CN103087259B - Three-color particles, microfluid device for preparing three-color particles, preparation method and electronic paper - Google Patents
Three-color particles, microfluid device for preparing three-color particles, preparation method and electronic paper Download PDFInfo
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- CN103087259B CN103087259B CN201310023741.7A CN201310023741A CN103087259B CN 103087259 B CN103087259 B CN 103087259B CN 201310023741 A CN201310023741 A CN 201310023741A CN 103087259 B CN103087259 B CN 103087259B
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Abstract
The invention relates to three-color particles, a microfluid device for preparing three-color particles, a preparation method and electronic paper. The three-color particles are optical anisotropic three-color particles which are formed by photopolymerization of three dyes and at least three photopolymerization monomers in the presence of an initiator, wherein at least two photopolymerization monomers in the three photopolymerization monomers have different charges. The three-color particles are optical anisotropic three-color particles for the electronic paper and have the advantages of uniform distribution of particle size and remarkable color partition. The electronic paper can be displayed with colors.
Description
Technical field
The present invention relates to color electric paper technical field, relate in particular to microfluidic device, preparation method and the Electronic Paper of a kind of three colored particles, preparation three colored particles.
Background technology
Electronic paper technology, by plain paper and electronic display technology perfect adaptation, is read flexible demonstration of comfortable, ultra-thin flat board light, super low energy consumption for people provide a kind of, is the developing direction of following technique of display.Wherein Gyricon is a kind of reflection-type technique of display that causes extensive concern, also claim screw indicating meter (TwistingBall Display), it is the addressable display being formed by optical anisotropy ball, these screws can optionally turn to viewer by certain one side, show thereby realize.The research in this field at present mainly concentrates on black and white twin color ball, cannot obtain multicolour image, and designing and preparing anisotropic broken colour screw is that Gyricon Electronic Paper realizes the gordian technique that colorize shows.The surface of broken colour screw has more color subregion, is therefore generally used for the method for preparing black and white twin color ball and is not necessarily applicable to prepare polychlormal balls, and this is also that Gyricon Electronic Paper is difficult to realize the colored reason showing to a great extent.
Summary of the invention
The object of this invention is to provide microfluidic device, preparation method and the Electronic Paper of a kind of three colored particles, preparation three colored particles.
Three colored particles provided by the present invention are that in wherein said three kinds of photo polymerization monomers, at least two kinds of photo polymerization monomers are with different electric charges by three kinds of dyestuffs and three kinds of photo polymerization monomer optically anisotropic three colored particles that photopolymerization forms under light trigger exists.
Wherein, the particle diameter of described three colored particles is 5-100um.
Wherein, the particle diameter of described three colored particles is 10-50um.
Another object of the present invention is to provide a kind of microfluidic device for the preparation of above-mentioned three colored particles.
Microfluidic device provided by the present invention, comprise five microfluidic channel and ultraviolet lamp, described five microfluidic channel are respectively three fluid passage and two outer fluid passages, three fluid passage are positioned in the middle of two outer fluid passages, it is circular porthole that three fluid passage are combined into a cross section at exit end, and described two outer fluid passages are connected with the porthole of described circle; Described ultraviolet lamp is arranged at the porthole place of described circle.
Wherein, the diameter of the porthole of described circle is 2-100um.
