CN106249460A - A kind of colour ultra-thin light modulation film and preparation method thereof - Google Patents
A kind of colour ultra-thin light modulation film and preparation method thereof Download PDFInfo
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- CN106249460A CN106249460A CN201610648153.6A CN201610648153A CN106249460A CN 106249460 A CN106249460 A CN 106249460A CN 201610648153 A CN201610648153 A CN 201610648153A CN 106249460 A CN106249460 A CN 106249460A
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- light modulation
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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
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/36—Steroidal liquid crystal compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/54—Additives having no specific mesophase characterised by their chemical composition
- C09K19/542—Macromolecular compounds
Abstract
The invention discloses a kind of colour ultra-thin light modulation film and preparation method thereof, the electrically conducting transparent ito thin film layer of 25～75um it is only including two layers of thickness, and the coloured polymer liquid crystal mixed function layer being arranged between two film layers, described coloured polymer liquid crystal mixed function layer is made up of aromatic polymer intermediates, liquid crystal, accelerator and color filters.The colour ultra-thin light modulation film of the present invention makes vehicle ultra-thin light modulation film have more excellent Consumer's Experience, compensate for common vehicle-mounted light modulation film material and causes the problems such as shortening in service life owing to thickness is excessive.The preparation method of the colour ultra-thin light modulation film of the present invention be suitable for automatization higher, reduce cost, the higher production line of production efficiency produce so that the purpose of colour ultra-thin light modulation film mass production is achieved.
Description
Technical field
The invention belongs to light modulation film technical field, be specifically related to a kind of colour ultra-thin light modulation film and preparation method thereof.
Background technology
Intelligent light modulation film makes again pdlc film belong to emerging energy-conserving and environment-protective material, is PDLC Polymer
The English abbreviation of Dispersed Liquid Crystal, while it has high transmission rate, be also provided that convenient effectively
Privacy protection function, extremely low energy consumption, and outstanding insulation, intercept the favor of UV resistance extremely client.Its core skill
Art is the development of this interiors of products a kind of PDLC liquid crystal film.This film is that PDLC liquid crystal material is coated on two-layer ITO-PET conduction
Between plastic film, quickly realizing from the opaque switching to pellucidity of scattering states under applied voltage regulates, obtain has
The thin film of electro-optic response characteristic.A kind of thin film display device of pdlc film, by dry-method laminated glass technique, by this product
It is superimposed together with two panels float glass and PVB polyvinyl butyral film, is prepared as intelligent dimming glass product.Can also
By the way of at the pdlc film standby glue of one side attachment, pdlc film material is attached to the transparent medium surfaces such as glass, is prepared as intelligence tune
Light adhesive cover products.
Pdlc film series of products are after being developed, and automobile vendor wishes that it can put into vehicle glass neck always
Territory, but the thickness of glass ratio owing to using on vehicle glass is relatively thin, its product form being not suitable for using intelligent dimming glass.
But common PDLC adhesive cover products also exists certain defect in terms of water proofing property, and common pdlc film, thickness 0.5mm with
On, its hardness is higher.After the most easily there is burn into and pad pasting, stress is concentrated and is caused problems such as coming off, come unglued.
And client is the highest for the satisfaction of the color of common pdlc film material.Therefore pdlc film can effectively push away in automobile market always
Extensively.
Since automobile is invented, automobile market is always maintained at growth at a high speed, having a high potential of this market.This department one
Directly it is devoted to study the automobile application direction of pdlc film, successively have developed waterproof light modulation film and high glutinous automobile-used anti-explosion dimming film etc.
Product, the technology one in this field is directly subordinate to rank first.And so this product wants to expand automotive field market, its color
Multiformity and flexibility aspect must obtain breakthrough.
Key point in terms of flexibility is to reduce the thickness of pdlc film, and existing production technology, either state
Interior or external, all do not produce the pdlc film of 50～150um.
Visible, prior art there is also bigger defect.
Summary of the invention
In view of this, in order to overcome above-mentioned problems of the prior art, the invention provides a kind of colour ultra-thin and adjust
Light film and preparation method thereof.Reduce the thickness of colored light modulation film, extend the purpose in its service life.
