CN106084304A - The formula of organic carrier in a kind of silver slurry - Google Patents

The formula of organic carrier in a kind of silver slurry Download PDF

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Publication number
CN106084304A
CN106084304A CN201610383935.1A CN201610383935A CN106084304A CN 106084304 A CN106084304 A CN 106084304A CN 201610383935 A CN201610383935 A CN 201610383935A CN 106084304 A CN106084304 A CN 106084304A
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China
Prior art keywords
organic carrier
formula
silver slurry
mass fraction
ethyl cellulose
Prior art date
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Pending
Application number
CN201610383935.1A
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Chinese (zh)
Inventor
张秀
韩玉成
张洪英
龚漫莉
杜玉龙
李程峰
吴丹菁
邵震宇
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China Zhenhua Group Yunke Electronics Co Ltd
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China Zhenhua Group Yunke Electronics Co Ltd
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Priority to CN201610383935.1A priority Critical patent/CN106084304A/en
Publication of CN106084304A publication Critical patent/CN106084304A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • 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
    • 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
    • C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
    • 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
    • C09D11/14—Printing inks based on carbohydrates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Molecular Biology (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

The invention discloses the formula of organic carrier in a kind of silver slurry, including solvent, solute and functional additive；Solvent is made up of butyl carbitol, terpineol and Oleum Terebinthinae；Solute is ethyl cellulose N10, N50, N100, and functional additive includes plasticizer, lubricant and levelling agent, and wherein, plasticizer is castor oil hydrogenated and tributyl citrate, and lubricant is Oleum Ricini and lecithin, and levelling agent is three triacetin fat；The viscosity stability that this formula prints out silver slurry is high, and levelability, printing are preferable, and the consistency of thickness of silver layer effectively solves through-flow underproof problem.