A further object of the present invention is to provide a kind of preparation method of above-mentioned three colored particles, comprises the steps:
The first fluid that preparation contains the first dyestuff, the first photo polymerization monomer and light trigger;
The second fluid that preparation contains the second dyestuff, the second photo polymerization monomer and light trigger;
The 3rd fluid that preparation contains the third dyestuff, the 3rd photo polymerization monomer and light trigger;
The aqueous solution that preparation contains tensio-active agent;
By described first fluid, described second fluid, described the 3rd fluid and described in contain tensio-active agent the aqueous solution inject respectively microfluidic device,
Wherein, described microfluidic device comprises five microfluidic channel and ultraviolet lamp, described five microfluidic channel are respectively three fluid passage and two outer fluid passages, three fluid passage are positioned in the middle of two outer fluid passages, it is circular porthole that three fluid passage are combined into a cross section at exit end, and described two outer fluid passages are connected with the porthole of described circle; Described ultraviolet lamp is arranged at the porthole place of described circle,
Described first fluid, described second fluid and described the 3rd fluid inject respectively three fluid passage of described microfluidic device, described in contain tensio-active agent the aqueous solution inject two outer fluid passages of described microfluidic device;
When three kinds of fluids porthole place with described in contain tensio-active agent the aqueous solution converge form drop and be suspended in water in time, carry out UV-irradiation solidify, thereby form optically anisotropic three colored particles;
Wherein, described first fluid, described second fluid are identical with the character of described the 3rd fluid;
In described the first photo polymerization monomer, described the second photopolymer monomer and described the 3rd photo polymerization monomer, all comprise a kind of identical or big or small similar photo polymerization monomer of monomer surface tension, described the first photo polymerization monomer and described the 3rd photo polymerization monomer kind also contain makes it have respectively the photo polymerization monomer of different electric charges.
Wherein, described dyestuff is selected from red, green, blue, Huang, purple and black dyes.
The mass percent of described dyestuff is 5%-30%, is preferably 10%-20%.
Wherein, described photo polymerization monomer is selected from acryl propyl-dimethyl chlorosilane, methacryloyl propyl-dimethyl chlorosilane, pentaerythritol triacrylate, Viscoat 295, tetramethylol methane tetraacrylate, propylene glycol diacrylate, tripropylene glycol diacrylate, hexanediyl ester, neopentylglycol diacrylate, hydroxyethyl methylacrylate, Rocryl 410, vinylformic acid, acrylamide.
The mass percent of described photo polymerization monomer is 40%-90%, is preferably 60%-80%.
Wherein, described light trigger is selected from 1-hydroxy-cyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholine-1-acetone, 2, at least one in 2-diethoxy acetophenone.
The mass percent of described light trigger is 5%-30%, is preferably 10%-20%.
Wherein, described tensio-active agent is selected from least one in sodium lauryl sulphate, sodium laurylsulfonate, cetyl trimethylammonium bromide.
The mass percent of described tensio-active agent is 1%-10%, preferably 1%-5%.
Wherein, the flow of the fluid in described three fluid passage is 0.1ml/hr-1ml/hr.
Wherein, the flow of the fluid in described two outer fluid passages is 1ml/hr-5ml/hr.
Another object of the present invention is to provide a kind of Electronic Paper.
Electronic Paper provided by the present invention, comprises above-mentioned three colored particles for the colored demonstration of Electronic Paper.
Of the present invention is optically anisotropic three colored particles for colored three colored particles that show of Electronic Paper, and have size distribution evenly, the obvious advantage of color subregion.The colorize demonstration that can realize Electronic Paper for colored three colored particles that show of Electronic Paper of the present invention.
The present invention is based on micro-fluidic technologies for the preparation of colored three colored particles that show of Electronic Paper, the simple and convenient easy mass production of the method.
Brief description of the drawings
Fig. 1 is the preparation method's of three colored particles of the present invention schema;
Fig. 2 represents the schematic diagram of microfluidic device;
Fig. 3 represents that three fluid passage M1, M2 and M3 merge together the schematic diagram of the porthole of formation.
Embodiment
The invention provides three colored particles that a kind of Gyrion of can be applicable to Electronic Paper colorize shows.
Three colored particles that are applied to the demonstration of Gyrion Electronic Paper colorize provided by the invention, that in wherein said three kinds of photo polymerization monomers, at least two kinds of photo polymerization monomers are with different electric charges by three kinds of dyestuffs and three kinds of photo polymerization monomer optically anisotropic three colored particles that photopolymerization forms under light trigger exists.
