CN106905878A - A kind of high temperature resistant diaphragm and preparation method thereof - Google Patents
A kind of high temperature resistant diaphragm and preparation method thereof Download PDFInfo
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- CN106905878A CN106905878A CN201710229565.0A CN201710229565A CN106905878A CN 106905878 A CN106905878 A CN 106905878A CN 201710229565 A CN201710229565 A CN 201710229565A CN 106905878 A CN106905878 A CN 106905878A
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- high temperature
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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
- C09J7/22—Plastics; Metallised plastics
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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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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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
- 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
-
- 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
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
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Abstract
This application provides a kind of high temperature resistant diaphragm and preparation method thereof, the diaphragm includes：High temperature resistant functional layer；The high temperature resistant functional layer is modified acrylic ester resin layer, and hardness is 2~3H；It is compounded in the substrate layer in the high temperature resistant functional layer；It is compounded in the high temperature resistant adhesive-layer on the substrate layer；The high temperature resistant adhesive-layer is acrylic compounds adhesive-layer or polyurethanes adhesive-layer；It is compounded in the peel ply on the high temperature resistant adhesive-layer.The present invention is compounded with specific high-temperature-resistant layer on base material two sides, solves the problems, good product quality such as ITO processing procedure diaphragms warpage, hair mist, cull.Also, the high temperature resistant functional layer not only has resistant to elevated temperatures function in the present invention, and with hardness higher, hardness is 2~3H, and the function with anti-scratch can be reused diaphragm, increase operation rate.
Description
Technical field
The application is related to touch-screen (TP) protection technique field, more particularly to a kind of high temperature resistant diaphragm and its preparation side
Method, relates generally to a kind of for ITO processing procedures or the high temperature resistant diaphragm of FCCL processing procedures.
Background technology
With the development of flexible screen (OLED, OLED) technology, indium and tin oxide film ITO FILM are wide
General application.Need to carry out high-temperature process in its manufacturing procedure, its non-working surface need to be entered with one layer of resistant to elevated temperatures diaphragm
Row is protected to prevent plowing from and pollute.
Such diaphragm common in the market is generally divided into two kinds, and one kind is the glue coating on polyester film；Separately
One kind is to add stickum to carry viscosity by it in the film productions such as polypropylene, but general this kind of product has a defect,
Certain cull is exactly had after high-temperature baking to be bonded on ITO FILM, has a strong impact on product yield.Therefore, conventional protection
Film, by one or more in the problems such as after 90min, all occurring warpage, hair mist, cull substantially, causes tight at 150 DEG C
Ghost image rings product quality and finished product yield.
The content of the invention
In view of this, the application provides a kind of high temperature resistant diaphragm and preparation method thereof, and the high temperature resistant that the application is provided is protected
Cuticula can as far as possible avoid warpage, hair mist and cull problem at high temperature, while there is hardness higher, can anti-scratch.
The present invention provides a kind of high temperature resistant diaphragm, and it includes：
High temperature resistant functional layer；The high temperature resistant functional layer is modified acrylic ester resin layer, and hardness is 2~3H；
It is compounded in the substrate layer in the high temperature resistant functional layer；
It is compounded in the high temperature resistant adhesive-layer on the substrate layer；The high temperature resistant adhesive-layer is acrylic compounds adhesive-layer or poly-
Urethane class adhesive-layer；
It is compounded in the peel ply on the high temperature resistant adhesive-layer.
Preferably, modified acrylic ester resin is selected from polyester acrylate, polyoxyalkylene acrylate in the high temperature resistant functional layer
One or more in ester, urethane acrylate and epoxy acrylate.
Preferably, the thickness ratio of the high temperature resistant functional layer, substrate layer and high temperature resistant adhesive-layer is (0.5~10 μm)：(20
~200 μm)：(5~50 μm).
Preferably, the high temperature resistant adhesive-layer is polyurethanes adhesive-layer.
Preferably, the substrate layer is selected from polyester layer, polypropylene layer or polyvinyl chloride layer.
Preferably, the peel ply is mould release membrance or polyester film.The mould release membrance is preferably silicone oil mould release membrance or fluorine modeling
Mould release membrance.
Preferably, the thickness of the peel ply is 20~100 μm.