In order to realize foregoing invention purpose, this invention takes techniques below scheme:
A kind of colour ultra-thin light modulation film, it is characterised in that include upper strata electrically conducting transparent ito thin film layer, lower floor's electrically conducting transparent
Ito thin film layer, and the macromolecule being arranged between two film layers-liquid crystal mixed function layer；
Described electrically conducting transparent ito thin film layer thickness is 20～75um.
Further, described macromolecule-liquid crystal mixed function layer by 13～65wt% aromatic polymer intermediates, 30～
The accelerator of the liquid crystal of 82wt%, 1～8wt% and 0.01～10wt% color filters make.
Further, one or both during described aromatic polymer intermediates is epoxy acrylate, polyurethane/acrylic fat.
Further, described liquid crystal is cholesterol n-nonanoic acid fat.
Further, described accelerator is polyethylene.
Further, described color filters is in disperse system dyestuff, direct based dye, sulfur dye, reactive dye
One or more, and its color has multiformity, it is not limited to a certain solid color.
Present invention also offers the preparation method of above-mentioned colour ultra-thin light modulation film, comprise the following steps:
1) by aromatic polymer intermediates, liquid crystal and accelerator feeding in proportion, high-speed stirred mixes；
2) by step 1) gained mixture even spread is on lower floor's ito thin film layer；
3) by step 2) gained carries out ultraviolet light polymerization, gets product.
Further, described high-speed stirred mix, be between 28 DEG C～55 DEG C lucifuge ventilate environment in, rotating speed 4500
More than rev/min and the persistent period was no less than 10 hours being sufficiently stirred for.
Further, described even spread refers under 100,000 or 1,000,000 grades of dustfree environments, uses tensioning dress before pressing
Put, and control coating thickness 10～20 microns, error precision less than the gluing coating carried out under conditions of 1 micron, then
It is between 50 microns～200 microns, to use mixing Material cladding roller to carry out roll-in work at thickness, makes two-layer electrically conducting transparent ITO thin
Film and macromolecule-liquid crystal mixed function layer form three lamination one.
Further, described ultraviolet light polymerization refers to the illumination at ultraviolet radiation intensity 20～28 watt/square centimeter
Under the conditions of, solidification temperature controls between 20 DEG C～45 DEG C and the lasting solidification process of 130～200 seconds.
Compared with prior art, the method have the advantages that
1, the colour ultra-thin light modulation film of the present invention is by improving the proportioning of coloured polymer liquid crystal mixed liquor, and structure is more closed
Reason, makes light modulation film while keeping original performance, can possess diversified color, breach the multifarious key of color
Point.Producing through experimental, the performance indications of the colour ultra-thin light modulation film of the present invention are fully achieved the matter of domestic and international mill run
Amount requirement, its yield rate is up to more than 95%, complies fully with the requirement of batch production；
2, the preparation method of the colour ultra-thin light modulation film of the present invention is suitable for that automatization is higher, the higher production of production efficiency
Line produces so that the purpose of colour ultra-thin light modulation film production domesticization is achieved.
3, the colour ultra-thin light modulation film of the present invention is produced by intercalation processes, be a kind of intelligent environment-friendly energy-saving easily
New technology building materials, its light transmission changes within the specific limits with applied voltage and changes, and while having high transmission rate, also can
Convenient effective shielding is provided, extremely low energy consumption, and outstanding insulation, intercept UV resistance, simultaneously can by light-operated,
The multiple sensing apparatus such as acoustic control, wireless induction is controlled, and operates the most simple and easy.Additionally by the transformation of new technology, make
Obtaining its thickness to be substantially reduced, pliability is greatly improved, so that on automotive window three-dimensional radian glass after laminating, energy and glass
Glass combines very well, eliminate common intelligent light modulation film because three-dimensional bending produced by stress concentration point so that colour ultra-thin adjust
Light film is not easy to come off from vehicle window, and its color variation, complies fully with automobile-used requirement.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the colour ultra-thin light modulation film of the present invention；
Fig. 2 is the production equipment schematic diagram of the colour ultra-thin light modulation film of the present invention.
