CN110126417A - A kind of flexible mobile phone is without folding line protective film and preparation method thereof - Google Patents
A kind of flexible mobile phone is without folding line protective film and preparation method thereof Download PDFInfo
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- CN110126417A CN110126417A CN201910437720.7A CN201910437720A CN110126417A CN 110126417 A CN110126417 A CN 110126417A CN 201910437720 A CN201910437720 A CN 201910437720A CN 110126417 A CN110126417 A CN 110126417A
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- film
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of flexible mobile phone without folding line protective film and preparation method thereof, and the protective film includes bending film area, progressive film area, panel attachment film area；The progressive film area is distributed in the two sides in bending film area, and panel attachment film area is distributed in the other side in bending film area；The bending film area, the thickness in progressive film area, panel attachment film area are consistent；The bending film area includes: PET film, main film, PET film；The progressive film area includes: PET film, TPU membrane, main film, PET film；The panel attachment area includes: PET film, and TPU membrane, PVA film, main film, PET film, the raw material of said primary membrane includes: PVA resin, bacteria cellulose, transparent silica gel, silver nanowires.
Description
Technical field
The invention belongs to field of membrane material, and in particular to a kind of flexible mobile phone is without folding line protective film and preparation method thereof.
Background technique
Present mobile phone has begun to flexible mobile phone, the trend developments such as double-sided screen.Flexible display substrates are with polyamides Asia
Has many advantages, such as height flexible plate material made of the materials such as amine or polyester film, with light-weight, thickness is thin.But
The barrier steam of body and the ability of oxygen are weaker, since OLED device is under the action of steam and oxygen, it may appear that corrosion and damage
The phenomenon that, therefore, barrier layer usually is added when making flexible base board, to prevent water oxygen to be diffused to OLED device direction.
However traditional safeguard film for cellular phone, extreme flexion, such as 180 ° of progress of present mobile phone are being carried out in face of mobile phone
When folding, there is use for a long time and have the problem of significantly folding trace and service life decline to a great extent.
Summary of the invention
The present invention provides a kind of flexible mobile phone without folding line protective film and preparation method thereof, the protective film of preparation, in flexible hand
When machine carries out bending and 180 ° of foldings, there is good protecting effect and service life, folding line will not be generated.
In order to achieve the above-mentioned object of the invention, The technical solution adopted by the invention is as follows:
A kind of flexible mobile phone is without folding line protective film, it is characterised in that: and the protective film includes bending film area, progressive film area,
Panel attachment film area；The progressive film area is distributed in the two sides in bending film area, and panel attachment film area is distributed in bending film area
The other side；The bending film area, the thickness in progressive film area, panel attachment film area are consistent；The bending film area includes:
PET film, main film, PET film；The progressive film area includes: PET film, TPU membrane, main film, PET film；The panel attachment area includes:
PET film, TPU membrane, PVA film, main film, PET film, the raw material of said primary membrane include: PVA resin, bacteria cellulose, transparent silica gel,
Silver nanowires；It is described bending film area main film the 60-80% with a thickness of protective film, the main film in the progressive film area with a thickness of
The 30-40% of protective film, the 10-20% with a thickness of protective film of the main film in panel attachment film area.
Further, the raw material of said primary membrane includes: 100 parts of PVA resin, 2-4 parts of bacteria cellulose, 6-8 parts
Transparent silica gel, 1-2 parts of silver nanowires.
Further, the width in the bending film area is 4-6 times of film thickness.
Further, the width in the progressive film area is 4-6 times of film thickness.
Further, the PET film with a thickness of 0.1-0.2mm.
A kind of preparation method of the flexible mobile phone without folding line protective film, includes the following steps:
(1) by PVA resin, bacteria cellulose, transparent silica gel, silver nanowires, solvent, the main film of formation after progress is fully dispersed
Slurry, it is spare；
(2) one layer of main film slurry is coated with by precision coating machine on the surface of PET film, after dry, then in panel attachment
It is coated with a floor PVA film in the regional scope in film area, continues to be coated with main film slurry in other regions, after dry, in panel attachment film
It is coated with a floor TPU membrane in the regional scope in area and progressive film area, is then coated with main film slurry in the regional scope in bending film area,
It is dry；
(3) one layer of PET film, winding are bonded on the surface for the film that step 2 is formed.
The beneficial effects of the present invention are:
(1) by multi-layer coated main film, ladder distribution is formed in protective film, by bending film area, progressive film area, panel
The main film of different-thickness is set in laminating film area, to make screen in extreme flexion, stress point and tensional state are distributed in curved
Folded film area, and buffered in progressive film area, to improve service life, and by the difference of thickness, improve
The space of recovery rate and elasticity, so that folding line will not be generated.