The present invention provides a kind of preparation method of high temperature resistant diaphragm, comprises the following steps：
In any coated on one side modified acrylic ester resin solution of base material, the high temperature resistant that hardness is 2~3H is solidify to form
Functional layer；Acrylic compounds or polyurethanes viscose solution are coated with the another side of the base material, high temperature resistant adhesive-layer is solidify to form；
Peel ply is combined on the high temperature resistant adhesive-layer, high temperature resistant diaphragm is obtained.
Preferably, the mode of the coating modified acrylic ester resin solution is micro- gravure roller coating.
Preferably, the mode for solidifying to form the high temperature resistant functional layer that hardness is 2~3H is photocuring or light hot mixing
Solidification.
Preferably, it is described to solidify to form the high temperature resistant functional layer that hardness is 2~3H and specifically include：Removed by 40~100 DEG C
Solvent is removed, then by 300~2000mJ/cm2The UV lamp solidification of energy, obtains high temperature resistant functional layer.
High temperature resistant diaphragm product structure of the present invention is followed successively by：High temperature resistant functional layer, substrate layer, high temperature resistant adhesive-layer
And peel ply.Common substrate such as PET can shrink, recrystallize at high temperature, and compared with prior art, the present invention is multiple on its two sides
Conjunction has specific high-temperature-resistant layer, can effectively prevent gas in the contained trace impurity absorption air inside the film layers such as PET and
Moisture, it is to avoid the small molecule that common substrate interior section is not polymerized completely is regrouped and crystallization, and then prevents this
A series of deformation and optical property change caused by class chemical reaction, solve ITO processing procedure diaphragms warpage, hair mist, cull etc.
Problem.Also, the high temperature resistant functional layer not only has resistant to elevated temperatures function in the present invention, and with hardness higher, hardness
It is 2~3H, the function with anti-scratch can reuse diaphragm, increase operation rate.
Brief description of the drawings
The structural representation of the high temperature resistant diaphragm that Fig. 1 is provided for the embodiment of the present application.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on
Embodiment in the application, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of the application protection.
This application provides a kind of high temperature resistant diaphragm, it includes：
High temperature resistant functional layer；The high temperature resistant functional layer is modified acrylic ester resin layer, and hardness is 2~3H；
It is compounded in the substrate layer in the high temperature resistant functional layer；
It is compounded in the high temperature resistant adhesive-layer on the substrate layer；The high temperature resistant adhesive-layer is acrylic compounds adhesive-layer or poly-
Urethane class adhesive-layer；
It is compounded in the peel ply on the high temperature resistant adhesive-layer.
The high temperature resistant diaphragm that the present invention is provided can solve the problems, such as the warpage of ITO processing procedure films, hair mist, cull, also increase anti-
Function is scratched, can be reused, increased operation rate.
Referring to Fig. 1, the structural representation of the high temperature resistant diaphragm that Fig. 1 is provided for the embodiment of the present application.The embodiment of the present invention
Product structure is followed successively by from top to bottom：High temperature resistant functional layer 1, base material 2, high temperature resistant adhesive-layer 3, peel ply 4.
Wherein, the thickness of described high temperature resistant functional layer 1 can be 0.5 μm -10 μm, more preferably preferably 2 μm -8 μm, 3 μ
m-5μm.The high temperature resistant functional layer is modified acrylic ester resin layer, and wherein main component modified acrylic ester resin preferably is selected from
One or more in polyester acrylate, polyether acrylate, urethane acrylate and epoxy acrylate；I.e. its is main
Composition is appointing for the high molecular polymers such as polyester acrylate, polyether acrylate, urethane acrylate, epoxy acrylate
One or more mixing of meaning.The high temperature resistant functional layer not only has resistant to elevated temperatures function, and also with hardness higher, hardness can be with
2~3H is reached, the function with anti-scratch.In some embodiments of the present application, that high temperature resistant functional layer is taken is Rui Zhoushu
19698 glue of fat (Dongguan) Co., Ltd, the glue main component is modified acrylic ester resin, and itself solid content is 98
± 2wt%.
