CN106554660A - A kind of method that inkjet printing prepares carbon nanotube conductive thin film - Google Patents

A kind of method that inkjet printing prepares carbon nanotube conductive thin film Download PDF

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Publication number
CN106554660A
CN106554660A CN201611118411.6A CN201611118411A CN106554660A CN 106554660 A CN106554660 A CN 106554660A CN 201611118411 A CN201611118411 A CN 201611118411A CN 106554660 A CN106554660 A CN 106554660A
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mentioned
ink
added
thin film
stirred
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廖永红
杨铭
宋瑞
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Guangdong Industry Technical College
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Guangdong Industry Technical College
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/52Electrically conductive inks
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/30Inkjet printing inks
    • C09D11/32Inkjet printing inks characterised by colouring agents
    • C09D11/324Inkjet printing inks characterised by colouring agents containing carbon black
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/30Inkjet printing inks
    • C09D11/38Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables

Abstract

The invention discloses a kind of method that inkjet printing prepares carbon nanotube conductive thin film, CNT can uniformly be disperseed in finished product ink after modification by the present invention, effectively reduce reunion, CNT has good electric conductivity simultaneously, can be very good to improve ink jet ink electrical conductivity of water, improve the electric conductivity of finished films, the ink-jet ink good stability of the present invention, adopt the alcoholic solution of naphthenic soap effectively improve the viscosity and mobility of ink for viscosity-controlling agent, improve the stability on thin film after ink-jet.

