CN109655948A - A kind of scratch resistance optics bubble diffusion barrier and preparation method thereof - Google Patents
A kind of scratch resistance optics bubble diffusion barrier and preparation method thereof Download PDFInfo
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- CN109655948A CN109655948A CN201811585269.5A CN201811585269A CN109655948A CN 109655948 A CN109655948 A CN 109655948A CN 201811585269 A CN201811585269 A CN 201811585269A CN 109655948 A CN109655948 A CN 109655948A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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Abstract
The present invention relates to a kind of optical diffusion frontiers, especially a kind of to reduce scratch resistance optics bubble diffusion barrier of polarisation pad wear and preparation method thereof.In order to solve the problems, such as that the cloudy surface particle coating of existing optical diffusion easily scratches polaroid, the present invention provides a kind of scratch resistance polaroid optics bubble diffusion barrier and preparation method thereof.The optics bubble diffusion barrier includes cloudy surface bubble coating, transparent substrate, bright finishing coat；The cloudy surface bubble coating includes bubble.Scratch resistance polaroid optics bubble diffusion barrier provided by the invention replaces cloudy surface particle coating with cloudy surface bubble coating, and cloudy surface bubble coating does not contain diffusion particle；Contact between cloudy surface particle coating and polaroid is face contact, and the contact between cloudy surface bubble layer and polaroid is point contact；So that contact area is become point contact from face contact, fundamentally greatly reduces the abrasion to polaroid, improve resource utilization, reduce production cost, and structure is simple, easily prepared.
Description
Technical field
The present invention relates to a kind of optical diffusion frontier, especially a kind of scratch resistance optics that can reduce polarisation pad wear
Bubble diffusion barrier and preparation method thereof.
Background technique
In recent years, as LCD technology such as tablet computer, laptop, TV, mobile phone etc. constantly rises, consumption
Person requires display picture image also higher and higher.One good display device not only needs to clearly display picture, also wants
Ask in bright gay color, image is undistorted etc., therefore the backlight module as opticator in display device seems most important.Optics
Diffusion barrier plays decisive role as the important component in backlight module, to the final image picture of display device.Light
It learns diffusion barrier and is widely used in the fields such as LCD backlight module displays device, advertisement background illumination, lamp box advertisement.Especially carried on the back in liquid crystal
In optical mode group display, diffusion barrier is crucial component.
Backlight module (BLU) is usually made of polaroid, light guide plate, optical film (diffusion barrier, brightness enhancement film).Polaroid and expansion
Abrasion can be had to polaroid by prolonged contact by dissipating film, influence area source and effect is finally presented, to imitate to spectators' vision
Fruit has an impact.
Traditional optical diffusion barrier aiming at the problem that scratching polaroid, using reduce cloudy surface particle coating in particle size,
Making the roughness of cloudy surface particle coating reduces, and scratches polaroid problem for improving；But using reduction cloudy surface particle coating particle
Size, improvement is less obvious, cannot fundamentally solve the problems, such as to scratch polaroid.
Summary of the invention
In order to solve the problems, such as that the cloudy surface particle coating of existing optical diffusion easily scratches polaroid, the present invention provides a kind of anti-
Scratch polaroid optics bubble diffusion barrier and preparation method thereof.Scratch resistance polaroid optics bubble diffusion barrier provided by the invention is used
Cloudy surface bubble coating (referred to as cloudy surface bubble layer) replaces cloudy surface particle coating, and cloudy surface bubble coating does not contain diffusion particle；Mist
Contact between face particle coating and polaroid is face contact, and the contact between cloudy surface bubble layer and polaroid is point contact；
So that contact area is become point contact from face contact, fundamentally greatly reduces the abrasion to polaroid, mention
High resource utilization, reduces production cost, and structure is simple, easily prepared and environmentally protective.
