CN106680920B - A kind of Anti-scratching reflectance coating and preparation method thereof - Google Patents
A kind of Anti-scratching reflectance coating and preparation method thereof Download PDFInfo
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- CN106680920B CN106680920B CN201510759533.2A CN201510759533A CN106680920B CN 106680920 B CN106680920 B CN 106680920B CN 201510759533 A CN201510759533 A CN 201510759533A CN 106680920 B CN106680920 B CN 106680920B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/0825—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only
- G02B5/0833—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only comprising inorganic materials only
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/0825—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only
- G02B5/0841—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only comprising organic materials, e.g. polymers
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Abstract
The present invention relates to a kind of reflectance coatings applied to backlight of LCD more particularly to a kind of Anti-scratching reflectance coating and preparation method thereof.Generation is contacted to solve the problems, such as existing reflectance coating with light guide plate and scrapes phenomenon, and the present invention provides a kind of Anti-scratching reflectance coating and preparation method thereof.The Anti-scratching reflectance coating includes reflecting layer, layer of polyurethane and hardened layer, and the layer of polyurethane is coated on the upper surface in the reflecting layer, and the hardened layer is coated on the upper surface of the layer of polyurethane；The hardened layer includes elastic particle.Anti-scratching reflectance coating tensile property provided by the invention is excellent, to light guide plate without phenomenon is scraped, is not easy to adsorb light guide plate, and luminance with higher.
Description
Technical field
The present invention relates to a kind of reflectance coating applied to backlight of LCD more particularly to a kind of Anti-scratching reflectance coatings
And preparation method thereof.
Background technique
LCD technology (LCD) has had been a concern since emerge.LCD is with rich in color, picture is soft, green
Colour circle guarantor, low-carbon energy-saving, radiate low advantage, it is believed that can be the mainstream skill in field of liquid crystal display within following one period
Art.Liquid crystal molecule itself will not shine, it shows image or character is the result that it is modulated the light of backlight sending.
LCD panel itself does not have luminous characteristic yet, and back light is needed to provide light.
Main optical film has reflectance coating, diffusion barrier and brightness enhancement film in backlight module.The effect of reflectance coating is exactly by light
The light that source issues reflexes to incident light side as fully as possible, to reduce light loss, reaches raising backlight illumination, or
Reduce the purpose of power consumption.Reflectance coating obtains microcellular structure by addition particle or incompatible resin, due to substrate resin with
The refractive index difference of micropore or particle increases the reflex of light, to improve reflectivity.
In side entrance back module, due to the presence of light guide plate, it can directly contact and scrape with reflection film surface, damage
Hurt light guide plate.Therefore, it is necessary to guarantee to have a certain distance between reflectance coating and light guide plate.Common light guide plate has in the market
PMMA, PC and ZEONOR, the hardness of PMMA are 2H, and the hardness of ZEONOR is H, and the hardness of PC is B.
Summary of the invention
Generation scraping phenomenon is contacted in order to solve the problems, such as existing reflectance coating with light guide plate, the present invention provides a kind of Anti-scratching
Reflectance coating and preparation method thereof.The hardness for the elastic particle that hardened layer in the reflectance coating is selected is lower than light guide plate hardness.Reflection
The elastic particle of film surface coating can be contacted with light guide plate, since the high resiliency of layer of polyurethane and the elastic force of elastic particle are deposited
, in the contact process with light guide plate, elastic deformation can occur for elastic particle, layer of polyurethane can also elastic shrinkage, Neng Goubao
Tabula rasa is protected and led, prevents light guide plate from occurring scraping phenomenon.
In order to solve the above-mentioned technical problem, technical scheme is as follows:
The present invention provides a kind of Anti-scratching reflectance coating, and the Anti-scratching reflectance coating includes reflecting layer, layer of polyurethane and hard
Change layer, the layer of polyurethane is coated on the upper surface in the reflecting layer, and the hardened layer is coated on the upper table of the layer of polyurethane
Face；The hardened layer includes elastic particle.
The reflecting layer has microcellular structure.
The reflecting layer is referred to as reflectance coating, can be the reflectance coating directly bought in the market, is also possible to pass through
The reflectance coating of three-layer co-extruded technological forming, surface is coated with layer of polyurethane on the reflecting film, then coating has bullet on layer of polyurethane
The hardened layer of property particle.
