CN103165218A - Iodobromite-contained slurry used for large keyboard and preparation method of iodobromite-contained slurry - Google Patents
Iodobromite-contained slurry used for large keyboard and preparation method of iodobromite-contained slurry Download PDFInfo
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- CN103165218A CN103165218A CN2011104213573A CN201110421357A CN103165218A CN 103165218 A CN103165218 A CN 103165218A CN 2011104213573 A CN2011104213573 A CN 2011104213573A CN 201110421357 A CN201110421357 A CN 201110421357A CN 103165218 A CN103165218 A CN 103165218A
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Abstract
The invention relates to iodobromite-contained slurry used for a large keyboard and a preparation method of the iodobromite-contained slurry. The iodobromite-contained slurry used for the large keyboard and the preparation method of the iodobromite-contained slurry comprise the following components, by weight percentage, 40-46 of metal silver powder, 7-10 of high polymer resin, 0.2-0.6 of curing agents, 0.2-0.6 of adhesion accelerants, 0.1-0.5 of hardening agents, 0.5-0.8 of thickening agents and 30-48 of solvents. The high polymer resin and the solvents are weighed and poured into a dissolving kettle, after the high polymer resin and the solvents are blended and become transparent, the high polymer resin and the solvents are filtered and impurities are eliminated by using a screen cloth of 300-400 meshes, and carriers are obtained; the metal silver powder, the carriers, the curing agents, the adhesion accelerants, the hardening agents and the thickening agents are weighed and placed in a high-speed dispersion machine for high-speed dispersion, so that uniform slurry is obtained; and the slurry is ground in a three-high mill, so that the iodobromite-contained slurry used for the large keyboard is obtained. Compared with the prior art, the iodobromite-contained slurry used for the large keyboard and the preparation method of the iodobromite-contained slurry have the advantages of being wide in usage temperature range, low in curing temperature and the like.
Description
Technical field
The present invention relates to a kind of conductive silver paste, especially relate to a kind of large keyboard with halogen silver paste and preparation method thereof is arranged.
Background technology
Desktop computer is the demand of world market maximum always.The IDC of market survey company issues the whole world PC shipment amount report second quarter today, and wherein Lenovo Group surpasses Acer becomes the whole world the 3rd, and ASUSTek Computer is forced down Toshiba becomes global the fifth-largest PC manufacturer.
IDC issues the report title today, is subject to the impact of economic depression, consumer preference intelligent machine and iPad panel computer, and global PC shipment amount reaches 8,440 ten thousand for the second quarter, increases by 2.6% on a year-on-year basis.This growth rate expects before this lower than IDC, and before this, IDC estimates that global PC shipment amount will increase by 2.9% on a year-on-year basis for the second quarter.
In the report of new first phase, larger variation has appearred in global PC manufacturer shipment amount rank, and wherein Lenovo Group surpasses Acer becomes the whole world the 3rd, and ASUSTek Computer is forced down Toshiba becomes global the fifth-largest PC manufacturer.
IDC reports demonstration, and Lenovo Group's shipment amount reaches 1027.6 ten thousand, and the world market share also reaches 12.2%.IDC thinks, association makes it surmount Acer in the growth of the U.S. and Japanese sales volume becomes global the third-largest PC manufacturer.
It should be noted that the Lenovo Group's shipment amount second quarter is more or less the same with second place Dell, Dell's whole world second quarter shipment amount reaches 1092.7 ten thousand.If Lenovo Group's shipment amount can continue to keep 20% growth rate, next season will very likely surpass Dell becomes world's second largest PC manufacturer.
Domestic large keyboard always is at the product with external producer with silver paste at present.The some shortcomings part of these products is: curing temperature is higher, causes the PET diaphragm easily to be out of shape, and the product viscosity is high, and printing quality is poor.
Summary of the invention
Purpose of the present invention is exactly to provide the low large keyboard of a kind of serviceability temperature wide ranges, curing temperature with halogen silver paste and preparation method thereof is arranged in order to overcome the defective that above-mentioned prior art exists.
Purpose of the present invention can be achieved through the following technical solutions: a kind of large keyboard is characterized in that with the halogen silver paste is arranged, and comprises following component and weight portion content:
Silver powder 40-46;
Macromolecule resin 7-10;
Curing agent 0.2-0.6;
Adhesion promoter 0.2-0.6;
Hardening agent 0.1-0.5
Thickener 0.5-0.8;
Solvent 30-48.
Described silver powder is flake silver powder, and the grain diameter of flake silver powder is 1.6-3.0 μ m, and tap density is 3.9-4.108g/ml.
Described macromolecule resin is polyurethane resin.
Described curing agent is blocked curing agent.
Described adhesion promoter is silane coupler.
Described Hardening agent is graphite powder.
Described thickener is aerosil.
