CN110041837A - A kind of protective film - Google Patents
A kind of protective film Download PDFInfo
- Publication number
- CN110041837A CN110041837A CN201910335061.6A CN201910335061A CN110041837A CN 110041837 A CN110041837 A CN 110041837A CN 201910335061 A CN201910335061 A CN 201910335061A CN 110041837 A CN110041837 A CN 110041837A
- Authority
- CN
- China
- Prior art keywords
- layer
- protective film
- writing
- flexible resin
- glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
A kind of protective film, it is related to protection of technical field of membrane.It includes: flexible resin layer, laminating layer and the release film from top to bottom stacked gradually；The flexible resin layer includes writing surface and non-writing face, and the non-writing face is connect with the laminating layer, and the writing surface is through coarse processing.By adopting the above technical scheme, there is the writing texture that paper can be simulated by flexible resin layer enhancing to write texture and applicability, effectively improve the advantage for writing efficiency.
Description
Technical field
The present invention relates to protection technical field of membrane, and in particular to a kind of protective film.
Background technique
With era development and social progress, handwriting pad, handwriting screen education and instruction, meeting, drawing, in terms of
Application demand is continuously increased, for example can solve the dust problem of chalk using liquid crystal handwriting pad substitution traditional blackboard, and its
It keeps being not necessarily to energy when learning Content, while it may be implemented to impart knowledge to students with no paper at all, it can be real using plate cooperation capacitance pen study
Now with no paper study.
In recent years, protection membrane technology has obtained more and more extensive research and application in handwriting pad electronic product industry.It is many
It is well known, when we are write on paper using pencil, friction appropriate can be generated between pen tip and paper, to generate
It is preferable to write texture.But protective film on the market is hard substrate at present, is not particularly suited for foldable screen on the market, and
Writing experience causes to write and feels poor, user experience is bad still with the feeling write with hard-tipped pen in table surface.
Therefore, it is necessary to design a protective film, to solve the above technical problems.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of protective films, can pass through flexibility
Resin layer simulates the writing quality of paper, and with stronger applicability and the advantage of texture is write in raising.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of protective film characterized by comprising by upper
Flexible resin layer, laminating layer and the release film stacked gradually under；The flexible resin layer includes writing surface and non-writing face,
The non-writing face is connect with the laminating layer, and the writing surface is through coarse processing.
The further setting of the present invention is equipped with the first glue layer between the flexible resin layer and the laminating layer.
The further setting of the present invention, the laminating layer adsorb glue-line for first certainly.
The further setting of the present invention, the laminating layer is in frame-type and set on the side of the flexible resin layer；The patch
Closing layer includes: the absorption glue-line certainly of the second glue layer from top to bottom stacked gradually, substrate frame layer, second.
The further setting of the present invention, the coefficient of friction of the writing surface are 0.05-1.0.
The further setting of the present invention is additionally provided with substrate layer between the laminating layer and first glue layer；The base
Material layer is high transparency optical thin film, and the substrate layer includes but is not limited to pet, tac, pmma, pc optical thin film.
The further setting of the present invention, the coarse processing mode of the writing surface be pressure roller, counterdie transfer, particle addition with
And two one or more of phase separation method.
The further setting of the present invention, the writing surface are the processing of co-continuous body sample.
The further setting of the present invention, the release film side form several tearing portions for removing release film；
The release film is straight line easily tore film, and the release film includes but is not limited to that straight line easily tears nylon membrane, and straight line easily tears polyester film, directly
Line easily tears polypropylene screen, and straight line easily tears pet film.
The further setting of the present invention is equipped with waterproof surge layer between the substrate layer and second glue layer.
After adopting the above technical scheme, the invention has the following beneficial effects:
1, it in the present invention, by the way that flexible resin layer is arranged, so that the protection film surface has elasticity, tension, is writing
When can simulate the soft quality of paper, and coarse processing is done to the writing surface of flexible resin layer, makes it have traditional paper
Abrasive feel is write, it is more true to write sense, while more comfortable writing sound can be generated, there are preferable sensory effects, have
Effect changes that traditional protection film is really up to the mark and extremely low resistance sense bring is inconvenient for use.
2, in the present invention, the protective film on the one hand can the display screen to electronic equipment play a protective role, and mention
Height writes texture, on the other hand can also play a protective role to electronic pen, reduces electronic pen pen tip and shows the mill between screen
Damage, improves the service life of electronic pen.