Further, the reflecting layer is made of sandwich layer and surface layer, and the sandwich layer has microcellular structure.Further,
The surface layer does not have microcellular structure.
The reflecting layer is the three-layer co-extruded structure of ABA.B layers are sandwich layers, and A layers are surface layers.
Further, the reflector thickness is 50-150 μm.
Further, it includes particle filled composite and incompatible resin that the hole of the micropore in the reflecting layer, which forms particle,；It is described
Particle filled composite is selected from the combination of one of inorganic particulate or organic filler or in which at least two.
The inorganic particulate be selected from barium sulfate, calcium carbonate, aluminum oxide, silica, titanium oxide one of or
Multiple combinations.The organic filler is selected from one kind of Silicone resin particles or polytetrafluoroethylparticle particle or both combination.Institute
State the combination that incompatible resin is selected from one of polyolefin resin or at least two.
Further, in the Anti-scratching reflectance coating, during the preparation process, the raw material of the hardened layer is first configured to
Hardened layer coating fluid；The hardened layer coating fluid includes following components: 40-50 parts of ultraviolet-curing resin glue, photoinitiator 1
Part, 54-64 parts of solvent, 3-15 parts of elastic particle, the particle size range of the elastic particle is 8-20 μm；The number is parts by weight
Number.
Further, in the Anti-scratching reflectance coating, the elastic particle of the hardened layer is selected from elastomeric propylene acid grain
One of son, stretchy nylon particle, microcapsule granule or a variety of combinations.
Further, the hardened layer is that layer of polyurethane upper surface is coated on by coating method.
Further, the coating layer thickness of the hardened layer is 5-20 μm.
Further, in the Anti-scratching reflectance coating, the ultraviolet-curing resin glue is selected from polyurethanes glue, ring
One of oxygen resinae glue, esters of acrylic acid glue, organic silicon glue or polyester resin glue or at least two
Combination.
Further, in the hardened layer in the Anti-scratching reflectance coating, the ultraviolet-curing resin glue is selected from polyurethane
Class glue.
Further, in the hardened layer coating fluid: 10 parts of elastic particle；The elastic particle is elastomeric propylene acid grain
Son, particle size range are 10-15 μm.Further, the partial size of the elastic particle is 12 μm.
Further, in the Anti-scratching reflectance coating, during the preparation process, the raw material of the hardened layer is first configured to
Hardened layer coating fluid；The hardened layer coating fluid includes following components: 40-50 parts of ultraviolet-curing resin glue, photoinitiator 1
Part, 54-64 parts of solvent, 5-15 parts of elastic particle；The elastic particle is elastomeric propylene acid particles, and particle size range is 10-15 μm.
Further, in the Anti-scratching reflectance coating, during the preparation process, the raw material of the hardened layer is first configured to
Hardened layer coating fluid；The hardened layer coating fluid includes following components: 40 parts of ultraviolet-curing resin glue, 1 part of photoinitiator,
60 parts of solvent, 10 parts of elastic particle；The elastic particle is elastomeric propylene acid particles, and particle size range is 10-15 μm.Further
, the partial size of the elastic particle is 12 μm.
Further, in the Anti-scratching reflectance coating, the raw material of the layer of polyurethane is first configured to layer of polyurethane painting
Cloth liquid, the layer of polyurethane coating fluid includes following components: 100 parts of polyurethane coated liquid, and 0.05-0.10 parts of levelling agent, dispersion
0.1-0.9 parts of agent, 100-120 parts of pure water；The number is parts by weight.
Layer of polyurethane is coated on above reflecting layer by coating method.
Further, the solid content of the polyurethane coated liquid is 20-35%, hydroxyl 40-70mgKOH/g；It is described
Levelling agent be selected from silicone oil, dimethyl silicone polymer class, polydimethylsiloxane, the organosiloxane of polyethers or polyester modification, third
One of olefin(e) acid esters are a variety of；The dispersing agent is selected from one of BYK-106, BYK-107, BYK-108, BYK-109
Or it is a variety of.