Different dyestuffs is given particle with distinct colors, and different photo polymerization monomers is given the different current potential of particle and be convenient to position and the orientation of the final particle of diplomatic electric field controls.
Three colored particles that show for Gyrion Electronic Paper colorize of the present invention have size distribution evenly, the obvious advantage of color subregion.
The invention provides a kind of preparation method of three colored particles of the Gyrion of being applied to Electronic Paper colorize demonstration.
Method of the present invention is the fluid that has same or similar character based on three kinds, utilizes microfluid method to make the particle with three kinds of different colours.Fluid is generally divided into laminar flow and two kinds of flow states of wadding stream in pipeline, and the size of general pipeline is less, the fluid mobile laminar flow regime that just more approaches therein.The fluid of three kinds of same or similar character in the present invention mixes mutually with the state of laminar flow respectively, then under the effect of tensio-active agent, form spherical drop, because ultraviolet lamp is just arranged on the outlet of passage, photopolymerization reaction is just fixed particle morphology within the extremely short time, and therefore color subregion is obvious.
Method of the present invention can realize by microfluidic device as shown in Figure 2.Microfluidic device shown in Fig. 2 comprises five microfluidic channel and ultraviolet lamp, five microfluidic channel are respectively three fluid passage M1, M2 and M3 and two outer fluid passage W1 and W2, three fluid passage M1, M2 and M3 are positioned in the middle of two outer fluid passage W1 and W2, it is circular porthole that three fluid passage M1, M2 and M3 are combined into a cross section at exit end, two outer fluid passage W1 and W are connected with circular porthole, as shown in Figure 3.Three fluid passage M1, M2 and M3 are applicable to the fluid that contains different dyes and photo polymerization monomer, and two outer fluid passage W1 and W2 are applicable to the aqueous solution that contains tensio-active agent.Because the fluid that contains different dyes and photo polymerization monomer and water are immiscible, make three kinds of fluids that contain different dyes and photo polymerization monomer in water, form drop.Wherein, ultraviolet lamp is arranged at the porthole place of described circle; The diameter of circular porthole is 2-100um.
Particularly, the preparation method of three colored particles that are applied to the demonstration of Gyrion Electronic Paper colorize of the present invention, as shown in Figure 1, comprises the steps:
The first fluid that preparation contains the first dyestuff, the first photo polymerization monomer and light trigger;
The second fluid that preparation contains the second dyestuff, the second photo polymerization monomer and light trigger;
The 3rd fluid that preparation contains the third dyestuff, the 3rd photo polymerization monomer and light trigger;
The aqueous solution that preparation contains tensio-active agent;
By described first fluid, described second fluid, described the 3rd fluid and described in contain tensio-active agent the aqueous solution inject respectively microfluidic device,
Wherein, described microfluidic device comprises five microfluidic channel and ultraviolet lamp, described five microfluidic channel are respectively three fluid passage and two outer fluid passages, three fluid passage are positioned in the middle of two outer fluid passages, it is circular porthole that three fluid passage are combined into a cross section at exit end, and described two outer fluid passages are connected with the porthole of described circle; Described ultraviolet lamp is arranged at the porthole place of described circle,
Described first fluid, described second fluid and described the 3rd fluid inject respectively three fluid passage of described microfluidic device, described in contain tensio-active agent the aqueous solution inject two outer fluid passages of described microfluidic device;
When three kinds of fluids porthole place with described in contain tensio-active agent the aqueous solution converge form drop and be suspended in water in time, carry out UV-irradiation solidify, thereby form optically anisotropic three colored particles;
Wherein, described first fluid, described second fluid are identical with the character of described the 3rd fluid;
In described the first photo polymerization monomer, described the second photopolymer monomer and described the 3rd photo polymerization monomer, all comprise a kind of identical or big or small similar photo polymerization monomer of monomer surface tension, in described the first photo polymerization monomer and described the 3rd photo polymerization monomer, also contain and make it there is respectively the photo polymerization monomer of different electric charges.