Description

The formula of organic carrier in a kind of silver slurry
Technical field
The invention belongs to electric slurry production field, be specifically related to the formula of organic carrier in a kind of silver slurry.
Background technology
Developing rapidly of electronics and information industry, has driven electric slurry and the development of argentum powder industry.Argentum powder and electronics slurry thereof Material series of products are to be most widely used a kind of precious metal material maximum with consumption in electronics industry, are to produce various electronics unit Basic and the key function material of device products.
The composition of silver slurry includes: argentum powder, organic carrier, bonding agent, remaining various oxide；Wherein, organic carrier constituent Including functional additive, solvent, solute etc., functional additive is: thickening agent, thixotropic agent, activating agent；Its chemical composition is to slurry Performance has a great impact；The most different solvents can give the ratio of the rheological property that slurry is different, thickening agent and thixotropic agent Difference can cause different thixotropy；The selection of the most various chemical compositions and proportioning be organic carrier formula key and Technological difficulties；Existing solvent mostly is the butyl carbitol of one-component, and its shortcoming is in dry run, arrives its volatilization point Time, due to one-component, so volatilization is swift and violent, causes film layer to shrink instability, cause film layer out-of-flatness；Existing solute mostly is second Two kinds of trades mark of base cellulose N10, N100, the most corresponding three kinds of different viscosities carriers, but owing to adjusting the needs of viscosity, product is criticized Between secondary, the content of ethyl cellulose N10, N100 is inconsistent, causes slurry in sintering process, and lot stability is poor；Function vector Additive is less, and plasticizer only tributyl citrate, lubricant are mixed oil, and plasticization effect and lubricant effect poor.
Organic carrier is the principal element affecting slurry printing；Current organic carrier is tradition and single the having of composition Machine mixture, with firmly ore deposit, Du Pont, he Li Shi product compared with, various functional additives are less, cause rheological characteristic, printing relatively Difference.
Summary of the invention
Goal of the invention: the problem existed for prior art, the present invention provides the formula of organic carrier in a kind of silver slurry, should The viscosity stability that formula prints out silver slurry is high, and levelability, printing are preferable, and the consistency of thickness of silver layer effectively solves Through-flow underproof problem.
Technical scheme: the formula of organic carrier in a kind of silver slurry, including solvent, solute and functional additive；
Described solvent is multicomponent solvent, is made up of butyl carbitol, terpineol and Oleum Terebinthinae；
Described solute is ethyl cellulose N10, N50, N100 composition；Ethyl cellulose is determined according to organic carrier viscosity Consumption；
Described functional additive includes plasticizer, lubricant and levelling agent, and wherein plasticizer is by castor oil hydrogenated and lemon Lemon acid tributyl forms, and lubricant is made up of Oleum Ricini and lecithin.
Specifically, the quality of described butyl carbitol: the quality of terpineol: terebinthine mass ratio is 6:3:1.
Specifically, in described low viscosity organic carrier, the mass fraction of ethyl cellulose is 5%, and ratio is that N10:N50 is 4:1；In middle viscosity organic carrier, the mass fraction of ethyl cellulose is 10%, ratio be N10:N50 be 1:4.
Specifically, in described high viscosity organic carrier, the mass fraction of ethyl cellulose is 15%, and ratio is N50:N100 For 2:3, select different magnitude systems according to silver medal service condition.
Specifically, the mass fraction in organic carrier of described castor oil hydrogenated is 0.1%～0.5%；Citric acid three Butyl ester mass fraction in organic carrier is 5%～10%.
Specifically, described Oleum Ricini mass fraction in organic carrier is 0.1%～0.5%, lecithin have airborne Mass fraction in body is 0.01%～0.05%.
Specifically, described levelling agent is three triacetin fat
Beneficial effect: compared with prior art, it is an advantage of the current invention that:
1, solvent is made up of in proportion butyl carbitol, terpineol and Oleum Terebinthinae, for multicomponent solvent, at drying course In, blending ingredients solvent is notch cuttype volatilization, the most stable during film layer dry shrinkage；
2, solute is ethyl cellulose N10, N50, N100 appropriate proportioning, various ethyl celluloses during adjusting viscosity The content of element is always under same ratio, and the product of such different batches inconsistent will be reduced by what carrier brought；
3, plasticizer is castor oil hydrogenated and tributyl citrate, and lubricant is Oleum Ricini and lecithin, and increases stream Flat agent three triacetin fat, i.e. can increase the levelability of slurry, make film surface more smooth；The profit of slurry can be increased again Slip, not haircuts net in the printing process of slurry；The plasticity of slurry can also be increased, make the film layer printed out will not cave in change Shape；
4, to print out the viscosity stability of silver slurry high for this formula, and levelability, printing are preferable, the consistency of thickness of silver layer, Effectively solve through-flow underproof problem.
Accompanying drawing explanation
Fig. 1 is the silver-colored Analysis on Thixotropy starched before prior art organic carrier formulation optimization；
Fig. 2 is the silver-colored viscosity stability analysis starched before prior art organic carrier formulation optimization；
Fig. 3 is the silver-colored Analysis on Thixotropy starched after organic carrier formulation optimization of the present invention；
Fig. 4 is the silver-colored viscosity stability analysis starched after organic carrier formulation optimization of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, it is further elucidated with the present invention.
The formula of organic carrier in a kind of silver slurry, including solvent, solute and functional additive；
Solvent is multicomponent solvent, is made up of in proportion butyl carbitol, terpineol and Oleum Terebinthinae；The matter of butyl carbitol Amount: the quality of terpineol: terebinthine mass ratio is 6:3:1
Solute ethyl cellulose N10, N50, N100 appropriate proportioning is according to the different ethyl celluloses of organic carrier viscosity Consumption is different, and in low viscosity organic carrier, the mass fraction of ethyl cellulose is 5%, ratio be N10:N50 be 4:1；Middle viscosity In organic carrier, the mass fraction of ethyl cellulose is 10%, ratio be N10:N50 be 1:4；Ethyl in high viscosity organic carrier The mass fraction of cellulose is 15%, ratio be N50:N100 be 2:3, select different numerical value body according to silver medal service condition System.
Functional additive includes plasticizer, lubricant and levelling agent, and plasticizer is the castor oil hydrogenated of proportioning in proportion And tributyl citrate, the mass fraction in organic carrier of castor oil hydrogenated is 0.1%～0.5%；Tributyl citrate Mass fraction in organic carrier is 5%～10%；Lubricant is the Oleum Ricini and lecithin added in proportion, and Oleum Ricini exists Mass fraction in organic carrier is 0.1%～0.5%, lecithin mass fraction in organic carrier be 0.01%～ 0.05%；Levelling agent is three triacetin fat.
Embodiment 1
(1) first do a small test with beaker, dissolve organic carrier 500g, the process of making of small test: by solute (i.e. second Base cellulose) and functional additive add in mixed solvent (butyl carbitol, terpineol, Oleum Terebinthinae), stir 1-2h, dissolved Entirely, cooling after, test its parameter such as rheological characteristic, printing.
(2) take the working condition the same with small test again, amplify volume of production, dissolve organic carrier 5kg, enter in this way One step demonstrates the parameters such as the rheological characteristic of organic carrier, printing；
As shown in Figure 1-2, the silver-colored Analysis on Thixotropy starched and viscosity stability analysis, thixotropic loop before organic carrier formulation optimization Area is relatively big, and thixotroping curve co-insides degree is relatively low, fully show slurry in printing process, the viscosity of slurry ceaselessly changes, this Sample causes the thickness printing out silver layer ceaselessly to change, and ultimately results in owing to the uneven through-flow qualification rate of silver thickness reduces.
As shown in Figure 3-4, the silver-colored Analysis on Thixotropy starched and viscosity stability analysis, thixotroping after organic carrier formulation optimization Anchor ring is long-pending to be close to zero, and thixotroping curve co-insides degree is higher, fully show slurry in printing process, the viscosity stability pole of slurry Height, so can make to print out the consistency of thickness of silver layer, effectively solve through-flow underproof problem.

