CN209098558U - A kind of hot bending protective film - Google Patents
A kind of hot bending protective film Download PDFInfo
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- CN209098558U CN209098558U CN201821495560.9U CN201821495560U CN209098558U CN 209098558 U CN209098558 U CN 209098558U CN 201821495560 U CN201821495560 U CN 201821495560U CN 209098558 U CN209098558 U CN 209098558U
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- hot bending
- protective film
- pet
- silica gel
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Abstract
The utility model discloses a kind of hot bending protective films, successively include protective layer, hardened layer, TPU layer, acrylate glue water layer or layer of silica gel, pet layer, acrylate glue water layer or layer of silica gel, release film.The hot bending protective film has both hot bending and hardens scratch resistant performance; inside set TPU layer; have many advantages, such as that hardness range is wide, high mechanical strength, cold resistance are strong, oil resistant, water-fast, resistance to mould, processing performance are good; convenient for the production of the techniques such as injection molding, extrusion, calendering; UV hardened layer is inside set, has many advantages, such as that hardened layer hardness is big, wearability is good, transparency is good；Pet layer provides materials for support for hot bending performance, and the heat distortion temperature and long-term use temperature of PET is highest in thermoplasticity general engineering plastic, but be it is cheapest in engineering plastics, be easy to save cost.
Description
Technical field
The utility model relates to safeguard film for cellular phone technical field, specifically a kind of hot bending protective film.
Background technique
PET protection film is one of most common protective film in modern production life.Common PET protects membrane coat one on the market
As use silica gel or acrylic glue, easily occur problems in use: first, common protective film chemical property is unstable
It is fixed, be easily deformed under hot environment, using a period of time with back edge can wing rise, make protective film and by between protection product because gluing
It pastes insecure and falls off；Second, protective film cohesive force is unstable, and temperature and humidity changes bigger, easier degumming, this problem
It is embodied on profile protective film at most, when protective film tears it down from Surface of profile, protecting the viscose glue of film surface, there is no shell
From, but remain in Surface of profile, seriously affect the beauty and use of product.
Prior art CN204977680U discloses a kind of protective film, including surface PET base material, PU glue-line, hardening coat,
Intermediate PET base material, PU glue mixing antistatic coating, peeling layer；Hardening is respectively coated in the top and bottom of the intermediate PET base material
Coating and PU glue mixing antistatic coating, surface PET base material are viscous by the hardening coat of PU glue-line and intermediate PET base material top surface
Patch, peeling layer are pasted on the PU glue mixing antistatic coating of intermediate PET base material bottom surface.Since the technology is using the saturating of optical grade
For the high environment friendly PET film thoroughly of luminosity as surface PET base material and intermediate PET base material, coating is steady with good dispersiveness and well
Qualitative high-performance water-based polyurethane adhesive (forming PU glue-line), the back side is bonded functionality peeling layer made of release film, tool
There is low adhesion strength, and can be bonded for a long time, and is after its removal not in degumming phenomenon.The protective film advantageous feature is to have low
Adhesion strength, and being bonded for a long time, and be after its removal not in degumming, but it is bad and realize heat not have anti-scratch, intensity
Curved function.
Utility model content
Aiming at the problem that existing protective film cannot have both hardening protection and hot bending performance, propose that heat both may be implemented in one kind
It is curved, and the protective film with the products such as some strength structure and energy quick-binding glass.
A kind of hot bending protective film, protective layer, hardened layer, TPU layer, acrylate glue water layer or silicon including successively adhering to fitting
Glue-line, pet layer, acrylate glue water layer or layer of silica gel, release film；The protective layer close adhesion is in the hardened layer, the TPU
Layer is closely attached to the hardened layer, and the acrylate glue water layer or layer of silica gel close adhesion are attached in the pet layer two sides
The release film.
Further, the protective layer material is PE or PP.
Further, the hardening layer material is UV coating, with a thickness of 1-5 μm.
Further, the TPU layer is with a thickness of 20-60 μm；The pet layer is with a thickness of 25-100 μm；The acrylate glue
Water layer or layer of silica gel are with a thickness of 10-30 μm；The release membrane material is PP or PE, with a thickness of 25-100 μm.
The utility model has the beneficial effects that having both hot bending and hardening scratch resistant performance, TPU layer is inside set, there is hardness range
Extensively, high mechanical strength, cold resistance is strong, oil resistant, water-fast, resistance to mould, the advantages that processing performance is good, convenient for injection molding, squeezes out, calendering etc.
Technique production, inside sets UV hardened layer, has many advantages, such as that hardened layer hardness is big, wearability is good, transparency is good；Pet layer is hot bending
Materials for support can be provided, the heat distortion temperature and long-term use temperature of PET is highest in thermoplasticity general engineering plastic, and is
It is cheapest in engineering plastics, it is easy to save cost, it is convenient and practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hot bending protective film.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
A kind of hot bending protective film, protective layer 1, hardened layer 2, TPU layer 3, acrylate glue water layer including successively adhering to fitting
Or layer of silica gel 4, pet layer 5, acrylate glue water layer or layer of silica gel 6, release film 7；The protective layer close adhesion is in the hardening
Layer, the TPU layer are closely attached to the hardened layer, and the acrylate glue water layer or layer of silica gel close adhesion are in the pet layer
Two sides are attached at the release film.
The protective layer material is PE or PP, and close adhesion is in the hardening layer surface.
The hardening layer material is UV coating, with a thickness of 1-5 μm.
The TPU layer is the enhancement layer of protective film, and close adhesion is in the hardening layer surface, with a thickness of 20-60 μm.
The pet layer is with a thickness of 25-100 μm.
The acrylate glue water layer or layer of silica gel close adhesion are attached in the pet layer two sides with a thickness of 10-30 μm
The release film.
The release membrane material is PP or PE, with a thickness of 25-100 μm.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of hot bending protective film, it is characterised in that: successively include protective layer, hardened layer, TPU layer, acrylate glue water layer or silicon
Glue-line, pet layer, acrylate glue water layer or layer of silica gel, release film；The protective layer close adhesion is in the hardened layer, the TPU
Layer is closely attached to the hardened layer, and the acrylate glue water layer or layer of silica gel close adhesion are attached in the pet layer two sides
The release film.
2. hot bending protective film according to claim 1, it is characterised in that: the protective layer material is PE or PP.
3. hot bending protective film according to claim 1, it is characterised in that: the hardening layer material is UV coating, with a thickness of
1-5μm。
4. hot bending protective film according to claim 1, it is characterised in that: the TPU layer is with a thickness of 20-60 μm.
5. hot bending protective film according to claim 1, it is characterised in that: the pet layer is with a thickness of 25-100 μm.
6. hot bending protective film according to claim 1, it is characterised in that: the acrylate glue water layer or layer of silica gel with a thickness of
10-30μm。
7. hot bending protective film according to claim 1, it is characterised in that: the release membrane material is PP or PE, with a thickness of
25-100μm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821495560.9U CN209098558U (en) | 2018-09-13 | 2018-09-13 | A kind of hot bending protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821495560.9U CN209098558U (en) | 2018-09-13 | 2018-09-13 | A kind of hot bending protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209098558U true CN209098558U (en) | 2019-07-12 |
Family
ID=67152540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821495560.9U Active CN209098558U (en) | 2018-09-13 | 2018-09-13 | A kind of hot bending protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209098558U (en) |
-
2018
- 2018-09-13 CN CN201821495560.9U patent/CN209098558U/en active Active
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