CN103450821A - Base material-free optical adhesive tape and its manufacturing method - Google Patents
Base material-free optical adhesive tape and its manufacturing method Download PDFInfo
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- CN103450821A CN103450821A CN2012101686599A CN201210168659A CN103450821A CN 103450821 A CN103450821 A CN 103450821A CN 2012101686599 A CN2012101686599 A CN 2012101686599A CN 201210168659 A CN201210168659 A CN 201210168659A CN 103450821 A CN103450821 A CN 103450821A
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- release film
- adhesive tape
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- optics adhesive
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Abstract
The invention provides a base material-free optical adhesive tape and its manufacturing method. The method consists of: firstly adding a film-forming ingredient into a pre-synthetic adhesive material, conducting stirring to obtain a liquid optical adhesive, also providing a first release film transferred at a predetermined speed, when the first release film moves, coating a liquid optical adhesive with a predetermined thickness on the first release film at the same time, then carrying out UV illumination curing and maturation processing on the liquid optical adhesive on the first release film in order so as to form an optical film with a predetermined thickness, then providing a second release film and using it to cover the cured optical film, thus obtaining the base material-free optical adhesive tape that has a predetermined thickness optical film with both sides covered by the first release film and the second release film respectively.
Description
Technical field
The relevant a kind of optics adhesive tape of the present invention, aim to provide a kind of without base material optics adhesive tape, with and relevant manufacture method.
Background technology
In the information age now, the mankind grow with each passing day for the dependency of electronic product, the electronic products such as notebook computer, mobil phone, personal digital assistant device (personal digital assistant, PDA), digital walkman have all become indispensable application tool in modern's life and work.Above-mentioned electronic product all, except having an indicating meter, also must provide an operator-machine-interface, for the built-in system of defeated user and electronic product, is linked up simultaneously.
Along with the requirement of user to display quality, convenience and the friendly degree of indicating meter, contact panel (touch panel) is set on display panel (display panel), replace traditional input units such as button or mouse with contact panel, provide the user to utilize finger or pointer etc. to carry out the approach of interactive input operation.
Generally speaking, touch control display panel is comprised of contact panel and liquid crystal panel, most engagement means be take gummed as main, that is after the prospective region of a slice plate is coated with an optical cement (OCA) therein, again another sheet plate correspondence and this are coated with to plate laminating of optical cement, utilize subsequently UV light that this optical cement is solidified, to complete the preparation of this touch control display panel.
Above-mentioned use optical cement forms the form of construction work of two plate laminatings, before optical cement not yet hardens, the trip edge between two plates all easily produces the glue that overflows, and wiping is in real time removed, in wiping process, optical cement still can continue to overflow, difficult treatment and quite consuming time; Especially, if optical cement is excessive and do not remove in real time, after its sclerosis by more difficult removing.Therefore, industry is also used a kind of optics adhesive tape in order to form the comprehensive laminating of touch control screen, replaces the mode of conventional mobile phone screen welt frame, effectively replaces the gas cloud that must have because of the welt frame, reaches the effect that improves the screen contrast with the physical property material.
Similar OCA optics adhesive tape is the shortcoming of avoiding optically causing vision, in all links of processing procedure, must maintain the grade of clean room, and gets rid of the possible pollution of general adhesive tape, as bubble, dust or micelle etc.Yet in the streets general common OCA optics adhesive tape is used PET, cotton paper etc. as base material more, therefore need the secondary coating just to complete the making of OCA optics adhesive tape, not only must expend more man-hour and cost of manufacture; Especially, the pollution that relatively increase may cause adhesive tape.
Summary of the invention
In view of this, the present invention can significantly reduce production costs providing a kind of, and effectively Improving The Quality of Products without base material optics adhesive tape, with and relevant manufacture method, be its main purpose.
For reaching above-mentioned purpose, of the present invention without base material optics adhesive tape, be coated with respectively the first release film of a tool pre-determined thickness in the blooming two sides of a pre-determined thickness, and the second release film of a tool pre-determined thickness.
According to above-mentioned technical characteristics, described blooming is by the pre-synthesis glue material of predetermined weight percent and become film formulation through UV rayed curing molding.
Above-mentioned pre-synthesis glue material is by acryl monomer, thinner, the linking agent of predetermined weight percent, and antioxidant forms; The light initiator that this one-tenth film formulation is the tool predetermined weight percent.
According to above-mentioned technical characteristics, described the first release film is one to have the heavy release film of 125mic thickness; This second release film is one to have the light release film of 50mic thickness.