3, in the present invention, release film can be carried out part by tearing portion to remove, so that user makes the protective film in patch
Shi Gengwei is convenient, and since flexible resin layer and laminating layer all have ductility, can preferably use on Folding screen.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of embodiment one；
Fig. 2 is the overall structure diagram of embodiment two；
Fig. 3 is the overall structure diagram of embodiment three；
Fig. 4 is the overall structure diagram of example IV.
Description of symbols: 1, flexible resin layer；2, substrate layer；3, laminating layer；4, release film；11, writing surface；12, non-
Writing surface；31, first glue-line is adsorbed certainly；5, the first glue layer；32, the second glue layer；33, substrate frame layer；34, it second adsorbs certainly
Glue-line；15, tearing portion；14, waterproof surge layer.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one: the present embodiment is related to a kind of protective film, as shown in Figure 1, including the flexibility from top to bottom stacked gradually
Resin layer 1, laminating layer 3 and release film 4, flexible resin layer 1 include writing surface 11 and non-writing face 12, non-writing face 12 and patch
It closes layer 3 to connect, wherein writing surface 11 has certain screen resilience and through coarse processing, imitates to improve the friction of writing surface 11 and pen tip
Fruit, to promote the writing sense of protective film.
As shown in Figure 1, being equipped with the first glue layer 5 between flexible resin layer 1 and laminating layer 3, laminating layer 3 is the first absorption certainly
Glue-line 31, is specifically as follows layer of silica gel, since flexible resin layer 1 and the first absorption glue-line 31 and the first glue layer 5 all have
Ductility, thus the protective film in use when on Folding screen, can be avoided protective film with the folding of Folding screen and deformation occurs,
To improve the scope of application of the protective film.
As shown in Figure 1, the coefficient of friction of the writing surface 11 of flexible resin layer 1 is 0.05-1.0, rub in the present embodiment
Coefficient is 0.25, specifically, the coarse processing mode of protective film writing surface 11 is pressure roller, counterdie transfer, particle addition and group
One or more of two phase separation methods, learn according to research, and coefficient of friction of the pencil on paper is equal to 0.25, due to flexibility
Resin layer 1 has preferable elasticity, and shrinkage is low, and when by being exerted oneself from pen tip, flexible resin layer 1 can occur extremely
Slight temporary deformation, when pen tip leaves writing surface 11, flexible resin layer 1 replys the shape of script under the action of restoring force
State, therefore in the present embodiment, which has reproduced the writing experience of paper and pencil, has the writability of similar pencil, mentions
Writing texture is risen, while when using the protective film, additionally it is possible to generate writing sound similar with paper, there is preferable sense
Official's experience, may advantageously facilitate study or working efficiency.
The protective film is applied on the screen of electronic equipments such as mobile phone, plate, hand drawing board, writing surface 11 be used for for user into
Running hand is write, it should be noted that writing surface 11 is the processing of co-continuous body sample, and the processing of surface non-individual body can effectively avoid optics
The flash-point generated is reflected, effectively reduces glossiness compared to traditional protection film, the refraction of light is avoided to cause to write dizziness to user,
And since flexible resin layer 1 has preferable elasticity, it can play a protective role first to the screen of electronic equipment, prevent screen
It scratches, secondly can also also function to protective effect to electronic pen itself, it should be noted that although writing surface 11 passes through coarse place
Reason, so that the frictional force between pen tip and protective film increases, but writing surface 11 is flexible resin material, has certain elastic force,
And done the processing of co-continuous sample so that writing surface 11 and electronic pen contact surface are continuous always, thus can reduce electronic pen with
Protective film causes pen tip impaired phenomenon when contacting, to improve the service life of electronic pen.
The existing electronic pen for writing on electronic curtain is commonly referred to as capacitance pen, and capacitance pen is to utilize conductor material system
The conductive characteristic having be used as, the pen that human-computer dialogue operation is completed for touch control capacitance formula screen, utilize conductor material to imitate
Human body (usually finger) completes a kind of auxiliary device of human-computer dialogue.Through the use for detecting existing capacitance pen Apple Pencil
Service life is generally, can be by Apple with 50mm length scribing line test panel 10000 times, and when writing surface 11 is flexible resin layer 1
The service life of Pencil doubles.
