CN108424685A - A kind of electric ink and preparation method thereof - Google Patents
A kind of electric ink and preparation method thereof Download PDFInfo
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- CN108424685A CN108424685A CN201810214466.XA CN201810214466A CN108424685A CN 108424685 A CN108424685 A CN 108424685A CN 201810214466 A CN201810214466 A CN 201810214466A CN 108424685 A CN108424685 A CN 108424685A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/52—Electrically conductive inks
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
Abstract
The invention discloses a kind of electric ink and preparation method thereof, this kind of electric ink includes the raw material of following parts by weight：10 20 parts of polyvinyl alcohol, 15 25 parts of ammonium persulfate, 30 40 parts of surfactant, 10 20 parts of polymerizer, 20 30 parts of oil-soluble dyes, 20 30 parts of dichloromethane, 30 40 parts of p methoxy phenol, 20 25 parts of graphite, 30 35 parts of cellulose, 15 25 parts of acrylic acid, 10 20 parts of styrene, 25 45 parts of butyl acrylate.The present invention makes the stability of electric ink improve 23 times compared with ordinary electronic ink by adding surfactant so that is more stablized using display screen work made from the electric ink, longer life expectancy reduces cost 10 20%；Complexing agent plays dispersion, suspension effect, it can prevent the generation of sediment in solution, make sediment fluidization, to make to promote 20 30% without particulate matter, refinement degree in electric ink, the electric ink process velocity is fast, producing efficiency is high, and of low cost, electric ink obtained conducts electricity very well, the operation is stable, response time are short.
Description
Technical field
The present invention relates to electronic ink technologies fields more particularly to a kind of electric ink and preparation method thereof.
Background technology
With the continuous social and economic development, electronic information industry also rapidly emerges, and becomes in people's Working Life
An essential part, at the same time, the competition between electronics industry are also more and more fierce, and the price of electronic product is also more come
Lower, this brings prodigious pressure to many electronic information enterprises, wherein traditional electronic semi-conductor, liquid crystal display
Etc. industries receive especially big impact.At this pressure, the printed electronic skill of low cost manufacturing can be realized at normal temperatures and pressures
Art is come into being, and compared with Conventional printing process, ink used in it is the printable electricity with conductive or characteristic of semiconductor
Sub- material, simple process and low cost are a kind of printing technologies with broad mass market.And one of key of secondary technology is institute
The ink used, therefore, research and development one kind has good conductive property, performance is stable, flexibility is strong and water resistance is strong
The advantages that electric ink have great importance for the development of electronic printing industry.
Through retrieval, Chinese patent Authorization Notice No. is that CN107175055A discloses a kind of electron ink microcapsule and its system
Preparation Method, including pigment and α-olefin sulfonic acid sodium solution are subjected to ball milling, pigment suspension is obtained, is filtered, by filter residue and acrylic acid
Etc. carrying out disperseing to obtain dispersion liquid, after dispersion liquid is mixed with neopelex, carrying out heating with ammonium persulfate reacts, warp
It centrifuges, it is dry, modified pigment is obtained, then by mixing and ball millings such as modified pigment, turpentine oil, obtain electrophoresis disclosing solution, then by carboxylic
Sodium carboxymethylcellulose pyce and peach gum are added to the water heating stirring, and electrophoresis disclosing solution reaction is added dropwise, and tea polyphenols are added and are cured,
Last stratification filters, dry.
Existing electron ink microcapsule and preparation method thereof has the following disadvantages：The preparation method complex procedures,
Process velocity is slow, and cost is higher, and electric ink electric conductivity obtained is general, and stability is poor, and display speed is slow, the response time
It is long.
Invention content
The purpose of the present invention is to provide a kind of electric ink and preparation method thereof, it is fast to have a process velocity, producing efficiency
Height, of low cost, electric ink obtained conducts electricity very well, the operation is stable, and response time short advantage solves production method
Cumbersome, producing efficiency is low, high processing costs, and electric ink electric conductivity obtained is general, and stability is poor, and display speed is slow, rings
Long problem between seasonable.