In the embodiment of the present application, the thickness of described base material (layer) 2 can be 20 μm -200 μm, preferably 50 μm -150 μ
M, more preferably 80 μm -100 μm.The high temperature resistant functional layer is compounded in any one side of base material；The high temperature resistant functional layer
Thickness ratio with substrate layer is preferably (0.5~10 μm)：(20~200 μm).In some embodiments of the present application, the base material
Layer preferably be selected from polyester layer, polypropylene (PP) layer or polyvinyl chloride (PVC) layer, can for PET (polyethylene terephthalate),
Any one in PP, CPP, BOPP, PVC material, specifically frequently with PET, routine PP as base material, more preferably PET.Its
In, CPP films are cast polypropylene film (cast polypropylene), can also claim un-stretched polypropylene film.BOPP is
The abbreviation of " Biaxially Oriented Polypropylene ", i.e. bidirectional stretching polypropylene film.In the specific of the application
In embodiment, substrate layer spins the A4300 base materials of 100 μ m thicks for Japanese Japan of toray chemical company.
In the embodiment of the present application, the thickness of described high temperature resistant adhesive-layer 3 can be 5-50 μm, preferably 10-40 μm, more
Preferably 10-20 μm.The high temperature resistant adhesive-layer has viscosity, and relative to high temperature resistant functional layer, it is compounded in the another of base material
On face.The present invention is in base material two sides complex fire resistant layers, it is possible to resolve the problem such as ITO processing procedure diaphragms warpage, hair mist, cull,
Be conducive to protecting the yield of film outward appearance, product quality and ITO FILM.
In embodiments herein, the thickness ratio of the high temperature resistant functional layer, substrate layer and high temperature resistant adhesive-layer can be
(0.5~10 μm)：(20~200 μm)：(5~50 μm).The main component of the high temperature resistant adhesive-layer is resin pressure sensitive adhesive, can
Think any one of acrylic compounds, polyurethanes.The high temperature resistant adhesive-layer is acrylic compounds adhesive-layer or polyurethane (PU)
Class adhesive-layer, more preferably polyurethanes adhesive-layer.In the specific embodiment of the application, what high temperature resistant adhesive-layer was taken is deep
The industrial Electronics Co., Ltd. SY1802 glue of Zhen Shi still skills, it is double-component fire resistant six functional groups polyurethane PU resin, is divided into A
Agent (65wt% contains admittedly) and B agent (75wt% contains admittedly).
In the embodiment of the present application, described peel ply 4 is compounded on high temperature resistant adhesive-layer, and it can be mould release membrance or general
Logical polyester film.Mould release membrance also known as stripping film, barrier film, seperation film etc., under normal circumstances in order to increase the release of plastic sheeting
Power, can do plasma treatment or apply fluorine processing or applying silicon (silicone) mould release in the top layer of film material by plastic sheeting
On, such as PET, PP allow it to show extremely light and stabilization off-type force for a variety of organic pressure sensitive adhesives.At this
In the preferred embodiment of application, the peel ply is mould release membrance；Mould release membrance can be again silicone oil mould release membrance, fluorine modeling mould release membrance, non-
Any one in silicon mould release membrance.The thickness of herein described peel ply can be 20-100 μm, such as 50 μm；Off-type force is 5-15gf
.
A kind of preparation method of high temperature resistant diaphragm is the embodiment of the invention provides, is comprised the following steps：
In any coated on one side modified acrylic ester resin solution of base material, the high temperature resistant that hardness is 2~3H is solidify to form
Functional layer；Acrylic compounds or polyurethanes viscose solution are coated with the another side of the base material, high temperature resistant adhesive-layer is solidify to form；
Peel ply is combined on the high temperature resistant adhesive-layer, high temperature resistant diaphragm is obtained.
The present invention can prepare resistant to elevated temperatures diaphragm, can solve the problems, such as warpage, hair mist, the cull of ITO processing procedure films,
Increase anti-scratch function simultaneously, can reuse, increase operation rate.
The embodiment of the present invention can solidify shape in any coated on one side modified acrylic ester resin solution of base material 2 on base material
Into high temperature resistant functional layer 1.The functional layer energy high temperature resistant, and with Wear-resistant scratch-resistant function, can guarantee that diaphragm is reused.
