CN104269202B - A kind of low argentiferous handset touch panel silver slurry and preparation method thereof - Google Patents
A kind of low argentiferous handset touch panel silver slurry and preparation method thereof Download PDFInfo
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- CN104269202B CN104269202B CN201410576376.7A CN201410576376A CN104269202B CN 104269202 B CN104269202 B CN 104269202B CN 201410576376 A CN201410576376 A CN 201410576376A CN 104269202 B CN104269202 B CN 104269202B
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Abstract
The present invention low argentiferous handset touch panel silver slurry, including the component of following mass percent: conductive powder 45～55wt%, organic solvent 22～33 wt%, macromolecule resin 15～24 wt%, additive 5～10wt%；Described conductive powder is made up of flake silver powder, nano silver wire, nanometer aluminium powder, nano magnesia powder；Described organic solvent is made up of butyl molten acid anhydride acetic acid esters, dihydroterpineol, dioctyl phthalate；Described macromolecule resin is made up of polyvinyl butyral resin, phenolic resin；Described additive is made up of acetic acid butyl cellulose, tricalcium phosphate, lactic acid list glyceride, polypyrrole, pentaerythritol triacrylate.The particle diameter of described flake silver powder is 2～3 μm；The line footpath of described nano silver wire is 40～60nm, a length of 5～6um；The particle diameter of nanometer aluminium powder is 40～70nm；The particle diameter of nano magnesia powder is 50～60nm.
Description
Technical field
The invention belongs to handset touch panel technical field, be specifically related to a kind of low argentiferous handset touch panel silver slurry and preparation method thereof.
Background technology
Conductive silver slurry is divided into two classes: 1. polymer conductive silver slurry (dried or cured film forming, using organic polymer as bonding phase)；2. slug type conductive silver slurry (sintering film forming, sintering temperature > 500 DEG C, glass dust or oxide are as bonding phase).Silver powder is according to particle size classification, and < 0.1 μm (100nm) is nano-silver powder to average grain diameter；0.1 μm < Dav(average grain diameter) 10.0 μm are raw Ag powder.Three classifications constituting silver conductive paste need different classes of silver powder or combination as conductive filler, different formulations in the most each classification needs different silver powder as conducting function material, purpose is under the formula determined or film-forming process, realize the maximum utilization of silver electric conductivity and thermal conductivity with minimum silver powder, be related to optimization and the cost of film performance.Touch-screen conductive silver paste is to aim at resistance-type and the low-temperature bake type conductive silver paste of capacitive touch screen return wire design, and it is to be made by the silver powder lappingout that high performance resin and electric conductivity are splendid, is suitable on ito film glass.The feature such as have excellent printing, electric conductivity, hardness and adhesive force, antioxygenic property excellent.General silver content is about 70%.
Summary of the invention
It is an object of the invention to provide a kind of low argentiferous handset touch panel silver slurry and preparation method thereof.
The present invention low argentiferous handset touch panel silver slurry, including the component of following mass percent: conductive powder 45～55wt%, organic solvent 22～33 wt%, macromolecule resin 15～24 wt%, additive 5～10wt%；Described conductive powder is made up of flake silver powder, nano silver wire, nanometer aluminium powder, nano magnesia powder；Described organic solvent is made up of butyl molten acid anhydride acetic acid esters, dihydroterpineol, dioctyl phthalate；Described macromolecule resin is made up of polyvinyl butyral resin, phenolic resin；Described additive is made up of acetic acid butyl cellulose, tricalcium phosphate, lactic acid list glyceride, polypyrrole, pentaerythritol triacrylate.
As optimization, the particle diameter of described flake silver powder is 2～3 μm；The line footpath of described nano silver wire is 40～60nm, a length of 5～6um；The particle diameter of nanometer aluminium powder is 40～70nm；The particle diameter of nano magnesia powder is 50～60nm.
As optimization, described flake silver powder, nano silver wire, nanometer aluminium powder, the mass percent of nano magnesia powder are 12～15 wt%, 10～13 wt%, 18～20 wt%, 5～7wt%.
As optimization, described butyl molten acid anhydride acetic acid esters, dihydroterpineol, the mass ratio of dioctyl phthalate are 2:8:3.
As optimization, described polyvinyl butyral resin, the mass ratio of phenolic resin are 5:1.
