CN105295758B - A kind of optical film with MULTILAYER COMPOSITE OCA glue-lines and preparation method thereof - Google Patents
A kind of optical film with MULTILAYER COMPOSITE OCA glue-lines and preparation method thereof Download PDFInfo
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- CN105295758B CN105295758B CN201510660325.7A CN201510660325A CN105295758B CN 105295758 B CN105295758 B CN 105295758B CN 201510660325 A CN201510660325 A CN 201510660325A CN 105295758 B CN105295758 B CN 105295758B
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Abstract
The present invention relates to optical protection layer technical field; more particularly to a kind of optical film with MULTILAYER COMPOSITE OCA glue-lines and preparation method thereof; the optical film includes the first weight mould release membrance, at least two layers of Composite OC A glue-line and the second heavy mould release membrance being bonded successively from top to bottom, and Composite OC A glue-lines include the soft OCA glue-lines being bonded successively from top to bottom and hard OCA glue-lines.The preparation method comprises the following steps：（1）Prepare composite membrane A；（2）Prepare composite membrane B；（3）Prepare the optical film with two layers of Composite OC A glue-line；（4）Prepare the optical film with three layers of Composite OC A glue-lines；（5）Repeat step（4）, the optical film with more than three layers Composite OC A glue-lines is made.The optical film of the present invention can solve safety glass very well and be fitted in screen alice phenomenon, good visual effect by suitably increasing the thickness of glue-line.
Description
Technical field
The present invention relates to optical protection layer technical field, and in particular to a kind of optical film with MULTILAYER COMPOSITE OCA glue-lines
And preparation method thereof.
Background technology
Safety glass film is the most popular advanced mask of current mobile phone, and has and gradually replace PET protection film trend.
Mobile phone safety glass film serves important function in mobile phone protection, is to have used tempering in place of the characteristic of safety glass pad pasting
Glass material, compared in general plastics, more preferable scratch resistant effect can be played, equivalent to the second external screen of mobile phone, if mobile phone is fallen
Fall, safety glass film can play a part of reducing broken screen probability.
Occur safety glass film in the market and chemistry is immersed in by glass raw material of the thickness in more than 0.4mm mostly
It is thinned what is obtained in liquid medicine, thickness has 0.02-0.04mm deviations, and this safety glass being thinned, thickness can be less equal
It is even.
After the fitting of safety glass film AB double faced adhesive tapes, in the phenomenon that fitting screen easily occurs being bonded alice, influence to regard
Feel effect.
The content of the invention
In order to overcome shortcoming and defect present in prior art, answered it is an object of the invention to provide one kind with multilayer
The optical film of OCA glue-lines is closed, the optical film can solve safety glass very well and be fitted in screen by suitably increasing the thickness of glue-line
Curtain alice phenomenon, good visual effect.
, should another object of the present invention is to provide a kind of preparation method of the optical film with MULTILAYER COMPOSITE OCA glue-lines
Preparation method technique is simple, convenient operation and control, steady quality, and production efficiency is high, and production cost is low, is adapted to heavy industrialization
Production.
The purpose of the present invention is achieved through the following technical solutions：A kind of optical film with MULTILAYER COMPOSITE OCA glue-lines, including
The first weight mould release membrance, at least two layers of Composite OC A glue-line and the second heavy mould release membrance being bonded successively from top to bottom, Composite OC A glue-lines
Including the soft OCA glue-lines being bonded successively from top to bottom and hard OCA glue-lines.
The optical film of the present invention can solve safety glass very well and be fitted in screen to stick up by suitably increasing the thickness of glue-line
Side phenomenon, good visual effect is simple in construction, and cost is low, practical.
Preferably, the first weight mould release membrance is first heavy mould release membrance of the peeling force in 40-60g.The present invention by using
Peeling force 40-60g the first heavy mould release membrance, outermost layer will not delamination, can preferably protect the present invention optical film.
The test of peeling force uses peel strength tester, sample size 25mm*300mm, 2KG is forced meet 30min after, with 1.2m/
Min, 180 ° of strippings（To glass）.
The second weight mould release membrance is second heavy mould release membrance of the peeling force in 40-60g.The present invention exists by using peeling force
40-60g the second heavy mould release membrance, outermost layer will not delamination, can preferably protect the present invention optical film.Peeling force
Test use peel strength tester, sample size 25mm*300mm, 2KG is forced meet 30min after, with 1.2m/min, 180 ° are shelled
From（To glass）.
The first weight mould release membrance, the second weight mould release membrance are PET weight mould release membrances.The present invention is release by using PET weights
Film, release effect are good.
The shore D hardness of the soft OCA glue-lines is 20-30HA.The present invention is 20-30HA's by using shore D hardness
Soft OCA glue-lines, can solve safety glass very well and be fitted in screen alice phenomenon, good visual effect.
The shore D hardness of the hard OCA glue-lines is 35-50HA.The present invention is 35-50HA's by using shore D hardness
Hard OCA glue-lines, can solve safety glass very well and be fitted in screen alice phenomenon, good visual effect.