Further, in the Anti-scratching reflectance coating, the raw material of the layer of polyurethane is first configured to layer of polyurethane painting
Cloth liquid, the layer of polyurethane coating fluid includes following components: 100 parts of polyurethane coated liquid, and 0.05 part of levelling agent, dispersing agent 0.10
Part, 100 parts of pure water；The number is parts by weight.
The present invention also provides a kind of backlight module, the backlight module includes reflectance coating provided by the invention.
The present invention also provides the preparation methods of the Anti-scratching reflectance coating described in one kind, the described method comprises the following steps:
(1) reflectance coating is coated with one layer of layer of polyurethane, in an oven heat drying by melting three-layer co-extruded extrusion online；
(2) on layer of polyurethane surface, it is coated one layer of hardened layer containing elastic particle.
Further, the preparation method of the Anti-scratching reflectance coating includes the following steps:
(1) 100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after mixing uniformly, is put into 120 DEG C of heat drying 5min in baking oven.
(2) ultraviolet-curing resin glue, photoinitiator, solvent and elastic particle is taken to be obtained after mixing with blender firmly
Change layer coating fluid, hardened layer liquid cloth liquid is applied on layer of polyurethane, heat drying 1min in 120 DEG C of baking ovens is placed in, then uses
High-pressure sodium lamp is with 800mj/cm2Energy exposure, carry out UV solidification, obtain Anti-scratching reflectance coating.
Anti-scratching reflectance coating tensile property provided by the invention is excellent, and to light guide plate without phenomenon is scraped, it is guide-lighting to be not easy absorption
Plate, and luminance with higher.
There is high resiliency, high intensity the beneficial effects of the present invention are: layer of polyurethane, wearability, the performances such as heat-resistant deforming,
Contain elastic particle in hardened layer coating fluid, when light guide plate and reflectance coating contact, elastic particle can be buffered, absorption
Power improves the scraping phenomenon of reflectance coating and light guide plate surface, protects light guide plate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Anti-scratching reflectance coating provided by the invention.
Specific embodiment
Technical solution of the present invention is described further in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the present invention provides a kind of Anti-scratching reflectance coating, the Anti-scratching reflectance coating is by reflecting layer 1, polyurethane
Layer 2 and hardened layer 3 with elastic particle form.
The reflecting layer 1 is made of three strata ester layer, and reflecting layer sandwich layer is with by white inorganic or organic filler and not
Compatibilized resin by it is double it is pull-shaped at microcellular structure, upper and lower two surface layers are polyester layers.
The embodiment of the present invention is identical with reflecting layer used in comparative example, is existing reflectance coating.
Anti-scratching reflector plate provided by the invention detects properties using following methods.
1, the brightness (being indicated with brightness value) of backlight module
Each reflectance coating obtained in embodiment is placed in backlight module, and the light-emitting surface of backlight unit is divided into 3 × 3
9th area are measured using Fu Shida BM-7A luminance meter for the front face brightness after lighting 1h.Measure visual angle be 1, luminance meter with
The distance of backlight single side light-emitting surface is 500mm.Measure the arithmetic average of the brightness of 9 points in the face of backlight single side light-emitting surface
Value is used as average luminance.
2, to the scraping of light guide plate
Multi-ply paper is pasted on marble countertop or hard object simulates backlight module bottom backboard, and reflectance coating is placed on table top,
The light guide plate of ink printing is covered on reflector plate.It is placed on above light guide plate with the weight of load 3kg, fixes weight with adhesive tape and lead
Tabula rasa keeps reflector plate motionless, pulls weight 10 times back and forth in transverse direction.The ink site of light guide plate is observed, is pressed
It is evaluated according to scratch situation of following standards to light guide plate.Zero, △ has practical performance, and it is up to standard for calculating.
Zero: the ink site of light guide plate is almost without being scraped
△: the ink site of light guide plate has to be scraped on a small quantity
×: the ink site of light guide plate is almost scraped
3, anti-adsorption capacity
Each reflectance coating obtained in embodiment is placed in backlight module, and after lighting backlight, whether observation overall picture goes out
Now because of the bad appearance phenomenon with light guide plate Contact-sorption generation shadow.It is evaluated according to following standards confrontation adsorption capacity.