In order to solve the above-mentioned technical problem, the present invention uses following technical solution are as follows:
The present invention provides a kind of scratch resistance optics bubble diffusion barrier, and the optics bubble diffusion barrier includes cloudy surface bubble coating
(also referred to as cloudy surface bubble layer), transparent substrate, bright finishing coat.The cloudy surface bubble coating includes bubble.The cloudy surface bubble applies
Layer is covered in the upper surface of substrate, and the bright finishing coat is covered in the lower surface of substrate.Further, affiliated bubble is air bubble.
Further, the anti scuffing optics bubble diffusion barrier successively includes cloudy surface bubble coating, transparent base from top to bottom
Material and bright finishing coat.
Above-mentioned scratch resistance optics bubble diffusion barrier is also referred to as scratch resistance polaroid optics bubble diffusion barrier.
The cloudy surface bubble coating is free of optics diffusion particle.
Further, the transparent substrate with a thickness of 50-400 μm, further, the transparent substrate with a thickness of
50-400μm.Further, the transparent substrate with a thickness of 60-80 μm, 90-160 μm or 180-300 μm.One step, it is described
Transparent substrate with a thickness of 75-250 μm.Further, the transparent substrate with a thickness of 188 μm.
Further, the material of the substrate layer is selected from polyethylene terephthalate, polymethyl methacrylate, poly- first
One of base butyl acrylate, polycarbonate, polyamide, polyimides or polystyrene.Further, of the present invention
Bright substrate chooses polyethylene terephthalate.
Further, the formula of the cloudy surface bubble layer includes resin film forming matter, curing agent, foaming agent, auxiliary agent, solvent etc..
Further, the formula of the bright finishing coat include resin film forming matter, it is curing agent, optics diffusion particle, auxiliary agent, molten
Agent.
Further, the weight of optics diffusion particle accounts for the 20.8% of resin film forming matter total weight in the bright finishing coat.
Heretofore described percentage composition is weight percentage.
Further, the cloudy surface bubble layer, the resin film forming matter in bright finishing coat be selected from acrylic resin, polyurethane,
At least two combination in propylene polyalcohol or epoxy resin is constituted.
Further, the light diffusion particle in the bright finishing coat can be selected polymethyl methacrylate (PMMA) particle,
Vinalac 5920 (PBMA) particle, polyethylene (PE) particle, polyamide (PA) particle, gathers polypropylene (PP) particle
Styrene (PS) particle, polyurethane (PU) particle, titanium dioxide (TiO2) particle, silica (SiO2) particle or organic silicon grain
One of son or at least two combination.
Further, bright finishing coat of the invention is by resin film forming matter, curing agent, light diffusion particle, foaming agent, auxiliary agent
And solvent appropriate is deployed into coating fluid, using coating methods such as scraper for coating method, spray coating method, print roll coating, airblade coatings
It is solidified to form by being coated and dried.
Further, cloudy surface bubble layer is to deploy resin film forming matter, curing agent, foaming agent, auxiliary agent and appropriate solvent
At coating fluid, heated after application, foaming forms bubble during heating, will be formed by bubble and forms by dry solidification
Type.
Further, the coating thickness of the cloudy surface bubble coating is 5-23 μm.
Further, the coating thickness of the bright finishing coat is 5 μm.
Further, the size of bubble is 3-25 μm in the cloudy surface bubble coating.
Further, the coating thickness of the cloudy surface bubble coating is 13-15 μm.Further, in the cloudy surface bubble coating
The size of bubble is 11-16 μm.Preceding solution includes embodiment 4-5.
Further, the auxiliary agent is selected from photoinitiator, photopolymerization reaction promotor, slipping agent, antioxidant, antistatic
One of agent or at least two combination.
The auxiliary agent be selected from one of light stabilizer, antistatic agent, levelling agent, dispersing agent, slipping agent or wetting agent or
At least two combination.
The additive amount of the auxiliary agent is the 0.5%-4% of resin film forming matter weight.
Further, the foaming agent in the cloudy surface bubble layer of scratch resistance polaroid optics bubble diffusion barrier is selected from azo compounds
One of object foaming agent or nitroso compound foaming agent or at least two mixing.