Preferably, the thickness of the first weight mould release membrance is 23-100 μm.Thickness of the invention by weighing mould release membrance by first
Degree control at 23-100 μm, outermost layer will not delamination, can preferably protect the optical film of the present invention.It is more highly preferred to,
The thickness of the first weight mould release membrance is 75 μm.
The thickness of the soft OCA glue-lines is 40-70 μm.The present invention by by the thickness control of soft OCA glue-lines in 40-70 μ
M, can solve safety glass very well and be fitted in screen alice phenomenon, good visual effect.It is more highly preferred to, the soft OCA glue-lines
Thickness be 50 μm.
The thickness of the hard OCA glue-lines is 30-50 μm.The present invention by by the thickness control of hard OCA glue-lines in 30-50 μ
M, can solve safety glass very well and be fitted in screen alice phenomenon, good visual effect.It is more highly preferred to, the hard OCA glue-lines
Thickness be 40 μm.
The thickness of the second weight mould release membrance is 23-100 μm.The present invention is by the way that the thickness control of the second weight mould release membrance is existed
23-100 μm, outermost layer will not delamination, can preferably protect the present invention optical film.It is more highly preferred to, described second
The thickness of weight mould release membrance is 75 μm.
Preferably, the soft OCA glue-lines, the raw material of hard OCA glue-lines are any one in acrylic acid, silica gel and polyurethane
Kind.Specifically, the soft OCA glue-lines, the raw material of hard OCA glue-lines are the acrylic acid of the different hardness of same system；Or institute
State soft OCA glue-lines, the raw material of hard OCA glue-lines be same system different hardness silica gel；It is or the soft OCA glue-lines, hard
The raw material of OCA glue-lines is the polyurethane of the different hardness of same system.
Preferably, the raw material of the soft OCA glue-lines be shore D hardness 20-30HA, viscosity 8-15g soft OCA glue；
The raw material of the hard OCA glue-lines for shore D hardness 35-50HA, viscosity 500-12000g hard OCA glue.
The present invention by using shore D hardness 20-30HA, viscosity 8-15g soft OCA glue and shore D hardness in 35-
50HA, viscosity can solve safety glass very well and be fitted in screen alice phenomenon in 500-12000g hard OCA glue, vision effect
Fruit is good.Shore D hardness is according to GB2411《Plastics shore hardness test method》Tested.
It is more highly preferred to, the soft OCA glue is the model NP-0116H- of Hitachi Chemical Co., Ltd.'s production（k）It is soft
OCA glue, colloid hardness are 27HA；The hard OCA glue is the model Z-757-6 of Hitachi Chemical Co., Ltd.'s production（K）It is hard
OCA glue, colloid hardness are 46HA.
The present invention can solve safety glass very well and be fitted in screen alice by using above-mentioned soft OCA glue and hard OCA glue
Phenomenon, good visual effect.
Another preferable, the soft OCA glue is the model CPPL-785-NL of Huang Chuan chemical syntheses Co., Ltd. production
Soft OCA glue；The hard OCA glue is the model CPQI-882-1 (K) of Huang Chuan chemical syntheses Co., Ltd. production hard OCA glue.
The present invention can solve safety glass very well and be fitted in screen alice by using above-mentioned soft OCA glue and hard OCA glue
Phenomenon, good visual effect.
Another preferable, the soft OCA glue is the model AN-230 of Sojitz Corp.'s production soft OCA glue；It is described
Hard OCA glue is the model BN-025 of Sojitz Corp.'s production hard OCA glue.
The present invention can solve safety glass very well and be fitted in screen alice by using above-mentioned soft OCA glue and hard OCA glue
Phenomenon, good visual effect.
A kind of preparation method of the optical film with MULTILAYER COMPOSITE OCA glue-lines, comprises the following steps：
（1）Prepare composite membrane A：
The first heavy mould release membrance is taken, one layer of soft OCA glue is coated with the first weight mould release membrance, hot setting, it is soft to form first
OCA glue-lines；
The first light mould release membrance is taken, one layer of hard OCA glue is coated with the first light mould release membrance, hot setting, it is hard to form first
OCA glue-lines；
First soft OCA glue-lines are bonded with the first hard OCA glue-lines, composite membrane A is made；
（2）Prepare composite membrane B：
The second light mould release membrance is taken, one layer of soft OCA glue is coated with the second light mould release membrance, hot setting, it is soft to form second
OCA glue-lines；
The second heavy mould release membrance is taken, one layer of hard OCA glue is coated with the second weight mould release membrance, hot setting, it is hard to form second
OCA glue-lines；
Second soft OCA glue-lines are bonded with the second hard OCA glue-lines, composite membrane B is made；
（3）Prepare the optical film with two layers of Composite OC A glue-line：
Tear composite membrane A off first light mould release membrances, tear composite membrane B off second light mould release membrances, it is hard by the first of composite membrane A
OCA glue-lines are bonded with composite membrane B the second soft OCA glue-lines, and the optical film with two layers of Composite OC A glue-line is made；
The step（1）With the step（2）In, the temperature of hot setting is 100-200 DEG C, and the time of hot setting is
1-3min。
The first light mould release membrance is first light mould release membrance of the peeling force in 5-12g；The second light mould release membrance is stripping
Second light mould release membrance of the power in 5-12g；The first light mould release membrance, the second light mould release membrance are the light mould release membrances of PET；Described
One light mould release membrance, the thickness of the second light mould release membrance are 23-100 μm.