Reference: 1, upper let off roll；2, lower let off roll；3, unstressed roller；4, coating shower nozzle；5, mixing Material cladding
Roller；6, ultra-violet curing case；7, light inspection case；8, live-roller；9, coiler；10, tensioner.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and be embodied as
Example, is further elaborated to the present invention.Should be appreciated that specific embodiment described herein is only in order to explain this
Bright, it is not intended to limit the present invention.
A kind of colour ultra-thin light modulation film of the present invention, including two-layer electrically conducting transparent ito thin film layer, and is arranged at two layers of thin
Macromolecule between film layer-liquid crystal mixed function layer, described macromolecule-liquid crystal mixed function layer by 10～65wt% macromolecule
The accelerator of the liquid crystal of intermediate, 25～82wt%, 1～8wt% and 0.01～10wt% color filters make.
Described aromatic polymer intermediates is one or both in epoxy acrylate, polyurethane/acrylic fat.Described liquid crystal is
Cholesterol n-nonanoic acid fat.Described accelerator is polyethylene.Described color filters is disperse system dyestuff, direct based dye, sulfuration dye
Material, one or more in reactive dye, and its color has multiformity, it is not limited to a certain solid color.
As it is shown in figure 1, be the preparation method of the colour ultra-thin light modulation film of the present invention, comprise the following steps:
1, by aromatic polymer intermediates, liquid crystal, accelerator color filters between 28 DEG C～55 DEG C lucifuge ventilate environment in,
Rotating speed more than 4500 revs/min and persistent period being thoroughly mixed no less than 10 hours；
2, under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 10～20
Micron, error precision, less than the gluing coating carried out under conditions of 1 micron, are then to adopt between 50～200 microns at thickness
Carry out roll-in work with mixing Material cladding roller, make two-layer electrically conducting transparent ito thin film be formed with macromolecule-liquid crystal mixed function layer
Three lamination one.
3, under the illumination condition of ultraviolet radiation intensity 20～28 watt/square centimeter, solidification temperature controls at 20 DEG C
～between 45 DEG C and the persistently solidification of 130～200 seconds, to obtain final product.
As in figure 2 it is shown, be the flow sheet of the present invention.Upper and lower let off roll is placed 25 microns～75 microns respectively
Thick electrically conducting transparent ito thin film, is coated with the ito thin film of conductive film layer respectively from the beginning of upper and lower let off roll, first carries out positioning and position
Put correction, and by tensioner by thin film tensioning, flattening, prevent from causing the problems such as fold because film material pliability is too high,
Coating shower nozzle 4 carries out coating workshop section, uniform coating 15～20 microns of thickness, errors and is not more than 1 micron of thick macromolecule-liquid crystal mixing
Liquid；Lower floor's electrically conducting transparent ito thin film simultaneously enters with upper strata electrically conducting transparent ito thin film and mixes Material cladding roller 5 position and carry out roller
Pressure workshop section, is allowed to form electrically conducting transparent ito thin film floor height molecule-liquid crystal mixed function layer electrically conducting transparent ito thin film layer
The semi-finished product of three layers of combinative structure.
Semi-finished product enter ultraviolet curing case 6 under the transmission traction of live-roller 8 and carry out irradiation workshop section, thus are formed final
Product colour ultra-thin light modulation film, and light inspection case 7 and finished product coiler 9 is added in product rear end, the optimization to device specifics designs
The automatization's performance allowing whole production system is further promoted.
1 one kinds of colour ultra-thin light modulation films of embodiment
A kind of colour ultra-thin light modulation film of the present embodiment, including two-layer electrically conducting transparent ito thin film layer, and is arranged at two-layer
Macromolecule between thin layer-liquid crystal mixed function layer, described macromolecule-liquid crystal mixed function layer is by the propylene oxide of 15wt%
Acid alicyclic monomer (aromatic polymer intermediates), cholesterol n-nonanoic acid fat (liquid crystal) of 78wt%, the polyethylene (accelerator) of 2wt% and
The disperse system dyestuff (color filters) of 5wt% is made.