Description

A kind of method that inkjet printing prepares carbon nanotube conductive thin film
Technical field
The invention mainly relates to inkjet printing field, more particularly to a kind of inkjet printing prepares carbon nanotube conductive thin film Method.
Background technology
The methods such as the method for making at present thin film includes sputtering, is deposited with, silk-screen, spin coating, blade coating, coating and inkjet printing, High cost is wherein sputtered and is deposited with, silk-screen thickness and precision are bad controllable, and spin coating is unsuitable for large-scale production, coating and ink-jet Printing is applicable in low cost, continuous, large-area scale industrial production.Compared with coating, the thickness of inkjet printing and Position control is accurate, with micrometer resolution, is capable of achieving digital images outputting, can be flexible to the course of processing by computer High-precision control;
On CNT, the P of carbon atom electronically forms large-scale delocalized pi-bond, and due to conjugation significantly, CNT has Some special electrical properties, CNT have good electric conductivity, due to the lamella of the structure and graphite of CNT Structure is identical, so having good electric property.Its electric conductivity of theoretical prediction is depending on its caliber and the helical angle of tube wall. When the caliber of CNT is more than 6nm, electric conductivity declines;When caliber is less than 6nm, CNT can be seen as to be had The One-dimensional Quantum wire of excellent conductive performance.It was reported that by calculating, Huang thinks that the CNT of a diameter of 0.7nm has Superconductivity, although its superconducting transition temperature only has 1.5 × 10-4K, imply that CNT is front in the application of superconductivity Scape.
The content of the invention
The object of the invention is exactly for the defect for making up prior art, there is provided a kind of inkjet printing prepares carbon nanotube conducting The method of thin film.
The present invention is achieved by the following technical solutions:
A kind of method that inkjet printing prepares carbon nanotube conductive thin film, comprises the following steps:
(1)The preparation of ink-jet ink:Described ink-jet ink is made up of the raw material of following weight parts:
CNT 57-60, naphthenic soap 1-2, the tert-butyl group are to biphenol 0.4-1, N-Methyl pyrrolidone 36-40, dialkyl group Zinc dithiophosphate 1-2, zirconium carbonate ammonium 3-5, oleamide 1-2, abienol 3-4, stannous sulfide 0.1-0.3, water and Firebrake ZB 2-3, calcium ricinoleate 0.5-1, polyurethanes 2-3, alkenyl succinic anhydride 0.8-1, tetrakis hydroxymetyl phosphonium sulfuric 1-2, hexadecane Base trimethyl ammonium chloride 0.8-1, Sodium fluoroborate 1-2, sodium laurylsulfate 0.5-1, appropriate dehydrated alcohol;
The preparation method of described ink-jet ink is comprised the following steps:
A, above-mentioned CNT is added to mass ratio for 3-4:In 1 sulphuric acid, the mixed solution of nitric acid, described sulfuric acid concentration For 95-97%, described concentration of nitric acid is 96-98%, is sent in reactor, and the ultrasound 3-5 hours at 100-120 DEG C are filtered, will Precipitation washing 3-4 time, is vacuum dried 1-2 hours at 100-110 DEG C, obtains acidifying CNT;
B, above-mentioned zirconium carbonate ammonium, water and Firebrake ZB are mixed, be added to compound weight 20-30 times, concentration be 10-20% In hydrochloric acid solution, it is 65-70 DEG C to rise high-temperature, adds above-mentioned sodium laurylsulfate, insulated and stirred 10-20 minute, adds above-mentioned Acidifying CNT, continues insulated and stirred 30-40 minute, filters, and by precipitation washing 2-3 time, normal temperature drying, must be combined acidifying carbon Nanotube;
C, by above-mentioned zinc dialkyl dithiophosphate, the tert-butyl group to biphenol mix, be added in above-mentioned N-Methyl pyrrolidone, It is 76-80 DEG C to rise high-temperature, insulated and stirred 10-20 minute, adds above-mentioned calcium ricinoleate, stirs to room temperature, obtain alkanone dispersion liquid;
D, above-mentioned naphthenic soap is added in the dehydrated alcohol of its weight 4-6 times, the insulated and stirred 4-7 minute at 80-90 DEG C, Above-mentioned abienol is added, is stirred to room temperature, is obtained viscosity-controlling agent;
E, by above-mentioned Sodium fluoroborate, Compound-acid carbon nano tube, hexadecyltrimethylammonium chloride mixing, be added to compound weight In the ethanol solution of the 70-75% of 1-2 times of amount, it is 50-60 DEG C to rise high-temperature, adds the above-mentioned tert-butyl group to biphenol, insulated and stirred 3-5 minutes, above-mentioned oleamide is added, ultrasonic agitation 2-3 minute, is filtered, by precipitation washing 3-4 time, in 50-60 DEG C of baking oven In be dried 1-2 hours, discharge, cooling, obtain modified carbon nano-tube;
F, by above-mentioned modified carbon nano-tube, tetrakis hydroxymetyl phosphonium sulfuric mix, be added to the dehydrated alcohol of compound weight 1-1.7 times In, stir, it is 70-76 DEG C to rise high-temperature, adds above-mentioned polyurethanes, insulated and stirred 10-20 minute, adds above-mentioned Alkanone dispersion liquid, mixed grinding 20-30 minutes, sends in ball grinder, adds viscosity-controlling agent and its remaining each raw material, add agate Seal after Nao balls, 1000-1200 rev/min of ball milling 24-26 hour obtains final product the ink-jet ink;
