CN106928605A - A kind of organic carrier for solar cell positive silver paste and preparation method thereof - Google Patents
A kind of organic carrier for solar cell positive silver paste and preparation method thereof Download PDFInfo
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- CN106928605A CN106928605A CN201710088796.4A CN201710088796A CN106928605A CN 106928605 A CN106928605 A CN 106928605A CN 201710088796 A CN201710088796 A CN 201710088796A CN 106928605 A CN106928605 A CN 106928605A
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- organic carrier
- silver paste
- solar cell
- cell positive
- resin
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 45
- 239000004332 silver Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 53
- 229920005989 resin Polymers 0.000 claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 36
- 239000002904 solvent Substances 0.000 claims abstract description 32
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 40
- 239000004094 surface-active agent Substances 0.000 claims description 25
- 238000002156 mixing Methods 0.000 claims description 17
- 239000002562 thickening agent Substances 0.000 claims description 17
- 238000000227 grinding Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 16
- 230000004048 modification Effects 0.000 claims description 10
- 238000012986 modification Methods 0.000 claims description 10
- -1 carboxyethyl Chemical class 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 125000005210 alkyl ammonium group Chemical group 0.000 claims description 7
- 125000002091 cationic group Chemical group 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 6
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 5
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical class CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 3
- 239000001293 FEMA 3089 Substances 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229960003237 betaine Drugs 0.000 claims description 3
- 229940084030 carboxymethylcellulose calcium Drugs 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 239000002736 nonionic surfactant Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920001747 Cellulose diacetate Polymers 0.000 claims description 2
- 229940051250 hexylene glycol Drugs 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000003801 milling Methods 0.000 description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 229920003064 carboxyethyl cellulose Polymers 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 235000021419 vinegar Nutrition 0.000 description 2
- 239000000052 vinegar Substances 0.000 description 2
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 description 1
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 description 1
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
-
- 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
- C08L1/10—Esters of organic acids, i.e. acylates
- C08L1/12—Cellulose acetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The present invention relates to technical field of solar batteries, and in particular to a kind of organic carrier for solar cell positive silver paste and preparation method thereof；The organic carrier is the mixture of resin, solvent and auxiliary agent, and the mass ratio of the resin, solvent and auxiliary agent is 12：3‑4：0.01‑0.05；The organic carrier reasonable component formula that the present invention is provided, helps to improve the rheological property of slurry system；It can be mixed with certain proportion after being dispersed in silver paste, the linear moulding ability of grid line can be significantly improved, and then the depth-width ratio of electrode and grid line after silk-screen quality of the silver paste on silicon chip and sintering is improve, reduce shared light-receiving area, so as to lift the efficiency of solar cell.
Description
Technical field
The present invention relates to technical field of solar batteries, and in particular to a kind of for the organic of solar cell positive silver paste
Carrier and preparation method thereof.
Background technology
Organic carrier is the important component of silver paste, is the second largest composition in silver paste, for solar battery front side
The silver paste of grid line usually contains the organic carrier of 10-20 wt%.It is that a kind of auxiliary agent by each tool function is dissolved in organic solvent
In organic polymer solution.It has been the fortune of the glass dust (or oxide) of the metal-powder and a cementation of electric action
Carrier, plays the viscosity of regulation charging, controls the effect of the rheological characteristic of slurry.The various powder mixtures of solid-state are made to be dispersed into tool
There is the slurry of fluid behaviour, in order to be printed onto on matrix at a high speed, accurately by screen process press, the line required for being formed
Bar.Organic carrier is typically mainly made up of organic solvent and thickener, in addition, in order to improve its levelability, often adding appropriate
Surfactant, levelling agent；In order to improve the thixotropy of beam material, thixotropic agent or gelling agent are also added；In order to subtract as far as possible
The stomata that few slurry is produced after printing-sintering, improves electric conductivity, also usually adds defoamer.Therefore solvent and various auxiliary agents
Selection and proportioning just seem increasingly important.In the prior art, the composition of organic carrier is required further improvement, and is existed with improving silver paste
Silk-screen quality on silicon chip, and then lift the efficiency of solar cell.
The content of the invention
The technical problem to be solved in the invention is a kind of efficiency that can lift solar cell of offer for too
The organic carrier of positive energy battery positive silver paste, additionally, present invention also offers its preparation method.
A kind of organic carrier for solar cell positive silver paste, the organic carrier is resin, solvent and auxiliary agent
Mixture, the mass ratio of the resin, solvent and auxiliary agent is 1-2：3-4：0.01-0.05.