In this application, the content of the base material and modified acrylic ester resin is as previously described；Described modified acroleic acid
Ester resin solution is glue form commonly used in the art, and it is 2~3H, certain thickness high temperature resistant work(that can solidify to form hardness
Ergosphere.The coating is technological means well known to those skilled in the art；The coating method of the functional layer can be roller coat, spray
Micro- gravure roller coating in painting, dip-coating, intaglio plate coating, preferably roller coat, can make coating smooth, uniform, and reliability is high.The application reality
When applying example using micro- gravure roller coating, the diameter of nick roller can be 20-125mm, and the screen ruling of nick roller can be 50-300LPI,
Mesh volume is 2-10BCM；Also, mesh, axially in 20 ° of -70 ° of engravings, is preferably carved along nick roller in 45 °.The application reality
Example micro- gravure roller coating for convenience is applied, modified acrylic ester resin solution 30~40wt% can be diluted to and contained admittedly；The dilution
Carried out according to common process using solvent commonly used in the art.
In addition, the curing mode of the functional layer can be light solid, thermosetting, photo-thermal it is mixing cured in any one, preferably
Photocuring or photo-thermal are mixed solid, more preferably specifically include：By the solvent in its glue-line that first volatilized at 40-100 DEG C, then by 300-
2000mJ/cm2Uviol lamp (the UV lamp such as high-pressure sodium lamp) solidification of energy, obtains high temperature resistant functional layer.The wherein wavelength of uviol lamp
It is preferred that UVA sections of wavelength, wave-length coverage is 320nm~420nm.The application does not have special limit to the time of above-mentioned ultraviolet light polymerization
System；There is relation the time with start meter Su, the width of lamp, as long as corresponding UV energy can be absorbed, glue can just solidify.This Shen
Please preferably by ultraviolet light polymerization, simple to operate, effect is good.
The embodiment of the present application is coated with high temperature resistant viscose solution such as acrylic compounds, polyurethanes in the another side of base material 2, in base
Described high temperature resistant adhesive-layer 3 is solidify to form on material.The application does not have special limit to the sequencing of above-mentioned coating twice, solidification
Make, that is, high temperature resistant functional layer can be initially formed and re-form high temperature resistant adhesive-layer, vice versa.
In this application, described high temperature resistant viscose solution is glue form well known in the art, its main component etc.
Content is as previously described.The application obtains described high temperature resistant adhesive-layer 3, and its coating method can be applied for scraper for coating, slit
Any one in cloth, the application is not particularly limited；Its curing mode is preferably heat cure.In some embodiments of the present application
In, the thermosetting is turned at 90-170 DEG C of temperature range, preferably 120~150 DEG C, bakes 30s-120s；Can be according to temperature and coating
Thickness determines baking time.
After after the completion of cure of high temperature resistant adhesive-layer 3, the embodiment of the present application is covered with described peel ply 4 on its surface, obtains
Described high temperature resistant diaphragm product.The content of the peel ply is as it was previously stated, will not be repeated here.
After obtaining diaphragm product, the present invention is detected to its performance.Result shows that the present invention solves ITO processing procedures
The problems, good product quality such as diaphragm warpage, hair mist, cull.Also, function of the present invention with anti-scratch, can make protection
Film is reused, and is increased operation rate.Additionally, preparation method is simple of the present invention is easy, it is suitable to promote.
In order to further illustrate the application, a kind of high temperature resistant diaphragm for being provided the application with reference to embodiment and its
Preparation method is described in detail, but they can not be interpreted as the restriction to the application protection domain.
In with the following example and comparative example, base material used is that 100 μ m thicks spin in Japanese Japan of the beautiful chemistry in east
A4300 base materials；What high temperature resistant functional layer was taken is 19698 glue of Ruizhou resin (Dongguan) Co., Ltd, the glue it is main into
It is divided into modified acrylic ester resin, itself solid content is 98 ± 2%；What the high temperature resistant adhesive-layer in embodiment was taken is Shenzhen
The industrial Electronics Co., Ltd. SY1802 glue of city's still skill, it is double-component fire resistant six functional groups polyurethane PU resin, is divided into A agent
(65% contains admittedly) and B agent (75% contains admittedly).
Micro- gravure roller coating is used for convenience, and 19698 glue are diluted into 33% contains admittedly, takes 19698 glue of 100 weight portions
Water, then the ethyl acetate of 100 weight portions, the toluene of 100 weight portions are taken, after they are fully stirred evenly, carry out subsequent technique；Separately
Outward, SY1802-A agent：B agent=100:8 mass ratioes, subsequent technique is carried out after stirring evenly.