A kind of electric ink according to the ... of the embodiment of the present invention, this kind of electric ink include the raw material of following parts by weight：Poly- second
10-20 parts of enol, 15-25 parts of ammonium persulfate, 30-40 parts of surfactant, 10-20 parts of polymerizer, oil-soluble dyes 20-30
Part, 20-30 parts of dichloromethane, 30-40 parts of p methoxy phenol, 20-25 parts of graphite, 30-35 parts of cellulose, acrylic acid 15-25
Part, 10-20 parts of styrene, 25-45 parts of butyl acrylate, 10-30 parts of organic solvent, 25-35 parts of dimethyl sulphide.
On the basis of said program, this kind of electric ink further includes the raw material of following parts by weight：15-20 parts of complexing agent.
On the basis of said program, this kind of electric ink further includes the raw material of following parts by weight：20-25 parts of polypropylene.
On the basis of said program, the complexing agent is ammonium hydroxide, fatty amine, hydramine, amide, one kind in aromatic amine or more
Kind mixture.
On the basis of said program, one or more mixing in the surfactant carboxylic acid, sulfonic acid, sulfuric acid, amino
Object.
On the basis of said program, the organic solvent includes the raw material of following parts by weight：10-15 parts of ethyl acetate, first
5-15 parts of acetoacetic ester, 20-25 parts of dimethyl carbonate, 25-30 parts of butyl acetate, 10-20 parts of toluene, 15-25 parts of tetrachloro-ethylene, third
25-30 parts of glycol ether, 30-40 parts of water.
On the basis of said program, the cellulose is hydroxyethyl cellulose, hydroxypropyl methyl cellulose, ethyl cellulose
One or more of mixture.
The polymerizer includes the raw material of following parts by weight：10-15 parts of sodium metasilicate, 5-10 parts of ammonium chloride, sodium carbonate 10-
20 parts.
The oiliness dyestuff is one or more of solvent blue, Oil Yellow, oil red, solvent green mixture.
A kind of preparation method of electric ink, is as follows：
(1) it stocks up：Raw material for standby is taken by above-mentioned parts by weight；
(2) A liquid processed：The polyvinyl alcohol of above-mentioned parts by weight, ammonium persulfate, acrylic acid, styrene, polymerizer are added one
In the water for determining parts by weight, solution A is made in the uniform stirring 1-3h at 55-65 DEG C；
(3) B liquid processed：By the p methoxy phenol of above-mentioned parts by weight, cellulose, polypropylene, butyl acrylate, dimethyl sulphide
It is added in organic solvent, the uniform stirring 2-5h at 70-90 DEG C, dichloromethane is then added and precipitated, filtered, it is molten to obtain B
Liquid；
(4) it mixes：A obtained in step (2), (3), B solution are uniformly mixed and obtain mixed solution, by graphite
It grinds 20-30min and forms graphite powder, graphite powder, surfactant are added into mixed solution, 30- is stirred at 20-30 DEG C
Complexing agent and oil-soluble dyes are added in 50min, are stirred in instrument by the ultrasonic wave that frequency is 50-100kHz and stir 20-
40min obtains homogeneous solution；
(5) it dialyses：Homogeneous solution is packed into the bag filter that molecular cut off is 6000-8000, in deionized water thoroughly
It analyses 24-48h and obtains electric ink.
The present invention has an advantageous effect in that compared with prior art：Make electric ink by adding surfactant
Stability improves 2-3 times compared with ordinary electronic ink so that is more stablized using display screen work made from the electric ink, the longevity
It orders longer, reduces cost 10-20%；Polymerizer can speed up ingredient reaction, and plays dispersion by complexing agent, suspends and make
With can prevent the generation of sediment in solution, make sediment fluidization, to make in electric ink without particulate matter, refinement degree
20-30% is promoted, using the excellent conductive performance of graphite, the electric conductivity of electric ink can be made to improve 2-3 times, pass through ultrasound
Wave stirs instrument agitating solution and is dialysed by bag filter, solution particle diameter is controlled in nanoscale so that the sound of electric ink
Shorten 16-23% between seasonable, the color of electric ink can be changed by oil-soluble dyes；Therefore, electronics produced by the present invention
Ink process velocity is fast, and producing efficiency is high, and of low cost, electric ink obtained conducts electricity very well, the operation is stable, the response time
It is short.
