CN112251072A - High-flux ink-jet printing preparation method of polymer stabilized liquid crystal material - Google Patents
High-flux ink-jet printing preparation method of polymer stabilized liquid crystal material Download PDFInfo
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Abstract
A high-flux ink-jet printing preparation method of a polymer stabilized liquid crystal material. Firstly, liquid crystal doping materials such as liquid crystal, polymerizable monomers, initiators and chiral compounds are respectively prepared into solutions with solvents under the conditions required by ink-jet printing, and the solutions are respectively used as ink to be injected into an ink box of a printer; then, designing a printing pattern based on a CMYK mode according to the required printing proportion, the size of the sample point, the printing position and the like; then printing a design pattern on the processed substrate; then drying, controlling temperature, assembling and other processes are carried out to obtain a multi-sample liquid crystal box containing different components; finally, ultraviolet irradiation is used for initiating or thermally initiating the polymerization of the monomers in the liquid crystal system, thereby preparing the polymer of multiple samplesStabilizing the liquid crystal film material. The method can realize simultaneous printing preparation of 4x104Per m2The polymer-liquid crystal film material with different compositions has the advantages of less sample consumption, quick preparation and simple instrument, and provides powerful support for quick screening of subsequent samples, thereby saving the material research and development cost and improving the research and development efficiency.
Description
Technical Field
The invention belongs to the technical field of materials, and particularly relates to a high-throughput ink-jet printing preparation method of a polymer stabilized liquid crystal material.
Background
The polymer stabilized liquid crystal material is a novel photoelectric composite material which forms a network by a small amount of polymers to stabilize a liquid crystal phase state, and has wide application prospect in the fields of information display, light adjusting films and the like because a polymer stabilized liquid crystal device has the characteristics of flexibility, light weight, energy saving and the like. Common polymer-stabilized liquid crystal materials are: the polymer-stabilized nematic liquid crystal material, the polymer-stabilized cholesteric liquid crystal material (PSCT), and the polymer-stabilized blue phase liquid crystal material (PS-BPLC) mainly comprise the following components: liquid crystal, chiral compounds, polymerizable monomers, initiators and the like, and the types and the proportions of the components need to be regulated and controlled, so that the performance of the components is optimized, and the components can be applied to respective fields.
In the traditional method, the formula with excellent performance is screened by adopting the detection of a single mixture and the iteration of the formula, manual one-by-one mixing and detection are relied on, the process is complicated and time-consuming, and the performance parameters of the mixture are very sensitive to the proportion of each component, such as the proportion of chiral compounds and nano particles in the whole mixture is very small, the manual work is difficult to accurately weigh, besides, the method is influenced by the change of the precision of an instrument and external conditions, the composition of liquid crystal mixtures obtained by mixing different batches is very easy to generate errors, which is very unfavorable for the screening and analysis in the later period, so that the industry urgently needs a new high-throughput preparation method capable of synthesizing various formulas in a small amount, accurately.
The high-throughput preparation method based on the ink-jet printing has the advantages that multiple components and multiple samples can be simultaneously prepared, the required samples are prepared from trace raw materials, the mixing is uniform, accurate and rapid, errors caused by manual mixing can be effectively avoided, the consumption of the raw materials is greatly reduced, the preparation time of the samples is saved, and the material research and development efficiency is improved. The method is currently used in a plurality of high-throughput preparation fields such as preparation of ceramics, polymers, metal oxides, biomedical materials and the like, and there is only a literature report on ink-jet printing of liquid crystal materials, and there is no patent report on application of ink-jet printing to high-throughput preparation of liquid crystal materials.
