CN107179573A - Composite membrane and preparation method thereof - Google Patents
Composite membrane and preparation method thereof Download PDFInfo
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- CN107179573A CN107179573A CN201710466582.6A CN201710466582A CN107179573A CN 107179573 A CN107179573 A CN 107179573A CN 201710466582 A CN201710466582 A CN 201710466582A CN 107179573 A CN107179573 A CN 107179573A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
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Abstract
The invention provides a kind of composite membrane and preparation method thereof.The preparation method comprises the following steps：Forming a side surface has the upper layers of prisms of the first micro-structural, and protective layer is covered on the surface of the first micro-structural, prism composite bed in formation；Forming a side surface has the lower layers of prisms of the second micro-structural；The side of the remote protective layer of upper prism composite bed is fitted in the side with the second micro-structural of lower layers of prisms.The first micro-structural of upper layers of prisms is protected by using protective layer; it can prevent that layers of prisms from being scraped in follow-up forming process and injure foreign matter attachment; and then lower layers of prisms is not limited independently prepared by making technology, improve the production efficiency and yield of composite membrane；Also, due to laminating step has been placed on into the last of processing procedure, by the way that lower layers of prisms is prepared in advance, the factor of ply adhesion may be influenceed by eliminating in conventional preparation techniques, than traditional mantle processing procedure, greatly improve the production efficiency of composite membrane.
Description
Technical field
The present invention relates to optical technical field, in particular to a kind of composite membrane and preparation method thereof.
Background technology
With the development of optical film, Multi-layer composite film is so that its is ultra-thin, assembling yield is high, cost is low, optical effect is excellent
The good combination for progressively substituting traditional diffusion barrier plus prismatic lens.
Current multilayer complex films processing procedure mainly by microlens film (Microlens), diffusion barrier (Diffuser) and/or
After prism film (Prism) combination collocation, bonded and formed by a layer of adhesive.Wherein, the manufacturing process of current POP types composite membrane
It is Xian Zuo lower floors prism, glue-line of then fitting finally prepares upper strata prism on glue-line.
It is well known that microlens film and diffusion barrier ratio prism film in forming process more resistant to scraping, and the scratch resistance of prism film is logical
It is often poor, so that causing POP type composite membranes to generally require first prepares lower layers of prisms, after coating laminating glue-line, then prepare
Layers of prisms, above-mentioned whole process is needed to carry out by three steps, and upper layers of prisms can not be carried out simultaneously with lower layers of prisms, and then is caused
Production efficiency and yield decline to a great extent.
In addition, when the 3rd step of POP type composite membrane processing procedures makes layers of prisms, due to upper layers of prisms and lower layers of prisms
Through laminating, if produced using metal die, its angle of bend is very big (up to 90 °), can cause the upper and lower rib posted
Mirror layer is ftractureed, and therefore, upper layers of prisms is produced usually using mantle technique, however, mantle technique can cause the life of composite membrane
Produce that inefficiency, yield be relatively low and inferior quality.
The content of the invention
It is a primary object of the present invention to provide a kind of composite membrane and preparation method thereof, to solve composite membrane in the prior art
Preparation technology the problem of cause its low production efficiency, relatively low yield and inferior quality.
To achieve these goals, according to an aspect of the invention, there is provided a kind of preparation method of composite membrane, including
Following steps：Forming a side surface has the upper layers of prisms of the first micro-structural, and protective layer is covered in the table of the first micro-structural
On face, prism composite bed in formation；Forming a side surface has the lower layers of prisms of the second micro-structural；By the remote of upper prism composite bed
Side from protective layer fits in the side with the second micro-structural of lower layers of prisms.
Further, a side surface of the above-mentioned protective layer away from upper layers of prisms and side table of the upper layers of prisms away from protective layer
Minimum range between face is the maximum between h1, the side surface of the surface of the first micro-structural and upper layers of prisms away from protective layer
Distance is h2, and h1 ＞ h2.
Further, formed above-mentioned protective layer material be selected from acrylic resin, polyurethane resin, polyester resin and
Any of epoxy resin is a variety of.