As optimization, described acetic acid butyl cellulose, tricalcium phosphate, lactic acid list glyceride, polypyrrole season, the mass ratio of penta tetrol triacrylate be: 2:1:2:4:7.
As optimization, including the component of following mass percent: flake silver powder 13 wt%, nano silver wire 11 wt%, nanometer aluminium powder 19 wt%, nano magnesia powder 5 wt%；Butyl molten acid anhydride acetic acid esters 4 wt%, dihydroterpineol 16 wt%, dioctyl phthalate 6 wt%；Polyvinyl butyral resin 15 wt%, phenolic resin 3wt%；Acetic acid butyl cellulose 1 wt%, tricalcium phosphate 0.5 wt%, lactic acid list glyceride 1 wt%, polypyrrole 2 wt%, pentaerythritol triacrylate 3.5 wt%.
The method preparing handset touch panel of the present invention silver slurry, comprises the following steps:
A, the nano silver wire by described mass fraction, nanometer aluminium powder, nano magnesia powder are mixed with dihydroterpineol, the dioctyl phthalate of described mass fraction by ultrasonic dispersing machine；
B, mixture in step a add the butyl molten acid anhydride acetic acid esters of described mass fraction, polyvinyl butyral resin, phenolic resin under the conditions of 70～95 DEG C, stir；
C, the flake silver powder of described mass fraction is joined in the mixture in step b, stir；
D, the acetic acid butyl cellulose of described mass fraction, tricalcium phosphate, lactic acid list glyceride, polypyrrole, pentaerythritol triacrylate are joined in the mixture in step c, after stirring, carrying out 6～12 times rollings with three-high mill, the screen filtration being then passed through 600 mesh obtains silver slurry finished product.
Handset touch panel of the present invention silver slurry, uses a small amount of silver powder, has been simultaneously introduced nano silver wire, nanometer aluminium powder, nano magnesia and additive and has been mixed with and forms；Ensure that in the case of silver powder reduces；This handset touch panel silver slurry has conductive effect and the viscosity of excellence, has stronger hardness simultaneously.
Detailed description of the invention
Example given below intends that the invention will be further described, but is not to be construed as limiting the scope of the invention, and those skilled in the art, according to some nonessential improvement and adjustment to the present invention of present invention, still fall within protection scope of the present invention.
Embodiment 1:
A, line taking footpath are 40～60nm, the nano silver wire of a length of 5～6um 11 grams, particle diameter be 40～70nm obtain nanometer aluminium powder 19 grams, particle diameter be 50～60nm 5 grams of nano magnesia powder mixed with dihydroterpineol 16 grams, dioctyl phthalate 6 grams by ultrasonic dispersing machine；
B, mixture in step a add butyl molten acid anhydride acetic acid esters 4 grams, polyvinyl butyral resin 15 grams, 3 grams of phenolic resin under the conditions of 70～95 DEG C, stir 2 hours uniform；
C, by particle diameter be 2～3 μm 13 grams of mixtures joining in step b of flake silver powder in, stir；
D, by acetic acid butyl cellulose 1 gram, tricalcium phosphate 0.5 gram, lactic acid list glyceride 1 gram, polypyrrole 2 grams, 3.5 grams of mixtures joining in step c of pentaerythritol triacrylate, after stirring, carrying out 10 times rollings with three-high mill, the screen filtration being then passed through 600 mesh obtains silver slurry finished product.Index of correlation is as follows:
Embodiment 2:
A, line taking footpath are 40～60nm, the nano silver wire of a length of 5～6um 10 grams, particle diameter be 40～70nm obtain nanometer aluminium powder 18 grams, particle diameter be 50～60nm 5 grams of nano magnesia powder mixed with dihydroterpineol 15 grams, dioctyl phthalate 4 grams by ultrasonic dispersing machine；
B, mixture in step a add butyl molten acid anhydride acetic acid esters 3 grams, polyvinyl butyral resin 12.5 grams, 2.5 grams of phenolic resin under the conditions of 70～95 DEG C, stir 2.5 hours uniform；