The difficulties in applying ink-jet printing to high-throughput preparation of liquid crystal materials are as follows: 1) liquid crystal and polymer solution properties: viscosity, surface tension, solvent evaporation rate, etc., which are difficult to satisfy the conditions of the inkjet printing solution; 2) the proportion of each component solution can be accurately controlled without proper software and method, and the high-flux preparation of the liquid crystal of the polymer stable liquid crystal material is difficult to realize; 3) printed polymer and liquid crystal ink drops are difficult to be gathered into a film, the uniformity of the printed polymer and liquid crystal ink drops is difficult to be ensured, and the characterization of the phase state and the electro-optical performance of the printed polymer and liquid crystal ink drops is hindered; 4) the printed liquid crystal samples can form a liquid crystal box according to the requirements of phase state detection and electro-optical performance detection, and further, in the process of preparing the liquid crystal box, the dot liquid films of the printed liquid crystal samples are mutually independent and do not fuse and move, and the performance can still be maintained under the conditions of temperature rise and drop and inclination.
Disclosure of Invention
The invention provides a high-throughput ink-jet printing preparation method of a polymer stabilized liquid crystal material, which overcomes the difficulty of preparing a liquid crystal mixed material by ink-jet printing, needs few raw materials, has short time and low cost, and can be used for high-throughput preparation of the polymer stabilized liquid crystal material and high-throughput detection and screening matched with the material.
The high-throughput ink-jet printing preparation method of the polymer stabilized liquid crystal material provided by the invention comprises the following steps: firstly, liquid crystal, polymerizable monomer, initiator, chiral compound and other liquid crystal doping materials are respectively prepared into solution with an organic solvent, the concentration of the solution needs to meet the ink-jet printing condition, and the solution is adjusted according to the proportion of each component printing target; controlling the printing proportion, the sample point size and the printing position of each solution by designing a pattern to be printed; injecting various prepared solutions as ink into the ink box respectively, and printing the ink on the treated substrate by a printer; the printed sample is placed in a forced air drying oven for drying, and is taken out after the organic solvent is volatilized; covering another substrate, controlling the interval thickness of the two substrates by adopting glass beads or a spacer, and fixing the positions of the two substrates to obtain a liquid crystal box containing a plurality of sample points with different components; ultraviolet light irradiation or thermal polymerization is carried out on the liquid crystal film at the sample point,the polymerizable monomer molecules are subjected to polymerization reaction to finally form a high molecular network, so that the liquid crystal phase state in the film is stabilized. The method can realize simultaneous printing of 4x104Per m2Polymers with different compositions stabilized liquid crystal material samples.
The invention relates to a high-flux ink-jet printing preparation method of polymer stabilized liquid crystal material liquid crystal, which comprises the following specific steps:
(1) preparing a solution of a liquid crystal, a chiral compound, an initiator and a polymerizable monomer, wherein the liquid crystal, the chiral compound and the polymerizable monomer respectively account for 10-80 wt% of an organic solvent according to mass fraction; 5-40 wt%; 5-40 wt%; 0.01-10 wt% of the mixture is mixed, 0.01-5 wt% of initiator is added into the liquid crystal solution, the liquid crystal solution is ultrasonically and uniformly mixed above a clearing point, and the rest solutions are ultrasonically and uniformly mixed at room temperature to respectively obtain the solutions of all the components for standby;
(2) treatment of the substrate: one printed substrate is treated by oleophobic treatment, the other substrate is not treated, the oleophobic coating is uniformly coated on the substrate, the substrate is put into an oven and baked for 5-30min at 100-300 ℃, then the solvent is volatilized and taken out to obtain the oleophobic substrate, an oleophobic orientation coating is coated on the substrate for the liquid crystal material with orientation requirement, and the coating is rubbed in one direction by a flannelette to form the oleophobic coating with orientation;
(3) the printing proportion, the sample point size and the printing position of each solution are controlled by designing the pattern to be printed through software: designing a printing pattern by using common image design software, wherein the CMYK value range of sample points is 0-100, the value ranges respectively correspond to the ink jet quality of different solutions on the sample points, the image resolution is more than 300dpi, the diameter of the sample points is more than 1mm, the interval is more than 1mm, the printing parameters are controlled by using printer ink control software, and the printing resolution is 360x360dpi-2880x1440 dpi;
(4) cleaning the ink box, injecting various prepared solutions into the ink box as ink, printing the ink box on an oleophobic substrate through a printer, controlling the temperature of the substrate to be 10-25 ℃ during printing to ensure the film forming property of a liquid crystal sample point, placing the printed sample in a forced air drying box, setting the drying temperature to be 30-50 ℃, and taking out the printed sample after an organic solvent is volatilized;
(5) adding glass beads or spacers to the periphery of a sample on a substrate, wherein the thickness of the glass beads or spacers is 3-40 mu m, controlling the thickness of a liquid crystal layer, covering another substrate, and bonding the two substrates by using an adhesive tape or fixing by using glue to obtain a liquid crystal box containing a plurality of polymer stable liquid crystal material sample points with different components;
(6) and carrying out ultraviolet irradiation or thermal polymerization on the liquid crystal film of the sample point, and carrying out polymerization reaction on polymerizable monomer molecules under a certain polymerization condition to finally form a high molecular network so as to achieve the aim of stabilizing the liquid crystal phase state in the film.