Further, include in formation the step of prism composite bed：By upper prism glue compression molding, being formed has first
The upper layers of prisms of micro-structural；Protection glue is coated on the surface of the first micro-structural and compression molding, it is micro- that formation is covered in first
The protective layer of body structure surface.
Further, in the step of by upper prism glue compression molding, upper prism glue be molded and UV solidifies,
It is preferred that molding pressure is 2~4kg, the temperature of UV solidifications is 30~60 DEG C.
Further, in the step of by Protection glue compression molding, Protection glue be molded and UV solidifies, is preferably molded
Pressure is 2~4kg, and the temperature of UV solidifications is 20~30 DEG C.
Further, upper prism glue and Protection glue are added in double Tu machines respectively, to prepare upper layers of prisms and protective layer.
Further, by lower prism glue compression molding, the lower layers of prisms with the second micro-structural is obtained.
Further, in the step of the prism glue compression molding by under, lower prism glue be molded and UV solidifies,
It is preferred that molding pressure is 2~4kg, the temperature of UV solidifications is 30~50 DEG C.
Further, include the step of upper prism composite bed is fitted with lower layers of prisms：In the remote of upper prism composite bed
A side surface and/or the surface coating laminating glue of lower layers of prisms from protective layer；Using glue of fitting by upper prism composite bed
Fitted with lower layers of prisms, and the glue curing that will fit, preferably will the UV solidifications of laminating glue, the temperature of more preferably UV solidifications for 20~
30℃。
Further, the side of the remote protective layer of upper prism composite bed is being fitted in into the micro- with second of lower layers of prisms
After the step of side of structure, preparation method also include by protective layer from the sur-face peeling of upper layers of prisms the step of.
According to another aspect of the present invention there is provided a kind of composite membrane, it is prepared from using above-mentioned preparation method.
Apply the technical scheme of the present invention there is provided a kind of preparation method of composite membrane, including form upper layers of prisms with
The step of layers of prisms, after the layers of prisms in formation, the preparation method also includes protective layer being covered in the first micro-structural
Surface on, then prism composite bed in formation has the second micro-structural by what upper prism composite bed fitted in lower layers of prisms
Side, so as to be protected by using protective layer to the first micro-structural of upper layers of prisms, can prevent layers of prisms follow-up
Forming process in scraped and injure foreign matter attachment, and then lower layers of prisms is not limited independently prepared by making technology,
Improve the production efficiency and yield of composite membrane；Also, due to laminating step has been placed on into the last of processing procedure, by by lower prism
Layer is prepared in advance, and the factor of ply adhesion may be influenceed by eliminating in conventional preparation techniques, so as in preparation technology
Metal die all is used, than traditional mantle processing procedure, the production efficiency of composite membrane is greatly improved；In addition, above-mentioned protective layer
Potentially act as the diaphragm of composite membrane, thus in subsequent handling need not pad pasting, and then reduce one of processing procedure again, improve
Yield and production efficiency.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The Figure of description for constituting the part of the present invention is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the schematic flow sheet of the preparation method for the composite membrane that embodiment of the present invention is provided.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model that the present invention is protected
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that covering is non-exclusive to be included, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
From background technology, the whole preparation section of POP types composite membrane needs to carry out by three steps in the prior art, and
Upper layers of prisms can not be carried out simultaneously with lower layers of prisms, and then cause production efficiency and yield to decline to a great extent.The present inventor
Studied regarding to the issue above there is provided a kind of preparation method of composite membrane, as shown in figure 1, comprising the following steps：Form one
Side surface has the upper layers of prisms of the first micro-structural, and protective layer is covered on the surface of the first micro-structural, prism in formation
Composite bed；Forming a side surface has the lower layers of prisms of the second micro-structural；By the side of the remote protective layer of upper prism composite bed
Fit in the side with the second micro-structural of lower layers of prisms.