In order to contrast, alternative German wacker chemicals high-temperature resistant organic silicon resin HK46 glue as a comparison.
Embodiment 1：
1st, the base material of 100 μ m thicks is taken, simultaneously (mesh is along nick roller axially in 45 ° of carvings by micro- gravure roller coating at it
Carve) 5 μm of thickness, 19698 glue after dilution, after baking 60s at 100 DEG C, then be that 365nm, energy are by dominant wavelength
500mJ/cm2High voltage mercury lamp radiation solidifies, and obtains described high temperature resistant functional layer.
2nd, in the base material SY1802 glue that one side passes through 20 μm of scraper for coating thickness in addition, after baking 90s at 130 DEG C,
The silicone oil mould release membrance (off-type force is the commercially available prod of 5-15gf) of 50 μm of a layer thickness is covered with, product one is obtained.
Comparative example 1：
1st, the base material of 100 μ m thicks is taken, at it simultaneously by 19698 glue after 5 μm of micro- gravure roller coating thickness, dilution,
After 60s is baked at 100 DEG C, then it is that 365nm, energy are 500mJ/cm by dominant wavelength2High voltage mercury lamp radiation solidifies, and obtains resistance to height
Temperature function layer.
2nd, in the base material HK46 glue that one side passes through 20 μm of scraper for coating thickness in addition, after baking 90s at 130 DEG C, cover
The fluorine modeling mould release membrance that 50 μm of last layer thickness, obtains product two.
Comparative example 2：
The base material of 100 μ m thicks is taken, at it simultaneously by the SY1802 glue of 20 μm of scraper for coating thickness, at 130 DEG C
After roasting 90s, the silicone oil mould release membrance of 50 μm of a layer thickness is covered with, obtains product three.
Comparative example 3：
Take the base material of 100 μ m thicks, its simultaneously by 5 μm of micro- gravure roller coating thickness, dilution after 19698 glue,
At 100 DEG C bake 60s after, then by dominant wavelength be 365nm, energy be 500mJ/cm2High voltage mercury lamp radiation, obtains product four.
Embodiment 2：
1st, the base material of 100 μ m thicks is taken, at it simultaneously by 19698 glue after 3 μm of micro- gravure roller coating thickness, dilution,
After 60s is baked at 100 DEG C, then it is that 365nm, energy are 500mJ/cm by dominant wavelength2High voltage mercury lamp radiation solidifies, and obtains described
High temperature resistant functional layer.
2nd, in the base material SY1802 glue that one side passes through 10 μm of scraper for coating thickness in addition, after baking 90s at 130 DEG C,
The silicone oil mould release membrance of 50 μm of a layer thickness is covered with, product five is obtained.
Embodiment 3：
By above-mentioned 5 sections of products and 100 μ m thick PET former materials, (Dongguan City east is the polyester of Electron Material Co., Ltd
It is film, identical with above-mentioned base material), 400mm*400mm sizes are respectively taken, to tear off and be attached to ITO FILM after peel ply (Dongguan City is newly friendly
Dimension adhesive article Co., Ltd UW-160125SF ITO) on, and tear off be placed directly in 150 DEG C after peel ply at toast
90min, detects correlated performance, and as a result as shown in table 1, table 1 is the results of property of embodiment and comparative example gained diaphragm product.
Wherein, printing opacity mist degree, hardness, the specific test of peeling force is carried out according to GB.Printing opacity, mist degree GB：GB/
The measure of T2410-2008 transparent plastics light transmittance and mist degree；Hardness GB：ASTM D3363-2005 pencils test hardness of paint film
Method；Peeling force：The test method of GB/T 2792-2014 adhesive tape peel strengths.