Further, the chiral compound is: derivatives such as binaphthol, isosorbide, sec-octanol, cholesterol, 2-methylbutanol, and 2, 2' -substituted biphenyl are preferably one of R (S)5011, R (S)811, R (S)1011, and CB 15.
Further, the initiator is: 1) photoinitiator (2): benzil dimethyl ether, benzoin ethyl ether, 2-hydroxy-2-methyl-1-phenyl ketone, benzophenone, 4-chlorobenzophenone or 2, 4, 6-trimethylbenzoyldiphenylphosphine oxide; 2) thermal initiator: azobisisobutyronitrile, dibenzoyl peroxide, lauroyl peroxide or diisopropyl peroxydicarbonate.
Further, the polymerizable monomer is: the number of the active functional groups is 1-5, and the active functional groups are preferably one or more of C6M, RM257, BAB6 and TMPTMA.
Further, the organic solvent is selected from low-toxicity, low-corrosiveness and high-boiling point solvents, preferably solvents with boiling points higher than 50 ℃ and having no corrosion effect on the ink channel, and comprises one or more of ethanol, acetone, toluene, cyclohexane and cyclohexanone; preferred is one of cyclohexanone, acetone and cyclohexane.
Further, the substrate is: hard or flexible transparent films including glass, PET film, polyethylene film, PVC film.
Further, the oleophobic coating is as follows: polytetrafluoroethylene coating, fluorine-containing silane, fluorine-containing siloxane, perfluorooctanoic acid, fluorinated pyrrole derivative, PVA, and polyimide.
Further, the polymerization conditions are as follows: the ultraviolet wavelength is 200-400nm, the ultraviolet irradiation time is 1-60 minutes, and the ultraviolet irradiation intensity is 0.2-100mW/cm2The thermal polymerization temperature is 25-150 ℃, and the thermal polymerization time is 30-180 minutes.
The high-throughput ink-jet printing preparation method of the polymer stabilized liquid crystal material provided by the invention has the following beneficial effects:
1. the high-throughput preparation of the multi-component multi-sample polymer liquid crystal material effectively avoids human errors: the traditional method depends on manual mixing of polymer liquid crystal materials, the process is complicated and time-consuming, and performance parameters of the mixture are very sensitive to the proportion of each component, for example, the proportion of chiral compounds and nano particles in the whole mixture is very small, the manual weighing is difficult to accurately weigh, in addition, the components of the liquid crystal mixture obtained by mixing different batches are easily subjected to error due to the change of instrument precision and external conditions. The polymer stable liquid crystal material is prepared by an ink-jet printing method at high throughput, a plurality of samples with different components can be prepared at one time, and the printing density of the samples can reach 4x104The consumed material of a single sample point is measured in microliter, so that the error caused by manual operation can be effectively avoided, the consumption of raw materials is greatly reduced, and the preparation time of the sample is saved;
2. the sample has uniform components and good film forming quality: when the mixed liquid crystal material is subjected to ink-jet printing, a plurality of spray heads simultaneously spray each component sample, all the components on the sample points are uniformly mixed, operations such as stirring, ultrasound and the like during manual mixing are not needed, and because the temperature of a substrate during printing is controlled, each component sample sprayed by the spray heads can be connected into a film and is not distributed in scattered points, necessary support is provided for phase state and electro-optical performance detection of the sample;
3. the sample points are independent, do not overlap and do not move in the liquid crystal box: the sample needs to be moved in the sample post-treatment process, the temperature of the sample needs to be increased and decreased in the sample detection process, the sample is obliquely placed, so that the mutual independence of sample points in a liquid crystal box is very critical, a substrate is subjected to certain treatment before printing, each printed sample point can be kept mutually independent in the liquid crystal box, and the liquid crystal phase temperature domain detection device and the electro-optic performance detection device are effectively matched to carry out high-flux screening on the material.