In above-mentioned composite membrane due to the layers of prisms in formation after, the preparation method also include protective layer is covered in first
On the surface of micro-structural, then upper prism composite bed is fitted in the micro- with second of lower layers of prisms by prism composite bed in formation
The side of structure, so as to be protected by using protective layer to the first micro-structural of upper layers of prisms, can prevent layers of prisms
Scraped in follow-up forming process and injure foreign matter attachment, and then lower layers of prisms is not limited independence by making technology
Prepare, improve the production efficiency and yield of composite membrane；Also, due to laminating step has been placed on into the last of processing procedure, by inciting somebody to action
Lower layers of prisms is prepared in advance, and the factor of ply adhesion may be influenceed by eliminating in conventional preparation techniques, so as to prepare
All, than traditional mantle processing procedure, the production efficiency of composite membrane is greatly improved in technique using metal die；In addition, above-mentioned
Protective layer potentially acts as the diaphragm of composite membrane, thus in subsequent handling need not pad pasting again, and then reduce one of processing procedure,
Improve yield and production efficiency.
The illustrative embodiments of the preparation method of the composite membrane provided according to the present invention are provided.So
And, these illustrative embodiments can be implemented by many different forms, and should not be construed to be limited solely to here
The embodiment illustrated.It should be appreciated that thesing embodiments are provided so that disclosure herein is thorough and complete
It is whole, and the design of these illustrative embodiments is fully conveyed to those of ordinary skill in the art.
First, forming a side surface has the upper layers of prisms of the first micro-structural, and protective layer is covered in into the first micro-structural
Surface on, prism composite bed in formation；Or, forming a side surface has the lower layers of prisms of the second micro-structural.Above-mentioned formation
It successively can respectively implement the step of layers of prisms under the step of upper prism composite bed and above-mentioned formation, can also implement simultaneously, it is excellent
Above-mentioned two step is selected to implement simultaneously, to shorten the time of preparation technology, so as to improve the efficiency of preparation technology.
In above-mentioned formation the step of prism composite bed in, surface of the above-mentioned protective layer due to being covered in the first micro-structural,
So as to play the protective effect to the first micro-structural in subsequent handling, to prevent upper layers of prisms in follow-up forming process
In scraped injure foreign matter attachment so that lower layers of prisms can not be limited independently prepared by making technology；Also, by
First micro-structure surface of upper layers of prisms covers above-mentioned protective layer, make in subsequent handling need not pad pasting again, so as to reduce one
Road processing procedure, improves yield and production efficiency.Acrylic resin, polyurethane can be selected from by forming the material of above-mentioned protective layer
Any of resin, polyester resin and epoxy resin are a variety of.
Preferably, a side surface of the above-mentioned protective layer away from upper layers of prisms and a side surface of the upper layers of prisms away from protective layer
Between minimum range be h1, between the side surface of the surface of the first micro-structural and upper layers of prisms away from protective layer it is maximum away from
From for h2, and h1 ＞ h2.Now, at least part of protective layer can fill and lead up the first micro-structural of upper layers of prisms completely, so that
Protective effect of the above-mentioned protective layer to upper layers of prisms in follow-up forming process is improved, to reduce the scratch that upper layers of prisms is subject to
And foreign matter attachment.
In a preferred embodiment, include in formation the step of prism composite bed：Upper prism glue is molded into
Type, forms the upper layers of prisms with the first micro-structural；Protection glue is coated on the surface of the first micro-structural and compression molding, shape
Into the protective layer for being covered in the first micro-structure surface.
It is above-mentioned preferred embodiment in, in order to improve the shaping efficiency of above-mentioned upper prism, it is preferable that by upper prism
In the step of glue compression molding, to upper prism glue carry out be molded and UV solidify, it is further preferable that molding pressure be 2~
The temperature of 4kg, UV solidification is 30~60 DEG C；In order to improve the shaping efficiency of above-mentioned protective layer, it is preferable that be molded by Protection glue
In the step of shaping, Protection glue be molded and UV solidifies, it is further preferable that molding pressure is 2-4kg, the temperature of UV solidifications
For 20~30 DEG C；It is further preferable that the shaping efficiency in order to improve above-mentioned upper prism composite bed, respectively by upper prism glue and guarantor
Protect glue to add in double Tu machines, to prepare upper layers of prisms and protective layer.
In a preferred embodiment, by lower prism glue compression molding, the lower rib with the second micro-structural is obtained
Mirror layer.In order to improve the shaping efficiency of above-mentioned lower prism, it is further preferable that in the step of the prism glue compression molding by under,
Lower prism glue be molded and UV solidifications, preferably molding pressure are 2~4kg, the temperature of UV solidifications is 30~50 DEG C.
