CN207210311U - A kind of OCA optical adhesive films - Google Patents
A kind of OCA optical adhesive films Download PDFInfo
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- CN207210311U CN207210311U CN201721141863.6U CN201721141863U CN207210311U CN 207210311 U CN207210311 U CN 207210311U CN 201721141863 U CN201721141863 U CN 201721141863U CN 207210311 U CN207210311 U CN 207210311U
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Abstract
The utility model provides a kind of OCA optical adhesive films, including light release film layer, the first acrylic acid glue-line, the first PU glue-lines, the second acrylic acid glue-line, the 2nd PU glue-lines, the 3rd acrylic acid glue-line and the weight release film layer contacted successively, wherein, the utility model is by by acrylic acid glue-line and PU glue-line cross arrangements, so that not only intensity is good for obtained OCA optical adhesive films, and viscosity is big, filling capacity is good.
Description
Technical field
It the utility model is related to optical cement field, more particularly to a kind of OCA optical adhesive films.
Background technology
OCA optical cements are one of raw material of important touch-screen, are the extraordinary adhesives for cementing transparent optical element；
By the way that the optical cement such as adhesive such as organic silicon rubber, acrylic type resin and unsaturated polyester (UP), polyurethane and epoxy resin is made
It is cementing optical element without base material, then in upper and lower bottom, then respectively one layer of release film of fitting obtains, and is one kind without matrix material
The two-sided joint adhesive band of material.It is the optimal adhesive of touch screen.
But presently disclosed OCA optical adhesive films or low intensity or fillibility are poor, sticky small, cause it to be deposited in application aspect
In very big limitation, the OCA optical adhesive film intensity as prepared by PU glue is big, but fillibility is poor, and viscosity is smaller；Therefore it provides
A kind of not only intensity is high, and viscosity and the good OCA optical adhesive films of fillibility are the current technical issues that need to address.
Utility model content
In view of this, technical problem to be solved in the utility model is to provide a kind of OCA optical adhesive films, and this practicality is new
Not only intensity is high but also viscosity is good for the OCA optical adhesive films that type provides, and filling capacity is good.
The utility model provides a kind of OCA optical adhesive films, including contact successively light release film layer, the first acrylate glue
Layer, the first PU glue-lines, the second acrylic acid glue-line, the 2nd PU glue-lines, the 3rd acrylic acid glue-line and weight release film layer.
Preferably, the light release film layer is pet layer, layer of PVC, PC layers, PE layers, PP layers or OPP layers.
Preferably, the thickness of the light release film layer is 25 μm~75 μm.
Preferably, the thickness of the first acrylic acid glue-line is 30~100 μm.
Preferably, the thickness of the second acrylic acid glue-line is 30~100 μm.
Preferably, the thickness of the 3rd acrylic acid glue-line is 30~100 μm.
Preferably, the thickness of the first PU glue-lines is 10~50 μm；
Preferably, the thickness of the 2nd PU glue-lines is 10~50 μm.
Preferably, the heavy release film layer is pet layer, layer of PVC, PC layers, PE layers, PP layers or OPP layers.
Preferably, the thickness of the heavy release film layer is 50 μm~125 μm.
Compared with prior art, the utility model provides a kind of OCA optical adhesive films, including the light mould release membrance contacted successively
Layer, the first acrylic acid glue-line, the first PU glue-lines, the second acrylic acid glue-line, the 2nd PU glue-lines, the 3rd acrylic acid glue-line and weight are release
Film layer, wherein, the utility model is by by acrylic acid glue-line and PU glue-line cross arrangements so that obtained OCA optical adhesive films are not
Only intensity is good, and viscosity is big, and filling capacity is good.
Brief description of the drawings
Fig. 1 is the structural representation of OCA optical adhesive films provided by the utility model.
Embodiment
The utility model provides a kind of OCA optical adhesive films, including contact successively light release film layer, the first acrylate glue
Layer, the first PU glue-lines, the second acrylic acid glue-line, the 2nd PU glue-lines, the 3rd acrylic acid glue-line and weight release film layer.
According to the utility model, the light release film layer is preferably pet layer, layer of PVC, PC layers, PE layers, PP layers or OPP layers,
More preferably pet layer or PE layers；The thickness of the light release film layer is preferably 25 μm~75 μm, more preferably 35~65 μm, most
Preferably 40~50 μm；The off-type force of the light release film layer is preferably 2~20g/f, more preferably 5~10g/f.