The preparation method technique of the present invention is simple, convenient operation and control, steady quality, and production efficiency is high, and production cost is low,
It is adapted to large-scale industrial production.
Preferably, the step（3）Also include afterwards：
（4）Prepare the optical film with three layers of Composite OC A glue-lines：
Tear the optical film with two layers of Composite OC A glue-line off second heavy mould release membrance, another composite membrane B is taken, by composite membrane B
The second light mould release membrance is torn off, by the second of second of the optical film with two layers of Composite OC A glue-line the hard OCA glue-lines and composite membrane B
Soft OCA glue-lines fitting, is made the optical film with three layers of Composite OC A glue-lines；
（5）Repeat step（4）, the optical film with more than three layers Composite OC A glue-lines is made.
The present invention by by the temperature control of hot setting at 100-200 DEG C, the time control of hot setting in 1-3min,
Curing rate is fast, and solidification effect is good.
It is coated with soft OCA glue and hard OCA glue to be coated with using comma scraper, comma formula scraper is preferable using intensity, hardness
Round steel is made the edge of a knife, and the scraper maintains static dynamic, comma roller coating during frictioning.The characteristics of comma roller is coated with is that sword scraper and roller are scraped
The combination of knife.The influence of glue thickness is smaller than sword scraper, and coating layer thickness is easily adjusted, and can be coated with high viscosity glue.Breadth compared with
, being capable of lateral adjustments when big.Coating weight control and frictioning precision are high, and use is also extremely convenient；Because its frictioning is very uniform, so
Suitable for the accurate frictioning of smooth roll gluing coating.
Composite membrane A and composite membrane B fitting use laminating machine, and laminating machine is a kind of for stationery, film special equipment.I.e.
Painting type laminating machine includes gluing, drying, hot pressing three parts, and its scope of application is wide, and processing characteristics is reliable and stable, is current domestic wide
The general equipment for coating film used.It mainly by being film processing factory or job shop, as needed applies reel plastic sheeting glutinous
Through drying after mixture（Slightly）Paper membrane is sticked after compound, pressurization and forms coated products together.I.e. device for coating have it is automatic and
Semi-automatic two kinds, its basic functional principle is identical；Technological process mainly unreels → glued coating → drying → compound → cutting
→ finished product is accumulated.The machine machine can design according to different product production requirement and design different scrapers in gluing coated portion, such as funny
Number formula, slit；Drying nest selects different heating mode, such as oil temperature heating, Hot-blast Heating.Composite portion selects steel rod and rubber
Rubber roll presses.
The beneficial effects of the present invention are：The optical film of the present invention can be solved very well by suitably increasing the thickness of glue-line
Certainly safety glass is fitted in screen alice phenomenon, and good visual effect is simple in construction, and cost is low, practical.If directly it is coated with soft
The thickness of OCA glue and hard OCA glue is blocked up >=and 80 μm, it is not fully cured to produce baking, and for solvent into residual, glue surface orange peel is serious,
Overlay film extrudes phenomena such as excessive glue, and optical film of the invention can adjust the compound number of plies according to safety glass actual (real) thickness deviation.
The optical film of the present invention is made to no base material AB glue by MULTILAYER COMPOSITE, in use, tearing weight mould release membrance, hard OCA off
After the safety glass fitting of glue-line coating thickness 0.02-0.04mm deviations, soft OCA glue-lines are bonded screen, can solve steel very well
Change glass gluing in screen alice phenomenon.
The preparation method technique of the present invention is simple, convenient operation and control, steady quality, and production efficiency is high, and production cost is low,
It is adapted to large-scale industrial production.
Brief description of the drawings
Fig. 1 is composite membrane A of the present invention sectional view.
Fig. 2 is composite membrane B of the present invention sectional view.
Fig. 3 is the sectional view for the optical film that the present invention has two layers of Composite OC A glue-line.
Fig. 4 is the sectional view for the optical film that the present invention has three layers of Composite OC A glue-lines.
Reference is：It is 1-composite membrane A, the 11-the first weight mould release membrance, the 12-the first soft OCA glue-lines, 13-the first hard
OCA glue-lines, the 14-the first light mould release membrance, 2-composite membrane B, the 21-the second weight mould release membrance, the 22-the second hard OCA glue-lines, 23-the
Two soft OCA glue-lines, the 24-the second light mould release membrance, 3-Composite OC A glue-lines, 31-soft OCA glue-lines, 32-hard OCA glue-lines.
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made with reference to embodiment and accompanying drawing 1-4 further
Explanation, the content that embodiment refers to not is limitation of the invention.