After completing to prepare on above-mentioned prism composite bed and preparing the step of above-mentioned lower layers of prisms is fitted, upper prism is answered
The side for closing the remote protective layer of layer fits in the side with the second micro-structural of lower layers of prisms.By the way that lower layers of prisms is shifted to an earlier date
Prepare, and laminating step be placed on the last of processing procedure, eliminate may be influenceed in conventional preparation techniques ply adhesion because
Element, so as to, all using metal die, than traditional mantle processing procedure, greatly improve the life of composite membrane in preparation technology
Produce efficiency.
In a preferred embodiment, include the step of upper prism composite bed is fitted with lower layers of prisms：Upper
One side surface of the remote protective layer of prism composite bed and/or the surface coating laminating glue of lower layers of prisms；Utilize glue of fitting
Upper prism composite bed is fitted with lower layers of prisms, and the glue curing that will fit.Upper prism composite bed and lower rib are improved in order to realize
More firm laminating between mirror layer, it is preferable that will laminating glue UV solidifications, it is further preferable that the temperature of UV solidifications for 20~
30℃。
The side of the remote protective layer of upper prism composite bed is being fitted in one with the second micro-structural of lower layers of prisms
After the step of side, preparation method can also include by protective layer from the sur-face peeling of upper layers of prisms the step of.By will be above-mentioned
Protective layer is from the sur-face peeling of layers of prisms, to obtain composite membrane.
According to another aspect of the present invention, a kind of composite membrane is additionally provided, is prepared from using above-mentioned preparation method.By
Include being covered in protective layer on the surface of the first micro-structural in the preparation method of the composite membrane, prism composite bed in formation, so
Upper prism composite bed is fitted in the side with the second micro-structural of lower layers of prisms afterwards, so that by using protective layer to upper rib
First micro-structural of mirror layer is protected, and can prevent that layers of prisms from being scraped in follow-up forming process and injure foreign matter attached
, and above-mentioned protective layer potentially acts as the diaphragm of composite membrane, and then improve yield and production efficiency.
Composite membrane that the application is provided and preparation method thereof is further illustrated below in conjunction with embodiment.
Embodiment 1
The step of preparation method for the composite membrane that the present embodiment is provided, includes：
Upper prism glue (UV light-cured acrylate glue, CHTF-9945) is added and carries out being molded and UV in single painting machine
Solidification, molding pressure is 6kg, and the temperature of UV solidifications is 20 DEG C, forms the upper layers of prisms with the first micro-structural, Protection glue is applied
On the surface for being overlying on the first micro-structural, Protection glue (UV light-cured acrylate glue, SPX1200) be molded and UV consolidates
Change, molding pressure is 5kg, and the temperature of UV solidifications is 15 DEG C, the protective layer for being covered in the first micro-structure surface is formed, on obtaining
Prism composite bed；
In the single painting machine of lower prism glue (UV light-cured acrylate glue, SPX1200) addition will be molded and UV consolidates
Change, molding pressure is 6kg, and the temperature of UV solidifications is 20 DEG C, forms the lower layers of prisms with the second micro-structural；
Above-mentioned upper prism composite bed and above-mentioned lower layers of prisms are added in make-up machine, in the remote protection of upper prism composite bed
The side surface coating laminating glue (UV light-cured acrylate glue, CHTF-8080) of layer, using glue of fitting by upper prism
Composite bed is fitted with lower layers of prisms, and laminating glue UV is solidified, and the temperature of UV solidifications is 40 DEG C.
Embodiment 2
The difference of the preparation method and embodiment 1 of the composite membrane that the present embodiment is provided is：
Upper prism glue and Protection glue are added in double Tu machines, to prepare upper layers of prisms and protective layer simultaneously.