Further, during the preparation process, cloudy surface bubble layer is configured to coating fluid, the coating fluid include resin film forming matter,
Curing agent and foaming agent, auxiliary agent, solvent；The additive amount of the foaming agent is the 0.5%-4% of resin film forming matter, the additive amount
For the percentage composition of weight.
Further, the cloudy surface bubble layer coating fluid includes following compositions: (solid content is acrylic resin 16.8%
60%), isocyanate curing agent 2.4% (solid content 40%), foaming agent 0.5-4%, ethyl acetate 38-40%, cyclohexanone
38.5-40%, levelling agent 0.2%, dispersing agent 0.1%.
Further, the cloudy surface bubble layer coating fluid includes following compositions: (solid content is acrylic resin 16.8%
60%), isocyanate curing agent 2.4% (solid content 40%), foaming agent 2-2.5%, ethyl acetate 39%, cyclohexanone
39.5%, levelling agent 0.2%, dispersing agent 0.1%.Preceding solution includes embodiment 4-5.
Further, the bright topcoat coating fluid includes following compositions: (solid content is acrylic resin 17.2%
60%), isocyanate curing agent 2.2% (solid content 40%), (average grain diameter: 5 μ of polymethyl methacrylate particle 5%
M), polybutyl methacrylate particle 5% (average grain diameter: 15 μm), ethyl acetate 35%, butyl acetate 35%, levelling agent
0.2%, dispersing agent 0.2%, antistatic agent 0.2%.
Further, the resin film forming matter is selected from acrylic resin.
Further, the curing agent is selected from isocyanate curing agent.
The present invention also provides the preparation method of the scratch resistance polaroid optics bubble diffusion barrier, the preparation method includes
Following step:
(1) prepare anti scuffing optics bubble diffusion barrier in bright topcoat coating fluid: addition resin film forming matter, curing agent,
Simultaneously solvent appropriate is added in optics diffusion particle, adjusts coating fluid viscosity, to be applicable in coating process；
(2) it prepares bright finishing coat: the coating fluid that step (1) obtains being coated on to the one side of transparent substrate, is placed in baking oven
Middle curing solidification；
(3) the cloudy surface bubble coating coating fluid in anti scuffing optics bubble diffusion barrier: addition resin film forming matter, solidification is prepared
Simultaneously solvent appropriate is added in agent, foaming agent, adjusts coating fluid viscosity, to be applicable in coating process；
(4) it prepares cloudy surface bubble coating: the coating fluid that step (3) obtains is coated on to the another side of transparent substrate, juxtaposition
It foams in baking oven, molding to be foamed, which is placed in baking oven, cures solidification.
Further, the preparation method includes the following steps:
(1) prepare the bright topcoat coating fluid in scratch resistance polaroid optics bubble diffusion barrier: successively addition is set in order
Rouge film forming matter, curing agent, optics diffusion particle, and solvent appropriate is added, coating fluid viscosity is adjusted, to be applicable in coating process.
(2) it prepares bright finishing coat: the coating fluid in step (1) is coated on to the one side of transparent substrate, be placed in 60 ° of baking ovens
Middle curing solidifies 12 hours.
(3) it prepares the cloudy surface bubble coating coating fluid in scratch resistance polaroid optics bubble diffusion barrier: successively adding in order
Add resin film forming matter, curing agent, foaming agent, and solvent appropriate is added, adjust coating fluid viscosity, to be applicable in coating process.
(4) it prepares cloudy surface bubble coating: the coating fluid in step (3) being coated on to the another side of transparent substrate, is placed in
It foams 2 hours in 80 ° of baking ovens, it is 60 ° that oven temperature is adjusted after molding to be foamed, and it is small to be placed in curing solidification 12 in 60 ° of baking ovens
When.
Further, the cloudy surface bubble layer, solvent adjustment viscosity can be added in the coating fluid in bright finishing coat, be suitable for
Coating process.The solvent is selected from one of ethyl acetate, butyl acetate, butanone or cyclohexanone or a variety of combinations.