Manufacture method without base material optics adhesive tape of the present invention, sequentially comprise the following steps: that a. adds into film formulation in pre-synthesis glue material and stirs into as liquid optical cement; B. coordinate first release film transmitted at a predetermined velocity is provided; C. when this first release film moves, the liquid optical cement of pre-determined thickness is coated on the first release film; D. coordinate the liquid optical cement on the first release film is sequentially imposed to the UV rayed is solidified and maturation processing makes to become the blooming of tool pre-determined thickness; E. provide one second release film to be covered on curing blooming and sequentially overlapped the second release film, blooming, the first release film furled, can obtain a kind of blooming in pre-determined thickness two sides be coated with respectively one first release film and one second release film without base material optics adhesive tape.
According to the technical characteristics of the above-mentioned manufacture method without base material optics adhesive tape, while stirring, described liquid optical cement use the nitrogen aeration to remove the oxygen in glue.
According to the technical characteristics of the above-mentioned manufacture method without base material optics adhesive tape, described liquid optical cement is further removed impurity and the micelle more than 1 μ m by strainer, by degassing the bubble system except the middle bubble that removes photoresist to keep the smooth of coated face.
According to the technical characteristics of the above-mentioned manufacture method without base material optics adhesive tape, described liquid optical cement utilizes a slit type coating head that it is coated on this first release film with desired thickness.
Particularly, provided by the present invention without base material optics adhesive tape and manufacture method thereof, can produce following effect.
1. of the present inventionly without base material optics adhesive tape, can take care of at normal temperatures, and can carry out the pressing use after the release film of tearing.
2. whole lower without the thickness of base material optics adhesive tape, be conducive to the slimming design of product.
3. whole few without the excessive glue of base material optics adhesive tape, especially be applicable to Punching Technology.
4. only need carry out the coating flow of one-time continuous formula, be conducive to reduce the i.e. relevant manufacturing cost of operation.
5. can avoid producing the dysopia (if any bubble, dirt or gel etc.) of common tackiness agent, contribute to Improving The Quality of Products.
6. adopt the UV photo-hardening to make production, to very environmental protection of environment.
The accompanying drawing explanation
Fig. 1 is of the present invention without base material optical cement band structure enlarged diagram.
Fig. 2 is the flow process chart without base material optics adhesive tape manufacture method of the present invention.
Fig. 3 is the machining sketch chart without base material optics adhesive tape manufacture method of the present invention.
The figure number explanation:
10 bloomings
20 first release films
30 second release films
41 first discharge mechanisms
42 second discharge mechanisms
43 coilers
50 slit type coating heads
60 UV light sources
70 ripening chambers.
Embodiment
As of the present invention as Fig. 1 without as shown in base material optical cement band structure enlarged diagram, of the present invention without base material optics adhesive tape, be coated with respectively the first release film 20 of a tool pre-determined thickness in blooming 10 two sides of a pre-determined thickness, and the second release film 30 of a tool pre-determined thickness.Wherein, this blooming 10 is by the pre-synthesis glue material of predetermined weight percent and become film formulation through UV rayed curing molding; When implementing, this pre-synthesis glue material is by acryl monomer, thinner, the linking agent of predetermined weight percent, and antioxidant forms.
As for, this becomes film formulation can be the light initiator of tool predetermined weight percent.This first release film can be a heavy release film with 125mic thickness; This second release film is one to have the light release film of 50mic thickness, makes to allow wholely without base material optics adhesive tape, to obtain preferably structural strength, and can take care of at normal temperatures, after the release film of tearing, can carry out the pressing use.
Please coordinate with reference to shown in Fig. 2 and Fig. 3, the manufacture method without base material optics adhesive tape of the present invention, sequentially comprise the following steps basically simultaneously.
A. adding into film formulation in pre-synthesis glue material stirs and plays the part of as liquid optical cement; When implementing, while described liquid optical cement can stir, use the nitrogen aeration to remove the oxygen in glue, and further by strainer, remove impurity and the micelle more than 1 μ m, by degassing the bubble system except the middle bubble that removes photoresist to keep the smooth of coated face.And this liquid optical cement is in whipping process, and it is good being controlled at the irradiation that is not subject to UV light.