Embodiment 3
The difference of the preparation method and embodiment 2 of the composite membrane that the present embodiment is provided is：
In the step of being molded to upper prism glue and UV solidifies, molding pressure is 4kg, and the temperature of UV solidifications is 30
℃。
Embodiment 4
The difference of the preparation method and embodiment 2 of the composite membrane that the present embodiment is provided is：
In the step of being molded to upper prism glue and UV solidifies, molding pressure is 2kg, and the temperature of UV solidifications is 60
℃。
Embodiment 5
The difference of the preparation method and embodiment 2 of the composite membrane that the present embodiment is provided is：
In the step of being molded to Protection glue and UV solidifies, molding pressure is 2kg, and the temperature of UV solidifications is 20 DEG C.
Embodiment 6
The difference of the preparation method and embodiment 2 of the composite membrane that the present embodiment is provided is：
In the step of being molded to Protection glue and UV solidifies, molding pressure is 4kg, and the temperature of UV solidifications is 30 DEG C.
Embodiment 7
The difference of the preparation method and embodiment 2 of the composite membrane that the present embodiment is provided is：
In the step of prism glue under inciting somebody to action is molded and UV solidifies, molding pressure is 2kg, and the temperature of UV solidifications is 30
℃。
Embodiment 8
The difference of the preparation method and embodiment 2 of the composite membrane that the present embodiment is provided is：
In the step of prism glue under inciting somebody to action is molded and UV solidifies, molding pressure is 4kg, and the temperature of UV solidifications is 50
℃。
Embodiment 9
The difference of the preparation method and embodiment 2 of the composite membrane that the present embodiment is provided is：
In the step of upper prism composite bed is fitted with lower layers of prisms, the temperature by glue UV solidifications of fitting is 20 DEG C.
Embodiment 10
The difference of the preparation method and embodiment 2 of the composite membrane that the present embodiment is provided is：
In the step of upper prism composite bed is fitted with lower layers of prisms, the temperature by glue UV solidifications of fitting is 30 DEG C.
Embodiment 11
The step of preparation method for the composite membrane that the present embodiment is provided, includes：
By upper prism glue (UV light-cured acrylate glue, CHTF-9945) and Protection glue (UV light-cured acrylates
Glue, SPX1200) carry out being molded in double Tu machines and UV solidifications while adding, the molding pressure of upper prism glue is 3kg, and UV is solid
The temperature of change is 45 DEG C, forms the upper layers of prisms with the first micro-structural, and Protection glue is coated on the surface of the first micro-structural, is protected
The molding pressure for protecting glue is 3kg, and the temperature of UV solidifications is 25 DEG C, forms the protective layer for being covered in the first micro-structure surface, with
To upper prism composite bed；
Lower prism glue (UV light-cured acrylate glue, CHTF-9781M) is added and carries out being molded and UV in single painting machine
Solidification, molding pressure is 3kg, and the temperature of UV solidifications is 40 DEG C, forms the lower layers of prisms with the second micro-structural；
Above-mentioned upper prism composite bed and above-mentioned lower layers of prisms are added in make-up machine, in the remote protection of upper prism composite bed
The side surface coating laminating glue (UV light-cured acrylate glue, CHTF-8080) of layer, using glue of fitting by upper prism
Composite bed is fitted with lower layers of prisms, and laminating glue UV is solidified, and the temperature of UV solidifications is 25 DEG C.
Comparative example 1
The step of preparation method for the composite membrane that this comparative example is provided, includes：
Upper prism glue (be the same as Example 1) is added and carries out being molded in single painting machine and UV solidifications, molding pressure is 6kg, UV
The temperature of solidification is 20 DEG C, forms the upper layers of prisms with the first micro-structural；
Lower prism glue (be the same as Example 1) is added and carries out being molded in single painting machine and UV solidifications, molding pressure is 6kg, UV
The temperature of solidification is 20 DEG C, forms the lower layers of prisms with the second micro-structural；
Above-mentioned upper prism composite bed and above-mentioned lower layers of prisms are added in make-up machine, in the remote protection of upper prism composite bed
The side surface coating laminating glue (be the same as Example 1) of layer, using fitting, glue fits upper prism composite bed with lower layers of prisms,
And solidify laminating glue UV, the temperature of UV solidifications is 40 DEG C.
The various performance parameters of composite membrane to being provided in above-described embodiment 1 to 11 and comparative example 1 are tested, test knot
It is really as shown in the table.