Further, the described organic carrier for solar cell positive silver paste, the organic carrier is resin, molten
Agent and the mixture of auxiliary agent, the mass ratio of the resin, solvent and auxiliary agent is 1-1.6：3.2-3.4：0.01-0.03.
Further, the described organic carrier for solar cell positive silver paste, the resin is selected from epoxy resin
One of which in modified cellulose diacetate, polyester modification acrylic resin, polyvinyl butyral resin.
Further, the described organic carrier for solar cell positive silver paste, the solvent is selected from nylon acid two
Methyl esters, polyamide modified rilanit special, atoleine, at least one in hexylene glycol, carbitol, turpentine oil.
Further, the described organic carrier for solar cell positive silver paste, the auxiliary agent is thickener and table
Face activating agent.
Further, the described organic carrier for solar cell positive silver paste, the thickener is Abietyl modified
Its in methylcellulose, Abietyl modified ethyl cellulose, Abietyl modified carboxymethylcellulose calcium, Abietyl modified carboxyethyl cellulose
Middle one kind.
Further, the described organic carrier for solar cell positive silver paste, the surfactant is alkyl
Ammonium salt type cationic surface active agent, betaine type amphoteric ionic surface active agent, C8-C10 fatty acid glycerine ester type it is non-from
One of which in sub- surfactant.
Further, the described organic carrier for solar cell positive silver paste, the surfactant is alkyl
Ammonium salt type cationic surface active agent.
A kind of preparation method of the described organic carrier for solar cell positive silver paste, comprises the following steps：
（1）Each raw material is measured respectively by proportioning；
（2）According to first solubilizer, again plus resin, the order of last adding assistant successively will raw material put into dispersed with stirring device in carry out
Preliminary mixing, the slurry that formation can continuously be flowed；
（3）While being kept stirring for dispersal device and continuously running, above-mentioned slurry is delivered to by grinding distribution by the circulatory system
Fine gtinding is carried out to slurry in device；
（4）Flowed back to again in dispersed with stirring device after slurry is finer ground and continue dispersed with stirring；
（5）Slurry is circulated between dispersed with stirring device and apparatus for grinding and dispersing, until particle diameter distribution≤3 micron of slurry.
Further, the preparation method of the described organic carrier for solar cell positive silver paste, the step（2）
In mixing speed be 2500-3000r/min；Jitter time is 30min；The step（3）In milling time be 10-
20min。
The beneficial effect of protrusion that the present invention has compared with prior art is：
The organic carrier reasonable component formula that the present invention is provided, helps to improve the rheological property of slurry system.By it with certain
After ratio mixing is dispersed in silver paste, the linear moulding ability of grid line can be significantly improved, and then improve silver paste on silicon chip
The depth-width ratio of electrode and grid line after silk-screen quality and sintering, reduces shared light-receiving area, so as to lift the efficiency of solar cell.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1：
A kind of organic carrier for solar cell positive silver paste, the organic carrier is resin：Polyester modification acrylic acid tree
Fat, solvent：Polyamide modified rilanit special and auxiliary agent：Thickener：Abietyl modified methylcellulose, surfactant：Alkyl
Ammonium salt type cationic surface active agent, wherein, thickener and surfactant are with arbitrary proportion interworking, the resin, solvent
It is 2 with the mass ratio of auxiliary agent：3：0.05.
A kind of preparation method of the described organic carrier for solar cell positive silver paste, comprises the following steps：
（1）Each raw material is measured respectively by proportioning；
（2）According to first solubilizer, again plus resin, the order of last adding assistant successively will raw material put into dispersed with stirring device in carry out
Preliminary mixing, mixing speed is 2500r/min；Jitter time is 30min；The slurry that formation can continuously be flowed；
（3）While being kept stirring for dispersal device and continuously running, above-mentioned slurry is delivered to by grinding distribution by the circulatory system
Fine gtinding is carried out in device to slurry, milling time is 10min；
（4）Flowed back to again in dispersed with stirring device after slurry is finer ground and continue dispersed with stirring；
（5）Slurry is circulated between dispersed with stirring device and apparatus for grinding and dispersing, until particle diameter distribution≤3 micron of slurry.
Embodiment 2：
A kind of organic carrier for solar cell positive silver paste, the organic carrier is resin：The vinegar of epoxy resin modification two
One of which, solvent in acid cellulose, polyester modification acrylic resin, polyvinyl butyral resin：Nylon acid dimethyl ester,
Polyamide modified rilanit special and auxiliary agent：Thickener：Abietyl modified carboxyethyl cellulose, surfactant：Isooctyl acid glycerine
Ester type nonionic surfactant, wherein, thickener and surfactant the resin, solvent and are helped with arbitrary proportion interworking
The mass ratio of agent is 1-：4：0.01.