Embodiment 1
A kind of optical film with MULTILAYER COMPOSITE OCA glue-lines, including be bonded successively from top to bottom the first weight mould release membrance 11,
Two layers of Composite OC A glue-line 3 and the second weight mould release membrance 21, Composite OC A glue-lines 3 include the soft OCA glue-lines being bonded successively from top to bottom
31 and hard OCA glue-lines 32.
The first weight mould release membrance 11 is first weight mould release membrance 11 of the peeling force in 40g；The second weight mould release membrance 21 is
Second weight mould release membrance 21 of the peeling force in 40g；The first weight mould release membrance 11, the second weight mould release membrance 21 are PET weight mould release membrances；
The shore D hardness of the soft OCA glue-lines 31 is 27HA；The shore D hardness of the hard OCA glue-lines 32 is 46HA.
The thickness of the first weight mould release membrance 11 is 23 μm；The thickness of the soft OCA glue-lines 31 is 40 μm；The hard OCA
The thickness of glue-line 32 is 30 μm；The thickness of the second weight mould release membrance 21 is 23 μm.
The soft OCA glue is the model NP-0116H- of Hitachi Chemical Co., Ltd.'s production（k）Soft OCA glue, colloid is hard
Spend for 27HA；The hard OCA glue is the model Z-757-6 of Hitachi Chemical Co., Ltd.'s production（K）Hard OCA glue, colloid is hard
Spend 46HA.
A kind of preparation method of the optical film with MULTILAYER COMPOSITE OCA glue-lines, comprises the following steps：
（1）Prepare composite membrane A 1：
The first weight mould release membrance 11 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the first weight mould release membrance 11, it is high
Temperature solidification, forms the first soft OCA glue-lines 12；
The first light mould release membrance 14 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the first light mould release membrance 14, it is high
Temperature solidification, forms the first hard OCA glue-lines 13；
First soft OCA glue-lines 12 are bonded with the first hard OCA glue-lines 13, composite membrane A 1 are made, as shown in Figure 1；
（2）Prepare composite membrane B 2：
The second light mould release membrance 24 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the second light mould release membrance 24, it is high
Temperature solidification, forms the second soft OCA glue-lines 23；
The second weight mould release membrance 21 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the second weight mould release membrance 21, it is high
Temperature solidification, forms the second hard OCA glue-lines 22；
Second soft OCA glue-lines 23 are bonded with the second hard OCA glue-lines 22, composite membrane B 2 are made, as shown in Figure 2；
（3）Prepare the optical film with two layers of Composite OC A glue-line 3：
Tear composite membrane A 1 off first light mould release membrances 14, composite membrane B 2 is torn off second light mould release membrances 24, by composite membrane A
1 the first hard OCA glue-lines 13 are bonded with the second of composite membrane B 2 the soft OCA glue-lines 23 using laminating machine, and being made has two layers
The optical film of Composite OC A glue-lines 3, as shown in figure 3, as shown in Figure 3.
The first light mould release membrance 14 is first light mould release membrance 14 of the peeling force in 5g；The second light mould release membrance 24 is
Second light mould release membrance 24 of the peeling force in 5g；The first light mould release membrance 14, the second light mould release membrance 24 are the light mould release membrances of PET；
The first light mould release membrance 14, the thickness of the second light mould release membrance 24 are 23 μm.
The step（1）With the step（2）In, the temperature of hot setting is 100 DEG C, and the time of hot setting is
3min。
Embodiment 2
A kind of optical film with MULTILAYER COMPOSITE OCA glue-lines, including be bonded successively from top to bottom the first weight mould release membrance 11,
Three layers of Composite OC A glue-lines 3 and the second weight mould release membrance 21, Composite OC A glue-lines 3 include the soft OCA glue-lines being bonded successively from top to bottom
31 and hard OCA glue-lines 32.
The first weight mould release membrance 11 is first weight mould release membrance 11 of the peeling force in 45g；The second weight mould release membrance 21 is
Second weight mould release membrance 21 of the peeling force in 45g；The first weight mould release membrance 11, the second weight mould release membrance 21 are PET weight mould release membrances；
The shore D hardness of the soft OCA glue-lines 31 is 20HA；The shore D hardness of the hard OCA glue-lines 32 is 35HA.
The thickness of the first weight mould release membrance 11 is 50 μm；The thickness of the soft OCA glue-lines 31 is 50 μm；The hard OCA
The thickness of glue-line 32 is 35 μm；The thickness of the second weight mould release membrance 21 is 50 μm.
The soft OCA glue is the model CPPL-785-NL of Huang Chuan chemical syntheses Co., Ltd. production soft OCA glue；Institute
State hard OCA glue of the hard OCA glue for the model CPQI-882-1 (K) of Huang Chuan chemical syntheses Co., Ltd. production.