The preparation method of the colour ultra-thin light modulation film of the present embodiment, comprises the following steps:
1, by aromatic polymer intermediates, liquid crystal, accelerator and color filters in the environment that 28 DEG C of lucifuges are ventilated, rotating speed 4500
Rev/min and being thoroughly mixed of 10 hours persistent period；
2, under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 18 microns,
Under conditions of error precision is less than 1 micron, mixed for the combination being stirred in step 1 liquid gluing is coated to 25 microns of thick ITO
On film material, then it is 50 microns at thickness and uses mixing Material cladding roller to carry out roll-in work, make two-layer electrically conducting transparent ito thin film
Form three lamination one with macromolecule-liquid crystal mixed function layer, obtain synthesizing film；
3, the synthesis film in step 2 is entered ultraviolet radiation intensity 20～28 watt/square centimeter by live-roller
Under illumination condition, solidification temperature controls at 20 DEG C, continues solidification in 130 seconds, obtains colour ultra-thin light modulation film；
4, the product in step 3 is passed sequentially through light inspection, finished product rolling, just obtains final products.
2 one kinds of colour ultra-thin light modulation films of embodiment
A kind of colour ultra-thin light modulation film of the present embodiment, including two-layer electrically conducting transparent ito thin film layer, and is arranged at two-layer
Macromolecule between thin layer-liquid crystal mixed function layer, described macromolecule-liquid crystal mixed function layer is by the poly-ammonia propylene of 59wt%
Acid alicyclic monomer (aromatic polymer intermediates), cholesterol n-nonanoic acid fat (liquid crystal) of 35wt%, the polyethylene (accelerator) of 5wt% and
The direct based dye of 1wt% (color filters) makes.
The preparation method of the colour ultra-thin light modulation film of the present embodiment, comprises the following steps:
1, by aromatic polymer intermediates, liquid crystal, accelerator and color filters in the environment that 55 DEG C of lucifuges are ventilated, rotating speed 6000
Rev/min and being thoroughly mixed of 15 hours persistent period；
2, under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 15 microns,
Under conditions of error precision is less than 1 micron, mixed for the combination being stirred in step 1 liquid gluing is coated to 50 microns of thick ITO
On film material, then it is 100 microns at thickness and uses mixing Material cladding roller to carry out roll-in work, make two-layer electrically conducting transparent ITO thin
Film and macromolecule-liquid crystal mixed function layer form three lamination one, obtain synthesizing film；
3, the synthesis film in step 2 is entered ultraviolet radiation intensity 20～28 watt/square centimeter by live-roller
Under illumination condition, solidification temperature controls at 45 DEG C, continues solidification in 200 seconds, obtains colour ultra-thin light modulation film；
4, the product in step 3 is passed sequentially through light inspection, finished product rolling, just obtains final products.
3 one kinds of colour ultra-thin light modulation films of embodiment
A kind of colour ultra-thin light modulation film of the present embodiment, including two-layer electrically conducting transparent ito thin film layer, and is arranged at two-layer
Macromolecule between thin layer-liquid crystal mixed function layer, described macromolecule-liquid crystal mixed function layer is by the poly-ammonia propylene of 42wt%
Acid alicyclic monomer (aromatic polymer intermediates), cholesterol n-nonanoic acid fat (liquid crystal) of 40wt%, the polyethylene (accelerator) of 8wt% and
The reactive dye (color filters) of 10wt% are made.
The preparation method of the colour ultra-thin light modulation film of the present embodiment, comprises the following steps:
1, by aromatic polymer intermediates, liquid crystal, accelerator and color filters in the environment that 40 DEG C of lucifuges are ventilated, rotating speed 5200
Rev/min and being thoroughly mixed of 12 hours persistent period；
2, under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 10 microns,
Under conditions of error precision is less than 1 micron, mixed for the combination being stirred in step 1 liquid gluing is coated to 75 microns of thick ITO
On film material, then it is 150 microns at thickness and uses mixing Material cladding roller to carry out roll-in work, make two-layer electrically conducting transparent ITO thin
Film and macromolecule-liquid crystal mixed function layer form three lamination one, obtain synthesizing film；
3, the synthesis film in step 2 is entered ultraviolet radiation intensity 20～28 watt/square centimeter by live-roller
Under illumination condition, solidification temperature controls at 30 DEG C, continues solidification in 150 seconds, obtains colour ultra-thin light modulation film；
4, the product in step 3 is passed sequentially through light inspection, finished product rolling, just obtains final products.