The results of property of the embodiment of table 1 and comparative example gained diaphragm product
| Warpage | Mist degree before roasting | Mist degree after roasting | Peeling force | Whether there is cull | Hardness | |
| Product one | 0.5cm | 0.4% | 0.5% | 10gf/25mm | Nothing | 3H |
| Product two | 0.5cm | 0.18% | 8.95% | 15gf/25mm | Nothing | 3H |
| Product three | 8cm | 0.3% | 12.5% | / | Nothing | 0H |
| Product four | 3cm | 0.3% | 15% | / | / | 4H |
| Former material | 1cm | 0% | 9% | / | / | 0H |
| Product five | 0.3cm | 0.3% | 0.6% | 8gf/25cm | Nothing | 2H |
As shown in Table 1, base material does not have the anti-hair fog effect of high temperature resistant in itself, and the present invention is combined specific on base material two sides
High-temperature-resistant layer, gained high temperature resistant diaphragm can as far as possible avoid warpage, hair mist and cull problem at high temperature, while having higher
Hardness, can anti-scratch.
Claims (10)
1. a kind of high temperature resistant diaphragm, it is characterised in that including：
High temperature resistant functional layer；The high temperature resistant functional layer is modified acrylic ester resin layer, and hardness is 2~3H；
It is compounded in the substrate layer in the high temperature resistant functional layer；
It is compounded in the high temperature resistant adhesive-layer on the substrate layer；The high temperature resistant adhesive-layer is acrylic compounds adhesive-layer or polyurethane
Class adhesive-layer；
It is compounded in the peel ply on the high temperature resistant adhesive-layer.
2. high temperature resistant diaphragm according to claim 1, it is characterised in that modified acroleic acid in the high temperature resistant functional layer
Ester resin is selected from the one kind or many in polyester acrylate, polyether acrylate, urethane acrylate and epoxy acrylate
Kind.
3. high temperature resistant diaphragm according to claim 1, it is characterised in that the high temperature resistant functional layer, substrate layer and resistance to
The thickness ratio of high-temperature glue layer is (0.5~10 μm)：(20~200 μm)：(5~50 μm).
4. the high temperature resistant diaphragm according to any one of claims 1 to 3, it is characterised in that the substrate layer is selected from polyester
Layer, polypropylene layer or polyvinyl chloride layer.
5. the high temperature resistant diaphragm according to any one of claims 1 to 3, it is characterised in that the peel ply is mould release membrance
Or polyester film.
6. high temperature resistant diaphragm according to claim 5, it is characterised in that the thickness of the peel ply is 20~100 μm.
7. a kind of preparation method of high temperature resistant diaphragm, comprises the following steps：
In any coated on one side modified acrylic ester resin solution of base material, the high temperature resistant function that hardness is 2~3H is solidify to form
Layer；Acrylic compounds or polyurethanes viscose solution are coated with the another side of the base material, high temperature resistant adhesive-layer is solidify to form；
Peel ply is combined on the high temperature resistant adhesive-layer, high temperature resistant diaphragm is obtained.
8. preparation method according to claim 7, it is characterised in that the side of the coating modified acrylic ester resin solution
Formula is micro- gravure roller coating.
9. the preparation method according to claim 7 or 8, it is characterised in that described to solidify to form the resistance to height that hardness is 2~3H
The mode of temperature function layer is that photocuring or photo-thermal are mixing cured.
10. preparation method according to claim 9, it is characterised in that described to solidify to form the high temperature resistant that hardness is 2~3H
Functional layer is specifically included：By 40~100 DEG C of removing solvents, then by 300~2000mJ/cm2The UV lamp solidification of energy, obtains
High temperature resistant functional layer.
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| CN112724847A (en) * | 2020-12-14 | 2021-04-30 | 苏州市雄林新材料科技有限公司 | High-low temperature composite film and preparation method thereof |
| CN113969121A (en) * | 2021-10-21 | 2022-01-25 | 合肥乐凯科技产业有限公司 | Protective film and preparation method thereof |
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| CN108795315A (en) * | 2018-05-30 | 2018-11-13 | 宁波科莱恩新材料科技有限公司 | A kind of anti-sticking antiacid protective films of UV based on active fluorinated polyimide |
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| CN111378391B (en) * | 2020-04-27 | 2021-09-28 | 广东硕成科技有限公司 | High-temperature-resistant protective film for automobile paint spraying shielding and preparation method thereof |
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| CN113969121A (en) * | 2021-10-21 | 2022-01-25 | 合肥乐凯科技产业有限公司 | Protective film and preparation method thereof |
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Application publication date: 20170630 |