In the present embodiment, 4 side of release film forms several tearing portions 15 for removing release film 4, release film 4
For straight line easily tore film, release film 4 includes but is not limited to that straight line easily tears nylon membrane, and straight line easily tears polyester film, and straight line easily tears polypropylene
Film, straight line easily tear pet film, and when fitting in the protective film on screen, user can be pasted relatively release film 4 by tearing portion 15
It closes layer 3 quickly to be removed, tearing portion 15 can be one, two, three etc., release film 4 can be divided into two parts, three
Part, four parts etc., therefore release film 4 is divided for the fitting of several parts on the screen, so that it is guaranteed that the smooth fitting of the protective film.
Embodiment two: the present embodiment is related to a kind of protective film, as shown in Fig. 2, including the flexibility from top to bottom stacked gradually
Resin layer 1, laminating layer 3 and release film 4, flexible resin layer 1 include writing surface 11 and non-writing face 12, non-writing face 12 and patch
It closes layer 3 to connect, the first glue layer 5 is equipped between flexible resin layer 1 and laminating layer 3, wherein writing surface 11 has certain screen resilience
And through coarse processing, to improve the friction effect of writing surface 11 Yu pen tip, to promote the writing sense of protective film.
The present embodiment is what is different from the first embodiment is that be equipped with substrate layer 2 between laminating layer 3 and the first glue layer 5；Substrate layer
2 be high transparency optical thin film, including but not limited to pet, tac, pmma, pc optical thin film, due to the resistance to height of flexible resin layer 1
Warm nature is poor, cause production and processing limited efficacy, and by smeared on substrate layer 2 first glue layer 5 again with flexible resin layer 1
Fitting, can preferably solve limitation of the high temperature to processing efficiency, while can enhance between flexible resin layer 1 and substrate layer 2
Bonding force, prevent flexible resin layer 1 from separating with 2 phase of substrate layer, so that it is guaranteed that the service life of the protective film.
Embodiment three: the present embodiment is related to a kind of protective film, as shown in figure 3, including the flexibility from top to bottom stacked gradually
Resin layer 1, laminating layer 3 and release film 4, flexible resin layer 1 include writing surface 11 and non-writing face 12, non-writing face 12 and patch
It closes layer 3 to connect, the first glue layer 5 is equipped between flexible resin layer 1 and laminating layer 3, is set between laminating layer 3 and the first glue layer 5
There is substrate layer 2；Wherein writing surface 11 has certain screen resilience and through coarse processing, is imitated with improving the friction of writing surface 11 and pen tip
Fruit, to promote the writing sense of protective film.
The present embodiment is unlike embodiment two, as shown in figure 3, in the present embodiment, laminating layer 3 is set to substrate layer 2
Side, laminating layer 3 include the second glue layer 32 from top to bottom stacked gradually, substrate frame layer 33, second absorption glue-line 34 certainly；The
Two glue layers 32 are connect with substrate layer 2, and second connect from absorption glue-line 34 with release film 4.I.e. between substrate layer 2 and release film 4
There are gaps at middle part, since the screen of handwriting pad, plate is larger, in patch protective film or protective film often due to large area
Glue-line cause fitting inconvenient, and laminating layer 3 can reduce the fitting area of glue and screen in the present embodiment, while ensure to protect
Cuticula is bonded effect with screen, the applying method of the protective film are as follows: first the release film 4 of bottom is removed, then by laminating layer 3 with
The corresponding fitting in the side of screen, it should be noted that the thickness of laminating layer 3 is minimum, has no effect on using capacitance pen in protective film
Upper writing.
Example IV: the present embodiment is unlike embodiment three, as shown in figure 4, in the present embodiment, substrate layer 2 with
It is equipped with waterproof surge layer 14 between laminating layer 3 and avoids base so as to prevent from steam occur between electronic curtain and substrate layer 2
Adsorption phenomena occurs between material layer 2 and electronic curtain, it is ensured that the protective film has good perception and writes sense.
The working principle of the present embodiment is approximately as stating: by the way that flexible resin layer 1 is arranged, so that the protection film surface has
Elasticity, tension can simulate the soft quality of paper when writing, and do coarse processing to the writing surface of flexible resin layer 1 11,
The writing abrasive feel of traditional paper is made it have, it is more true sense is write, while more comfortable writing sound can be generated, has
Preferable sensory effects, effectively change that traditional protection film is really up to the mark and extremely low resistance sense bring is inconvenient for use, while the guarantor
The numerous display screens that can be suitable for the softer of cuticula including Folding screen, have stronger applicability.