Specific implementation mode
For that can further appreciate that feature, technological means and the concrete function reached of the present invention, below with specific implementation
Mode is described in further detail the present invention.
Embodiment 1
A kind of electric ink is present embodiments provided, this kind of electric ink includes the raw material of following parts by weight：Polyvinyl alcohol
10 parts, 15 parts of ammonium persulfate, 30 parts of surfactant, 10-20 parts of polymerizer, 20-30 parts of oil-soluble dyes, dichloromethane 20
Part, 30 parts of p methoxy phenol, 20 parts of graphite, 30 parts of cellulose, 15 parts of acrylic acid, 10 parts of styrene, 25 parts of butyl acrylate,
10 parts of organic solvent, 25 parts of dimethyl sulphide, 15 parts of complexing agent, 20-25 parts of polypropylene.
Wherein, complexing agent is the mixture of ammonium hydroxide, fatty amine, hydramine, mixing ratio 1:2:1, surfactant carboxylic acid,
The mixture of sulfonic acid, mixing ratio 2:1, organic solvent includes the raw material of following parts by weight：10 parts of ethyl acetate, Ethyl formate
5 parts, 20 parts of dimethyl carbonate, 25 parts of butyl acetate, 10 parts of toluene, 15 parts of tetrachloro-ethylene, 25 parts of propylene-glycol ethyl ether, 30 parts of water,
Cellulose is the mixture of hydroxyethyl cellulose, hydroxypropyl methyl cellulose, mixing ratio 2:1, the polymerizer include with
The raw material of lower parts by weight：10 parts of sodium metasilicate, 5 parts of ammonium chloride, 10 parts of sodium carbonate, the oiliness dyestuff be solvent blue, Oil Yellow,
The mixture of oil red, solvent green, mixing ratio 2:1:3:2.
A kind of preparation method of electric ink, is as follows：
(1) it stocks up：Raw material for standby is taken by above-mentioned parts by weight；
(2) A liquid processed：By the polyvinyl alcohol of above-mentioned parts by weight, ammonium persulfate, acrylic acid, styrene, polypropylene, addition
In the water of constant weight number, solution A is made in the uniform stirring 1h at 55 DEG C；
(3) B liquid processed：By the p methoxy phenol of above-mentioned parts by weight, cellulose, polypropylene, butyl acrylate, dimethyl sulphide
It is added in organic solvent, the uniform stirring 2h at 70 DEG C, dichloromethane is then added and precipitated, filtered, B solution is obtained；
(4) it mixes：A obtained in step (2), (3), B solution are uniformly mixed and obtain mixed solution, by graphite
It grinds 20min and forms graphite powder, graphite powder, surfactant are added into mixed solution, 30min is stirred at 20 DEG C, adds
Enter complexing agent and oil-soluble dyes, is obtained by stirring 20min in stirring instrument in the ultrasonic wave that frequency is 50kHz uniformly molten
Liquid；
(5) it dialyses：Homogeneous solution is packed into the bag filter that molecular cut off is 6000, is dialysed for 24 hours in deionized water
Obtain electric ink.
Embodiment 2
A kind of electric ink is present embodiments provided, this kind of electric ink includes the raw material of following parts by weight：Polyvinyl alcohol
20 parts, 25 parts of ammonium persulfate, 40 parts of surfactant, 10-20 parts of polymerizer, 20-30 parts of oil-soluble dyes, dichloromethane 30
Part, 40 parts of p methoxy phenol, 25 parts of graphite, 35 parts of cellulose, 25 parts of acrylic acid, 20 parts of styrene, 45 parts of butyl acrylate,
30 parts of organic solvent, 35 parts of dimethyl sulphide, 20 parts of complexing agent, 20-25 parts of polypropylene.