A kind of preparation method of the described organic carrier for solar cell positive silver paste, comprises the following steps：
（1）Each raw material is measured respectively by proportioning；
（2）According to first solubilizer, again plus resin, the order of last adding assistant successively will raw material put into dispersed with stirring device in carry out
Preliminary mixing, mixing speed is 3000r/min；Jitter time is 30min；The slurry that formation can continuously be flowed；
（3）While being kept stirring for dispersal device and continuously running, above-mentioned slurry is delivered to by grinding distribution by the circulatory system
Fine gtinding is carried out in device to slurry, milling time is 15min；
（4）Flowed back to again in dispersed with stirring device after slurry is finer ground and continue dispersed with stirring；
（5）Slurry is circulated between dispersed with stirring device and apparatus for grinding and dispersing, until particle diameter distribution≤3 micron of slurry.
Embodiment 3：
A kind of organic carrier for solar cell positive silver paste, the organic carrier is resin：Polyvinyl butyral resin tree
Fat, solvent：Polyamide modified rilanit special, atoleine and auxiliary agent：Thickener：Abietyl modified carboxymethylcellulose calcium, surface
Activating agent：Alkylammonium salt form cationic surface active agent, wherein, thickener and surfactant are with arbitrary proportion interworking, institute
The mass ratio for stating resin, solvent and auxiliary agent is 1.2：3.4：0.02.
A kind of preparation method of the described organic carrier for solar cell positive silver paste, comprises the following steps：
（1）Each raw material is measured respectively by proportioning；
（2）According to first solubilizer, again plus resin, the order of last adding assistant successively will raw material put into dispersed with stirring device in carry out
Preliminary mixing, mixing speed is 2500r/min；Jitter time is 30min；The slurry that formation can continuously be flowed；
（3）While being kept stirring for dispersal device and continuously running, above-mentioned slurry is delivered to by grinding distribution by the circulatory system
Fine gtinding is carried out in device to slurry, milling time is 20min；
（4）Flowed back to again in dispersed with stirring device after slurry is finer ground and continue dispersed with stirring；
（5）Slurry is circulated between dispersed with stirring device and apparatus for grinding and dispersing, until particle diameter distribution≤3 micron of slurry.
Embodiment 4：
A kind of organic carrier for solar cell positive silver paste, the organic carrier is resin：The vinegar of epoxy resin modification two
Acid cellulose, solvent：Turpentine oil and auxiliary agent：Thickener：Abietyl modified methylcellulose, surfactant：2- isodecyl acid glycerols
Ester type nonionic surfactant；Wherein, thickener and surfactant be with arbitrary proportion interworking, the resin, solvent and helps
The mass ratio of agent is 1：3.4：0.01.
A kind of preparation method of the described organic carrier for solar cell positive silver paste, comprises the following steps：
（1）Each raw material is measured respectively by proportioning；
（2）According to first solubilizer, again plus resin, the order of last adding assistant successively will raw material put into dispersed with stirring device in carry out
Preliminary mixing, mixing speed is 2500r/min；Jitter time is 30min；The slurry that formation can continuously be flowed；
（3）While being kept stirring for dispersal device and continuously running, above-mentioned slurry is delivered to by grinding distribution by the circulatory system
Fine gtinding is carried out in device to slurry, milling time is 20min；
（4）Flowed back to again in dispersed with stirring device after slurry is finer ground and continue dispersed with stirring；
（5）Slurry is circulated between dispersed with stirring device and apparatus for grinding and dispersing, until particle diameter distribution≤3 micron of slurry.
Embodiment 5：
A kind of organic carrier for solar cell positive silver paste, the organic carrier is resin：Polyester modification acrylic acid tree
Fat, solvent：Carbitol and auxiliary agent：Thickener：Abietyl modified ethyl cellulose, surfactant：Betaine type amphoteric ion table
Face activating agent, wherein, with arbitrary proportion interworking, the mass ratio of the resin, solvent and auxiliary agent is for thickener and surfactant
1.6：3.2：0.03.
A kind of preparation method of the described organic carrier for solar cell positive silver paste, comprises the following steps：
（1）Each raw material is measured respectively by proportioning；
（2）According to first solubilizer, again plus resin, the order of last adding assistant successively will raw material put into dispersed with stirring device in carry out
Preliminary mixing, mixing speed is 3000r/min；Jitter time is 30min；The slurry that formation can continuously be flowed；
（3）While being kept stirring for dispersal device and continuously running, above-mentioned slurry is delivered to by grinding distribution by the circulatory system
Fine gtinding is carried out in device to slurry, milling time is 10min；
（4）Flowed back to again in dispersed with stirring device after slurry is finer ground and continue dispersed with stirring；
（5）Slurry is circulated between dispersed with stirring device and apparatus for grinding and dispersing, until particle diameter distribution≤3 micron of slurry.
