer is punched by a punching machine, wherein the shape and size of the hole are determined according to different requirements.
19. The method for manufacturing the touch screen film according to claim 1, wherein the step (4) is followed by the step (5) of adding a touch layer, coating polyurethane glue on the touch layer, and compounding the touch layer with the perforated base layer film, wherein the use amount of polyurethane is controlled to be 2-4g/m 2 。
20. The method of making a touch screen film according to any of claims 1-19, wherein the curing step employs a curing oven for increasing the fastness of the lamination, the temperature of the curing oven is controlled within the range of 45-55 ℃, and the curing time is controlled within the range of 24-48 hours.
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| CN215882916U (en) * | 2021-10-13 | 2022-02-22 | 海宁光圣晶体材料有限公司 | Touch screen film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102463757A (en) * | 2010-11-12 | 2012-05-23 | 武汉华工图像技术开发有限公司 | Preparation method of holographic transfer film for replacing holographic gold stamping |
| CN103587163A (en) * | 2013-11-06 | 2014-02-19 | 杭州新光塑料有限公司 | Method for locally printing plate aluminum on package film |
| CN105799282A (en) * | 2014-12-31 | 2016-07-27 | 上海永超真空镀铝有限公司 | Preparation method of locally imitative-mirror-surface metal composite thin film |
| CN215882916U (en) * | 2021-10-13 | 2022-02-22 | 海宁光圣晶体材料有限公司 | Touch screen film |
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