(2) raw material of main film includes: PVA resin, bacteria cellulose, transparent silica gel, silver nanowires, by thin in the present invention
There is the good limit to fold intensity for fungin, transparent silica gel, silver nanowires proportion, the transparent main lipid material material of formation, and
With very high elasticity, selfreparing effect is realized.
Detailed description of the invention
Fig. 1 is the positive schematic diagram of flexible mobile phone of the invention without folding line protective film.
Fig. 2 is that flexible mobile phone of the invention is intended to without the structure of folding line protective film.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate this hair
It is bright, rather than limit the scope of the invention.Under the premise of without departing substantially from technical solution of the invention, the present invention is made
Those of ordinary skill in the art's any change easy to accomplish fall within scope of the presently claimed invention.
Embodiment 1
Without folding line protective film, the protective film includes bending film area 6, progressive film area 7, panel attachment film for a kind of flexible mobile phone
Area 8；The progressive film area 7 is distributed in the two sides in bending film area 6, and panel attachment film area 8 is distributed in the another of bending film area 6
Side；The progressive film area 7, the thickness in panel attachment film area 8 are consistent；The bending film area 6 includes: PET film 1, main film 2,
PET film 1；The progressive film area 8 includes: PET film 1, TPU membrane 4, main film 2, PET film 1；The panel attachment area includes: PET film
1, TPU membrane 4, PVA film 5, main film 2, PET film 1.
The raw material of said primary membrane 2 includes: 100 parts of PVA resin, 3 parts of bacteria cellulose, 7 parts of transparent silica gel, and 1.5
The silver nanowires of part.
The film thickness of the protective film is 1mm；The width in the bending film area 6 is 5 times of film thickness.The progressive film area
Width be 5 times of film thickness.The PET film 1 with a thickness of 0.15mm；The main film 2 in the bending film area with a thickness of 0.75mm,
The main film 2 in the progressive film area 7 with a thickness of 0.35mm, TPU membrane 4 with a thickness of 0.35mm, the master in panel attachment film area 8
The 0.15mm with a thickness of protective film of film 2, TPU membrane 4 with a thickness of 0.35mm, PVA film 5 with a thickness of 0.2mm.
A kind of preparation method of the flexible mobile phone without folding line protective film, includes the following steps:
(1) by PVA resin, bacteria cellulose, transparent silica gel, silver nanowires, solvent, the main film of formation after progress is fully dispersed
Slurry, it is spare；
(2) one layer of main film slurry is coated with by precision coating machine on the surface of PET film 1, after dry, then in panel attachment
It is coated with a floor PVA film in the regional scope in film area 8, continues to be coated with main film slurry in other regions, after dry, in panel attachment film
It is coated with a floor TPU membrane in the regional scope in area 8 and progressive film area 7, main film slurry is then coated in the regional scope in bending film area 6
Material, it is dry；
(3) one layer of PET film 1, winding are bonded on the surface for the film that step 2 is formed.
Embodiment 2
It is same as Example 1, in addition to the raw material of said primary membrane 2 includes: 100 parts of PVA resin, 2 parts of bacteria cellulose,
8 parts of transparent silica gel, 1 part of silver nanowires.
Embodiment 3
It is same as Example 1, in addition to the raw material of said primary membrane 2 includes: 100 parts of PVA resin, 4 parts of bacteria cellulose,
6 parts of transparent silica gel, 2 parts of silver nanowires.
Comparative example 1
It is same as Example 1, in addition to not adding bacteria cellulose, transparent silica gel, silver nanowires in main film 2.
Comparative example 2
It is same as Example 1, in addition to not adding bacteria cellulose in main film 2.
Comparative example 3
It is same as Example 1, in addition to not adding transparent silica gel in main film 2.
Comparative example 4
It is same as Example 1, in addition in addition to not adding silver nanowires in main film 2.
Comparative example 5
Protective film be non-ladder distribution, comprising: PET film 1 with a thickness of 0.15mm；Main film 2 with a thickness of protective film
0.15mm, TPU membrane 4 with a thickness of 0.35mm, PVA film 5 with a thickness of 0.2mm.
Comparative example 6
It is same as Example 1, in addition to being not provided with progressive film area 7.
Comparative example 7
Using commercially available Mobile phone film.
The product of embodiment and comparative example is fitted on two blocks of resin glass plates, the gap of glass plate is directed at bending
The centre in film area 6 carries out folding test, and number is 10,000 times, folds 180 ° every time.It tears it down and has seen whether residual.