Further, auxiliary agent can also be added in the coating fluid of the cloudy surface bubble layer, bright finishing coat, to improve the property of coating
Energy.
Scratch resistance optics bubble diffusion barrier provided by the invention is not easy to scratch polaroid, reduces the abrasion to polaroid,
It improves resource utilization, reduces production cost.Preparation method simple process provided by the invention, it is easily operated.
Detailed description of the invention
Fig. 1 is that scratch resistance polaroid optics bubble provided by the invention spreads membrane structure diagram.
Specific embodiment
It, hereafter will be of the invention preferable for the functional character and advantage that is more readily understood structure of the invention and can reach
Embodiment, and schema is cooperated to be described below in detail.
As shown in Figure 1, scratch resistance optics bubble diffusion barrier provided by the invention, including transparent substrate 101, cloudy surface bubble apply
Layer 106 and bright finishing coat 107；Cloudy surface bubble coating 106 includes air bubble 102, resin film forming matter 103；Bright finishing coat 107 wraps
Diffusion particle containing optics 104, resin film forming matter 105.
Embodiment 1
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 2
Material table, obtain cloudy surface bubble layer coating fluid within 1 hour by stirring, cloudy surface bubble layer coating fluid be coated on a thickness of 188 μ
The upper surface PET of m is thermally formed foaming structure by 80 °, and obtaining foaming layer coating thickness is 5 μm, and adjustment oven temperature is
60 ° are heating and curing 12 hours.
The bright finishing coat component list of table 1
Embodiment 2
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 3
Material table, obtain cloudy surface bubble layer coating fluid within 1 hour by stirring, cloudy surface bubble layer coating fluid be coated on a thickness of 188 μ
The upper surface PET of m is thermally formed foaming structure by 80 °, and obtaining foaming layer coating thickness is 7 μm, and adjustment oven temperature is
60 ° are heating and curing 12 hours.
Embodiment 3
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 4
Material table, obtain cloudy surface bubble layer coating fluid within 1 hour by stirring, cloudy surface bubble layer coating fluid be coated on a thickness of 188 μ
The upper surface PET of m is thermally formed foaming structure by 80 °, and obtaining foaming layer coating thickness is 9 μm, and adjustment oven temperature is
60 ° are heating and curing 12 hours.
Embodiment 4
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 5
Material table, obtain cloudy surface bubble layer coating fluid within 1 hour by stirring, cloudy surface bubble layer coating fluid be coated on a thickness of 188 μ
The upper surface PET of m is thermally formed foaming structure by 80 °, and obtaining foaming layer coating thickness is 13 μm, and adjustment oven temperature is
60 ° are heating and curing 12 hours.
Embodiment 5
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 6
Material table, obtain cloudy surface bubble layer coating fluid within 1 hour by stirring, cloudy surface bubble layer coating fluid be coated on a thickness of 188 μ
The upper surface PET of m is thermally formed foaming structure by 80 °, and obtaining foaming layer coating thickness is 15 μm, and adjustment oven temperature is
60 ° are heating and curing 12 hours.
Embodiment 6
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 7
Material table, obtain cloudy surface bubble layer coating fluid within 1 hour by stirring, cloudy surface bubble layer coating fluid be coated on a thickness of 188 μ
The upper surface PET of m is thermally formed foaming structure by 80 °, and obtaining foaming layer coating thickness is 17 μm, and adjustment oven temperature is
60 ° are heating and curing 12 hours.
Embodiment 7
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 8
Material table, obtain cloudy surface bubble layer coating fluid within 1 hour by stirring, cloudy surface bubble layer coating fluid be coated on a thickness of 188 μ
The upper surface PET of m is thermally formed foaming structure by 80 °, and obtaining foaming layer coating thickness is 19 μm, and adjustment oven temperature is
60 ° are heating and curing 12 hours.