4 one kinds of colour ultra-thin light modulation films of embodiment
A kind of colour ultra-thin light modulation film of the present embodiment, including two-layer electrically conducting transparent ito thin film layer, and is arranged at two-layer
Macromolecule between thin layer-liquid crystal mixed function layer, described macromolecule-liquid crystal mixed function layer is by the propylene oxide of 30wt%
Acid alicyclic monomer (aromatic polymer intermediates), cholesterol n-nonanoic acid fat (liquid crystal) of 69wt%, the polyethylene (accelerator) of 1wt% and
0.01wt% sulfur dye (color filters) is made.
The preparation method of the colour ultra-thin light modulation film of the present embodiment, comprises the following steps:
1, by aromatic polymer intermediates, liquid crystal, accelerator and color filters in the environment that 28 DEG C of lucifuges are ventilated, rotating speed 5000
Rev/min and being thoroughly mixed of 20 hours persistent period；
2, under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 20 microns,
Under conditions of error precision is less than 1 micron, mixed for the combination being stirred in step 1 liquid gluing is coated to 75 microns of thick ITO
On film material, then it is 200 microns at thickness and uses mixing Material cladding roller to carry out roll-in work, make two-layer electrically conducting transparent ITO thin
Film and macromolecule-liquid crystal mixed function layer form three lamination one, obtain synthesizing film；
3, the synthesis film in step 2 is entered ultraviolet radiation intensity 20～28 watt/square centimeter by live-roller
Under illumination condition, solidification temperature controls at 45 DEG C, continues solidification in 180 seconds, obtains colour ultra-thin light modulation film；
4, the product in step 3 is passed sequentially through light inspection, finished product rolling, just obtains final products.
5 one kinds of colour ultra-thin light modulation films of embodiment
A kind of colour ultra-thin light modulation film of the present embodiment, including two-layer electrically conducting transparent ito thin film layer, and is arranged at two-layer
Macromolecule between thin layer-liquid crystal mixed function layer, described macromolecule-liquid crystal mixed function layer is by the poly-ammonia propylene of 64wt%
Acid alicyclic monomer (aromatic polymer intermediates), cholesterol n-nonanoic acid fat (liquid crystal) of 25wt%, the polyethylene (accelerator) of 1wt% and
The disperse system dyestuff (color filters) of 10wt% is made.
The preparation method of the colour ultra-thin light modulation film of the present embodiment, comprises the following steps:
1, by aromatic polymer intermediates, liquid crystal and accelerator in the environment that 55 DEG C of lucifuges are ventilated, rotating speed 7000 revs/min also
And being thoroughly mixed of 30 hours persistent period；
2, under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 10 microns,
Under conditions of error precision is less than 1 micron, mixed for the combination being stirred in step 1 liquid gluing is coated to 25 microns of thick ITO
On film material, then it is 75 microns at thickness and uses mixing Material cladding roller to carry out roll-in work, make two-layer electrically conducting transparent ito thin film
Form three lamination one with macromolecule-liquid crystal mixed function layer, obtain synthesizing film；
3, the synthesis film in step 2 is entered ultraviolet radiation intensity 20～28 watt/square centimeter by live-roller
Under illumination condition, solidification temperature controls at 20 DEG C, continues solidification in 140 seconds, obtains colour ultra-thin light modulation film；
4, the product in step 3 is passed sequentially through light inspection, finished product rolling, just obtains final products.
6 one kinds of colour ultra-thin light modulation films of embodiment
A kind of colour ultra-thin light modulation film of the present embodiment, including two-layer electrically conducting transparent ito thin film layer, and is arranged at two-layer
Macromolecule between thin layer-liquid crystal mixed function layer, described macromolecule-liquid crystal mixed function layer is by the propylene oxide of 20wt%
Acid alicyclic monomer (aromatic polymer intermediates), cholesterol n-nonanoic acid fat (liquid crystal) of 76wt%, the polyethylene (accelerator) of 4wt% and
The direct based dye (color filters) of 0.01wt% is made.