So-called first fluid, second fluid are identical with the character of the 3rd fluid, the dyestuff that the difference that refers to them is only to contain different colours and the photo polymerization monomer of different electric charges.
The optional red, green, blue of dyestuff of the present invention, Huang, purple, black etc. in the dyestuff of three kinds of different colours, preferably three kinds of dyestuffs of red, green, blue.The content of dyestuff can affect the character of fluid too much, can affect very little the colorimetric purity of particle.Therefore, the mass percent of dyestuff can be 5%-30%, is preferably 10%-20%.
Above-mentioned orchil is optional: C.I. solvent red 3,8,23,24,25,26,30,31,32,49,52,109 etc.
Above-mentioned green colouring material is optional: C.I. solvent green 1,3,5,7,28 etc.
Above-mentioned blue dyes is optional: C.I. solvent blue 4,5,6,24,35,63,70,102,104 etc.
Above-mentioned yellow dyes is optional: C.I. solvent yellow 1,5,12,15,16,19,28,62,72,77,93 etc.
Above-mentioned purple dye is optional: C.I. solvent violet 9,13,26,36,59 etc.
Above-mentioned black dyes is optional: C.I. solvent black 3,5,7,27,34 etc.
Photo polymerization monomer of the present invention is optional: acryl propyl-dimethyl chlorosilane, methacryloyl propyl-dimethyl chlorosilane (DMS-R11), pentaerythritol triacrylate (PETA-3), Viscoat 295 (TMPTA), tetramethylol methane tetraacrylate (PETTA), propylene glycol diacrylate (DPGDA), tripropylene glycol diacrylate (TPGDA), hexanediyl ester (HDDA), neopentylglycol diacrylate (NPGDA), hydroxyethyl methylacrylate (HEMA), Rocryl 410 (HPMA), vinylformic acid (AA), acrylamide (AM) etc.The mass percent of photo polymerization monomer can be adjusted according to the mass percent of dyestuff.Few and the dyestuff content of polymerization single polymerization monomer is many can affect fluid properties, and I haven't seen you for ages affects the colorimetric purity of particle for the many and dyestuff of polymerization single polymerization monomer.Therefore, the mass percent of photo polymerization monomer can be 40-90%, is preferably 60%-80%.
The present invention requires described photopolymerization reaction speed, specifically can be 5-500ms, preferably <20ms, wherein light trigger can be selected from: 1-hydroxy-cyclohexyl phenyl ketone (HCPK), 2-hydroxy-2-methyl-1-phenyl-1-acetone (HMPP), 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholine-1-acetone (MMMP), 2, at least one in 2-diethoxy acetophenone (DEAP).The amount of light trigger is adjusted according to the amount of photo polymerization monomer, and the mass percent of light trigger can be 5%-30%, is preferably 10%-20%.
Tensio-active agent of the present invention can be selected from: sodium lauryl sulphate, sodium laurylsulfonate, cetyl trimethylammonium bromide etc. at least one.Under the prerequisite that meets minimum emulsification, the amount of tensio-active agent is relevant with the particle diameter of particle, and the amount of tensio-active agent is large, and the particle diameter of particle is little, and vice versa.The quality percentage composition of tensio-active agent can be 1-10%, preferably 1-5%.
The laminar flow of the flow convection cell of fluid passage and two kinds of flow states of wadding stream have impact.Thereby the state that flow more easily causes more greatly fluid to produce wadding stream easily causes hue distinguishes not obvious.Flow in three fluid passage of the present invention can be 0.1-1ml/hr, is preferably 0.2-0.5ml/hr.
The flow velocity of outer fluid passage is mainly decided by the flow of fluid passage, and the flow velocity of the throughput ratio fluid passage of outer fluid passage wants large conventionally.The optional 1-5ml/hr of flow in two outer fluid passages of the present invention, preferably 2-3ml/hr.