Embodiment 8
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 9
Material table, obtain cloudy surface bubble layer coating fluid within 1 hour by stirring, cloudy surface bubble layer coating fluid be coated on a thickness of 188 μ
The upper surface PET of m is thermally formed foaming structure by 80 °, and obtaining foaming layer coating thickness is 23 μm of layers, adjusts oven temperature
It is heating and curing 12 hours for 60 °.
Comparative example 1
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 10
Material table, obtain cloudy surface particle coating coating fluid within 1 hour by stirring, by cloudy surface particle coating coating fluid be coated on a thickness of
188 μm of the upper surface PET is heating and curing 12 hours by 60 ° of baking ovens, obtains cloudy surface particle coating with a thickness of 7 μm of foaming layers.
Comparative example 2
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 11
Material table, obtain cloudy surface particle coating coating fluid within 1 hour by stirring, by cloudy surface particle coating coating fluid be coated on a thickness of
188 μm of the upper surface PET is heating and curing 12 hours by 60 ° of baking ovens, and obtaining cloudy surface particle thickness is 12 μm of foaming layers.
Comparative example 3
According to the material table of table 1, bright topcoat coating fluid is obtained by stirring 1 hour, bright face coating fluid is coated on thickness
The lower surface PET that degree is 188 μm, is heating and curing 12 hours by 60 ° of baking ovens, is obtained with a thickness of 5 μm of bright finishing coats；According to table 12
Material table, obtain cloudy surface particle coating coating fluid within 1 hour by stirring, by cloudy surface particle coating coating fluid be coated on a thickness of
188 μm of the upper surface PET is heating and curing 12 hours by 60 ° of baking ovens, and obtaining cloudy surface particle thickness is 17 μm of foaming layers.
The optics bubble diffusion barrier that the present invention obtains and the cloudy surface particle coating optical diffusion that comparative example obtains are carried out
Wear-resisting test.
The observation of polaroid abrasion condition, is divided into 0 according to the degree of wear of polaroid after wearability detection is predominantly tested
Grade (no abrasion), 1 grade (mild wear, but do not influence to use), 2 grades (moderate wear, influence using), 3 grades (be seriously worn, no
It can be used).
Prepare the A4 sample of cloudy surface particle coating optical diffusion obtained in optics bubble diffusion barrier of the present invention and comparative example
This each 3, Air Bubble Size caused by optics bubble diffusion barrier first is observed with laser capture microdissection；In abrasion tester (model
A20-339) polaroid of fixed test, the cloudy surface bubble layer or cloudy surface particle coating of diffusion barrier are in contact with polaroid, make light
The cloudy surface bubble layer and cloudy surface particle coating for learning bubble diffusion barrier rub under 125g counterweight 1 time back and forth respectively, and frictional distance is
8cm, wear resistant instrument speed are 20rpm.Gained rubs test results are as shown in Table 12.
Testing result as shown in table 1 it can be concluded that, at identical conditions, with the increase of foaming agents content, cloudy surface gas
The increase of alveolar layer coating thickness and bubble number, especially coating thickness are 13-17 μm, and Air Bubble Size is to compare under 11-18 μm
Cloudy surface particle is coated with to the abrasion improvement of polaroid clearly, is had reached and is fundamentally solved to scratch asking for polaroid
Topic.
Testing result as shown in table 1 it can be concluded that, scratch resistance optics bubble diffusion barrier provided by the invention can be effectively reduced
Scuffing degree of the diffusion barrier to polaroid.Wherein, mill of the scratch resistance optics bubble diffusion barrier that embodiment 4-5 is provided to polaroid
Damage improvement becomes apparent from.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
The equivalent changes and modifications that content is done according to the present invention are encompassed by the scope of the patents of the invention.
Claims (10)
1. a kind of anti scuffing optics bubble diffusion barrier, which is characterized in that the diffusion barrier includes cloudy surface bubble coating, transparent base
Material and bright finishing coat.