Described solvent is DBE.
A kind of large keyboard preparation method that the halogen silver paste is arranged is characterized in that, the method comprises the following steps:
(1) get the raw materials ready, get the raw materials ready according to following component and weight portion content:
Silver powder 40-46;
Macromolecule resin 7-10;
Curing agent 0.2-0.6;
Adhesion promoter 0.2-0.6;
Hardening agent 0.1-0.5
Thickener 0.5-0.8;
Solvent 30-48;
(2) preparation of carrier: take macromolecule resin and solvent and pour in dissolution kettle, be stirred to be transparence after, carry out filtering and impurity removing with 300-400 order screen cloth, obtain carrier;
(3) preparation of silver slurry: take silver powder, carrier, curing agent, adhesion promoter, Hardening agent, thickener and be placed on and carry out high speed dispersion in high speed dispersor, obtain uniform slurry;
(4) production of silver paste: above-mentioned slurry is ground in three-high mill, adjusting by the roll seam reaches below 15 μ m silver slurry fineness, fine setting by solvent makes silver-colored viscosity of starching in the 10-30PaS scope, makes large keyboard with the halogen silver paste is arranged.
Compared with prior art, the present invention reaches decline and the wide purpose of comfort zone on the curing temperature of product, in the viscosity design of product, the demonstration of the science of carrying out, and the rationalization of resin selects makes the rheological characteristic of product more adapt to the needs of silk screen printing.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment.
Embodiment 1
A kind of large keyboard preparation method that the halogen silver paste is arranged, the method comprises the following steps:
(1) get the raw materials ready, get the raw materials ready according to following component: silver powder 42kg, macromolecule resin 10kg, curing agent 0.5kg, adhesion promoter 0.3kg, Hardening agent 0.2kg, thickener 0.5kg, solvent 46.5kg.Silver powder used is flake silver powder, and grain diameter is 1.6 μ m, tap density 3.9g/ml; Macromolecule resin used is chlorine vinegar copolymer, and adhesion promoter used is silane coupler, and Hardening agent used is graphite powder, and thickener used is aerosil, and solvent used is DBE.
(2) preparation of carrier: take polyurethane resin and DBE, then be poured in dissolution kettle, power-on stirs it, after carrier is transparence, it is carried out filtering and impurity removing with 300-400 order screen cloth, obtains carrier.
(3) preparation of silver slurry: take silver powder, carrier, adhesion promoter, Hardening agent, thickener and solvent, be placed on and carry out high speed dispersion in high speed dispersor, obtain uniform slurry.
(4) production of silver paste: above-mentioned slurry is ground in three-high mill, and the adjusting by the roll seam makes the fineness of silver slurry reach 9 μ m, and it is 17PaS that the fine setting by solvent makes viscosity, makes large keyboard with the halogen silver paste is arranged.
Embodiment 2
A kind of large keyboard preparation method that the halogen silver paste is arranged, the method comprises the following steps:
(1) get the raw materials ready, get the raw materials ready according to following component: silver powder 44kg, macromolecule resin 9kg, curing agent 0.2kg, adhesion promoter 0.4kg, Hardening agent 0.3kg, thickener 0.8kg, solvent 45.5kg.Silver powder used is flake silver powder, and grain diameter is 2.2 μ m, tap density 4.01g/ml; Macromolecule resin used is chlorine vinegar copolymer, and adhesion promoter used is silane coupler, and Hardening agent used is graphite powder, and thickener used is aerosil, and solvent used is DBE.
(2) preparation of carrier: take polyurethane resin and DBE, then be poured in dissolution kettle, power-on stirs it, after carrier is transparence, it is carried out filtering and impurity removing with 300-400 order screen cloth, obtains carrier.
(3) preparation of silver slurry: take silver powder, carrier, adhesion promoter, Hardening agent, thickener and solvent, be placed on and carry out high speed dispersion in high speed dispersor, obtain uniform slurry.
(4) production of silver paste: above-mentioned slurry is ground in three-high mill, and the adjusting by the roll seam makes the fineness of silver slurry reach 10 μ m, and it is 15PaS that the fine setting by solvent makes viscosity, makes large keyboard with the halogen silver paste is arranged.
Embodiment 3
A kind of large keyboard preparation method that the halogen silver paste is arranged, the method comprises the following steps:
(1) get the raw materials ready, get the raw materials ready according to following component: silver powder 46kg, macromolecule resin 8kg, curing agent 0.6kg, adhesion promoter 0.6kg, Hardening agent 0.5kg, thickener 0.5kg, solvent 44.4kg.Silver powder used is flake silver powder, and grain diameter is 3.0 μ m, tap density 4.1g/ml; Macromolecule resin used is chlorine vinegar copolymer, and adhesion promoter used is silane coupler, and Hardening agent used is graphite powder, and thickener used is aerosil, and solvent used is DBE.