Wherein, complexing agent is the mixture of hydramine, amide, aromatic amine, mixing ratio 2:1:1, surfactant carboxylic acid,
The mixture of sulfonic acid, amino, mixing ratio 1:3:2, organic solvent includes the raw material of following parts by weight：15 parts of ethyl acetate,
15 parts of Ethyl formate, 25 parts of dimethyl carbonate, 30 parts of butyl acetate, 20 parts of toluene, 25 parts of tetrachloro-ethylene, propylene-glycol ethyl ether 30
Part, 40 parts of water, cellulose are the mixture of hydroxyethyl cellulose, ethyl cellulose, mixing ratio 2:1, the polymerizer packet
Include the raw material of following parts by weight：15 parts of sodium metasilicate, 10 parts of ammonium chloride, 20 parts of sodium carbonate, the oiliness dyestuff are solvent blue oil
Molten green mixture, mixing ratio 1:1.
A kind of preparation method of electric ink, is as follows：
(1) it stocks up：Raw material for standby is taken by above-mentioned parts by weight；
(2) A liquid processed：By the polyvinyl alcohol of above-mentioned parts by weight, ammonium persulfate, acrylic acid, styrene, polypropylene, addition
In the water of constant weight number, solution A is made in the uniform stirring 3h at 65 DEG C；
(3) B liquid processed：By the p methoxy phenol of above-mentioned parts by weight, cellulose, polypropylene, butyl acrylate, dimethyl sulphide
It is added in organic solvent, the uniform stirring 5h at 90 DEG C, dichloromethane is then added and precipitated, filtered, B solution is obtained；
(4) it mixes：A obtained in step (2), (3), B solution are uniformly mixed and obtain mixed solution, by graphite
It grinds 30min and forms graphite powder, graphite powder, surfactant are added into mixed solution, 50min is stirred at 30 DEG C, adds
Enter complexing agent and oil-soluble dyes, stirring stirring 40min in instrument by the ultrasonic wave that frequency is 100kHz obtains homogeneous solution；
(5) it dialyses：Homogeneous solution is packed into the bag filter that molecular cut off is 8000, dialyse 48h in deionized water
Obtain electric ink.
Embodiment 3
A kind of electric ink is present embodiments provided, this kind of electric ink includes the raw material of following parts by weight：Polyvinyl alcohol
15 parts, 20 parts of ammonium persulfate, 35 parts of surfactant, 10-20 parts of polymerizer, 20-30 parts of oil-soluble dyes, dichloromethane 25
Part, 35 parts of p methoxy phenol, 22 parts of graphite, 32 parts of cellulose, 20 parts of acrylic acid, 15 parts of styrene, 35 parts of butyl acrylate,
20 parts of organic solvent, 30 parts of dimethyl sulphide, 17 parts of complexing agent, 20-25 parts of polypropylene.
Wherein, complexing agent is the mixture of ammonium hydroxide, fatty amine, hydramine, amide, aromatic amine, mixing ratio 1:2:1:3:
1, surfactant carboxylic acid, sulfonic acid, sulfuric acid, amino mixture, mixing ratio 3:1:1:2, organic solvent includes following heavy
Measure the raw material of part：12 parts of ethyl acetate, 10 parts of Ethyl formate, 22 parts of dimethyl carbonate, 27 parts of butyl acetate, 15 parts of toluene, four
20 parts of vinyl chloride, 27 parts of propylene-glycol ethyl ether, 35 parts of water, cellulose are hydroxyethyl cellulose, hydroxypropyl methyl cellulose, ethyl fibre
Tie up the mixture of element, mixing ratio 3:1:2, the polymerizer includes the raw material of following parts by weight：12 parts of sodium metasilicate, chlorination
7 parts of ammonium, 15 parts of sodium carbonate, the oiliness dyestuff are solvent green.