According to the utility model, the first acrylic acid glue-line is by by 85~95 parts by weight propylene acid resins, 2~10 weights
Amount part plasticizer, 0.2~2 parts by weight defoamer and 0.2~2 parts by weight solvent are mixed to get the first acrylic acid glue-line；Wherein, originally
Utility model does not have particular/special requirement, the hybrid mode well known in the art for acrylate glue to the mode of mixing；It is described
Acrylic resin number-average molecular weight is preferably 100000-120000；The defoamer is preferably that dimethyl silicone polymer, polyethers change
Property silicon, polyoxyethylene, polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxy third
One or more in alkene polyoxyethylene glycerol ether, the plasticizer are preferably phthalic acid ester, benzoic acid binaryglycol ester
Or epoxy aliphatic acid methyl ester；The solvent is ethyl acetate, toluene or butanone；In the glue-line, the acrylic resin contains
Amount is preferably 90~94 parts by weight；The plasticizer is preferably 4~9 parts by weight, more preferably 5~6 parts by weight；The defoamer
Preferably 0.5~0.8 parts by weight；The solvent is preferably 0.3~1.5 parts by weight, more preferably 0.6~0.9 parts by weight；Described
The thickness of one acrylic acid glue-line is preferably 30~100 μm；More preferably 45~80 μm, most preferably 55~65 μm.
According to the utility model, the first PU glue-lines are preferably by by 90~95 parts by weight of polyurethane resins, 2~10 weights
The first PU glue-lines that amount part solvent and 0.2~4 parts by weight defoamer are mixed to get；Wherein, side of the utility model to mixing
Formula does not have particular/special requirement, the hybrid mode well known in the art for PU glue；The plasticizer is preferably epoxyfatty acid
Methyl esters, the solvent are preferably ethyl acetate；In the glue-line, the polyurethane resin is preferably 92~93 parts by weight, described
Plasticizer is preferably 4.5~6 parts by weight；The solvent is preferably 0.5~2 parts by weight, more preferably 1~1.5 parts by weight；It is described
The thickness of first PU glue-lines is preferably 10~50 μm, more preferably 25~40 μm.
According to the utility model, the second acrylic acid glue-line is by by 85~95 parts by weight propylene acid resins, 2~10 weights
Amount part plasticizer, 0.2~2 parts by weight defoamer and 0.2~2 parts by weight solvent are mixed to get the second acrylic acid glue-line；Wherein, originally
Utility model does not have particular/special requirement, the hybrid mode well known in the art for acrylate glue to the mode of mixing；It is described
Acrylic resin molecular weight is preferably 100000-120000；The solvent is preferably toluene, and the plasticizer is preferably epoxy fat
Fatty acid methyl esters；The defoamer is preferably dimethyl silicone polymer, polyether-modified silicon, polyoxyethylene polyoxypropylene pentaerythrite
It is one or more of in ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxyethylene polyoxypropylene glycerin ether；Institute
State in glue-line, the content of the acrylic resin is preferably 90~94 parts by weight；The plasticizer is preferably 4~9 parts by weight, more
Preferably 5~6 parts by weight；The defoamer is preferably 0.5~0.8 parts by weight；The solvent is preferably 0.3~1.5 parts by weight,
More preferably 0.6~0.9 parts by weight；The thickness of the second acrylic acid glue-line is preferably 30~100 μm；More preferably 45~80 is micro-
Rice, most preferably 55~65 μm.
According to the utility model, the 2nd PU glue-lines are preferably by by 90~95 parts by weight of polyurethane resins, 2~10 weights
The 2nd PU glue-lines that amount part solvent and 0.2~4 parts by weight defoamer are mixed to get；Wherein, mode of the utility model to mixing
There is no particular/special requirement, the hybrid mode well known in the art for PU glue；The plasticizer is preferably epoxyfatty acid first
Ester, the solvent are preferably ethyl acetate；In the glue-line, the polyurethane resin is preferably 92~93 parts by weight, the increasing
It is preferably 4.5~6 parts by weight to mould agent；The solvent is preferably 0.5~2 parts by weight, more preferably 1~1.5 parts by weight；Described
The thickness of two PU glue-lines is preferably 10~50 μm, more preferably 25~40 μm.
According to the utility model, the first acrylic acid glue-line is by by 85~95 parts by weight propylene acid resins, 2~10 weights
Amount part plasticizer, 0.2~2 parts by weight defoamer and 0.2~2 parts by weight solvent are mixed to get the first acrylic acid glue-line；Wherein, originally
Utility model does not have particular/special requirement, the hybrid mode well known in the art for acrylate glue to the mode of mixing；It is described
Acrylic resin number-average molecular weight is preferably 100000-120000；The defoamer is preferably that dimethyl silicone polymer, polyethers change
Property silicon, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxypropylene
One or more in polyoxyethylene glycerol ether, the plasticizer be preferably phthalic acid ester, benzoic acid binaryglycol ester or
Epoxy aliphatic acid methyl ester；The solvent is ethyl acetate, toluene or butanone；In the glue-line, the content of the acrylic resin
Preferably 90~94 parts by weight；The plasticizer is preferably 4~9 parts by weight, more preferably 5~6 parts by weight；The defoamer is excellent
Elect 0.5~0.8 parts by weight as；The solvent is preferably 0.3~1.5 parts by weight, more preferably 0.6~0.9 parts by weight；
The thickness of the 3rd acrylic acid glue-line is preferably 30~100 μm；More preferably 45~80 microns, most preferably 55
~65 μm.