(2) preparation of carrier: take polyurethane resin and DBE, then be poured in dissolution kettle, power-on stirs it, after carrier is transparence, it is carried out filtering and impurity removing with 300-400 order screen cloth, obtains carrier.
(3) preparation of silver slurry: take silver powder, carrier, adhesion promoter, Hardening agent, thickener and solvent, be placed on and carry out high speed dispersion in high speed dispersor, obtain uniform slurry.
(4) production of silver paste: above-mentioned slurry is ground in three-high mill, and the adjusting by the roll seam makes the fineness of silver slurry reach 11 μ m, and it is 13PaS that the fine setting by solvent makes viscosity, makes large keyboard with the halogen silver paste is arranged.
Embodiment 4
A kind of large keyboard preparation method that the halogen silver paste is arranged, the method comprises the following steps:
(1) get the raw materials ready, get the raw materials ready according to following component and weight portion content:
Silver powder 40;
Macromolecule resin 7;
Curing agent 0.6;
Adhesion promoter 0.2;
Hardening agent 0.1;
Thickener 0.8;
Solvent 48;
Silver powder used is flake silver powder, and grain diameter is 3.0 μ m, tap density 4.108g/ml; Macromolecule resin used is chlorine vinegar copolymer, and adhesion promoter used is silane coupler, and Hardening agent used is graphite powder, and thickener used is aerosil, and solvent used is DBE.
(2) preparation of carrier: take polyurethane resin and DBE, then be poured in dissolution kettle, power-on stirs it, after carrier is transparence, it is carried out filtering and impurity removing with 300-400 order screen cloth, obtains carrier.
(3) preparation of silver slurry: take silver powder, carrier, adhesion promoter, Hardening agent, thickener and solvent, be placed on and carry out high speed dispersion in high speed dispersor, obtain uniform slurry.
(4) production of silver paste: above-mentioned slurry is ground in three-high mill, and the adjusting by the roll seam makes the fineness of silver slurry reach 15 μ m, and it is 30PaS that the fine setting by solvent makes viscosity, makes large keyboard with the halogen silver paste is arranged.
Embodiment 5
A kind of large keyboard preparation method that the halogen silver paste is arranged, the method comprises the following steps:
(1) get the raw materials ready, get the raw materials ready according to following component and weight portion content:
Silver powder 46;
Macromolecule resin 10;
Curing agent 0.2;
Adhesion promoter 0.2;
Hardening agent 0.1
Thickener 0.5;
Solvent 30;
Silver powder used is flake silver powder, and grain diameter is 2.0 μ m, tap density 4.0g/ml; Macromolecule resin used is chlorine vinegar copolymer, and adhesion promoter used is silane coupler, and Hardening agent used is graphite powder, and thickener used is aerosil, and solvent used is DBE.
(2) preparation of carrier: take polyurethane resin and DBE, then be poured in dissolution kettle, power-on stirs it, after carrier is transparence, it is carried out filtering and impurity removing with 300-400 order screen cloth, obtains carrier.
(3) preparation of silver slurry: take silver powder, carrier, adhesion promoter, Hardening agent, thickener and solvent, be placed on and carry out high speed dispersion in high speed dispersor, obtain uniform slurry.
(4) production of silver paste: above-mentioned slurry is ground in three-high mill, and the adjusting by the roll seam makes the fineness of silver slurry reach 12 μ m, and it is 20PaS that the fine setting by solvent makes viscosity, makes large keyboard with the halogen silver paste is arranged.
Claims (9)
1. a large keyboard with the halogen silver paste is arranged, is characterized in that, comprises following component and weight portion content:
Silver powder 40-46;
Macromolecule resin 7-10;
Curing agent 0.2-0.6;
Adhesion promoter 0.2-0.6;
Hardening agent 0.1-0.5
Thickener 0.5-0.8;
Solvent 30-48.
2. a kind of large keyboard according to claim 1 with the halogen silver paste is arranged, is characterized in that, described silver powder is flake silver powder, and the grain diameter of flake silver powder is 1.6-3.0 μ m, and tap density is 3.9-4.108g/ml.
3. a kind of large keyboard according to claim 1 with the halogen silver paste is arranged, is characterized in that, described macromolecule resin is polyurethane resin.
4. a kind of large keyboard according to claim 1 with the halogen silver paste is arranged, is characterized in that, described curing agent is blocked curing agent.
5. a kind of large keyboard according to claim 1 with the halogen silver paste is arranged, is characterized in that, described adhesion promoter is silane coupler.
6. a kind of large keyboard according to claim 1 with the halogen silver paste is arranged, is characterized in that, described Hardening agent is graphite powder.
7. a kind of large keyboard according to claim 1 with the halogen silver paste is arranged, is characterized in that, described thickener is aerosil.