A kind of preparation method of electric ink, is as follows：
(1) it stocks up：Raw material for standby is taken by above-mentioned parts by weight；
(2) A liquid processed：The polyvinyl alcohol of above-mentioned parts by weight, ammonium persulfate, acrylic acid, styrene, polymerizer are added one
In the water for determining parts by weight, solution A is made in the uniform stirring 2h at 60 DEG C；
(3) B liquid processed：By the p methoxy phenol of above-mentioned parts by weight, cellulose, polypropylene, butyl acrylate, dimethyl sulphide
It is added in organic solvent, the uniform stirring 3.5h at 80 DEG C, dichloromethane is then added and precipitated, filtered, B solution is obtained；
(4) it mixes：A obtained in step (2), (3), B solution are uniformly mixed and obtain mixed solution, by graphite
It grinds 25min and forms graphite powder, graphite powder, surfactant are added into mixed solution, 40min is stirred at 25 DEG C, adds
Enter complexing agent and oil-soluble dyes, stirring stirring 30min in instrument by the ultrasonic wave that frequency is 75kHz obtains homogeneous solution；
(5) it dialyses：Homogeneous solution is packed into the bag filter that molecular cut off is 7000, dialyse 36h in deionized water
Obtain electric ink.
Embodiment 4
A kind of electric ink is present embodiments provided, this kind of electric ink includes the raw material of following parts by weight：Polyvinyl alcohol
12 parts, 17 parts of ammonium persulfate, 32 parts of surfactant, 10-20 parts of polymerizer, 20-30 parts of oil-soluble dyes, dichloromethane 22
Part, 32 parts of p methoxy phenol, 21 parts of graphite, 31 parts of cellulose, 17 parts of acrylic acid, 12 parts of styrene, 30 parts of butyl acrylate,
15 parts of organic solvent, 27 parts of dimethyl sulphide, 16 parts of complexing agent, 20-25 parts of polypropylene.
Wherein, complexing agent is fatty amine, and surfactant sulfonic acid, organic solvent includes the raw material of following parts by weight：Acetic acid
11 parts of ethyl ester, 7 parts of Ethyl formate, 21 parts of dimethyl carbonate, 26 parts of butyl acetate, 12 parts of toluene, 17 parts of tetrachloro-ethylene, propylene glycol
26 parts of ether, 32 parts of water, cellulose are the mixture of hydroxypropyl methyl cellulose, ethyl cellulose, mixing ratio 3:1, institute
State the raw material that polymerizer includes following parts by weight：11 parts of sodium metasilicate, 6 parts of ammonium chloride, 12 parts of sodium carbonate, the oiliness dyestuff are
The mixture of Oil Yellow, oil red, solvent green, mixing ratio 2:3:1.
A kind of preparation method of electric ink, is as follows：
(1) it stocks up：Raw material for standby is taken by above-mentioned parts by weight；
(2) A liquid processed：The polyvinyl alcohol of above-mentioned parts by weight, ammonium persulfate, acrylic acid, styrene, polymerizer are added one
In the water for determining parts by weight, solution A is made in the uniform stirring 1.5h at 57 DEG C；
(3) B liquid processed：By the p methoxy phenol of above-mentioned parts by weight, cellulose, polypropylene, butyl acrylate, dimethyl sulphide
It is added in organic solvent, the uniform stirring 2.7h at 75 DEG C, dichloromethane is then added and precipitated, filtered, B solution is obtained；
(4) it mixes：A obtained in step (2), (3), B solution are uniformly mixed and obtain mixed solution, by graphite
It grinds 22min and forms graphite powder, graphite powder, surfactant are added into mixed solution, 35min is stirred at 22 DEG C, adds
Enter complexing agent and oil-soluble dyes, stirring stirring 25min in instrument by the ultrasonic wave that frequency is 62kHz obtains homogeneous solution；
(5) it dialyses：Homogeneous solution is packed into the bag filter that molecular cut off is 6500, dialyse 30h in deionized water
Obtain electric ink.
Embodiment 5
A kind of electric ink is present embodiments provided, this kind of electric ink includes the raw material of following parts by weight：Polyvinyl alcohol
17 parts, 22 parts of ammonium persulfate, 37 parts of surfactant, 10-20 parts of polymerizer, 20-30 parts of oil-soluble dyes, dichloromethane 27
Part, 37 parts of p methoxy phenol, 23 parts of graphite, 33 parts of cellulose, 22 parts of acrylic acid, 17 parts of styrene, 40 parts of butyl acrylate,
25 parts of organic solvent, 32 parts of dimethyl sulphide, 18 parts of complexing agent, 20-25 parts of polypropylene.
