CN108628023A - A kind of preparation method of film plastic cement liquid crystal - Google Patents
A kind of preparation method of film plastic cement liquid crystal Download PDFInfo
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- CN108628023A CN108628023A CN201710175713.5A CN201710175713A CN108628023A CN 108628023 A CN108628023 A CN 108628023A CN 201710175713 A CN201710175713 A CN 201710175713A CN 108628023 A CN108628023 A CN 108628023A
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- liquid crystal
- plastic cement
- film
- transparent conductive
- conductive film
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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
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Dispersion Chemistry (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of preparation methods of film plastic cement liquid crystal, include the following steps：S1 prepares the transparent conductive film of the identical size of two panels according to product specification；Two panels transparent conductive film in S1 is surface-treated by S2；S3 takes the following raw material of parts by weight：60 70 parts of 60 70 parts of epoxy resin, 5 10 parts of amino terminated liquid nitrile rubber, 60 70 parts of curing agent and Nematic phase liquid crystal material are uniformly mixed, and obtain liquid crystal plastic cement mixed liquor；Liquid crystal plastic cement mixed liquor in S3 is evenly applied in S2 on surface treated two panels transparent conductive film by S4, constitutes transparent conductive film-liquid crystal plastic cement-transparent conductive film system, and be put into molding die, obtains film plastic cement liquid crystal base；S5 moves into film plastic cement liquid crystal base in S4 in heat cure stove, the heat cure 6 hours at a temperature of 100 120 DEG C, and the vacuum degree of the molding die is 0.004 Pa, 0.005 Pa；The film plastic cement liquid crystal that the present invention obtains reduces the generation come unglued, and extends the service life of film plastic cement liquid crystal.
Description
Technical field
The present invention relates to intelligent glass preparation method technical field more particularly to a kind of preparation sides of film plastic cement liquid crystal
Method.
Background technology
The application of glass between floors is more and more extensive, is applied not only to window, is also largely used to glass curtain wall and interior
Partition etc..But glass indoor light is too strong, heat radiation is big to be made to the permeability of light and it is indoor without sight barrier, it is private
The problems such as close property is poor, traditional solution is curtain to be arranged on window or partition, but curtain has both separated sight, also separates
Light so that indoor light is insufficient, and cumbersome for installation, and there is also the problems such as damaged of fading for curtain.Also have using dark glass
Glass or ground glass, but the demand of the translucency and protection privacy of glass can not be realized simultaneously.
Publication No. CN102385188A discloses a kind of " film plastic cement liquid crystal and preparation method thereof ", including a liquid crystal-
The transparent conductive film of plastic cement sandwich layer and the setting of two parallel and symmetricals, it is thin that liquid crystal-plastic cement sandwich layer is located in two electrically conducting transparents
Between film, liquid crystal-plastic cement sandwich layer includes a high molecular polymer matrix, is evenly distributed in the high molecular polymer matrix
Liquid crystal material microballoon, the refractive index of high molecular polymer matrix and the ordinary optical refractive index of liquid crystal material match, described
Liquid crystal molecule director in liquid crystal material microballoon and two transparent conductive film less parallels；It is provided on transparent conductive film
Electrode.The film plastic cement liquid crystal shows transparent and scattering two states, when not powered, light under the on-off action of electric field
After transparent conductive film, when being incident on liquid crystal-plastic cement sandwich layer, the liquid crystal molecule director in liquid crystal material microballoon is substantially not
It is parallel to incident ray, the refractive index of the liquid crystalline refractive index in liquid crystal material microballoon and matrix differs at this time, and light is in liquid
The interface of brilliant material microballoon and plastic matrix scatters；Since liquid crystal molecule has the feature of liquid and crystal simultaneously, and have
There is induction electric dipole moment, after applying external electric field, forms electric field, the liquid in liquid crystal material microballoon between two panels transparent conductive film
Brilliant molecule director is basically parallel to incident ray, light transmission.The film plastic cement liquid crystal is by the break-make of power supply come alternately real
Existing transparent, dispersion effect, to meet user to light transmission, lighttight double effects.
Above-mentioned film plastic cement liquid crystal is in use and transportational process, it may appear that liquid crystal-plastic cement sandwich layer and transparent conductive film
Between problem of coming unglued, the region originally come unglued be dotted or strip, the one side come unglued be white, another side present it is reflective,
It is that translucent state is even atomized state in the case of energization, is being used for a long time in storage and transport process, region of coming unglued can further internally
Extension, drastically influences the service life and appearance of film plastic cement liquid crystal.
Invention content
In order to solve the problems, such as liquid crystal-coming unglued between plastic cement sandwich layer and transparent conductive film in the prior art, mesh of the invention
Be to provide a kind of preparation method of film plastic cement liquid crystal.