According to the utility model, the heavy release film layer is preferably pet layer, layer of PVC, PC layers, PE layers, PP layers or OPP layers,
More preferably pet layer or PE layers；The thickness of the heavy release film layer is preferably 50 μm~125 μm, more preferably 75~100 μm,
Most preferably 80~90 μm；The off-type force of the heavy release film layer is preferably 30~100g/f, more preferably 40~80g/f.
Specifically, OCA optical adhesive films described in the utility model are as shown in figure 1, Fig. 1 is OCA light described in the utility model
Learn glued membrane structural representation, wherein, the OCA optical adhesive films by contact successively light release film layer, the first acrylic acid glue-line,
First PU glue-lines, the second acrylic acid glue-line, the 2nd PU glue-lines, the 3rd acrylic acid glue-line and weight release film layer are formed.
The utility model provides a kind of OCA optical adhesive films, including contact successively light release film layer, the first acrylate glue
Layer, the first PU glue-lines, the second acrylic acid glue-line, the 2nd PU glue-lines, the 3rd acrylic acid glue-line and weight release film layer, wherein, this reality
With new by by acrylic acid glue-line and PU glue-line cross arrangements so that not only intensity is good for obtained OCA optical adhesive films, and viscous
Property is big, and filling capacity is good.
It is clearly and completely described below in conjunction with the technical scheme of the utility model embodiment, it is clear that described
Embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment 1
With 5 layers of OCA light for spraying coating machine altogether and being coated with one layer of 185 μ m-thick on 100 μm of weight mould release membrances that off-type force is 40g/f
Glue is learned, (including 3 layers of acrylic acid glue-line and 2 layers of PU glue-lines, each layer distribution such as Fig. 1, wherein, the respective thickness of 3 layers of acrylic acid glue-line
It it is 45 μm, the composition of acrylic acid glue-line is counted using solid content as 100%, and component is：The parts by weight of acrylic resin 94, plasticizer ring
The parts by weight of oxygen fatty acid methyl ester 6, the parts by weight of solvent (ethyl acetate) 0.5, the parts by weight of defoamer (polypropylene glycerol aether) 0.3；2
Each thickness is 25 μm to layer PU glue-lines, and component is：The parts by weight of polyurethane resin 93, the parts by weight of solvent toluene 6, defoamer are (poly-
Ether modified silicon) 2 parts by weight, 20 UV LED ultraviolet lamp tubes are then interleaved and installed with 6m/min speed up and down by long 30m
Baking box, go out after baking box to cover the μ m-thick of last layer 50 again, off-type force is the 5~10g/f light mould release membrances of PET, that is, obtains OCA optical cements
Film.
OCA optical adhesive films are tested by using double aobvious dual control peel strength experimental machines：Peeling force is 1470gf/
25mm, elongation at break 550；80 μm~100 μm of height can be filled.
Embodiment 2
With 5 layers of OCA light for spraying coating machine altogether and being coated with one layer of 200 μ m-thick on 100 μm of weight mould release membrances that off-type force is 40g/f
Glue is learned, (including 3 layers of acrylic acid glue-line and 2 layers of PU glue-lines, each layer distribution such as Fig. 1, wherein the respective thickness of 3 layers of acrylic acid glue-line
It is 50 μm, composition：The parts by weight of acrylic resin 95, the parts by weight of plasticizer epoxy aliphatic acid methyl ester 4.5, defoamer (polyoxy third
Alkene glycerin ether) 0.8 parts by weight, the parts by weight of solvent (ethyl acetate) 0.3；Each thickness is 25 μm to 2 layers of PU glue-lines, and component is：
The parts by weight of polyurethane resin 95, the parts by weight of solvent toluene 4.5, defoamer (polyether-modified silicon) 1.8 parts by weight, then with 6m/min
Speed by long 25m, be interleaved and installed with the baking box of 20 UV LED ultraviolet lamp tubes up and down, go out after baking box to cover 50 μm of last layer again
Thickness, off-type force are the 5~10g/f light mould release membrances of PET, that is, obtain OCA optical adhesive films.