(2)Above-mentioned ink is injected in print cartridge, is deposited to by predetermined pattern using typical inkjet printing technique and is anticipated Substrate on;
(3)The above-mentioned thin film deposited on substrate is placed in after being dried in baking oven, after heat treatment forms carbon nanotube conducting thin Film.
A kind of method that inkjet printing prepares carbon nanotube conductive thin film, described heat treatment temperature are 200-270 DEG C, when Between be 20-40 minutes.
It is an advantage of the invention that:
CNT can uniformly be disperseed in finished product ink after modification by the present invention, the group of effectively reducing It is poly-, while CNT has good electric conductivity, can be very good to improve ink jet ink electrical conductivity of water, improve finished films Electric conductivity, the ink-jet ink good stability of the present invention adopts the alcoholic solution of naphthenic soap can be effective for viscosity-controlling agent The viscosity and mobility that improve ink, improve stability on thin film after ink-jet.
Specific embodiment
A kind of method that inkjet printing prepares carbon nanotube conductive thin film, comprises the following steps:
(1)The preparation of ink-jet ink:Described ink-jet ink is made up of the raw material of following weight parts:
CNT 60, the naphthenic soap 1, tert-butyl group are to biphenol 0.4, N-Methyl pyrrolidone 40, dialkyl dithiophosphoric acid Zinc 2, zirconium carbonate ammonium 5, oleamide 2, abienol 3, stannous sulfide 0.3, water and Firebrake ZB 2, calcium ricinoleate 0.5, poly- amino first Acid esters 3, alkenyl succinic anhydride 0.8, tetrakis hydroxymetyl phosphonium sulfuric 1, hexadecyltrimethylammonium chloride 0.8, Sodium fluoroborate 1, Laurel Alcohol sodium sulfate 0.5, appropriate dehydrated alcohol;
The preparation method of described ink-jet ink is comprised the following steps:
A, above-mentioned CNT is added to mass ratio for 4:In 1 sulphuric acid, the mixed solution of nitric acid, described sulfuric acid concentration is 97%, described concentration of nitric acid is 98%, is sent in reactor, and ultrasound 3 hours at 120 DEG C are filtered, and will precipitate washing 4 times, It is vacuum dried 2 hours at 110 DEG C, obtains acidifying CNT;
B, above-mentioned zirconium carbonate ammonium, water and Firebrake ZB are mixed, hydrochloric acid that be added to 20 times of compound weight, that concentration is 20% is molten In liquid, it is 65-70 DEG C to rise high-temperature, adds above-mentioned sodium laurylsulfate, insulated and stirred 10 minutes to add above-mentioned acidifying carbon nanometer Pipe, continues insulated and stirred 40 minutes, filters, and by precipitation washing 2 times, normal temperature drying obtains Compound-acid carbon nano tube;
C, by above-mentioned zinc dialkyl dithiophosphate, the tert-butyl group to biphenol mix, be added in above-mentioned N-Methyl pyrrolidone, It is 80 DEG C to rise high-temperature, and insulated and stirred 10 minutes adds above-mentioned calcium ricinoleate, stirs to room temperature, obtain alkanone dispersion liquid;
D, above-mentioned naphthenic soap is added in the dehydrated alcohol of 4 times of its weight, insulated and stirred 4 minutes at 90 DEG C, in addition Abienol is stated, is stirred to room temperature, is obtained viscosity-controlling agent;
E, by above-mentioned Sodium fluoroborate, Compound-acid carbon nano tube, hexadecyltrimethylammonium chloride mixing, be added to compound weight In the ethanol solution of the 75% of 1-2 times of amount, it is 50 DEG C to rise high-temperature, the above-mentioned tert-butyl group of addition to biphenol, insulated and stirred 3 minutes, Add above-mentioned oleamide, ultrasonic agitation 3 minutes to filter, by precipitation washing 3 times, 1-2 hours be dried in 60 DEG C of baking oven, Discharging, cooling, obtains modified carbon nano-tube;
F, by above-mentioned modified carbon nano-tube, tetrakis hydroxymetyl phosphonium sulfuric mix, be added to the dehydrated alcohol of 1.7 times of compound weight In, stir, it is 76 DEG C to rise high-temperature, adds above-mentioned polyurethanes, insulated and stirred 10 minutes to add above-mentioned alkanone point Dispersion liquid, mixed grinding 30 minutes are sent in ball grinder, add viscosity-controlling agent and its remaining each raw material, close after addition agate ball Envelope, 1200 revs/min of ball millings 24 hours, obtains final product the ink-jet ink;
(2)Above-mentioned ink is injected in print cartridge, is deposited to by predetermined pattern using typical inkjet printing technique and is anticipated Substrate on;
(3)The above-mentioned thin film deposited on substrate is placed in after being dried in baking oven, after heat treatment forms carbon nanotube conducting thin Film.
A kind of method that inkjet printing prepares carbon nanotube conductive thin film, described heat treatment temperature are 270 DEG C, and the time is 40 minutes.