To achieve the goals above, the present invention adopts the following technical scheme that：A kind of preparation method of film plastic cement liquid crystal,
It is characterized in that, includes the following steps：
S1, prepares the transparent conductive film of the identical size of two panels according to product specification, on a surface of the transparent conductive film
Preparation has conductive layer；
Two panels transparent conductive film in S1 is surface-treated by S2 using anion surfactant；
S3 takes the following raw material of parts by weight：60-70 parts of epoxy resin, 5-10 parts of amino terminated liquid nitrile rubber, curing agent
60-70 parts and 60-70 parts of Nematic phase liquid crystal material, by epoxy resin, amino terminated liquid nitrile rubber, curing agent and nematic phase liquid
Brilliant material is uniformly mixed, and obtains liquid crystal-plastic cement mixed liquor；
Liquid crystal in S3-plastic cement mixed liquor is evenly applied in S2 on surface treated two panels transparent conductive film by S4,
Transparent conductive film-liquid crystal-plastic cement-transparent conductive film system is constituted, and is put into molding die, plastic cement type liquid crystal is obtained
Exhaust end is arranged in film base, the molding die；
S5 moves into film plastic cement liquid crystal base in S4 in heat cure stove, heat cure 6 hours at a temperature of 100-120 DEG C, the heat
The a plurality of suction ports of setting in curing oven, the suction port is acted on by the pump housing carries out pumping process, the suction port with
The exhaust end of molding die connects, and the vacuum degree of the molding die is 0.004 Pa-0.005 Pa, obtains plastic cement type liquid crystal
Film.
Two panels transparent conductive film is surface-treated before coating liquid crystal-plastic cement mixed liquor, reduces electrically conducting transparent
The surface tension of film so that liquid crystal-wetability of the plastic cement mixed liquor on transparent conductive film is more preferable, improves liquid crystal-plastic cement
With the adhesion property of transparent conductive film.
Transparent conductive film-liquid crystal-plastic cement-transparent conductive film system is placed in molding die, in heat cure stove
During interior carry out heat cure, pumping process is carried out by suction port, reduces epoxy resin depositing in solidification process stomata
, and extract air of the liquid crystal-between plastic cement and transparent conductive film out so that connection of the liquid crystal-between plastic cement and transparent conductive film
It is even closer.
Wherein, the anion surfactant in the S2 is odium stearate.
Wherein, the curing agent in the S3 is polyamine or acid anhydrides.
Wherein, the preparation method of above-mentioned film plastic cement liquid crystal further includes
S6, in the step of electrode is arranged in conductive layer.
Compared with prior art, the advantageous effect that the present invention realizes：The preparation method of film plastic cement liquid crystal of the present invention is applying
Before covering liquid crystalline substance-plastic cement mixed liquor, transparent conductive film is surface-treated, reduces the surface tension of transparent conductive film,
Improve liquid crystal-wetability of the plastic cement mixed liquor on transparent conductive film so that liquid crystal-plastic cement mixed liquor is in transparent conductive film
Upper uniform drawout comes, and the cohesive force of liquid crystal-plastic cement and transparent conductive film is good after solidification, reduces generation of coming unglued；The present invention moulds
The preparation method of glue-type liquid crystal film carries out pumping process in carrying out curing process to molding die, simplifies operating procedure；
It carries out pumping process in the curing process to be also convenient for reducing the presence of epoxy resin cure posterior spiracle so that overall structure is more stepped up
It is close；The film plastic cement liquid crystal that the present invention obtains reduces the generation come unglued, and extends the service life of film plastic cement liquid crystal.
Description of the drawings
Below in conjunction with the drawings and specific embodiments, present invention be described in more detail：
Fig. 1 be film plastic cement liquid crystal of the present invention preparation method in molding die structural schematic diagram；
Fig. 2 be film plastic cement liquid crystal of the present invention preparation method in heat cure stove structural schematic diagram.
Wherein：Shell 1, door body 2, exhaust end 3, furnace body 4, suction port 5 and the pump housing 6.
Specific implementation mode
Such as Fig. 1, molding die includes shell 1, is located at the door body 2 of 1 side of shell, is located at the exhaust end of 1 other side of shell
3。
Such as Fig. 2, heat cure stove includes furnace body 4, the multiple suction ports 5 being set up in parallel in furnace body 4, the pumping end
Mouth 5 is connect with the pump housing 6 in 4 outside of furnace body, is acted on by the pump housing 6 and is carried out pumping process.