More than, it is only used to illustrate the technical scheme of the present invention and not to limit it, those of ordinary skill in the art are to of the invention
The other modifications or equivalent replacement that technical solution is made as long as it does not depart from the spirit and scope of the technical scheme of the present invention should all
It is included within the scope of the claims of the present invention.
Claims (10)
1. a kind of protective film characterized by comprising the flexible resin layer (1) that from top to bottom stacks gradually, laminating layer (3) with
And release film (4)；
The flexible resin layer (1) includes writing surface (11) and non-writing face (12), and the non-writing face (12) is bonded with described
Layer (3) connection, the writing surface (11) is through coarse processing.
2. a kind of protective film according to claim 1, which is characterized in that the flexible resin layer (1) and the laminating layer
(3) the first glue layer (5) are equipped between.
3. a kind of protective film according to claim 2, which is characterized in that the laminating layer (3) adsorbs glue-line for first certainly
(31)。
4. a kind of protective film according to claim 2, which is characterized in that the laminating layer (3) is in frame-type and is set to described
The side of flexible resin layer (1)；
The laminating layer (3) includes: the second glue layer (32) from top to bottom stacked gradually, substrate frame layer (33), the second self-priming
Attached glue-line (34).
5. a kind of protective film according to claim 1, which is characterized in that the coefficient of friction of the writing surface (11) is
0.05-1.0。
6. a kind of protective film according to claim 4, which is characterized in that the laminating layer (3) and first glue layer
(5) substrate layer (2) are additionally provided between；
The substrate layer (2) is high transparency optical thin film, and the substrate layer (2) includes but is not limited to pet, tac, pmma, pc
Optical thin film.
7. a kind of protective film according to claim 1, which is characterized in that the coarse processing mode of the writing surface (11) is
One or more of pressure roller, counterdie transfer, particle addition and two phase separation methods.
8. a kind of protective film according to claim 1, which is characterized in that the writing surface (11) is at co-continuous body sample
Reason.
9. a kind of protective film according to claim 1, which is characterized in that release film (4) side forms several use
In the tearing portion (15) for removing release film (4)；
The release film (4) is straight line easily tore film, and the release film (4) includes but is not limited to that straight line easily tears nylon membrane, and straight line is easy
Polyester film is torn, straight line easily tears polypropylene screen, and straight line easily tears pet film.
10. a kind of protective film according to claim 6, which is characterized in that the substrate layer (2) and second glue layer
(32) waterproof surge layer (14) are equipped between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335061.6A CN110041837A (en) | 2019-04-24 | 2019-04-24 | A kind of protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335061.6A CN110041837A (en) | 2019-04-24 | 2019-04-24 | A kind of protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110041837A true CN110041837A (en) | 2019-07-23 |
Family
ID=67279129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910335061.6A Pending CN110041837A (en) | 2019-04-24 | 2019-04-24 | A kind of protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110041837A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203063223U (en) * | 2012-09-26 | 2013-07-17 | 徐前和 | Screen protection film |
| CN203854278U (en) * | 2014-05-28 | 2014-10-01 | 上海工商信息学校 | Multifunctional cell phone protective film |
| CN108323163A (en) * | 2015-11-30 | 2018-07-24 | 阪东化学株式会社 | Surface protection film |
| CN108369463A (en) * | 2015-12-07 | 2018-08-03 | 大日本印刷株式会社 | The screening technique of touch panel pen writing sheet, touch panel, touch panel system, display device and touch panel pen writing sheet |
-
2019
- 2019-04-24 CN CN201910335061.6A patent/CN110041837A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203063223U (en) * | 2012-09-26 | 2013-07-17 | 徐前和 | Screen protection film |
| CN203854278U (en) * | 2014-05-28 | 2014-10-01 | 上海工商信息学校 | Multifunctional cell phone protective film |
| CN108323163A (en) * | 2015-11-30 | 2018-07-24 | 阪东化学株式会社 | Surface protection film |
| CN108369463A (en) * | 2015-12-07 | 2018-08-03 | 大日本印刷株式会社 | The screening technique of touch panel pen writing sheet, touch panel, touch panel system, display device and touch panel pen writing sheet |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190723 |