8. a kind of large keyboard according to claim 1 with the halogen silver paste is arranged, is characterized in that, described solvent is DBE.
9. a large keyboard as claimed in claim 1 with the preparation method that the halogen silver paste is arranged, is characterized in that, the method comprises the following steps:
(1) get the raw materials ready, get the raw materials ready according to following component and weight portion content:
Silver powder 40-46;
Macromolecule resin 7-10;
Curing agent 0.2-0.6;
Adhesion promoter 0.2-0.6;
Hardening agent 0.1-0.5
Thickener 0.5-0.8;
Solvent 30-48;
(2) preparation of carrier: take macromolecule resin and solvent and pour in dissolution kettle, be stirred to be transparence after, carry out filtering and impurity removing with 300-400 order screen cloth, obtain carrier;
(3) preparation of silver slurry: take silver powder, carrier, curing agent, adhesion promoter, Hardening agent, thickener and be placed on and carry out high speed dispersion in high speed dispersor, obtain uniform slurry;
(4) production of silver paste: above-mentioned slurry is ground in three-high mill, adjusting by the roll seam reaches below 15 μ m silver slurry fineness, fine setting by solvent makes silver-colored viscosity of starching in the 10-30PaS scope, makes large keyboard with the halogen silver paste is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110421357.3A CN103165218B (en) | 2011-12-15 | 2011-12-15 | A kind of large keyboard is with there being halogen silver paste and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110421357.3A CN103165218B (en) | 2011-12-15 | 2011-12-15 | A kind of large keyboard is with there being halogen silver paste and preparation method thereof |
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| CN103165218A true CN103165218A (en) | 2013-06-19 |
| CN103165218B CN103165218B (en) | 2016-05-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761776A (en) * | 2014-12-18 | 2016-07-13 | 上海宝银电子材料有限公司 | Bending-resistance conductive silver paste for PTC macromolecule electric heating film and preparation method of bending-resistance conductive silver paste |
| CN105788700A (en) * | 2014-12-18 | 2016-07-20 | 上海宝银电子材料有限公司 | Quick-dry type silver paste used for PCB through hole and preparation method for quick-dry type silver paste |
| CN110536546A (en) * | 2019-08-08 | 2019-12-03 | 佛山市顺德区百锐新电子材料有限公司 | A kind of preparation method of flexible circuit board silver paste |
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| US20090236132A1 (en) * | 2008-03-20 | 2009-09-24 | Industrial Technology Research Institute | Organic/inorganic hybrid composition with electrostatic discharge protection property |
| CN101645318A (en) * | 2008-08-07 | 2010-02-10 | 上海昌银电子材料科技有限公司 | Conductive silver paste special for circuit of laptop keyboard and preparation method thereof |
| CN101950596A (en) * | 2010-09-27 | 2011-01-19 | 彩虹集团公司 | Halogen-free low temperature solidified silver paste and preparation method thereof |
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2011
- 2011-12-15 CN CN201110421357.3A patent/CN103165218B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090236132A1 (en) * | 2008-03-20 | 2009-09-24 | Industrial Technology Research Institute | Organic/inorganic hybrid composition with electrostatic discharge protection property |
| CN101645318A (en) * | 2008-08-07 | 2010-02-10 | 上海昌银电子材料科技有限公司 | Conductive silver paste special for circuit of laptop keyboard and preparation method thereof |
| CN101950596A (en) * | 2010-09-27 | 2011-01-19 | 彩虹集团公司 | Halogen-free low temperature solidified silver paste and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761776A (en) * | 2014-12-18 | 2016-07-13 | 上海宝银电子材料有限公司 | Bending-resistance conductive silver paste for PTC macromolecule electric heating film and preparation method of bending-resistance conductive silver paste |
| CN105788700A (en) * | 2014-12-18 | 2016-07-20 | 上海宝银电子材料有限公司 | Quick-dry type silver paste used for PCB through hole and preparation method for quick-dry type silver paste |
| CN105788700B (en) * | 2014-12-18 | 2017-08-11 | 上海宝银电子材料有限公司 | It is a kind of for quick-dry type silver paste of PCB perforations and preparation method thereof |
| CN105761776B (en) * | 2014-12-18 | 2018-06-15 | 上海宝银电子材料有限公司 | It is a kind of for conductive silver paste resistant to bending of PTC polymer electric heating membranes and preparation method thereof |
| CN110536546A (en) * | 2019-08-08 | 2019-12-03 | 佛山市顺德区百锐新电子材料有限公司 | A kind of preparation method of flexible circuit board silver paste |
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| CN103165218B (en) | 2016-05-11 |
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Inventor after: Jiang Haihan Inventor after: He Lina Inventor after: Zhu Qingming Inventor after: Wang Delong Inventor before: Zhu Yuming |
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