It is can be seen that from above-mentioned test result compared with comparative example 1, using preparation method in the embodiment of the present application 1 to 11
Man-hour needed for obtained composite membrane has higher yield, and preparation method in embodiment 2 to 11 is shorter.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
1st, the first micro-structural of upper layers of prisms is protected by using protective layer, layers of prisms can be prevented follow-up
Forming process in scraped and injure foreign matter attachment, and then lower layers of prisms is not limited independently prepared by making technology,
Improve the production efficiency and yield of composite membrane；
2nd, due to laminating step has been placed on into the last of processing procedure, by the way that lower layers of prisms is prepared in advance, traditional system is eliminated
May influence the factor of ply adhesion in standby technique, so as in preparation technology all using metal die, than tradition
Mantle processing procedure, greatly improve the production efficiency of composite membrane；
3rd, above-mentioned protective layer potentially acts as the diaphragm of composite membrane, thus in subsequent handling need not pad pasting again, and then
One of processing procedure is reduced, yield and production efficiency is improved.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
1. a kind of preparation method of composite membrane, it is characterised in that comprise the following steps：
Forming a side surface has the upper layers of prisms of the first micro-structural, and protective layer is covered in the surface of first micro-structural
On, prism composite bed in formation；
Forming a side surface has the lower layers of prisms of the second micro-structural；
By the side of the remote protective layer of the upper prism composite bed fit in the lower layers of prisms have described second
The side of micro-structural.
2. preparation method according to claim 1, it is characterised in that side of the protective layer away from the upper layers of prisms
Minimum range between the side surface of surface and the upper layers of prisms away from the protective layer is h1, first micro-structural
Ultimate range between the side surface of surface and the upper layers of prisms away from the protective layer is h2, and h1 ＞ h2.
3. preparation method according to claim 1, it is characterised in that the material for forming the protective layer is selected from acrylate
Any of resinoid, polyurethane resin, polyester resin and epoxy resin are a variety of.
4. preparation method according to claim 1, it is characterised in that the step of forming the upper prism composite bed includes：
By upper prism glue compression molding, the upper layers of prisms with first micro-structural is formed；
Protection glue is coated on the surface of first micro-structural and compression molding, formation is covered in the first micro-structural table
The protective layer in face.
5. preparation method according to claim 4, it is characterised in that on will be described the step of the compression molding of prism glue
In, the upper prism glue be molded and UV solidifies, preferably molding pressure is 2~4kg, and the temperature of UV solidifications is 30~60
℃。
6. preparation method according to claim 4, it is characterised in that in the step of by the Protection glue compression molding,
The Protection glue be molded and UV solidifications, preferably molding pressure are 2~4kg, the temperature of UV solidifications is 20~30 DEG C.
7. the preparation method according to claim 5 or 6, it is characterised in that respectively by the upper prism glue and the guarantor
Protect glue to add in double Tu machines, to prepare the upper layers of prisms and the protective layer.
8. preparation method according to claim 1, it is characterised in that lower prism glue compression molding is obtained with institute
State the lower layers of prisms of the second micro-structural.
9. preparation method according to claim 8, it is characterised in that the step of by the lower prism glue compression molding
In, the lower prism glue be molded and UV solidifies, preferably molding pressure is 2~4kg, and the temperature of UV solidifications is 30~50
℃。
10. preparation method according to claim 1, it is characterised in that prism composite bed and the lower rib on will be described
The step of mirror layer is fitted includes：
A side surface of the remote protective layer of prism composite bed and/or the surface of the lower layers of prisms, which are applied, on described posts
Rubber alloy water；
The upper prism composite bed is fitted with the lower layers of prisms using the laminating glue, and the laminating glue is consolidated
Change, preferably solidify the laminating glue UV, the temperature of more preferably UV solidifications is 20~30 DEG C.
11. preparation method according to claim 1, it is characterised in that prism composite bed is remote described on will be described
After the step of side of protective layer fits in the side with second micro-structural of the lower layers of prisms, the preparation side
Method also include by the protective layer from the sur-face peeling of the upper layers of prisms the step of.
12. a kind of composite membrane, it is characterised in that be prepared from using the preparation method any one of claim 1 to 11.
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