Drawings
Figure 1 is a design of an ink jet printed liquid crystal of a polymer stabilized liquid crystal material,
figure 2 is an ink jet printed pattern of different component polymer stabilized liquid crystal material,
figure 3 is a POM image of an ink jet printed polymer stabilized liquid crystal material,
FIG. 4 is a temperature domain detection image of ink-jet printed liquid crystal of different component polymer stabilized liquid crystal material.
Detailed Description
The following description will be made with reference to specific examples to illustrate the method for preparing polymer stabilized liquid crystal material by high throughput inkjet printing, but the present invention is not limited to the following examples.
Example 1
High-throughput ink-jet printing preparation of the polymer-stabilized blue phase liquid crystal material:
1) dissolving 1g of liquid crystal SLC7011 and 0.8mg of initiator 651 in 1g of ethanol, heating to a temperature above 68 ℃ of a liquid crystal clearing point, and ultrasonically stirring for 15 min; dissolving 0.7g of chiral compound S811 in 1.3g of ethanol, and ultrasonically stirring for 30 min; dissolving 0.2g of monomer C6M in 1.8g of ethanol, and ultrasonically stirring for 30 min; 0.1g of cross-linking agent TMPTMA is dissolved in 1.9g of ethanol, and ultrasonic treatment is carried out for 30min to obtain each component solution.
2) And (3) mixing the polytetrafluoroethylene coating and ethanol in a mass ratio of 1:1, uniformly coating the mixture on a conductive surface of the ITO glass substrate, baking the mixture in an oven at 180 ℃ for 5min, and volatilizing and taking out the solvent to obtain the ITO glass substrate subjected to oleophobic treatment.
3) The printing pattern is designed by adopting image design software, CMYK values of all color blocks can be converted with the quality of printing solution, four channels of CMYK respectively correspond to four solutions of S811, C6M, SLC7011 and TMPTMA, and the distribution ratio of each component is as follows: s811 (wt%): 30-40, C6M (wt%): 0-10, TMPTMA (wt%): 0-10, the mass of the residual components is liquid crystal, the design gradient of each component is 2 wt%, the total number of 216 sample points is 2mm, the sample points are spaced by 3mm, and the resolution of an output image is 300dpi, which is shown in figure 1.
4) The prepared solution is respectively filled into ink boxes with corresponding colors as ink, printing parameters are controlled by printing software, the printing resolution is 1440x1440dpi, the size of an ink drop is selected from Large, the ink output is 200 wt%, the ink is printed on an ITO glass substrate subjected to oleophobic treatment by a printer, a printed sample is placed in a blast drying oven, the temperature is set to be 30-40 ℃, and the sample is taken out after an organic solvent is volatilized.
5) And dripping dichloromethane suspension liquid containing glass beads around the sample on the ITO glass, covering another ITO glass substrate after dichloromethane is volatilized, and fixing by using an adhesive tape to obtain the liquid crystal box containing a plurality of sample points with different components.
6) Carrying out ultraviolet irradiation polymerization on the liquid crystal film of the sample point at the polymerization temperature of 25 ℃, the ultraviolet wavelength of 365nm, the ultraviolet irradiation time of 30 minutes and the ultraviolet irradiation intensity of 20mW/cm2。
Tests show that the temperature range of the blue phase liquid crystal before polymerization is more than 8.5-30.5 ℃, wherein the low temperature is the low temperature limit which can be reached by experimental equipment, and the liquid crystal phase state is still the blue phase.