The preparation method of the colour ultra-thin light modulation film of the present embodiment, comprises the following steps:
1, by aromatic polymer intermediates, liquid crystal and accelerator in the environment that 35 DEG C of lucifuges are ventilated, rotating speed 5800 revs/min also
And being thoroughly mixed of 20 hours persistent period；
2, under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 10 microns,
Under conditions of error precision is less than 1 micron, mixed for the combination being stirred in step 1 liquid gluing is coated to 50 microns of thick ITO
On film material, then it is 125 microns at thickness and uses mixing Material cladding roller to carry out roll-in work, make two-layer electrically conducting transparent ITO thin
Film and macromolecule-liquid crystal mixed function layer form three lamination one, obtain synthesizing film；
3, the synthesis film in step 2 is entered ultraviolet radiation intensity 20～28 watt/square centimeter by live-roller
Under illumination condition, solidification temperature controls at 35 DEG C, continues solidification in 200 seconds, obtains colour ultra-thin light modulation film；
4, the product in step 3 is passed sequentially through light inspection, finished product rolling, just obtains final products.
7 one kinds of colour ultra-thin light modulation films of embodiment
A kind of colour ultra-thin light modulation film of the present embodiment, including two-layer electrically conducting transparent ito thin film layer, and is arranged at two-layer
Macromolecule between thin layer-liquid crystal mixed function layer, described macromolecule-liquid crystal mixed function layer is by the propylene oxide of 42wt%
Acid alicyclic monomer (aromatic polymer intermediates), cholesterol n-nonanoic acid fat (liquid crystal) of 49wt%, the polyethylene (accelerator) of 6wt% and
The sulfur dye (color filters) of 3wt% is made.
The preparation method of the colour ultra-thin light modulation film of the present embodiment, comprises the following steps:
1, by aromatic polymer intermediates, liquid crystal and accelerator in the environment that 37 DEG C of lucifuges are ventilated, rotating speed 5100 revs/min also
And being thoroughly mixed of 48 hours persistent period；
2, under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 10 microns,
Under conditions of error precision is less than 1 micron, mixed for the combination being stirred in step 1 liquid gluing is coated to 75 microns of thick ITO
On film material, then it is 175 microns at thickness and uses mixing Material cladding roller to carry out roll-in work, make two-layer electrically conducting transparent ITO thin
Film and macromolecule-liquid crystal mixed function layer form three lamination one, obtain synthesizing film；
3, the synthesis film in step 2 is entered ultraviolet radiation intensity 20～28 watt/square centimeter by live-roller
Under illumination condition, solidification temperature controls at 20 DEG C, continues solidification in 156 seconds, obtains colour ultra-thin light modulation film；
4, the product in step 3 is passed sequentially through light inspection, finished product rolling, just obtains final products.
8 one kinds of colour ultra-thin light modulation films of embodiment
A kind of colour ultra-thin light modulation film of the present embodiment, including two-layer electrically conducting transparent ito thin film layer, and is arranged at two-layer
Macromolecule between thin layer-liquid crystal mixed function layer, described macromolecule-liquid crystal mixed function layer is by the propylene oxide of 56wt%
Acid alicyclic monomer (aromatic polymer intermediates), cholesterol n-nonanoic acid fat (liquid crystal) of 35wt%, the polyethylene (accelerator) of 2wt% and
The reactive dye (color filters) of 7wt% are made.
The preparation method of the colour ultra-thin light modulation film of the present embodiment, comprises the following steps:
1, by aromatic polymer intermediates, liquid crystal and accelerator in the environment that 48 DEG C of lucifuges are ventilated, rotating speed 4800 revs/min also
And being thoroughly mixed of 24 hours persistent period；
2, under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 10 microns,
Under conditions of error precision is less than 1 micron, mixed for the combination being stirred in step 1 liquid gluing is coated to 25 microns of thick ITO
On film material, then it is 80 microns at thickness and uses mixing Material cladding roller to carry out roll-in work, make two-layer electrically conducting transparent ito thin film
Form three lamination one with macromolecule-liquid crystal mixed function layer, obtain synthesizing film；
3, the synthesis film in step 2 is entered ultraviolet radiation intensity 20～28 watt/square centimeter by live-roller
Under illumination condition, solidification temperature controls at 45 DEG C, continues solidification in 168 seconds, obtains colour ultra-thin light modulation film；
4, the product in step 3 is passed sequentially through light inspection, finished product rolling, just obtains final products.