Lev.0 and Lev.1, it is up to standard for calculating.
Lev.0 indicates that appearance is good, unshadowed phenomenon；
Lev.1 indicates a small amount of shadow, at not more than 3；
Lev.2 indicates that shadow is more, at extra 3.
4, draftability
Reflector plate in embodiment, what can observation stable when film is filmed, and is evaluated according to following standard.It answers
Explanation is given, it is longitudinal to be film-made direction to be continuous, it is laterally direction normal thereto.
A: can steadily be film-made 2 hours or more, and it is up to standard for calculating
B: 1 hour can be steadily film-made more than and less than 2 hours
Rupture of membranes is generated when C: less than 1 hour, film that cannot be stable.
Embodiment 1
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 3 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 8 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to poly-
On urethane layer, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, carry out
UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 2
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 3 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is epoxy resin glue；Institute
The partial size for stating elastic particle is 10 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 3
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 3 parts stretchy nylon particles of solvent；The ultraviolet-curing resin glue is esters of acrylic acid glue；It is described
The partial size of elastic particle is 12 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 4
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 3 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is organic silicon glue；It is described
The partial size of elastic particle is 15 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 5
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 3 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyester resin glue；Institute
The partial size for stating elastic particle is 20 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 6
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 5 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 8 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to poly-
On urethane layer, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, carry out
UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 7
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 54 parts and 5 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 10 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 8
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.50 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 64 parts and 5 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 12 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 9
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 5 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 15 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 10
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 5 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 20 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 11
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 10 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 8 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 12
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 10 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 10 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 13
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 10 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 12 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 14
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 10 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 15 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 15
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 10 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 20 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 16
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 15 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 8 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Embodiment 17
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 15 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 10 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 18
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 15 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 12 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 19
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 15 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 15 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 20
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 15 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 20 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Embodiment 21
The Anti-scratching reflectance coating provided such as embodiment 12, wherein the ultraviolet-curing resin glue is 45 parts, the solvent
It is 54 parts.
Embodiment 22
The Anti-scratching reflectance coating provided such as embodiment 13, wherein the ultraviolet-curing resin glue is 50 parts, the solvent
It is 64 parts.
Comparative example 1
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 3 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 5 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to poly-
On urethane layer, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, carry out
UV solidification, finally obtains Anti-scratching reflectance coating.
Comparative example 2
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 3 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 25 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Comparative example 3
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 3 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 30 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Comparative example 4
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 5 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 5 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to poly-
On urethane layer, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, carry out
UV solidification, finally obtains Anti-scratching reflectance coating.
Comparative example 5
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 5 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 25 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Comparative example 6
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 5 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；It is described
The partial size of elastic particle is 30 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Comparative example 7
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 10 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 5 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied to
On layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure, into
Row UV solidification, finally obtains Anti-scratching reflectance coating.
Comparative example 8
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 10 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is polyurethanes glue；Institute
The partial size for stating elastic particle is 25 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Comparative example 9
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 10 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is epoxy resin glue；
The partial size of the elastic particle is 30 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied
On cloth to layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy shine
It penetrates, carries out UV solidification, finally obtain Anti-scratching reflectance coating.
Comparative example 10
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 15 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is epoxy resin glue；
The partial size of the elastic particle is 5 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is coated with
Onto layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy exposure,
UV solidification is carried out, Anti-scratching reflectance coating is finally obtained.
Comparative example 11
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 15 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is epoxy resin glue；
The partial size of the elastic particle is 25 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied
On cloth to layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy shine
It penetrates, carries out UV solidification, finally obtain Anti-scratching reflectance coating.
Comparative example 12
100 parts of polyurethane coated liquid is taken, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water, is stirred with blender
It is applied on reflectance coating after uniformly, is put into 120 DEG C of heat drying 5min in baking oven.40 parts of ultraviolet-curing resin glue are taken again, light
1 part of initiator, 60 parts and 15 parts elastomeric propylene acid particles of solvent；The ultraviolet-curing resin glue is epoxy resin glue；
The partial size of the elastic particle is 30 μm；It obtains hardened layer coating fluid after mixing with blender, hardened layer liquid cloth liquid is applied
On cloth to layer of polyurethane, it is placed in heat drying 1min in 120 DEG C of baking ovens, then with high-pressure sodium lamp with 800mj/cm2Energy shine
It penetrates, carries out UV solidification, finally obtain Anti-scratching reflectance coating.