Embodiment 6：
A kind of organic carrier for solar cell positive silver paste, the organic carrier is resin：Polyester modification acrylic acid tree
Fat, solvent：Polyamide modified rilanit special and auxiliary agent：Thickener：Abietyl modified methylcellulose, surfactant：Alkyl
Ammonium salt type cationic surface active agent, wherein, thickener and surfactant are with arbitrary proportion interworking, the resin, solvent
It is 1.8 with the mass ratio of auxiliary agent：3.5：0.03.
A kind of preparation method of the described organic carrier for solar cell positive silver paste, comprises the following steps：
（1）Each raw material is measured respectively by proportioning；
（2）According to first solubilizer, again plus resin, the order of last adding assistant successively will raw material put into dispersed with stirring device in carry out
Preliminary mixing, mixing speed is 2500r/min；Jitter time is 30min；The slurry that formation can continuously be flowed；
（3）While being kept stirring for dispersal device and continuously running, above-mentioned slurry is delivered to by grinding distribution by the circulatory system
Fine gtinding is carried out in device to slurry, milling time is 10min；
（4）Flowed back to again in dispersed with stirring device after slurry is finer ground and continue dispersed with stirring；
（5）Slurry is circulated between dispersed with stirring device and apparatus for grinding and dispersing, until particle diameter distribution≤3 micron of slurry.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of organic carrier for solar cell positive silver paste, it is characterised in that the organic carrier is resin, solvent
With the mixture of auxiliary agent, the mass ratio of the resin, solvent and auxiliary agent is 1-2：3-4：0.01-0.05.
2. the organic carrier for solar cell positive silver paste according to claim 1, it is characterised in that described organic
Carrier is the mixture of resin, solvent and auxiliary agent, and the mass ratio of the resin, solvent and auxiliary agent is 1-1.6：3.2-3.4：
0.01-0.03。
3. the organic carrier for solar cell positive silver paste according to claim 1, it is characterised in that the resin
Selected from wherein in epoxy resin modification cellulose diacetate, polyester modification acrylic resin, polyvinyl butyral resin
Kind.
4. the organic carrier for solar cell positive silver paste according to claim 1, it is characterised in that the solvent
Selected from nylon acid dimethyl ester, polyamide modified rilanit special, atoleine, in hexylene glycol, carbitol, turpentine oil at least one
Kind.
5. the organic carrier for solar cell positive silver paste according to claim 1, it is characterised in that the auxiliary agent
It is thickener and surfactant.
6. the organic carrier for solar cell positive silver paste according to claim 5, it is characterised in that the thickening
Agent is Abietyl modified methylcellulose, Abietyl modified ethyl cellulose, Abietyl modified carboxymethylcellulose calcium, Abietyl modified carboxyethyl
One of which in cellulose.
7. the organic carrier for solar cell positive silver paste according to claim 5, it is characterised in that the surface
Activating agent is alkylammonium salt form cationic surface active agent, betaine type amphoteric ionic surface active agent, C8-C10 aliphatic acid
One of which in glycerine ester type nonionic surfactant.
8. the organic carrier for solar cell positive silver paste according to claim 7, it is characterised in that the surface
Activating agent is alkylammonium salt form cationic surface active agent.
9. the preparation of a kind of organic carrier for solar cell positive silver paste according to any one of claim 1-8
Method, it is characterised in that comprise the following steps：
（1）Each raw material is measured respectively by proportioning；
（2）According to first solubilizer, again plus resin, the order of last adding assistant successively will raw material put into dispersed with stirring device in carry out
Preliminary mixing, the slurry that formation can continuously be flowed；
（3）While being kept stirring for dispersal device and continuously running, above-mentioned slurry is delivered to by grinding distribution by the circulatory system
Fine gtinding is carried out to slurry in device；
（4）Flowed back to again in dispersed with stirring device after slurry is finer ground and continue dispersed with stirring；
（5）Slurry is circulated between dispersed with stirring device and apparatus for grinding and dispersing, until particle diameter distribution≤3 micron of slurry.
10. the preparation method of the organic carrier for solar cell positive silver paste according to claim 9, its feature exists
In the step（2）In mixing speed be 2500-3000r/min；Jitter time is 30min；The step（3）In grind
It is 10-20min to consume time.
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