In the preparation method of three colored particles that are applied to the demonstration of Gyrion Electronic Paper colorize of the present invention, can be by the size distribution of concentration adjustment three colored particles of the characteristic of fluid (surface tension and viscosity) and tensio-active agent, integrated application and preparation cost, the particle diameter of three colored particles can be 5-100um, preferably 10-50um.
Further set forth the present invention below in conjunction with embodiment, embodiment below only limits to illustrate the present invention but not for limiting the present invention.
Embodiment 1
1wt% sodium laurylsulfonate (SDS) aqueous solution is injected in outer fluid passage W1 and W2 with the flow of 2ml/hr;
First fluid is by 5wt% light trigger 1-hydroxy-cyclohexyl phenyl ketone (HCPK), 70wt% monomer methacryloyl propyl-dimethyl chlorosilane (DMS-R11), 5wt% monomer vinylformic acid (AA) and 20wt% dyestuff (C.I. solvent red 3) composition, inject fluid passage M1 by its flow with 0.3ml/hr;
Second fluid is by 5wt% light trigger 1-hydroxy-cyclohexyl phenyl ketone (HCPK), 75wt% monomer methacryloyl propyl-dimethyl chlorosilane (DMS-R11) and 20wt% dyestuff (C.I. solvent green 1) composition, injects fluid passage M2 by its flow with 0.3ml/hr;
The 3rd fluid is by 5wt% light trigger 1-hydroxy-cyclohexyl phenyl ketone (HCPK), 70wt% monomer methacryloyl propyl-dimethyl chlorosilane (DMS-R11), 5wt% monomer acrylamide (AM) and 20wt% dyestuff (C.I. solvent blue 4) composition, inject fluid passage M3 by its flow with 0.3ml/hr;
When three kinds of fluids the porthole place of microfluidic device and 1wt% sodium laurylsulfonate (SDS) aqueous solution converge form drop and be suspended in water in time, carry out UV-irradiation and solidify, thereby form optically anisotropic three colored particles.
Embodiment 2
1.2wt% sodium lauryl sulphate (SDS) aqueous solution is injected in outer fluid passage W1 and W2 with the flow of 2.5ml/hr;
First fluid is by 5wt% light trigger 2-hydroxy-2-methyl-1-phenyl-1-acetone (HMPP), 70wt% monomer pentaerythritol triacrylate (PETA-3), 5wt% monomer vinylformic acid (AA) and 20wt% dyestuff (C.I. solvent red 23) composition, inject fluid passage M1 by its flow with 0.4ml/hr;
Second fluid is by 5wt%2-hydroxy-2-methyl-1-phenyl-1-acetone (HMPP), 75wt% monomer pentaerythritol triacrylate (PETA-3) and 20wt% dyestuff (C.I. solvent green 5) composition, injects fluid passage M2 by its flow with 0.4ml/hr;
The 3rd fluid is by 5wt%2-hydroxy-2-methyl-1-phenyl-1-acetone (HMPP), 70% monomer pentaerythritol triacrylate (PETA-3), 5wt% monomer acrylamide (AM) and 20wt% dyestuff (C.I. solvent blue 5) composition, inject fluid passage M3 by its flow with 0.4ml/hr;
When three kinds of fluids the porthole place of microfluidic device and 1.2wt% sodium lauryl sulphate (SDS) aqueous solution converge form drop and be suspended in water in time, carry out UV-irradiation and solidify, thereby form optically anisotropic three colored particles.