Claims (7)

1. the formula of organic carrier in a silver slurry, it is characterised in that: include solvent, solute and functional additive；
Described solvent is multicomponent solvent, is made up of butyl carbitol, terpineol and Oleum Terebinthinae；
Described solute is ethyl cellulose N10, N50, N100 composition；The use of ethyl cellulose is determined according to organic carrier viscosity Amount；
Described functional additive includes plasticizer, lubricant and levelling agent, and wherein plasticizer is by castor oil hydrogenated and citric acid Tributyl forms, and lubricant is made up of Oleum Ricini and lecithin.
The formula of organic carrier in a kind of silver slurry the most according to claim 1, it is characterised in that: described butyl carbitol Quality: the quality of terpineol: terebinthine mass ratio is 6:3:1.
The formula of organic carrier in a kind of silver slurry the most according to claim 1, it is characterised in that: described low viscosity has airborne In body, the mass fraction of ethyl cellulose is 5%, ratio be N10:N50 be 4:1；Ethyl cellulose in middle viscosity organic carrier Mass fraction is 10%, ratio be N10:N50 be 1:4.
The formula of organic carrier in a kind of silver slurry the most according to claim 1, it is characterised in that: described high viscosity has airborne In body, the mass fraction of ethyl cellulose is 15%, ratio be N50:N100 be 2:3, according to silver medal service condition select different Magnitude system.
The formula of organic carrier in a kind of silver slurry the most according to claim 1, it is characterised in that: described castor oil hydrogenated Mass fraction in organic carrier is 0.1%～0.5%；Tributyl citrate mass fraction in organic carrier is 5% ～10%.
The formula of organic carrier in a kind of silver slurry the most according to claim 1, it is characterised in that: described Oleum Ricini is organic Mass fraction in carrier is 0.1%～0.5%, and lecithin mass fraction in organic carrier is 0.01%～0.05%.
The formula of organic carrier in a kind of silver slurry the most according to claim 1, it is characterised in that: described levelling agent is three vinegar Acid glyceride.
CN201610383935.1A 2016-06-02 2016-06-02 The formula of organic carrier in a kind of silver slurry Pending CN106084304A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106631168A (en) * 2016-12-15 2017-05-10 湖南省美程陶瓷科技有限公司 Additive for new energy automobile metallization sealing-in ceramics and preparation method thereof
CN106847373A (en) * 2017-03-30 2017-06-13 中国振华集团云科电子有限公司 A kind of formula of chip resistor conductor silver paste
CN108929580A (en) * 2018-09-08 2018-12-04 佛山皖和新能源科技有限公司 A kind of preparation method of the dedicated high dispersancy nano silver of electrically conductive ink

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KR20150131937A (en) * 2014-05-16 2015-11-25 덕산하이메탈(주) Silver Paste Composition and Solar Cell using the same

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CN103855252A (en) * 2014-02-14 2014-06-11 中国科学院电工研究所 Manufacturing method for heavy doping emitter region and grid line electrode
KR20150131937A (en) * 2014-05-16 2015-11-25 덕산하이메탈(주) Silver Paste Composition and Solar Cell using the same

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106631168A (en) * 2016-12-15 2017-05-10 湖南省美程陶瓷科技有限公司 Additive for new energy automobile metallization sealing-in ceramics and preparation method thereof
CN106847373A (en) * 2017-03-30 2017-06-13 中国振华集团云科电子有限公司 A kind of formula of chip resistor conductor silver paste
CN108929580A (en) * 2018-09-08 2018-12-04 佛山皖和新能源科技有限公司 A kind of preparation method of the dedicated high dispersancy nano silver of electrically conductive ink

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Application publication date: 20161109