Embodiment 1
S1, prepares the transparent conductive film of the identical size of two panels according to product specification, on a surface of the transparent conductive film
Preparation has conductive layer；
Two panels transparent conductive film in S1 is carried out surface spraying by S2 using anion surfactant aqueous solution of sodium stearate
Processing, a concentration of 0.0045mol/L of aqueous solution of sodium stearate；
S3 weighs epoxy resin 60g, amino terminated liquid nitrile rubber 8g, curing agent 60g and Nematic phase liquid crystal material 65g, by ring
Oxygen resin, amino terminated liquid nitrile rubber, curing agent and Nematic phase liquid crystal material are uniformly mixed, and obtain liquid crystal-plastic cement mixed liquor；
Liquid crystal in S3-plastic cement mixed liquor is evenly applied in S2 on surface treated two panels transparent conductive film by S4,
Transparent conductive film-liquid crystal-plastic cement-transparent conductive film system is constituted, and is put into molding die, plastic cement type liquid crystal is obtained
Exhaust end 3 is arranged in film base, the molding die；
S5 moves into film plastic cement liquid crystal base in S4 in heat cure stove, the heat cure 6 hours at a temperature of 100 DEG C, in heat cure stove
A plurality of suction ports 5 are set, and suction port 5 is acted on by the pump housing 6 and carries out pumping process, the row of suction port 5 and molding die
Gas end 3 connects, and the vacuum degree of molding die is 0.004 Pa-0.005 Pa, obtains film plastic cement liquid crystal.
Embodiment 2
S1, prepares the transparent conductive film of the identical size of two panels according to product specification, on a surface of the transparent conductive film
Preparation has conductive layer；
Two panels transparent conductive film in S1 is carried out surface spraying by S2 using anion surfactant aqueous solution of sodium stearate
Processing, a concentration of 0.0045mol/L of aqueous solution of sodium stearate；
S3 weighs epoxy resin 65g, amino terminated liquid nitrile rubber 5g, curing agent 70g and Nematic phase liquid crystal material 70g, by ring
Oxygen resin, amino terminated liquid nitrile rubber, curing agent and Nematic phase liquid crystal material are uniformly mixed, and obtain liquid crystal-plastic cement mixed liquor；
Liquid crystal in S3-plastic cement mixed liquor is evenly applied in S2 on surface treated two panels transparent conductive film by S4,
Transparent conductive film-liquid crystal-plastic cement-transparent conductive film system is constituted, and is put into molding die, plastic cement type liquid crystal is obtained
Exhaust end 3 is arranged in film base, the molding die；
S5 moves into film plastic cement liquid crystal base in S4 in heat cure stove, the heat cure 6 hours at a temperature of 110 DEG C, in heat cure stove
A plurality of suction ports 5 are set, and suction port 5 is acted on by the pump housing 6 and carries out pumping process, the row of suction port 5 and molding die
Gas end 3 connects, the 0.004 Pa-0.005 Pa of vacuum degree of molding die, obtains film plastic cement liquid crystal.
Embodiment 3
S1, prepares the transparent conductive film of the identical size of two panels according to product specification, on a surface of the transparent conductive film
Preparation has conductive layer；
Two panels transparent conductive film in S1 is carried out surface spraying by S2 using anion surfactant aqueous solution of sodium stearate
Processing, a concentration of 0.0045mol/L of aqueous solution of sodium stearate；
S3 weighs epoxy resin 70g, amino terminated liquid nitrile rubber 10g, curing agent 63g and Nematic phase liquid crystal material 60g, will
Epoxy resin, amino terminated liquid nitrile rubber, curing agent and Nematic phase liquid crystal material are uniformly mixed, and obtain liquid crystal-plastic cement mixing
Liquid；
Liquid crystal in S3-plastic cement mixed liquor is evenly applied in S2 on surface treated two panels transparent conductive film by S4,
Transparent conductive film-liquid crystal-plastic cement-transparent conductive film system is constituted, and is put into molding die, plastic cement type liquid crystal is obtained
Exhaust end 3 is arranged in film base, the molding die；
S5 moves into film plastic cement liquid crystal base in S4 in heat cure stove, the heat cure 6 hours at a temperature of 100 DEG C, in heat cure stove
A plurality of suction ports 5 are set, and suction port 5 is acted on by the pump housing 6 and carries out pumping process, the row of suction port 5 and molding die
Gas end 3 connects, and the vacuum degree of molding die is 0.004 Pa-0.005 Pa, obtains film plastic cement liquid crystal.
It comes unglued experiment
Embodiment 1-3 and publication No. the CN102385188A film plastic cement liquid crystal prepared are subjected to experiment of coming unglued respectively.
Experimentation：Each one piece of film plastic cement liquid crystal prepared by Example 1-3 and publication No. CN102385188A, determines
The length of each film plastic cement liquid crystal is 300 millimeters, and width is 300 millimeters, and thickness is 13 millimeters, and each film plastic cement liquid crystal level is put
It is placed on the stainless steel barrier dress specimen holder in high/low temperature damp heat box, bilevel sample is put in dislocation, to ensure temperature
With the uniformity of humidity.The control process time is 48 hours, and treatment temperature is 60 ± 1 DEG C, and processing humidity is 98 ± 1%.