A kind of preparation method of the optical film with MULTILAYER COMPOSITE OCA glue-lines, comprises the following steps：
（1）Prepare composite membrane A 1：
The first weight mould release membrance 11 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the first weight mould release membrance 11, it is high
Temperature solidification, forms the first soft OCA glue-lines 12；
The first light mould release membrance 14 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the first light mould release membrance 14, it is high
Temperature solidification, forms the first hard OCA glue-lines 13；
First soft OCA glue-lines 12 are bonded with the first hard OCA glue-lines 13, composite membrane A 1 are made, as shown in Figure 1；
（2）Prepare composite membrane B 2：
The second light mould release membrance 24 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the second light mould release membrance 24, it is high
Temperature solidification, forms the second soft OCA glue-lines 23；
The second weight mould release membrance 21 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the second weight mould release membrance 21, it is high
Temperature solidification, forms the second hard OCA glue-lines 22；
Second soft OCA glue-lines 23 are bonded with the second hard OCA glue-lines 22, composite membrane B 2 are made, as shown in Figure 2；
（3）Prepare the optical film with two layers of Composite OC A glue-line 3：
Tear composite membrane A 1 off first light mould release membrances 14, composite membrane B 2 is torn off second light mould release membrances 24, by composite membrane A
1 the first hard OCA glue-lines 13 are bonded with the second of composite membrane B 2 the soft OCA glue-lines 23 using laminating machine, and being made has two layers
The optical film of Composite OC A glue-lines 3, as shown in Figure 3；
（4）Prepare the optical film with three layers of Composite OC A glue-lines 3：
Tear the optical film with two layers of Composite OC A glue-line 3 off second weight mould release membrance 21, take another composite membrane B 2, will be multiple
Close film B 2 and tear the second light mould release membrance 24 off, by second of the optical film with two layers of Composite OC A glue-line 3 the hard OCA glue-lines 22 and again
The the second soft OCA glue-lines 23 for closing film B 2 are bonded using laminating machine, and the optical film with three layers of Composite OC A glue-lines 3 is made,
As shown in Figure 4.
The first light mould release membrance 14 is first light mould release membrance 14 of the peeling force in 6g；The second light mould release membrance 24 is
Second light mould release membrance 24 of the peeling force in 6g；The first light mould release membrance 14, the second light mould release membrance 24 are the light mould release membrances of PET；
The first light mould release membrance 14, the thickness of the second light mould release membrance 24 are 50 μm.
The step（1）With the step（2）In, the temperature of hot setting is 120 DEG C, and the time of hot setting is
2.5min。
Embodiment 3
A kind of optical film with MULTILAYER COMPOSITE OCA glue-lines, including be bonded successively from top to bottom the first weight mould release membrance 11,
Four layers of Composite OC A glue-lines 3 and the second weight mould release membrance 21, Composite OC A glue-lines 3 include the soft OCA glue-lines being bonded successively from top to bottom
31 and hard OCA glue-lines 32.
The first weight mould release membrance 11 is first weight mould release membrance 11 of the peeling force in 50g；The second weight mould release membrance 21 is
Second weight mould release membrance 21 of the peeling force in 50g；The first weight mould release membrance 11, the second weight mould release membrance 21 are PET weight mould release membrances；
The shore D hardness of the soft OCA glue-lines 31 is 25HA；The shore D hardness of the hard OCA glue-lines 32 is 40HA.
The thickness of the first weight mould release membrance 11 is 50 μm；The thickness of the soft OCA glue-lines 31 is 50 μm；The hard OCA
The thickness of glue-line 32 is 40 μm；The thickness of the second weight mould release membrance 21 is 50 μm.
The soft OCA glue is the model AN-230 of Sojitz Corp.'s production soft OCA glue；The hard OCA glue is double
The model BN-025 of day Co., Ltd.'s production hard OCA glue.
A kind of preparation method of the optical film with MULTILAYER COMPOSITE OCA glue-lines, comprises the following steps：
（1）Prepare composite membrane A 1：
The first weight mould release membrance 11 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the first weight mould release membrance 11, it is high
Temperature solidification, forms the first soft OCA glue-lines 12；
The first light mould release membrance 14 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the first light mould release membrance 14, it is high
Temperature solidification, forms the first hard OCA glue-lines 13；
First soft OCA glue-lines 12 are bonded with the first hard OCA glue-lines 13, composite membrane A 1 are made, as shown in Figure 1；
（2）Prepare composite membrane B 2：
The second light mould release membrance 24 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the second light mould release membrance 24, it is high
Temperature solidification, forms the second soft OCA glue-lines 23；
The second weight mould release membrance 21 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the second weight mould release membrance 21, it is high
Temperature solidification, forms the second hard OCA glue-lines 22；
Second soft OCA glue-lines 23 are bonded with the second hard OCA glue-lines 22, composite membrane B 2 are made, as shown in Figure 2；
（3）Prepare the optical film with two layers of Composite OC A glue-line 3：
Tear composite membrane A 1 off first light mould release membrances 14, composite membrane B 2 is torn off second light mould release membrances 24, by composite membrane A
1 the first hard OCA glue-lines 13 are bonded with the second of composite membrane B 2 the soft OCA glue-lines 23 using laminating machine, and being made has two layers
The optical film of Composite OC A glue-lines 3, as shown in Figure 3；
（4）Prepare the optical film with three layers of Composite OC A glue-lines 3：
Tear the optical film with two layers of Composite OC A glue-line 3 off second weight mould release membrance 21, take another composite membrane B 2, will be multiple
Close film B 2 and tear the second light mould release membrance 24 off, by second of the optical film with two layers of Composite OC A glue-line 3 the hard OCA glue-lines 22 and again
The the second soft OCA glue-lines 23 for closing film B 2 are bonded using laminating machine, and the optical film with three layers of Composite OC A glue-lines 3 is made,
As shown in Figure 4；
（5）Repeat step（4）Once, the optical film with four layers of Composite OC A glue-lines 3 is made.