Example 2
High-throughput ink-jet printing preparation of polymer stabilized cholesteric liquid crystal material:
1) dissolving 1g of liquid crystal SLC-1717 and 0.8mg of initiator 651 in 1g of toluene, heating to a liquid crystal clearing point above 92 ℃, and carrying out ultrasonic treatment for 15 min; dissolving 0.2g of chiral compound S811 in 1.8g of toluene, and stirring for 30min with shaking; 0.2g of monomer C6M is dissolved in 1.8g of toluene, stirred with shaking for 30 min; 0.1g of cross-linking agent TMPTMA is dissolved in 1.9g of toluene, and stirred for 30min with shaking to obtain each component solution.
2) And (3) mixing the polytetrafluoroethylene coating and ethanol in a mass ratio of 1:1, uniformly coating the mixture on a conductive surface of the ITO glass substrate by using crystal filling cotton, baking the mixture in an oven at 180 ℃ for 5min, volatilizing the solvent, and taking out the solvent to obtain the ITO glass substrate subjected to oleophobic treatment.
3) The printing pattern is designed by adopting image design software, CMYK values of all color blocks can be converted with the quality of printing solution, four channels of CMYK respectively correspond to four solutions of S811, C6M, SLC-1717 and TMPTMA, and the distribution ratio of each component is as follows: s811 (wt%): 2-12, C6M (wt%): 0-10, TMPTMA (wt%): 0-10, the mass of the residual components is liquid crystal, the design gradient of each component is 2 wt%, the total number of 216 sample points is calculated, the size of each sample point is 2mm, the interval is 3mm, and the resolution of an output image is 300 dpi.
4) The prepared solution is respectively filled into ink boxes with corresponding colors as ink, printing parameters are controlled by printing software, the printing resolution is 1440x1440dpi, the size of an ink drop is selected from Large, the ink output is 200 wt%, the ink is printed on an ITO glass substrate subjected to oleophobic treatment by a printer, a printed sample is placed in a blast drying oven, the temperature is set to be 30-40 ℃, and the sample is taken out after an organic solvent is volatilized.
5) And dripping dichloromethane suspension liquid containing glass beads around the sample on the ITO glass, covering another ITO glass substrate after dichloromethane is volatilized, and fixing by using an adhesive tape to obtain the liquid crystal box containing a plurality of sample points with different components.
6) Carrying out ultraviolet irradiation polymerization on the liquid crystal film of the sample point at the polymerization temperature of 25 ℃, the ultraviolet wavelength of 365nm, the ultraviolet irradiation time of 30 minutes and the ultraviolet irradiation intensity of 10 mW/cm2。
Example 3
High throughput inkjet printing preparation of polymer stabilized nematic liquid crystal material:
1) dissolving 1g of liquid crystal SLC7011 and 0.8mg of initiator 651 in 1g of cyclohexanone, heating to a temperature above 68 ℃ of a liquid crystal clearing point, and ultrasonically stirring for 15 min; 0.2g of monomer C6M was dissolved in 1.8g of cyclohexanone, and stirred with ultrasonic waves for 30 min; 0.1g of a crosslinking agent TMPTMA was dissolved in 1.9g of cyclohexanone, and ultrasonically stirred for 30min to obtain each component solution.
2) And (3) mixing the polytetrafluoroethylene coating and ethanol in a mass ratio of 1:1, uniformly coating the mixture on a conductive surface of the ITO glass substrate, baking the mixture in an oven at 180 ℃ for 5min, and volatilizing and taking out the solvent to obtain the ITO glass substrate subjected to oleophobic treatment.
3) The image design software is adopted to design the printing pattern, the MYK value of each color block can be converted with the quality of the printing solution, four channels of MYK respectively correspond to three solutions of C6M, SLC7011 and TMPTMA, and the distribution ratio of each component is as follows: C6M (wt%): 0-10, TMPTMA (wt%): 0-10, the mass of the residual components is liquid crystal, the design gradient of each component is 2 wt%, the total number of 36 sample points is 2mm, the sample points are spaced by 3mm, and the resolution of an output image is 300 dpi.