OCA optical adhesive films are tested using double aobvious dual control peel strength experimental machines：Peeling force is 1500gf/25mm,
Elongation at break is 612, can fill 80 μm~100 μm of height.
Embodiment 3
With 5 layers of OCA light for spraying coating machine altogether and being coated with one layer of 210 μ m-thick on 100 μm of weight mould release membrances that off-type force is 40g/f
Learn glue (including 3 layers of acrylic acid glue-line and 2 layers of PU glue-lines, each layer distribution such as Fig. 1, wherein, the respective thickness of 3 layers of acrylic acid glue-line
It is 50 μm, composition：The parts by weight of acrylic resin 90, the parts by weight of plasticizer epoxy aliphatic acid methyl ester 9, defoamer (polyoxypropylene
Glycerin ether) 1 parts by weight, the parts by weight of solvent (ethyl acetate) 0.6；Each thickness is 30 μm to 2 layers of PU glue-lines, and component is：Poly- ammonia
The parts by weight of ester resin 95, the parts by weight of solvent toluene 4.5, defoamer (polyether-modified silicon) 0.5 parts by weight, then with 6m/min speed
Degree passes through long 30m, is interleaved and installed with the baking box of 20 UV LED ultraviolet lamp tubes up and down, goes out after baking box to cover the μ m-thick of last layer 50 again,
Off-type force is the 5~10g/f light mould release membrances of PET, that is, obtains OCA optical adhesive films.
OCA optical adhesive films are tested using double aobvious dual control peel strength experimental machines：Peeling force is 1410gf/25mm,
Elongation at break is 571, can fill 80 μm~100 μm of height.
The explanation of above example is only intended to help and understands method and its core concept of the present utility model.It should refer to
Go out, for those skilled in the art, can also be to this on the premise of the utility model principle is not departed from
Utility model carries out some improvement and modification, and these are improved and modification also falls into the protection domain of the utility model claims
It is interior.
Claims (10)
1. a kind of OCA optical adhesive films, including contact successively light release film layer, the first acrylic acid glue-line, the first PU glue-lines, second
Acrylic acid glue-line, the 2nd PU glue-lines, the 3rd acrylic acid glue-line and weight release film layer.
2. OCA optical adhesive films according to claim 1, it is characterised in that the light release film layer be pet layer, layer of PVC,
PC layers, PE layers, PP layers or OPP layers.
3. OCA optical adhesive films according to claim 1, it is characterised in that the thickness of the light release film layer for 25 μm~
75μm。
4. OCA optical adhesive films according to claim 1, it is characterised in that the thickness of the first acrylic acid glue-line is 30
~100 μm.
5. OCA optical adhesive films according to claim 1, it is characterised in that the thickness of the second acrylic acid glue-line is 30
~100 μm.
6. OCA optical adhesive films according to claim 1, it is characterised in that the thickness of the 3rd acrylic acid glue-line is 30
~100 μm.
7. OCA optical adhesive films according to claim 1, it is characterised in that the thickness of the first PU glue-lines is 10~50 μ
m。
8. OCA optical adhesive films according to claim 1, it is characterised in that the thickness of the 2nd PU glue-lines is 10~50 μ
m。
9. OCA optical adhesive films according to claim 1, it is characterised in that the heavy release film layer be pet layer, layer of PVC,
PC layers, PE layers, PP layers or OPP layers.
10. OCA optical adhesive films according to claim 1, it is characterised in that the thickness of the heavy release film layer be 50 μm~
125μm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721141863.6U CN207210311U (en) | 2017-09-06 | 2017-09-06 | A kind of OCA optical adhesive films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721141863.6U CN207210311U (en) | 2017-09-06 | 2017-09-06 | A kind of OCA optical adhesive films |
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| Publication Number | Publication Date |
|---|---|
| CN207210311U true CN207210311U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721141863.6U Expired - Fee Related CN207210311U (en) | 2017-09-06 | 2017-09-06 | A kind of OCA optical adhesive films |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593482A (en) * | 2018-12-12 | 2019-04-09 | 烟台德邦科技有限公司 | A kind of no substrate heat conductive flame-retarding adhesive tape and preparation method thereof |
| CN111516351A (en) * | 2020-04-13 | 2020-08-11 | 湖南中天碧水膜科技有限公司 | TPU film and preparation method thereof |
-
2017
- 2017-09-06 CN CN201721141863.6U patent/CN207210311U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593482A (en) * | 2018-12-12 | 2019-04-09 | 烟台德邦科技有限公司 | A kind of no substrate heat conductive flame-retarding adhesive tape and preparation method thereof |
| CN111516351A (en) * | 2020-04-13 | 2020-08-11 | 湖南中天碧水膜科技有限公司 | TPU film and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190906 |