C, by particle diameter be 2～3 μm 12 grams of mixtures joining in step b of flake silver powder in, stir；
D, by acetic acid butyl cellulose 0.6 gram, tricalcium phosphate 0.3 gram, lactic acid list glyceride 0.6 gram, polypyrrole 1.5 grams, 2 grams of mixtures joining in step c of pentaerythritol triacrylate, after stirring, carrying out 6 times rollings with three-high mill, the screen filtration being then passed through 600 mesh obtains silver slurry finished product.Index of correlation is as follows:
Embodiment 3:
A, line taking footpath are 40～60nm, the nano silver wire of a length of 5～6um 13 grams, particle diameter be 40～70nm obtain nanometer aluminium powder 20 grams, particle diameter be 50～60nm 7 grams of nano magnesia powder mixed with dihydroterpineol 20 grams, dioctyl phthalate 7.5 grams by ultrasonic dispersing machine；
B, mixture in step a add butyl molten acid anhydride acetic acid esters 5.5 grams, polyvinyl butyral resin 20 grams, 4 grams of phenolic resin under the conditions of 70～95 DEG C, stir 3 hours uniform；
C, by particle diameter be 2～3 μm 15 grams of mixtures joining in step b of flake silver powder in, stir；
D, by acetic acid butyl cellulose 0.8 gram, tricalcium phosphate 0.4 gram, lactic acid list glyceride 0.8 gram, polypyrrole 3 grams, 5 grams of mixtures joining in step c of pentaerythritol triacrylate, after stirring, carrying out 6 times rollings with three-high mill, the screen filtration being then passed through 600 mesh obtains silver slurry finished product.Index of correlation is as follows:
Claims (8)
1. one kind low argentiferous handset touch panel silver slurry, it is characterised in that include the component of following mass percent: conductive powder 45～55wt%, organic solvent 22～33 wt%, macromolecule resin 15～24 wt%, additive 5～10wt%；
Described conductive powder is made up of flake silver powder, nano silver wire, nanometer aluminium powder, nano magnesia powder；
Described organic solvent is made up of butyl molten acid anhydride acetic acid esters, dihydroterpineol, dioctyl phthalate；
Described macromolecule resin is made up of polyvinyl butyral resin, phenolic resin；
Described additive is made up of acetic acid butyl cellulose, tricalcium phosphate, lactic acid list glyceride, polypyrrole, pentaerythritol triacrylate.
Handset touch panel the most according to claim 1 silver slurry, it is characterised in that the particle diameter of described flake silver powder is 2～3 μm；The line footpath of described nano silver wire is 40～60nm, a length of 5～6um；The particle diameter of nanometer aluminium powder is 40～70nm；The particle diameter of nano magnesia powder is 50～60nm.
Handset touch panel the most according to claim 2 silver slurry, it is characterised in that described flake silver powder, nano silver wire, nanometer aluminium powder, the mass percent of nano magnesia powder are 12～15 wt%, 10～13 wt%, 18～20 wt%, 5～7wt%.
Handset touch panel the most according to claim 1 silver slurry, it is characterised in that described butyl molten acid anhydride acetic acid esters, dihydroterpineol, the mass ratio of dioctyl phthalate are 2:8:3.
Handset touch panel the most according to claim 1 silver slurry, it is characterised in that described polyvinyl butyral resin, the mass ratio of phenolic resin are 5:1.
Handset touch panel the most according to claim 1 silver slurry, it is characterised in that described acetic acid butyl cellulose, tricalcium phosphate, lactic acid list glyceride, polypyrrole, the mass ratio of pentaerythritol triacrylate are 2:1:2:4:7.
Handset touch panel the most according to claim 2 silver slurry, it is characterised in that include the component of following mass percent: flake silver powder 13 wt%, nano silver wire 11 wt%, nanometer aluminium powder 19 wt%, nano magnesia powder 5 wt%；Butyl molten acid anhydride acetic acid esters 4 wt%, dihydroterpineol 16 wt%, dioctyl phthalate 6 wt%；
Polyvinyl butyral resin 15 wt%, phenolic resin 3wt%；Acetic acid butyl cellulose 1 wt%, tricalcium phosphate 0.5 wt%, lactic acid list glyceride 1 wt%, polypyrrole 2 wt%, pentaerythritol triacrylate 3.5 wt%.