The first light mould release membrance 14 is first light mould release membrance 14 of the peeling force in 8g；The second light mould release membrance 24 is
Second light mould release membrance 24 of the peeling force in 8g；The first light mould release membrance 14, the second light mould release membrance 24 are the light mould release membrances of PET；
The first light mould release membrance 14, the thickness of the second light mould release membrance 24 are 50 μm.
The step（1）With the step（2）In, the temperature of hot setting is 150 DEG C, and the time of hot setting is
2min。
Embodiment 4
A kind of optical film with MULTILAYER COMPOSITE OCA glue-lines, including be bonded successively from top to bottom the first weight mould release membrance 11,
Five layers of Composite OC A glue-lines 3 and the second weight mould release membrance 21, Composite OC A glue-lines 3 include the soft OCA glue-lines being bonded successively from top to bottom
31 and hard OCA glue-lines 32.
The first weight mould release membrance 11 is first weight mould release membrance 11 of the peeling force in 55g；The second weight mould release membrance 21 is
Second weight mould release membrance 21 of the peeling force in 55g；The first weight mould release membrance 11, the second weight mould release membrance 21 are PET weight mould release membrances；
The shore D hardness of the soft OCA glue-lines 31 is 28HA；The shore D hardness of the hard OCA glue-lines 32 is 45HA.
The thickness of the first weight mould release membrance 11 is 75 μm；The thickness of the soft OCA glue-lines 31 is 60 μm；The hard OCA
The thickness of glue-line 32 is 45 μm；The thickness of the second weight mould release membrance 21 is 75 μm.
The soft OCA glue is the model CPPL-785-NL of Huang Chuan chemical syntheses Co., Ltd. production soft OCA glue；Institute
State hard OCA glue of the hard OCA glue for the model CPQI-882-1 (K) of Huang Chuan chemical syntheses Co., Ltd. production.
A kind of preparation method of the optical film with MULTILAYER COMPOSITE OCA glue-lines, comprises the following steps：
（1）Prepare composite membrane A 1：
The first weight mould release membrance 11 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the first weight mould release membrance 11, it is high
Temperature solidification, forms the first soft OCA glue-lines 12；
The first light mould release membrance 14 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the first light mould release membrance 14, it is high
Temperature solidification, forms the first hard OCA glue-lines 13；
First soft OCA glue-lines 12 are bonded with the first hard OCA glue-lines 13, composite membrane A 1 are made, as shown in Figure 1；
（2）Prepare composite membrane B 2：
The second light mould release membrance 24 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the second light mould release membrance 24, it is high
Temperature solidification, forms the second soft OCA glue-lines 23；
The second weight mould release membrance 21 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the second weight mould release membrance 21, it is high
Temperature solidification, forms the second hard OCA glue-lines 22；
Second soft OCA glue-lines 23 are bonded with the second hard OCA glue-lines 22, composite membrane B 2 are made, as shown in Figure 2；
（3）Prepare the optical film with two layers of Composite OC A glue-line 3：
Tear composite membrane A 1 off first light mould release membrances 14, composite membrane B 2 is torn off second light mould release membrances 24, by composite membrane A
1 the first hard OCA glue-lines 13 are bonded with the second of composite membrane B 2 the soft OCA glue-lines 23 using laminating machine, and being made has two layers
The optical film of Composite OC A glue-lines 3, as shown in Figure 3；
（4）Prepare the optical film with three layers of Composite OC A glue-lines 3：
Tear the optical film with two layers of Composite OC A glue-line 3 off second weight mould release membrance 21, take another composite membrane B 2, will be multiple
Close film B 2 and tear the second light mould release membrance 24 off, by second of the optical film with two layers of Composite OC A glue-line 3 the hard OCA glue-lines 22 and again
The the second soft OCA glue-lines 23 for closing film B 2 are bonded using laminating machine, and the optical film with three layers of Composite OC A glue-lines 3 is made,
As shown in Figure 4；
（5）Repeat step（4）Twice, the optical film with five layers of Composite OC A glue-lines 3 is made.
The first light mould release membrance 14 is first light mould release membrance 14 of the peeling force in 10g；The second light mould release membrance 24 is
Second light mould release membrance 24 of the peeling force in 10g；The first light mould release membrance 14, the second light mould release membrance 24 are PET gently release
Film；The first light mould release membrance 14, the thickness of the second light mould release membrance 24 are 75 μm.
The step（1）With the step（2）In, the temperature of hot setting is 180 DEG C, and the time of hot setting is
1.5min。
Embodiment 5
A kind of optical film with MULTILAYER COMPOSITE OCA glue-lines, including be bonded successively from top to bottom the first weight mould release membrance 11,
Six layers of Composite OC A glue-lines 3 and the second weight mould release membrance 21, Composite OC A glue-lines 3 include the soft OCA glue-lines being bonded successively from top to bottom
31 and hard OCA glue-lines 32.