B. coordinate first release film 20 transmitted at a predetermined velocity is provided; When implementing, this first release film 20 can be a heavy release film with 125mic thickness, and in the mode of batching, be stored on one first discharge mechanism 41 in advance, when using, the one end is fixed in a coiler 43 and connects, under the running of this coiler 43, make this first release film 20 be sent to this coiler 43 places by this first discharge mechanism 41 with the speed of being scheduled to, and furled by this coiler 43.
C. when this first release film 20 moves, the liquid optical cement of pre-determined thickness is coated on the first release film; When implementing, described liquid optical cement utilizes a slit type coating head 50 that it is coated on this first release film 20 with desired thickness.The equipping position of this slit type coating head 50 is between this first discharge mechanism 41 and this coiler 43.
D. coordinate the liquid optical cement on the first release film 20 is sequentially imposed to the UV rayed is solidified and maturation processing makes to become the blooming 10 of tool pre-determined thickness; When implementing, should sequentially be located between slit type coating head 50 and this coiler 43 in order to the UV light source 60 and the ripening chamber 70 that produce UV light.
E. provide one second release film 30 be covered on curing blooming 10 and will sequentially the second overlapped release film 30, blooming 10, the first release film 20 be furled, can obtain as shown in Figure 1 a kind of, in blooming 10 two sides of a pre-determined thickness, be coated with respectively one first release film 20 and one second release film 30 without base material optics adhesive tape; When implementing, this second release film 30 can be a light release film with 50mic thickness, and in the mode of batching, be stored on one second discharge mechanism 42 in advance, when using, the one end is fixed in this coiler 43 and connects, under the running of this coiler 43, make this first release film 20 be sent to this coiler 43 places by this first discharge mechanism 41 with the speed of being scheduled to, and by this coiler 43, it is furled together with blooming 10, the first release film 20.
According to this, the disclosed manufacture method without base material optics adhesive tape of the present invention, only need carry out the coating flow of one-time continuous formula, be conducive to reduce the i.e. relevant manufacturing cost of operation, and can effectively avoid producing the dysopia (if any bubble, dirt or gel etc.) of common tackiness agent, contribute to Improving The Quality of Products; Especially, in processing procedure, adopt the UV photo-hardening to make production, to very environmental protection of environment.
Commonly using the optics adhesive tape with tradition compares, of the present inventionly without base material optics adhesive tape, can take care of at normal temperatures, relatively easily preserve, and can carry out the pressing use after the release film of tearing, the whole thickness without base material optics adhesive tape is few than low, excessive glue, the outstanding Punching Technology that is applicable to, be conducive to the slimming design of product.
Claims (8)
1. one kind without base material optics adhesive tape, it is characterized in that, is coated with respectively the first release film of a tool pre-determined thickness in the blooming two sides of a pre-determined thickness, and the second release film of a tool pre-determined thickness.
2. as claimed in claim 1ly without base material optics adhesive tape, it is characterized in that, this blooming is by the pre-synthesis glue material of predetermined weight percent and become film formulation through UV rayed curing molding.
3. as claimed in claim 2ly without base material optics adhesive tape, it is characterized in that, this pre-synthesis glue material is by acryl monomer, thinner, the linking agent of predetermined weight percent, and antioxidant forms; The light initiator that this one-tenth film formulation is the tool predetermined weight percent.
4. as claimed in claim 1ly without base material optics adhesive tape, it is characterized in that, this first release film is one to have the heavy release film of 125mic thickness; This second release film is one to have the light release film of 50mic thickness.
5. the manufacture method without base material optics adhesive tape, is characterized in that, sequentially comprises the following steps: that a. adds into film formulation in pre-synthesis glue material and stirs into as liquid optical cement;
B., one the first release film transmitted at a predetermined velocity is provided;
C. when this first release film moves, the liquid optical cement of pre-determined thickness is coated on the first release film;
D. coordinate the liquid optical cement on the first release film is sequentially imposed to the UV rayed is solidified and maturation processing makes to become the blooming of tool pre-determined thickness;
E. provide one second release film to be covered on curing blooming and sequentially overlapped the second release film, blooming, the first release film furled, can obtain a kind of blooming in pre-determined thickness two sides be coated with respectively one first release film and one second release film without base material optics adhesive tape.
6. a kind of manufacture method without base material optics adhesive tape as claimed in claim 5, is characterized in that, while this liquid optical cement stirs, uses the nitrogen aeration to remove the oxygen in glue.
7. a kind of manufacture method without base material optics adhesive tape as claimed in claim 5, is characterized in that, this liquid optical cement is further removed impurity and the micelle more than 1 μ m by strainer, by degassing the bubble system except the middle bubble that removes photoresist to keep the smooth of coated face.