Wherein, complexing agent is the mixture of hydramine, amide, aromatic amine, mixing ratio 3:1:2, surfactant carboxylic acid,
The mixture of amino, mixing ratio 1:2, organic solvent includes the raw material of following parts by weight：13 parts of ethyl acetate, Ethyl formate
12 parts, 23 parts of dimethyl carbonate, 28 parts of butyl acetate, 17 parts of toluene, 22 parts of tetrachloro-ethylene, 28 parts of propylene-glycol ethyl ether, 37 parts of water,
Cellulose is hydroxyethyl cellulose, and the polymerizer includes the raw material of following parts by weight：13 parts of sodium metasilicate, 8 parts of ammonium chloride, carbon
17 parts of sour sodium, the oiliness dyestuff are solvent blue.
A kind of preparation method of electric ink, is as follows：
(1) it stocks up：Raw material for standby is taken by above-mentioned parts by weight；
(2) A liquid processed：The polyvinyl alcohol of above-mentioned parts by weight, ammonium persulfate, acrylic acid, styrene, polymerizer are added one
In the water for determining parts by weight, solution A is made in the uniform stirring 2.5h at 62 DEG C；
(3) B liquid processed：By the p methoxy phenol of above-mentioned parts by weight, cellulose, polypropylene, butyl acrylate, dimethyl sulphide
It is added in organic solvent, the uniform stirring 4.2h at 85 DEG C, dichloromethane is then added and precipitated, filtered, B solution is obtained；
(4) it mixes：A obtained in step (2), (3), B solution are uniformly mixed and obtain mixed solution, by graphite
It grinds 27min and forms graphite powder, graphite powder, surfactant are added into mixed solution, 45min is stirred at 27 DEG C, adds
Enter complexing agent and oil-soluble dyes, stirring 35min in instrument is stirred by the ultrasonic wave that frequency is 87kHz and obtains homogeneous solution；
(5) it dialyses：Homogeneous solution is packed into the bag filter that molecular cut off is 7500, dialyse 42h in deionized water
Obtain electric ink.
Reference examples
It regard the present invention as experimental group by electric ink made from above-mentioned five experimental examples, with electric made from commonsense method
Sub- ink as a control group, tests resistivity, response time, the surface tension of electric ink, test result is as follows table institute respectively
Show：
In conclusion electric ink produced by the present invention is compared with ordinary electronic ink, resistivity reduces 15-
22%, the response time shortens 16-23%, and surface tension reduces 30-50%, and therefore, electric ink produced by the present invention is led
Electrical property is more preferable, and the response time is short, is more suitable for making electric ink display screen.
Place is not described in detail by the present invention, is the known technology of those skilled in the art.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of electric ink, it is characterised in that：This kind of electric ink includes the raw material of following parts by weight：Polyvinyl alcohol 10-20
Part, 15-25 parts of ammonium persulfate, 30-40 parts of surfactant, 10-20 parts of polymerizer, 20-30 parts of oil-soluble dyes, dichloromethane
20-30 parts, 30-40 parts of p methoxy phenol, 20-25 parts of graphite, 30-35 parts of cellulose, 15-25 parts of acrylic acid, styrene 10-
20 parts, 25-45 parts of butyl acrylate, 10-30 parts of organic solvent, 25-35 parts of dimethyl sulphide.
2. a kind of electric ink according to claim 1, it is characterised in that：This kind of electric ink further includes following parts by weight
Raw material：15-20 parts of complexing agent.
3. a kind of electric ink according to claim 1, it is characterised in that：This kind of electric ink further includes following parts by weight
Raw material：20-25 parts of polypropylene.
4. a kind of electric ink according to claim 2, it is characterised in that：The complexing agent is ammonium hydroxide, fatty amine, alcohol
One or more mixtures in amine, amide, aromatic amine.
5. a kind of electric ink according to claim 1, it is characterised in that：The surfactant carboxylic acid, sulfonic acid, sulphur
One or more mixtures in acid, amino.