The first weight mould release membrance 11 is first weight mould release membrance 11 of the peeling force in 60g；The second weight mould release membrance 21 is
Second weight mould release membrance 21 of the peeling force in 60g；The first weight mould release membrance 11, the second weight mould release membrance 21 are PET weight mould release membrances；
The shore D hardness of the soft OCA glue-lines 31 is 30HA；The shore D hardness of the hard OCA glue-lines 32 is 50HA.
The thickness of the first weight mould release membrance 11 is 100 μm；The thickness of the soft OCA glue-lines 31 is 70 μm；The hard OCA
The thickness of glue-line 32 is 50 μm；The thickness of the second weight mould release membrance 21 is 100 μm.
The soft OCA glue is the model AN-230 of Sojitz Corp.'s production soft OCA glue；The hard OCA glue is double
The model BN-025 of day Co., Ltd.'s production hard OCA glue.
A kind of preparation method of the optical film with MULTILAYER COMPOSITE OCA glue-lines, comprises the following steps：
（1）Prepare composite membrane A 1：
The first weight mould release membrance 11 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the first weight mould release membrance 11, it is high
Temperature solidification, forms the first soft OCA glue-lines 12；
The first light mould release membrance 14 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the first light mould release membrance 14, it is high
Temperature solidification, forms the first hard OCA glue-lines 13；
First soft OCA glue-lines 12 are bonded with the first hard OCA glue-lines 13, composite membrane A 1 are made, as shown in Figure 1；
（2）Prepare composite membrane B 2：
The second light mould release membrance 24 is taken, the soft OCA glue of one layer of comma formula scraper for coating is used on the second light mould release membrance 24, it is high
Temperature solidification, forms the second soft OCA glue-lines 23；
The second weight mould release membrance 21 is taken, the hard OCA glue of one layer of comma formula scraper for coating is used on the second weight mould release membrance 21, it is high
Temperature solidification, forms the second hard OCA glue-lines 22；
Second soft OCA glue-lines 23 are bonded with the second hard OCA glue-lines 22, composite membrane B 2 are made, as shown in Figure 2；
（3）Prepare the optical film with two layers of Composite OC A glue-line 3：
Tear composite membrane A 1 off first light mould release membrances 14, composite membrane B 2 is torn off second light mould release membrances 24, by composite membrane A
1 the first hard OCA glue-lines 13 are bonded with the second of composite membrane B 2 the soft OCA glue-lines 23 using laminating machine, and being made has two layers
The optical film of Composite OC A glue-lines 3, as shown in Figure 3；
（4）Prepare the optical film with three layers of Composite OC A glue-lines 3：
Tear the optical film with two layers of Composite OC A glue-line 3 off second weight mould release membrance 21, take another composite membrane B 2, will be multiple
Close film B 2 and tear the second light mould release membrance 24 off, by second of the optical film with two layers of Composite OC A glue-line 3 the hard OCA glue-lines 22 and again
The the second soft OCA glue-lines 23 for closing film B 2 are bonded using laminating machine, and the optical film with three layers of Composite OC A glue-lines 3 is made,
As shown in Figure 4；
（5）Repeat step（4）Three times, the optical film with six layers of Composite OC A glue-lines 3 is made.
The first light mould release membrance 14 is first light mould release membrance 14 of the peeling force in 12g；The second light mould release membrance 24 is
Second light mould release membrance 24 of the peeling force in 12g；The first light mould release membrance 14, the second light mould release membrance 24 are PET gently release
Film；The first light mould release membrance 14, the thickness of the second light mould release membrance 24 are 100 μm.
The step（1）With the step（2）In, the temperature of hot setting is 200 DEG C, and the time of hot setting is
1min。
The test result of the optical film of MULTILAYER COMPOSITE OCA glue-lines 3 is as shown in table 1 made from embodiment 1-5.
Table 1
| Test event | Thickness deviation（mm） | Be bonded flat screen after whether alice |
| Embodiment 1 | 0.005-0.01 | Without alice phenomenon |
| Embodiment 2 | 0.01-0.0185 | Without alice phenomenon |
| Embodiment 3 | 0.185-0.265 | Without alice phenomenon |
| Embodiment 4 | 0.265-0.348 | Without alice phenomenon |
| Embodiment 5 | 0.348-0.425 | Without alice phenomenon |
Above-described embodiment is the preferable implementation of the present invention, and in addition, the present invention can be realized with other manner,
Do not depart from and any on the premise of present inventive concept obviously replace within protection scope of the present invention.
Claims (5)
- A kind of 1. optical film with MULTILAYER COMPOSITE OCA glue-lines, it is characterised in that：Including the first weight being bonded successively from top to bottom Mould release membrance, at least two layers of Composite OC A glue-line and the second heavy mould release membrance, Composite OC A glue-lines are soft including being bonded successively from top to bottom OCA glue-lines and hard OCA glue-lines；The soft OCA glue-lines, the raw material of hard OCA glue-lines are any one in acrylic acid, silica gel and polyurethane.