Table 1
Claims (6)
1. a kind of flexible mobile phone is without folding line protective film, it is characterised in that: the protective film includes bending film area (6), progressive film area
(7), panel attachment film area (8)；The progressive film area (7) is distributed in the two sides of bending film area (6), panel attachment film area
(8) it is distributed in the other side of bending film area (6)；The bending film area (6), progressive film area (7), the thickness in panel attachment film area (8)
Degree is consistent；The bending film area (6) includes: PET film (1), main film (2), PET film (1)；The progressive film area (8) includes:
PET film (1), TPU membrane (4), main film (2), PET film (1)；The panel attachment area includes: PET film (1), TPU membrane (4), PVA film
(5), main film (2), PET film (1), the raw material of said primary membrane (2) include: PVA resin, bacteria cellulose, transparent silica gel, silver nanoparticle
Line；The 60-80% with a thickness of protective film of the main film (2) in the bending film area, the thickness of the main film (2) of the progressive film area (7)
Degree is the 30-40%, the 10-20% with a thickness of protective film of the main film (2) in panel attachment film area (8) of protective film.
2. flexible mobile phone according to claim 1 is without folding line protective film, it is characterised in that: the raw material packet of said primary membrane (2)
It includes: 100 parts of PVA resin, 2-4 parts of bacteria cellulose, 6-8 parts of transparent silica gel, 1-2 parts of silver nanowires.
3. flexible mobile phone according to claim 1 is without folding line protective film, it is characterised in that: the width of bending film area (6)
Degree is 4-6 times of film thickness.
4. flexible mobile phone according to claim 1 is without folding line protective film, it is characterised in that: the width in the progressive film area
Degree is 4-6 times of film thickness.
5. flexible mobile phone according to claim 1 is without folding line protective film, it is characterised in that: the PET film (1) with a thickness of
0.1-0.2mm。
6. a kind of preparation method of flexible mobile phone without folding line protective film, it is characterised in that include the following steps:
(1) by PVA resin, bacteria cellulose, transparent silica gel, silver nanowires, solvent, the main film slurry of formation after progress is fully dispersed
Material, it is spare；
(2) one layer of main film slurry is coated with by precision coating machine on the surface of PET film (1), after dry, then in panel attachment film
It is coated with a floor PVA film in the regional scope in area (8), continues to be coated with main film slurry in other regions, after dry, in panel attachment film
A floor TPU membrane is coated in the regional scope in area (8) and progressive film area (7), the then coating in the regional scope of bending film area (6)
Main film slurry, it is dry；
(3) one layer of PET film (1), winding are bonded on the surface for the film that step 2 is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437720.7A CN110126417B (en) | 2019-05-24 | 2019-05-24 | Crease-free protective film for flexible mobile phone and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437720.7A CN110126417B (en) | 2019-05-24 | 2019-05-24 | Crease-free protective film for flexible mobile phone and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110126417A true CN110126417A (en) | 2019-08-16 |
| CN110126417B CN110126417B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910437720.7A Active CN110126417B (en) | 2019-05-24 | 2019-05-24 | Crease-free protective film for flexible mobile phone and preparation method thereof |
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| Country | Link |
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| CN (1) | CN110126417B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257019A (en) * | 2022-06-07 | 2022-11-01 | 江苏民扬塑胶科技有限公司 | High-strength PET composite board and processing technology thereof |
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| CN101948597A (en) * | 2010-09-03 | 2011-01-19 | 东华大学 | Method for preparing bacterial cellulose/polyvinyl alcohol composite membrane by wet process |
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| CN102660049A (en) * | 2012-04-25 | 2012-09-12 | 东华大学 | Method and device for preparing temperature-induced reversible color-changing bacterial cellulose composite membrane |
| CN103217727A (en) * | 2013-04-15 | 2013-07-24 | 东华大学 | Bacterial cellulose base optical thin film and preparation method thereof |
| CN109232992A (en) * | 2018-08-15 | 2019-01-18 | 成都新柯力化工科技有限公司 | A kind of antibacterial laminated film and preparation method for electronic skin |
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2019
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|---|---|---|---|---|
| CN1612801A (en) * | 2000-12-28 | 2005-05-04 | 金伯利-克拉克环球有限公司 | Flexible laminate structures having enclosed discrete regions of a material |
| US20050037082A1 (en) * | 2003-08-13 | 2005-02-17 | Wan-Kei Wan | Poly(vinyl alcohol)-bacterial cellulose nanocomposite |
| CN102264821A (en) * | 2008-12-26 | 2011-11-30 | 花王株式会社 | Gas-barrier material, gas-barrier molded article, and method for producing the gas-barrier molded article |
| CN101948597A (en) * | 2010-09-03 | 2011-01-19 | 东华大学 | Method for preparing bacterial cellulose/polyvinyl alcohol composite membrane by wet process |
| CN102660049A (en) * | 2012-04-25 | 2012-09-12 | 东华大学 | Method and device for preparing temperature-induced reversible color-changing bacterial cellulose composite membrane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257019A (en) * | 2022-06-07 | 2022-11-01 | 江苏民扬塑胶科技有限公司 | High-strength PET composite board and processing technology thereof |
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| CN110126417B (en) | 2023-10-24 |
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