6. a kind of electric ink according to claim 1, it is characterised in that：The organic solvent includes following parts by weight
Raw material：10-15 parts of ethyl acetate, 5-15 parts of Ethyl formate, 20-25 parts of dimethyl carbonate, 25-30 parts of butyl acetate, toluene 10-
20 parts, 15-25 parts of tetrachloro-ethylene, 25-30 parts of propylene-glycol ethyl ether, 30-40 parts of water.
7. a kind of electric ink according to claim 1, it is characterised in that：The cellulose is hydroxyethyl cellulose, hydroxyl
One or more of propyl methocel, ethyl cellulose mixture.
8. a kind of electric ink according to claim 1, it is characterised in that：The polymerizer includes the original of following parts by weight
Material：10-15 parts of sodium metasilicate, 5-10 parts of ammonium chloride, 10-20 parts of sodium carbonate.
9. a kind of electric ink according to claim 1, it is characterised in that：The oiliness dyestuff be solvent blue, Oil Yellow,
One or more of oil red, solvent green mixture.
10. according to a kind of preparation method of electric ink according to any one of claims 1 to 9, include the following steps：
(1) it stocks up：Raw material for standby is taken by above-mentioned parts by weight；
(2) A liquid processed：Certain weight is added in the polyvinyl alcohol of above-mentioned parts by weight, ammonium persulfate, acrylic acid, styrene, polymerizer
In the water for measuring number, solution A is made in the uniform stirring 1-3h at 55-65 DEG C；
(3) B liquid processed：The p methoxy phenol of above-mentioned parts by weight, cellulose, polypropylene, butyl acrylate, dimethyl sulphide are added
In organic solvent, then the uniform stirring 2-5h at 70-90 DEG C is added dichloromethane and is precipitated, filtered, obtains B solution；
(4) it mixes：A obtained in step (2), (3), B solution are uniformly mixed and obtain mixed solution, graphite is ground
20-30min forms graphite powder, and graphite powder, surfactant are added into mixed solution, 30- is stirred at 20-30 DEG C
Complexing agent and oil-soluble dyes are added in 50min, are stirred in instrument by the ultrasonic wave that frequency is 50-100kHz and stir 20-
40min obtains homogeneous solution；
(5) it dialyses：Homogeneous solution is packed into the bag filter that molecular cut off is 6000-8000, dialyse 24- in deionized water
48h obtains electric ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214466.XA CN108424685A (en) | 2018-03-15 | 2018-03-15 | A kind of electric ink and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214466.XA CN108424685A (en) | 2018-03-15 | 2018-03-15 | A kind of electric ink and preparation method thereof |
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| CN108424685A true CN108424685A (en) | 2018-08-21 |
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|---|---|---|---|---|
| CN102757681A (en) * | 2012-06-21 | 2012-10-31 | 京东方科技集团股份有限公司 | Electronic ink and preparation method thereof |
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| CN104962113A (en) * | 2015-06-27 | 2015-10-07 | 铜陵铜基粉体科技有限公司 | Spherical copper powder with radiation protection function and preparation method for spherical copper powder |
| CN105623386A (en) * | 2016-03-22 | 2016-06-01 | 苏州捷德瑞精密机械有限公司 | Photosensitive electronic ink and preparation method thereof |
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2018
- 2018-03-15 CN CN201810214466.XA patent/CN108424685A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013074709A1 (en) * | 2011-11-14 | 2013-05-23 | Vorbeck Materials | Graphene compositions |
| CN102757681A (en) * | 2012-06-21 | 2012-10-31 | 京东方科技集团股份有限公司 | Electronic ink and preparation method thereof |
| CN104962113A (en) * | 2015-06-27 | 2015-10-07 | 铜陵铜基粉体科技有限公司 | Spherical copper powder with radiation protection function and preparation method for spherical copper powder |
| CN105623386A (en) * | 2016-03-22 | 2016-06-01 | 苏州捷德瑞精密机械有限公司 | Photosensitive electronic ink and preparation method thereof |
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| 李路海: "《印刷包装功能材料》", 31 January 2013, 中国轻工业出版社 * |
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Application publication date: 20180821 |