- A kind of 2. optical film with MULTILAYER COMPOSITE OCA glue-lines according to claim 1, it is characterised in that：Described first Weight mould release membrance is first heavy mould release membrance of the peeling force in 40-60g；The second weight mould release membrance is peeling force the second of 40-60g Weight mould release membrance；The first weight mould release membrance, the second weight mould release membrance are PET weight mould release membrances；The shore D of the soft OCA glue-lines is hard Spend for 20-30HA；The shore D hardness of the hard OCA glue-lines is 35-50HA.
- A kind of 3. optical film with MULTILAYER COMPOSITE OCA glue-lines according to claim 1, it is characterised in that：Described first The thickness of weight mould release membrance is 23-100 μm；The thickness of the soft OCA glue-lines is 40-70 μm；The thickness of the hard OCA glue-lines is 30-50μm；The thickness of the second weight mould release membrance is 23-100 μm.
- 4. a kind of preparation method of optical film with MULTILAYER COMPOSITE OCA glue-lines as described in claim any one of 1-3, it is special Sign is：Comprise the following steps：(1) composite membrane A is prepared：The first heavy mould release membrance is taken, one layer of soft OCA glue is coated with the first weight mould release membrance, hot setting, forms the first soft OCA glue Layer；The first light mould release membrance is taken, one layer of hard OCA glue is coated with the first light mould release membrance, hot setting, forms the first hard OCA glue Layer；First soft OCA glue-lines are bonded with the first hard OCA glue-lines, composite membrane A is made；(2) composite membrane B is prepared：The second light mould release membrance is taken, one layer of soft OCA glue is coated with the second light mould release membrance, hot setting, forms the second soft OCA glue Layer；The second heavy mould release membrance is taken, one layer of hard OCA glue is coated with the second weight mould release membrance, hot setting, forms the second hard OCA glue Layer；Second soft OCA glue-lines are bonded with the second hard OCA glue-lines, composite membrane B is made；(3) optical film with two layers of Composite OC A glue-line is prepared：Tear composite membrane A off first light mould release membrances, composite membrane B is torn off second light mould release membrances, by the first of composite membrane A the hard OCA Glue-line is bonded with composite membrane B the second soft OCA glue-lines, and the optical film with two layers of Composite OC A glue-line is made；In the step (1) and the step (2), the temperature of hot setting is 100-200 DEG C, and the time of hot setting is 1- 3min。
- 5. a kind of preparation method of optical film with MULTILAYER COMPOSITE OCA glue-lines according to claim 4, its feature exist In：Also include after the step (3)：(4) optical film with three layers of Composite OC A glue-lines is prepared：Tear the optical film with two layers of Composite OC A glue-line off second heavy mould release membrance, take another composite membrane B, composite membrane B is torn off Second light mould release membrance, by second of the optical film with two layers of Composite OC A glue-line the hard OCA glue-lines and composite membrane B the second soft OCA Glue-line is bonded, and the optical film with three layers of Composite OC A glue-lines is made；(5) repeat step (4), the optical film with more than three layers Composite OC A glue-lines is made.
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| CN106183121B (en) * | 2016-07-18 | 2018-07-13 | 东莞市纳利光学材料有限公司 | A kind of protective film and preparation method thereof |
| CN106903937A (en) * | 2017-04-01 | 2017-06-30 | 合肥美凯电子有限公司 | A kind of multi-functional OCA optical films |
| CN107216826B (en) * | 2017-07-28 | 2020-10-30 | 海信视像科技股份有限公司 | Conductive cloth and manufacturing method thereof |
| CN111615543A (en) * | 2018-01-18 | 2020-09-01 | 王子控股株式会社 | Double-sided adhesive sheet and double-sided adhesive sheet with release sheet |
| CN108819433A (en) * | 2018-05-16 | 2018-11-16 | 武汉华星光电半导体显示技术有限公司 | A kind of applying method of display device and 3D glass cover-plate |
| CN108803077B (en) * | 2018-06-12 | 2020-08-28 | 湖南工学院 | Contact lens for correcting achromatopsia and manufacturing method thereof |
| CN109628007B (en) * | 2018-12-20 | 2021-04-20 | 东莞市金恒晟新材料科技有限公司 | Multipurpose OCA protective film with tearing-off pull handle |
| CN110437752B (en) * | 2019-07-08 | 2020-09-08 | 武汉华星光电半导体显示技术有限公司 | Optical cement, display panel and manufacturing method of optical cement |
| CN112659711A (en) * | 2019-10-15 | 2021-04-16 | 爱元福科技股份有限公司 | Method for manufacturing surface decorative layer |
| CN113652175A (en) * | 2021-08-31 | 2021-11-16 | 太湖金张科技股份有限公司 | Composite silica gel OCA adhesive tape and preparation method thereof |
| CN113881364A (en) * | 2021-10-27 | 2022-01-04 | 惠州市摩码鼎力科技有限公司 | Preparation method of adhesive film and adhesive film |
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