8. a kind of manufacture method without base material optics adhesive tape as claimed in claim 5, is characterized in that, this liquid optical cement utilizes a slit type coating head that it is coated on this first release film with desired thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101686599A CN103450821A (en) | 2012-05-28 | 2012-05-28 | Base material-free optical adhesive tape and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101686599A CN103450821A (en) | 2012-05-28 | 2012-05-28 | Base material-free optical adhesive tape and its manufacturing method |
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| CN103450821A true CN103450821A (en) | 2013-12-18 |
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| CN2012101686599A Pending CN103450821A (en) | 2012-05-28 | 2012-05-28 | Base material-free optical adhesive tape and its manufacturing method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527196A (en) * | 2014-12-29 | 2015-04-22 | 宁波大榭开发区综研化学有限公司 | Method for preparing thick optical cement without base material |
| CN105038623A (en) * | 2015-07-13 | 2015-11-11 | 南昌欧菲光科技有限公司 | Transparent optical glue film with dispersed liquid crystals and preparation method |
| CN106354290A (en) * | 2015-07-20 | 2017-01-25 | 南昌欧菲光学技术有限公司 | A method of manufacturing an optical adhesive layer for a touch screen and a method of manufacturing the touch screen. |
| CN106928875A (en) * | 2017-04-28 | 2017-07-07 | 东莞市亚马电子有限公司 | A kind of weather resisteant optical cement film film high and its manufacture craft |
| CN106978100A (en) * | 2017-04-28 | 2017-07-25 | 东莞市亚马电子有限公司 | A kind of repeatable Environmental protection two-side adhesive tape utilized of high viscosity and its manufacture craft |
| CN109482444A (en) * | 2017-09-11 | 2019-03-19 | 佳镁机械有限公司 | Viscose apparatus for coating |
| CN111909632A (en) * | 2020-06-29 | 2020-11-10 | 苏州滕艺科技有限公司 | Manufacturing method of anti-bubble base-material-free adhesive sticker |
| CN115284696A (en) * | 2022-08-11 | 2022-11-04 | 业成科技（成都）有限公司 | Composite optical film structure and manufacturing method thereof |
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| US20090075005A1 (en) * | 2005-02-10 | 2009-03-19 | Hideki Nagareo | Transfer-Type Pressure Sensitive Adhesive Tape |
| CN101537726A (en) * | 2008-03-18 | 2009-09-23 | 琳得科株式会社 | Stripping film, polarizing film with stripping film and two-sided bonding sheet without base material |
| CN102171122A (en) * | 2008-09-30 | 2011-08-31 | 琳得科株式会社 | Film-peeling method, process for production of optical film, film-peeling mechanism, and apparatus for production of optical film |
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| CN102171122A (en) * | 2008-09-30 | 2011-08-31 | 琳得科株式会社 | Film-peeling method, process for production of optical film, film-peeling mechanism, and apparatus for production of optical film |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527196A (en) * | 2014-12-29 | 2015-04-22 | 宁波大榭开发区综研化学有限公司 | Method for preparing thick optical cement without base material |
| CN105038623A (en) * | 2015-07-13 | 2015-11-11 | 南昌欧菲光科技有限公司 | Transparent optical glue film with dispersed liquid crystals and preparation method |
| CN106354290A (en) * | 2015-07-20 | 2017-01-25 | 南昌欧菲光学技术有限公司 | A method of manufacturing an optical adhesive layer for a touch screen and a method of manufacturing the touch screen. |
| CN106928875A (en) * | 2017-04-28 | 2017-07-07 | 东莞市亚马电子有限公司 | A kind of weather resisteant optical cement film film high and its manufacture craft |
| CN106978100A (en) * | 2017-04-28 | 2017-07-25 | 东莞市亚马电子有限公司 | A kind of repeatable Environmental protection two-side adhesive tape utilized of high viscosity and its manufacture craft |
| CN109482444A (en) * | 2017-09-11 | 2019-03-19 | 佳镁机械有限公司 | Viscose apparatus for coating |
| CN111909632A (en) * | 2020-06-29 | 2020-11-10 | 苏州滕艺科技有限公司 | Manufacturing method of anti-bubble base-material-free adhesive sticker |
| CN115284696A (en) * | 2022-08-11 | 2022-11-04 | 业成科技（成都）有限公司 | Composite optical film structure and manufacturing method thereof |
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Application publication date: 20131218 |