2. requiring the anti scuffing optics bubble diffusion barrier according to right 1, which is characterized in that the anti scuffing optics bubble expands
Scattered film successively includes cloudy surface bubble coating, transparent substrate and bright finishing coat from top to bottom.
3. requiring the anti scuffing optics bubble diffusion barrier according to right 1, which is characterized in that the cloudy surface bubble coating includes
Bubble.
4. anti scuffing optics bubble diffusion barrier according to claim 1, which is characterized in that the cloudy surface bubble coating is matched
Side includes resin film forming matter, curing agent, foaming agent, auxiliary agent, solvent；The formula of the bright finishing coat includes resin film forming matter, consolidates
Agent, optics diffusion particle, auxiliary agent, solvent.
5. anti scuffing optics bubble diffusion barrier according to claim 1, which is characterized in that the cloudy surface bubble coating is free of
Light diffusion particle.
6. anti scuffing optics bubble diffusion barrier according to claim 1, which is characterized in that the thickness of the cloudy surface bubble coating
Degree is 5-23 μm.
7. anti scuffing optics bubble diffusion barrier according to claim 1, which is characterized in that during the preparation process, cloudy surface gas
The raw material of bubble coating is first configured to coating fluid, and the coating fluid includes resin film forming matter, curing agent and foaming agent, auxiliary agent, solvent；
The additive amount of the foaming agent is the 0.5%-4% of coating fluid total amount, and the percentage composition is weight percentage.
8. anti scuffing optics bubble diffusion barrier according to claim 7, which is characterized in that the resin film forming matter is selected from third
Olefin(e) acid resin.
9. anti scuffing optics bubble diffusion barrier according to claim 7, which is characterized in that the curing agent is selected from isocyanic acid
Ester curing agent.
10. the preparation method of anti scuffing optics bubble diffusion barrier according to claim 1 to 9, feature exist
In the preparation method includes the following steps:
(1) the bright topcoat coating fluid in anti scuffing optics bubble diffusion barrier: addition resin film forming matter, curing agent, optics is prepared
Simultaneously solvent appropriate is added in diffusion particle, adjusts coating fluid viscosity, to be applicable in coating process；
(2) it prepares bright finishing coat: the coating fluid that step (1) obtains is coated on to the one side of transparent substrate, be placed in ripe in baking oven
Change solidification；
(3) prepare anti scuffing optics bubble diffusion barrier in cloudy surface bubble coating coating fluid: addition resin film forming matter, curing agent,
Simultaneously solvent appropriate is added in foaming agent, adjusts coating fluid viscosity, to be applicable in coating process；
(4) it prepares cloudy surface bubble coating: the coating fluid that step (3) obtains being coated on to the another side of transparent substrate, is placed in baking
It foams in case, molding to be foamed, which is placed in baking oven, cures solidification.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989059A (en) * | 2019-12-23 | 2020-04-10 | 宁波长阳科技股份有限公司 | Reflective film and method for producing same |
| CN113174079A (en) * | 2021-05-06 | 2021-07-27 | 深圳市壹鑫光学电子有限公司 | Scratch-resistant optical reflection film and preparation method thereof, backlight module and liquid crystal display panel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196327A (en) * | 2017-12-04 | 2018-06-22 | 宁波激智科技股份有限公司 | A kind of scratch resistance optical diffusion and preparation method thereof |
-
2018
- 2018-12-24 CN CN201811585269.5A patent/CN109655948A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196327A (en) * | 2017-12-04 | 2018-06-22 | 宁波激智科技股份有限公司 | A kind of scratch resistance optical diffusion and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989059A (en) * | 2019-12-23 | 2020-04-10 | 宁波长阳科技股份有限公司 | Reflective film and method for producing same |
| CN113174079A (en) * | 2021-05-06 | 2021-07-27 | 深圳市壹鑫光学电子有限公司 | Scratch-resistant optical reflection film and preparation method thereof, backlight module and liquid crystal display panel |
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Application publication date: 20190419 |