Embodiment 3
0.8wt% cetyl trimethylammonium bromide (CTAB) aqueous solution is injected in outer fluid passage W1 and W2 with the flow of 1.5ml/hr;
First fluid is by 5wt% light trigger 1-hydroxy-cyclohexyl phenyl ketone (HCPK), 70wt% monomer hexanediyl ester (HDDA), 5wt% monomer vinylformic acid (AA) and 20wt% dyestuff (C.I. solvent red 8) composition, inject fluid passage M1 by its flow with 0.25ml/hr;
Second fluid is by 5wt% light trigger 1-hydroxy-cyclohexyl phenyl ketone ((HCPK), 75wt% monomer hexanediyl ester (HDDA) and 20wt% dyestuff (C.I. solvent green 3) composition, its flow with 0.25ml/hr is injected to fluid passage M2
The 3rd fluid is by 5wt% light trigger 1-hydroxy-cyclohexyl phenyl ketone (HCPK), 70% monomer hexanediyl ester (HDDA), 5wt% monomer acrylamide (AM) and 20wt% dyestuff (C.I. solvent blue 6) composition, inject fluid passage M3 by its flow with 0.25ml/hr;
When three kinds of fluids the porthole place of microfluidic device and 0.8wt% cetyl trimethylammonium bromide (CTAB) aqueous solution converge form drop and be suspended in water in time, carry out UV-irradiation and solidify, thereby form optically anisotropic three colored particles.
Embodiment 4
1wt% sodium laurylsulfonate (SDS) aqueous solution is injected in outer fluid passage W1 and W2 with the flow of 2ml/hr;
First fluid is by 5wt% light trigger 2; 2-diethoxy acetophenone (DEAP); 70wt% monomer methacryloyl propyl-dimethyl chlorosilane (DMS-R11), 5wt% monomer vinylformic acid (AA) and 20wt% dyestuff (C.I. solvent red 3) composition; its flow with 0.3ml/hr is injected to fluid passage M1
Second fluid is by 5wt% light trigger 2; 2-diethoxy acetophenone (DEAP); 75wt% monomer methacryloyl propyl-dimethyl chlorosilane (DMS-R11) and 20wt% dyestuff (C.I. solvent green 1) composition; its flow with 0.3ml/hr is injected to fluid passage M2
The 3rd fluid is by 5wt% light trigger 2,2-diethoxy acetophenone (DEAP), 70wt% monomer methacryloyl propyl-dimethyl chlorosilane (DMS-R11), 5wt% monomer acrylamide (AM) and 20wt% dyestuff (C.I. solvent yellow 5) composition, inject fluid passage M3 by its flow with 0.3ml/hr;
When three kinds of fluids the porthole place of microfluidic device and 1wt% sodium laurylsulfonate (SDS) aqueous solution converge form drop and be suspended in water in time, carry out UV-irradiation and solidify, thereby form optically anisotropic three colored particles.
It should be noted that, in above-described embodiment, be all with described the first photo polymerization monomer, in described the second photopolymer monomer and described the 3rd photo polymerization monomer, all comprise a kind of identical photo polymerization monomer, in described the first photo polymerization monomer and described the 3rd photo polymerization monomer, also contain that to make its photo polymerization monomer respectively with different electric charges be that example describes, certainly described the first photo polymerization monomer, described the second photopolymer monomer and the similar photo polymerization monomer of surface tension size that can all comprise monomer in described the 3rd photo polymerization monomer, methacryloyl propyl-dimethyl chlorosilane (DMS-R11) is similar to the surface tension size of acryl propyl-dimethyl chlorosilane, can replace, such as the monomer methacryloyl propyl-dimethyl chlorosilane (DMS-R11) of first fluid in embodiment 1 can replace with acryl propyl-dimethyl chlorosilane, monomer in second fluid can be methacryloyl propyl-dimethyl chlorosilane (DMS-R11), monomer methacryloyl propyl-dimethyl chlorosilane (DMS-R11) in the 3rd fluid can replace with acryl propyl-dimethyl chlorosilane.
Claims (12)
1. prepare the microfluidic device of three colored particles for one kind, it is characterized in that, described microfluidic device comprises five microfluidic channel and ultraviolet lamp, described five microfluidic channel are respectively three fluid passage and two outer fluid passages, three fluid passage are positioned in the middle of two outer fluid passages, it is circular porthole that three fluid passage are combined into a cross section at exit end, and described two outer fluid passages are connected with the porthole of described circle; Described ultraviolet lamp is arranged at the porthole place of described circle.