After being disposed, the variation of the front and back each sample appearance of visual inspection experiment first finds feature of coming unglued, and using straight
Ruler manual measurement comes unglued the size and record of part, if treated sample edge and corner size occur and be not less than 2mm
（It is wide）×5mm（It is long）Come unglued or diameter comes unglued not less than the spot of 2mm, then judge the product daily use or storage,
Transportational process is easy to come unglued, on the contrary, then it is assumed that the humidity resistance of product is preferable, is not easy to come unglued.
Film plastic cement liquid crystal prepared by embodiment 1-3 and publication No. CN102385188A carries out experiment of coming unglued, obtained reality
It is as shown in table 1 to test data.
| It comes unglued size | Evaluation | |
| Embodiment 1 | Diameter is less than 1mm | It is not easy to come unglued |
| Embodiment 2 | 1.5mm（It is wide）×3mm（It is long） | It is not easy to come unglued |
| Embodiment 3 | 1mm（It is wide）×5mm（It is long） | It is not easy to come unglued |
| CN102385188A | 5mm（It is wide）×7mm（It is long） | Easily come unglued |
As shown in table 1, the film plastic cement liquid crystal that embodiment 1-3 is obtained is not easy to come unglued, and modeling prepared by CN102385188A
Glue-type liquid crystal film easily comes unglued.
The above specific embodiments are only exemplary, is to preferably make skilled artisans appreciate that originally
Patent, be not to be construed as include to this patent range limitation；As long as appointing according to made by spirit disclosed in this patent
How with change or modification, the range that this patent includes is each fallen within.
Claims (4)
1. a kind of preparation method of film plastic cement liquid crystal, which is characterized in that include the following steps：
S1, prepares the transparent conductive film of the identical size of two panels according to product specification, on a surface of the transparent conductive film
Preparation has conductive layer；
Two panels transparent conductive film in S1 is surface-treated by S2 using anion surfactant；
S3 takes the following raw material of parts by weight：60-70 parts of epoxy resin, 5-10 parts of amino terminated liquid nitrile rubber, curing agent
60-70 parts and 60-70 parts of Nematic phase liquid crystal material, by epoxy resin, amino terminated liquid nitrile rubber, curing agent and nematic phase liquid
Brilliant material is uniformly mixed, and obtains liquid crystal-plastic cement mixed liquor；
Liquid crystal in S3-plastic cement mixed liquor is evenly applied in S2 on surface treated two panels transparent conductive film by S4,
Transparent conductive film-liquid crystal-plastic cement-transparent conductive film system is constituted, and is put into molding die, plastic cement type liquid crystal is obtained
Exhaust end is arranged in film base, the molding die；
S5 moves into film plastic cement liquid crystal base in S4 in heat cure stove, heat cure 6 hours at a temperature of 100-120 DEG C, the heat
The a plurality of suction ports of setting in curing oven, the suction port is acted on by the pump housing carries out pumping process, the suction port with
The exhaust end of molding die connects, and the vacuum degree of the molding die is 0.004 Pa-0.005 Pa, obtains plastic cement type liquid crystal
Film.
2. the preparation method of film plastic cement liquid crystal as described in claim 1, which is characterized in that the anionic surface in the S2 is lived
Property agent be odium stearate.
3. the preparation method of film plastic cement liquid crystal as described in claim 1, which is characterized in that the curing agent in the S3 is polynary
Amine or acid anhydrides.
4. the preparation method of film plastic cement liquid crystal as described in claim 1, which is characterized in that further include
S6, in the step of electrode is arranged in conductive layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710175713.5A CN108628023A (en) | 2017-03-22 | 2017-03-22 | A kind of preparation method of film plastic cement liquid crystal |
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| CN201710175713.5A CN108628023A (en) | 2017-03-22 | 2017-03-22 | A kind of preparation method of film plastic cement liquid crystal |
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| CN102618298A (en) * | 2012-02-27 | 2012-08-01 | 北京八亿时空液晶科技股份有限公司 | Polymer dispersed liquid crystal material, polymer dispersed liquid crystal display device and manufacturing method of polymer dispersed liquid crystal display device |
| CN102789083A (en) * | 2012-09-05 | 2012-11-21 | 河北工业大学 | Trans-structure shear effect dimming glass |
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| CN101261383A (en) * | 2008-04-29 | 2008-09-10 | 河北工业大学 | Polymer dispersed LCD bistable film and method of manufacture |
| CN101776819A (en) * | 2009-01-14 | 2010-07-14 | 北京众智同辉科技有限公司 | High-clearing-point electro-liquid-crystal atomized glass |
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Application publication date: 20181009 |