Claims (2)

1. a kind of method that inkjet printing prepares carbon nanotube conductive thin film, it is characterised in that comprise the following steps:
(1)The preparation of ink-jet ink:Described ink-jet ink is made up of the raw material of following weight parts:
CNT 57-60, naphthenic soap 1-2, the tert-butyl group are to biphenol 0.4-1, N-Methyl pyrrolidone 36-40, dialkyl group Zinc dithiophosphate 1-2, zirconium carbonate ammonium 3-5, oleamide 1-2, abienol 3-4, stannous sulfide 0.1-0.3, water and Firebrake ZB 2-3, calcium ricinoleate 0.5-1, polyurethanes 2-3, alkenyl succinic anhydride 0.8-1, tetrakis hydroxymetyl phosphonium sulfuric 1-2, hexadecane Base trimethyl ammonium chloride 0.8-1, ammonium fluoroborate 1-2, sodium laurylsulfate 0.5-1, appropriate dehydrated alcohol;
The preparation method of described ink-jet ink is comprised the following steps:
A, above-mentioned CNT is added to mass ratio for 3-4:In 1 sulphuric acid, the mixed solution of nitric acid, described sulfuric acid concentration For 95-97%, described concentration of nitric acid is 96-98%, is sent in reactor, and the ultrasound 3-5 hours at 100-120 DEG C are filtered, will Precipitation washing 3-4 time, is vacuum dried 1-2 hours at 100-110 DEG C, obtains acidifying CNT;
B, above-mentioned zirconium carbonate ammonium, water and Firebrake ZB are mixed, be added to compound weight 20-30 times, concentration be 10-20% In hydrochloric acid solution, it is 65-70 DEG C to rise high-temperature, adds above-mentioned sodium laurylsulfate, insulated and stirred 10-20 minute, adds above-mentioned Acidifying CNT, continues insulated and stirred 30-40 minute, filters, and by precipitation washing 2-3 time, normal temperature drying, must be combined acidifying carbon Nanotube;
C, by above-mentioned zinc dialkyl dithiophosphate, the tert-butyl group to biphenol mix, be added in above-mentioned N-Methyl pyrrolidone, It is 76-80 DEG C to rise high-temperature, insulated and stirred 10-20 minute, adds above-mentioned calcium ricinoleate, stirs to room temperature, obtain alkanone dispersion liquid;
D, above-mentioned naphthenic soap is added in the dehydrated alcohol of its weight 4-6 times, the insulated and stirred 4-7 minute at 80-90 DEG C, Above-mentioned abienol is added, is stirred to room temperature, is obtained viscosity-controlling agent;
E, by above-mentioned tetrakis hydroxymetyl phosphonium sulfuric, Compound-acid carbon nano tube, hexadecyltrimethylammonium chloride mixing, be added to mixed In the ethanol solution of the 70-75% for closing material weight 1-2 times, it is 50-60 DEG C to rise high-temperature, adds the above-mentioned tert-butyl group to biphenol, protects Temperature stirring 3-5 minutes, above-mentioned oleamide is added, ultrasonic agitation 2-3 minute, is filtered, by precipitation washing 3-4 time, at 50-60 DEG C Baking oven in be dried 1-2 hours, discharge, cooling, obtain modified carbon nano-tube;
F, by above-mentioned modified carbon nano-tube, ammonium fluoroborate mix, be added in the dehydrated alcohol of compound weight 1-1.7 times, stir Mix uniform, it is 70-76 DEG C to rise high-temperature, add above-mentioned polyurethanes, insulated and stirred 10-20 minute, add above-mentioned alkanone Dispersion liquid, mixed grinding 20-30 minutes, sends in ball grinder, adds viscosity-controlling agent and its remaining each raw material, add agate ball After seal, 1000-1200 rev/min of ball milling 24-26 hour obtains final product the ink-jet ink;
(2)Above-mentioned ink is injected in print cartridge, is deposited to by predetermined pattern using typical inkjet printing technique and is anticipated Substrate on;
(3)The above-mentioned thin film deposited on substrate is placed in after being dried in baking oven, after heat treatment forms carbon nanotube conducting thin Film.
2. the method that a kind of inkjet printing according to claim 1 prepares carbon nanotube conductive thin film, it is characterised in that:Institute The heat treatment temperature stated is 200-270 DEG C, and the time is 20-40 minutes.
CN201611118411.6A 2016-12-08 2016-12-08 A kind of method that inkjet printing prepares carbon nanotube conductive thin film Pending CN106554660A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108610744A (en) * 2018-04-27 2018-10-02 佛山市智巢电子科技有限公司 A kind of preparation method of spray printing polyester electric conduction film
CN109065211A (en) * 2018-05-30 2018-12-21 查公祥 A kind of poly closes composite conducting additive and preparation method thereof
CN114496354A (en) * 2022-01-21 2022-05-13 深圳市飞墨科技有限公司 Preparation method and application of transparent conductive film
CN114496354B (en) * 2022-01-21 2024-04-30 深圳市飞墨科技有限公司 Preparation method and application of transparent conductive film

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CN101754584A (en) * 2008-12-12 2010-06-23 清华大学 Method for preparing conducting lines
CN103189311A (en) * 2010-10-29 2013-07-03 东丽株式会社 Method for manufacturing liquid dispersion of carbon-nanotube aggregates

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101754584A (en) * 2008-12-12 2010-06-23 清华大学 Method for preparing conducting lines
CN103189311A (en) * 2010-10-29 2013-07-03 东丽株式会社 Method for manufacturing liquid dispersion of carbon-nanotube aggregates

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108610744A (en) * 2018-04-27 2018-10-02 佛山市智巢电子科技有限公司 A kind of preparation method of spray printing polyester electric conduction film
WO2019205190A1 (en) * 2018-04-27 2019-10-31 佛山市智巢电子科技有限公司 Method for preparing jet-printed polyester conductive thin film
CN109065211A (en) * 2018-05-30 2018-12-21 查公祥 A kind of poly closes composite conducting additive and preparation method thereof
CN114496354A (en) * 2022-01-21 2022-05-13 深圳市飞墨科技有限公司 Preparation method and application of transparent conductive film
CN114496354B (en) * 2022-01-21 2024-04-30 深圳市飞墨科技有限公司 Preparation method and application of transparent conductive film

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