2. microfluidic device according to claim 1, is characterized in that, the diameter of the porthole of described circle is 2-100um.
3. a preparation method for three colored particles, comprises the steps:
The first fluid that preparation contains the first dyestuff, the first photo polymerization monomer and light trigger;
The second fluid that preparation contains the second dyestuff, the second photo polymerization monomer and light trigger;
The 3rd fluid that preparation contains the third dyestuff, the 3rd photo polymerization monomer and light trigger;
The aqueous solution that preparation contains tensio-active agent;
By described first fluid, described second fluid, described the 3rd fluid and described in contain tensio-active agent the aqueous solution inject respectively the microfluidic device described in claim 1 or 2,
Described first fluid, described second fluid and described the 3rd fluid inject respectively three fluid passage of described microfluidic device, described in contain tensio-active agent the aqueous solution inject two outer fluid passages of described microfluidic device;
When three kinds of fluids porthole place with described in contain tensio-active agent the aqueous solution converge form drop and be suspended in water in time, carry out UV-irradiation solidify, thereby form optically anisotropic three colored particles;
Wherein, described first fluid, described second fluid are identical with the character of described the 3rd fluid; Described first fluid, second fluid are identical with the character of the 3rd fluid, the dyestuff that the difference that refers to them is only to contain different colours and the photo polymerization monomer of different electric charges;
In described the first photo polymerization monomer, described the second photopolymer monomer and described the 3rd photo polymerization monomer, all comprise a kind of identical photo polymerization monomer, in described the first photo polymerization monomer and described the 3rd photo polymerization monomer, also contain and make it there is respectively the photo polymerization monomer of different electric charges;
Described dyestuff is selected from red, green, blue, Huang, purple and black dyes;
Described photo polymerization monomer is selected from acryl propyl-dimethyl chlorosilane, methacryloyl propyl-dimethyl chlorosilane, pentaerythritol triacrylate, Viscoat 295, tetramethylol methane tetraacrylate, propylene glycol diacrylate, tripropylene glycol diacrylate, hexanediyl ester, neopentylglycol diacrylate, hydroxyethyl methylacrylate, Rocryl 410, vinylformic acid, acrylamide;
Described light trigger is selected from 1-hydroxy-cyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholine-1-acetone, 2, at least one in 2-diethoxy acetophenone;
Described tensio-active agent is selected from least one in sodium lauryl sulphate, sodium laurylsulfonate, cetyl trimethylammonium bromide;
The mass percent of described photo polymerization monomer is 40%-90%; The mass percent of described dyestuff is 5%-30%; The mass percent of described light trigger is 5%-30%; The mass percent of described tensio-active agent is 1%-10%; The flow of the fluid in described three fluid passage is 0.1ml/hr-1ml/hr.
4. preparation method according to claim 3, is characterized in that, the mass percent of described dyestuff is 10%-20%.
5. preparation method according to claim 4, is characterized in that, the mass percent of described photo polymerization monomer is 60%-80%.
6. preparation method according to claim 5, is characterized in that, the mass percent of described light trigger is 10%-20%.
7. preparation method according to claim 6, is characterized in that, the mass percent of described tensio-active agent is 1%-5%.
8. preparation method according to claim 7, is characterized in that, the flow of the fluid in described two outer fluid passages is 1ml/hr-5ml/hr.
9. three colored particles that prepared by the method described in any one in claim 3-8.
10. three colored particles according to claim 9, is characterized in that, the particle diameter of described three colored particles is 5-100um.
11. three colored particles according to claim 10, is characterized in that, the particle diameter of described three colored particles is 10-50um.
12. 1 kinds of Electronic Paper, is characterized in that, comprise the arbitrary three described colored particles of claim 9-11.
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| CN103788270B (en) * | 2014-01-29 | 2016-04-20 | 京东方科技集团股份有限公司 | A kind of white light quanta point composite particles and preparation method thereof, preparation facilities |
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