4) The prepared solution is respectively filled into ink boxes with corresponding colors as ink, printing parameters are controlled by printing software, the printing resolution is 1440x1440dpi, the size of an ink drop is selected from Large, the ink output is 200 wt%, the ink is printed on an ITO glass substrate subjected to oleophobic treatment by a printer, a printed sample is placed in a blast drying oven, the temperature is set to be 30-40 ℃, and the sample is taken out after an organic solvent is volatilized.
5) And dripping dichloromethane suspension liquid containing glass beads around the sample on the ITO glass, covering another ITO glass substrate after dichloromethane is volatilized, and fixing by using an adhesive tape to obtain the liquid crystal box containing a plurality of sample points with different components.
6) Carrying out ultraviolet irradiation polymerization on the liquid crystal film of the sample point, wherein the polymerization temperature is 25 ℃, the wavelength of ultraviolet light is 365nm, the irradiation time of the ultraviolet light is 30 minutes, and the irradiation intensity of the ultraviolet light is 30mW/cm2。
Claims (10)
1. A high-throughput ink-jet printing preparation method of a polymer stabilized liquid crystal material is characterized by comprising the following steps: firstly, respectively preparing liquid crystal, polymerizable monomer, initiator and chiral compound liquid crystal doping material into solvent solutions meeting the conditions of ink-jet printing concentration, and respectively injecting the solvent solutions serving as ink into each ink box of a printer; then printing a sample pattern meeting the component proportion on a substrate according to the requirement, and then preparing the multi-sample and multi-component polymer stable liquid crystal film material by drying, temperature control, assembly and polymerization processes, wherein the method can prepare up to 4x10 in high flux4Per m2Polymers with different compositions stabilized liquid crystal material samples.
2. The method for preparing a polymer stabilized liquid crystal material by high throughput ink jet printing according to claim 1, comprising the steps of:
(1) preparing a precursor printing solution of polymer liquid crystal: liquid crystal, polymerizable monomer, initiator and chiral compound liquid crystal doping material, which respectively account for 10-80 wt% of the total mixed system; 1-50 wt%; 0.01-5 wt% and 0-40 wt%. Adding organic solvent, mechanically stirring or ultrasonically mixing uniformly, and adjusting the concentration of the precursor solution to make the performance of the precursor solution meet the optimal ink drop diffusion condition and particle size for ink-jet printing<30nm, viscosity of 1-30mPs, and density of 0.5-2.0g/cm3;
(2) Treatment of the substrate: carrying out surface cleaning, hydrophilic or oleophobic treatment and orientation treatment on the printed glass; firstly, uniformly and spirally coating a treating agent on a substrate, putting the substrate into an oven, baking the substrate for 5-30min at the temperature of 100-300 ℃, and taking out the substrate after a solvent is completely volatilized completely to obtain the treated substrate; for the liquid crystal material needing to be oriented, a parallel or vertical orientation reagent is coated on a substrate, and the coating is dried for later use; for the parallel orientation reagent, rubbing orientation is needed to be carried out on the substrate in one direction by using flannelette so as to obtain a coating with the surface parallel to the substrate; the vertical orientation reagent does not need extra rubbing orientation, and the vertical orientation reagent can be used after being dried; the other piece of cover plate glass can be used after being ultrasonically cleaned and dried without additional surface treatment;
(3) pattern design of the sample library: the printing proportion, the sample point size and the printing position of each solution are controlled by designing the pattern to be printed through software: designing a printing pattern based on a CMYK printing mode by adopting image processing software, wherein the image resolution is more than 300 dpi; based on the relationship between the CMYK value and the ink-jet quality of different solutions, the composition, the printing quantity and the position of a sample point of each precursor solution are designed and controlled, the diameter of the sample point is more than 1mm, and the interval is more than 1 mm;
(4) ink-jet printing: injecting various prepared precursor solutions as ink into a cleaned ink box respectively, and carrying out ink-jet printing on the designed sample library pattern to a substrate subjected to surface affinity and hydrophobicity treatment and orientation treatment by using an image processing software through a printer; controlling the printing temperature to be 10-20 ℃ to ensure the film forming property of the liquid crystal sample point, placing the printed sample in a forced air drying oven at 20-50 ℃ for drying, and taking out the printed sample after the organic solvent is volatilized;
(5) assembling a liquid crystal box: adding glass beads or spacers to the periphery of a sample on a substrate, wherein the thickness of the glass beads or spacers is 5-100 mu m, controlling the thickness of a liquid crystal layer, covering another glass cover plate, and bonding two substrates by using an adhesive tape or sealing and fixing by using glue to obtain a liquid crystal box containing a plurality of liquid crystal material sample points with different components;
(6) polymerization-stable liquid crystal phase: under the polymerization conditions of certain temperature and the like, the polymerizable monomers gathered by an ultraviolet irradiation or thermal initiation system are polymerized to form a high molecular network on the liquid crystal box containing the sample points, so that a multi-component and multi-formula polymer stable liquid crystal film sample library is obtained at high flux.