Comparative example 13
Existing reflectance coating: reflectance coating used in the embodiment of the present application and comparative example.
Performance detection standard:
A: can steadily be film-made 2 hours or more, be up to standard；
Zero, △ has practical performance, is up to standard；
Lev.0 and Lev.1, anti-adsorptivity is preferable, is up to standard；
-- representative does not form a film, can not obtain data.
The properties testing result of Anti-scratching reflectance coating made from table 1 embodiment 1-22 and comparative example 1-13
It is guide-lighting that testing result shown in table 1 shows that Anti-scratching reflectance coating provided by the invention can preferably avoid scratching
Plate, and the absorption of light guide plate and reflectance coating can be preferably prevented, it is not likely to produce shadow.Particularly, embodiment 7,8,9,12,13,
14,17,18,19,21,22 reflectance coatings provided have better comprehensive performance.Particularly, embodiment 12,13,14,21,22 mentions
The reflectance coating of confession makes backlight have better luminance.
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 (3)
1. a kind of Anti-scratching reflectance coating, which is characterized in that the Anti-scratching reflectance coating includes reflecting layer, layer of polyurethane and hardening
Layer, the layer of polyurethane are coated on the upper surface in the reflecting layer, and the hardened layer is coated on the upper surface of the layer of polyurethane；
The hardened layer includes elastic particle；
During the preparation process, the raw material of the hardened layer is first configured to hardened layer coating fluid；The hardened layer coating fluid packet
Include following components: 40-50 parts of ultraviolet-curing resin glue, 1 part of photoinitiator, 54-64 parts of solvent, 10 parts of elastic particle, described
Elastic particle is elastomeric propylene acid particles, and the particle size range of the elastic particle is 10-15 μm；The number is parts by weight；
The ultraviolet-curing resin glue is selected from polyurethanes glue；
The raw material of the layer of polyurethane is first configured to layer of polyurethane coating fluid, and the layer of polyurethane coating fluid includes following groups
Part: 100 parts of polyurethane coated liquid, 0.05 part of levelling agent, 0.10 part of dispersing agent, 100 parts of pure water；The number is parts by weight.
2. a kind of backlight module, which is characterized in that the backlight module includes reflectance coating described in claim 1.
3. a kind of preparation method of Anti-scratching reflectance coating according to claim 1, which is characterized in that the method includes with
Lower step:
(1) reflectance coating is coated with one layer of layer of polyurethane, in an oven heat drying by melting three-layer co-extruded extrusion online；
(2) on layer of polyurethane surface, it is coated one layer of hardened layer containing elastic particle.
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| CN108196327B (en) * | 2017-12-04 | 2020-07-21 | 宁波激智科技股份有限公司 | Scratch-resistant optical diffusion film and preparation method thereof |
| CN109031506A (en) * | 2018-07-30 | 2018-12-18 | 盛世瑶兰（深圳）科技有限公司 | One kind being used for ADS type composite light guide plate |
| CN109814187B (en) * | 2019-03-22 | 2020-11-10 | 宁波东旭成新材料科技有限公司 | Optical reflection film |
| CN112698434A (en) * | 2020-12-15 | 2021-04-23 | 安徽嘉阳新材料科技有限公司 | Steel plate surface light-sensitive reflecting film and preparation process thereof |
| CN114779378B (en) * | 2022-06-17 | 2022-09-09 | 宁波长阳科技股份有限公司 | Layered coating type scratch-resistant coating reflective film and preparation method thereof |
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| CN202182955U (en) * | 2011-07-28 | 2012-04-04 | 北京京东方光电科技有限公司 | Diffusion barrier and backlight module |
| CN103897168B (en) * | 2014-04-15 | 2016-04-27 | 浙江冠旗纳米科技有限公司 | Backlight module light guiding film material processing |
| CN104635285B (en) * | 2015-01-30 | 2017-01-25 | 宁波长阳科技股份有限公司 | High-stiffness coated reflecting film and preparation method thereof |
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