The embodiment of the present invention 1～8 produces the colour ultra-thin light modulation film of gained, owing to have employed tensioner so that ultra-thin
The production of light modulation film is avoided that the percent defective produced due to the thinnest fold of the ito film of 25 microns～75 microns, thus reduces
The production of 30% and cost of material, greatly improve production automation ability and yield rate, and gained membrane property is equal to existing
Stage domestic and international equivalents quality.
Embodiment described above only have expressed embodiments of the present invention, and it describes more concrete and detailed, but can not
Therefore the restriction to the scope of the claims of the present invention it is interpreted as.It should be pointed out that, for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a colour ultra-thin light modulation film, it is characterised in that include upper strata electrically conducting transparent ito thin film layer, lower floor electrically conducting transparent ITO
Thin layer, and the macromolecule being arranged between two film layers-liquid crystal mixed function layer；
Described electrically conducting transparent ito thin film layer thickness is 20～75um.
Colour ultra-thin light modulation film the most according to claim 1, it is characterised in that described macromolecule-liquid crystal mixed function layer
The accelerator of the liquid crystal of aromatic polymer intermediates, 25～82wt%, 1～8wt% by 10～65wt% and 0.01～10wt%
Color filters is made.
Colour ultra-thin light modulation film the most according to claim 2, it is characterised in that described aromatic polymer intermediates is propylene oxide
Acid fat, polyurethane/acrylic fat in one or both.
Colour ultra-thin light modulation film the most according to claim 2, it is characterised in that described liquid crystal is cholesterol n-nonanoic acid fat.
Colour ultra-thin light modulation film the most according to claim 2, it is characterised in that described accelerator is polyethylene.
Color filters the most according to claim 2 is in disperse system dyestuff, direct based dye, sulfur dye, reactive dye
One or more.
7. the preparation method of the colour ultra-thin light modulation film described in claim 2, it is characterised in that comprise the following steps:
1) by aromatic polymer intermediates, liquid crystal and accelerator feeding in proportion, high-speed stirred mixes；
2) by step 1) gained mixture even spread is on lower floor's electrically conducting transparent ito thin film layer；
3) by step 2) gained carries out ultraviolet light polymerization, gets product.
The preparation method of colour ultra-thin light modulation film the most according to claim 7, it is characterised in that step 1) described high-speed stirring
Mix mixing, be between 28 DEG C～55 DEG C lucifuge ventilate environment in, rotating speed more than 4500 revs/min and the persistent period many
In 10 hours be sufficiently stirred for.
The preparation method of colour ultra-thin light modulation film the most according to claim 7, it is characterised in that step 2) described uniform painting
Cloth concrete operations are: under 100,000/1,000,000 grades of dustfree environments, use tensioner before pressing, and control coating thickness 10～
20 microns, error precision less than the gluing coating carried out under conditions of 1 micron, be then 50 microns～200 microns at thickness
Between use mixing Material cladding roller to carry out roll-in work, make two-layer electrically conducting transparent ito thin film and macromolecule-liquid crystal mixed function
Layer forms three lamination one.
The preparation method of colour ultra-thin light modulation film the most according to claim 7, it is characterised in that step 3) described ultraviolet
Photocuring refers to that, under the illumination condition of ultraviolet radiation intensity 20～28 watt/square centimeter, solidification temperature controls at 20 DEG C
～between 45 DEG C and the lasting solidification process of 130～200 seconds.
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| CN108267886A (en) * | 2018-03-21 | 2018-07-10 | 深圳市唯酷光电有限公司 | Liquid crystal light modulation film and preparation method thereof |
| CN109725468A (en) * | 2019-03-11 | 2019-05-07 | 广州市华惠材料科技有限公司 | Light modulation film and preparation method thereof |
| CN112130361A (en) * | 2019-06-25 | 2020-12-25 | 深圳市诚德利科技有限公司 | Ultrathin light adjusting film for vehicle and preparation method |
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