3. The method for high throughput ink jet printing of polymer stabilized liquid crystal material according to claim 1 wherein: the chiral compound is: binaphthol, isosorbide, sec-octanol, cholesterol, 2-methylbutanol, 2' -substituted biphenyl derivatives, preferably the binaphthol derivatives and isosorbide derivatives having a large twisting power and a good solubility, include R (S)5011 and R (S) 811.
4. The method for high throughput ink jet printing of polymer stabilized liquid crystal material according to claim 1 wherein: the liquid crystal material is a liquid crystal material or a mixture of a plurality of liquid crystal materials; the liquid crystal is a liquid crystal material with one or more liquid crystal states of nematic phase, cholesteric phase, blue phase, smectic phase, TGB phase or cubic phase.
5. The method for high throughput ink jet printing of polymer stabilized liquid crystal material according to claim 1 wherein: the polymerizable monomer is a liquid crystal monomer and a non-liquid crystal monomer, and is selected from acrylates, methacrylates, diacetyl monomers, styryl monomers and thiols with good solubility, the number of active functional groups is 1-5, and the active functional groups comprise one or more of C6M, RM257, BAB6 and TMPTMA.
6. The method for high throughput ink jet printing of polymer stabilized liquid crystal material according to claim 1 wherein: the organic solvent is selected from high boiling point solvent with boiling point higher than 50 deg.C, and has no toxicity or low toxicity, and no corrosion to ink channel, and comprises one or more of ethanol, acetone, toluene, cyclohexane, and cyclohexanone.
7. The method for high throughput ink jet printing of polymer stabilized liquid crystal material according to claim 1 wherein: the substrate is as follows: hard or flexible transparent films including glass, PET film, polyethylene film, PVC film.
8. The method for high throughput ink jet printing of polymer stabilized liquid crystal material according to claim 1 wherein: the surface treating agent is: polytetrafluoroethylene coating, fluorine-containing silane, fluorine-containing siloxane, perfluorooctanoic acid, fluorinated pyrrole derivative, PVA, and polyimide.
9. The method for high throughput ink jet printing of polymer stabilized liquid crystal material according to claim 1 wherein: the initiator is as follows: (1) photoinitiator (2): benzil bismethylether, benzoin ethyl ether, 2-hydroxy-2-methyl-1-phenyl ketone, benzophenone, 4-chlorobenzophenone or 2, 4, 6-trimethylbenzoyldiphenylphosphine oxide, (2) a thermal initiator: azobisisobutyronitrile, dibenzoyl peroxide, lauroyl peroxide or diisopropyl peroxydicarbonate.
10. The method for high throughput ink jet printing of polymer stabilized liquid crystal material according to claim 1 wherein: the photopolymerization conditions are as follows: the ultraviolet wavelength is 200-400nm, the ultraviolet irradiation time is 1-60 minutes, and the ultraviolet irradiation intensity is 0.2-100mW/cm2The thermal polymerization temperature is 25-150 ℃, and the thermal polymerization time is 30-180 minutes.
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