8. prepare the method for handset touch panel silver slurry described in claim 7 for one kind, it is characterised in that comprise the following steps:
A, the nano silver wire by described mass fraction, nanometer aluminium powder, nano magnesia powder are mixed with dihydroterpineol, the dioctyl phthalate of described mass fraction by ultrasonic dispersing machine；
B, mixture in step a add the butyl molten acid anhydride acetic acid esters of described mass fraction, polyvinyl butyral resin, phenolic resin under the conditions of 70～95 DEG C, stir；
C, the flake silver powder of described mass fraction is joined in the mixture in step b, stir；
D, the acetic acid butyl cellulose of described mass fraction, tricalcium phosphate, lactic acid list glyceride, polypyrrole, pentaerythritol triacrylate are joined in the mixture in step c, after stirring, carrying out 6～12 times rollings with three-high mill, the screen filtration being then passed through 600 mesh obtains silver slurry finished product.
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| CN201410576376.7A CN104269202B (en) | 2014-10-26 | 2014-10-26 | A kind of low argentiferous handset touch panel silver slurry and preparation method thereof |
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| CN104269202B true CN104269202B (en) | 2016-08-24 |
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| CN105679407B (en) * | 2016-01-05 | 2018-05-04 | 张跃 | A kind of low-temperature cured conductive silver paste and preparation method thereof and institute's made membrane |
| CN105761778B (en) * | 2016-04-22 | 2018-09-21 | 无锡南理工科技发展有限公司 | A kind of preparation method of low temperature curing type conductive silver paste |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770829A (en) * | 2010-03-16 | 2010-07-07 | 彩虹集团公司 | Special silver electrode paste for touch screen and preparation method thereof |
| CN102479567A (en) * | 2010-11-25 | 2012-05-30 | 第一毛织株式会社 | Electrode slurry composition and plasma display panel electrode made of the same |
| CN103996434A (en) * | 2014-04-24 | 2014-08-20 | 安徽为民磁力科技有限公司 | Low-silver printed circuit board silver paste and preparation method thereof |
| CN104078096A (en) * | 2014-06-04 | 2014-10-01 | 乐凯特科技铜陵有限公司 | Low-cost printed circuit board silver paste and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005123141A (en) * | 2003-10-20 | 2005-05-12 | Murata Mfg Co Ltd | Conductive paste and piezoelectric ceramic electronic component |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770829A (en) * | 2010-03-16 | 2010-07-07 | 彩虹集团公司 | Special silver electrode paste for touch screen and preparation method thereof |
| CN102479567A (en) * | 2010-11-25 | 2012-05-30 | 第一毛织株式会社 | Electrode slurry composition and plasma display panel electrode made of the same |
| CN103996434A (en) * | 2014-04-24 | 2014-08-20 | 安徽为民磁力科技有限公司 | Low-silver printed circuit board silver paste and preparation method thereof |
| CN104078096A (en) * | 2014-06-04 | 2014-10-01 | 乐凯特科技铜陵有限公司 | Low-cost printed circuit board silver paste and preparation method thereof |
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Effective date of registration: 20160713 Address after: 362300, Quanzhou, Fujian, Nanan City, Xia Mei Town, innovation road, building two, multi dimensional public space Applicant after: QUANZHOU ZHONGYAN INTELLIGENT ELECTRICAL AND MECHANICAL RESEARCH INSTITUTE Co.,Ltd. Address before: 030009, No. 4, building 2, west coast, No. 140 South Feng Road, Wan Berlin District, Shanxi, Taiyuan Applicant before: Wang Wei |
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Effective date of registration: 20170526 Address after: 224000 new North Road, Dafeng hi tech Zone, Dafeng District, Jiangsu, Yancheng City 27 Patentee after: Jiangsu Xinyuan Chang Technology Co.,Ltd. Address before: 100000 Beijing city Chaoyang District Albemarle Road No. 12 Chaowai room 801 8 Patentee before: Beijing Gao Hang United Technology Co.,Ltd. Effective date of registration: 20170526 Address after: 100000 Beijing city Chaoyang District Albemarle Road No. 12 Chaowai room 801 8 Patentee after: Beijing Gao Hang United Technology Co.,Ltd. Address before: 362300, Quanzhou, Fujian, Nanan City, Xia Mei Town, innovation road, building two, multi dimensional public space Patentee before: QUANZHOU ZHONGYAN INTELLIGENT ELECTRICAL AND MECHANICAL RESEARCH INSTITUTE Co.,Ltd. |
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