CN105139919A - Laser silver paste used for capacitive touch screen as well as preparation method and use method for laser silver paste - Google Patents
Laser silver paste used for capacitive touch screen as well as preparation method and use method for laser silver paste Download PDFInfo
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- CN105139919A CN105139919A CN201510483662.3A CN201510483662A CN105139919A CN 105139919 A CN105139919 A CN 105139919A CN 201510483662 A CN201510483662 A CN 201510483662A CN 105139919 A CN105139919 A CN 105139919A
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Abstract
The invention discloses laser silver paste used for a capacitive touch screen as well as a preparation method and a use method for the laser silver paste. The laser silver paste used for the capacitive touch screen comprises the following raw materials in parts by weight: 60-80 parts of silver powder, 6-10 parts of resin, 22-25 parts of solvent, 0.3-3 parts of toner and 1-5 parts of accessory ingredients, wherein the grain diameter of the silver powder is 0.0005-0.0015 mm. The laser silver paste used for the capacitive touch screen is reasonable in formula, the printing thickness can be controlled to be 4-6 microns, and the laser silver paste is good in resistance uniformity, strong in adhesive force and high in stability; the preparation method provided by the invention is simple in process, easy to implement, and greatly shortens the production period and effectively improves the production efficiency; the use method provided by the invention is simple in process, and the laser silver paste can be attached to the majority of ITO membrane materials and glass substrates; in addition, the laser silver paste is excellent in adhesive force, capable of passing the adhesion test, good in working performance and easy to implement; and the working efficiency is effectively improved, so that the laser silver paste used for the capacitive touch screen can be widely applied.
Description
Technical field
The invention belongs to touch-screen Size Technology field, be specifically related to a kind of capacitive touch screen radium-shine silver slurry and preparation, application process.
Background technology
Along with consumer improves constantly the requirement of consumer electronics product, in capacitive touch screen production process, frame line design is more and more narrow, also more and more higher to the requirement of silver slurry cabling, printing silver slurry has been difficult to meet the requirement at frame design, now for being engaged in frame design requirement, a kind of silver slurry of applicable laser need be developed.Because in laser process, to the tack of silver slurry and radium-shine requirement higher, so resin and silver powder conformability require higher.
Summary of the invention
For above-mentioned deficiency, one of the object of the invention is, provide a kind of formula rationally, strong adhesion, it is forthright good to conduct electricity, and the radium-shine silver slurry of the capacitive touch screen meeting narrow frame design requirement.
Two of the object of the invention is, provide a kind of preparation method preparing the radium-shine silver slurry of above-mentioned capacitive touch screen, the technique of this preparation method is simple and easy, is easy to realize, and production efficiency is high.
Three of the object of the invention is, provide a kind of preparation method preparing the radium-shine silver slurry of above-mentioned capacitive touch screen, the construction technology of the method is simple and easy, is easy to realize, and effectively improves operating efficiency.
For achieving the above object, technical scheme provided by the present invention is: the radium-shine silver slurry of a kind of capacitive touch screen, and its raw material comprises the component of following ratio of weight and number:
60 ~ 80 parts, silver powder,
Resin 6 ~ 10 parts,
Solvent 22 ~ 25 parts,
Toner 0.3 ~ 3 part,
Auxiliary agent 1 ~ 5 part,
The particle diameter of wherein said silver powder is 0.0005 ~ 0.0015mm.
Prepare a preparation method for the radium-shine silver slurry of above-mentioned capacitive touch screen, it comprises the following steps:
(1) by resin and solvent, and add thermal agitation 2 ~ 4 hours, to be mixed evenly after, obtain mixed liquor;
(2), after liquid cooling but to be mixed, silver powder, toner and auxiliary agent are added mixture, by mixer high-speed stirred 20 ~ 40 minutes, to be mixed evenly after, obtain slurry;
(3) slurry is added grinder to grind, then filter, obtain the radium-shine silver-colored milk products of capacitive touch screen.
(4) radium-shine for capacitive touch screen silver-colored milk products is loaded jar and seals.
As a modification of the present invention, the particle diameter of described silver powder is 0.0005 ~ 0.0015mm.The particle diameter of silver powder needs to control at below 0.006mm, and can obtain good printing effect, particle diameter is less, and its laser effect can be relatively better, but electric conductivity can be deteriorated relatively.For this reason, tradition adopts the flake silver powder of particle diameter 1 ~ 1.5 micron, but needs effects on surface to process, and to improve the blending performance of itself and resin and solvent, prevents product sedimentation, improves its arrangement performance, improves conductance.The present invention, is considered through many experiments practice and combination property, the particle diameter of silver powder is chosen as 0.0005 ~ 0.0015mm, is uniformly distributed by this silver powder by resin, on the basis ensureing laser effect, also meet the demand of electric conductivity; Described resin is preferably thermoplastic resin, and solvent uses high boiling solvent, guarantees being uniformly distributed of silver powder, also promotes viscosity simultaneously, conforms to power good, after baking, can be bonded on base material preferably, Gu caking property is good.Described auxiliary agent is preferably one or more mixing in levelling agent, thickener, adhesion promoter, and what effectively can strengthen product and base material mates versatility.Described toner is preferably carbon dust, for regulating product colour and viscosity.
Use a using method for the radium-shine silver slurry of above-mentioned capacitive touch screen, it comprises the following steps:
It comprises the following steps:
(1), after can opening, 40 ~ 80 seconds are slowly stirred with inking cutter;
(2) radium-shine for capacitive touch screen silver slurry is poured on printing screen plate and is printed, printed wire line-spacing is equal to or greater than 0.03mm, and thickness is 4 ~ 6 microns;
(3) toast with baking oven after printing, baking temperature is 130 ~ 150 degrees Celsius, and baking time is 40 ~ 60 minutes.
The radium-shine silver slurry of capacitive touch screen of the present invention is applied to capacitive touch screen.
Beneficial effect of the present invention is: the formula that the invention provides capacitive touch screen radium-shine silver slurry is reasonable, and print thickness can be controlled in 4 ~ 6 microns, and resistance homogeneity is good, strong adhesion, and stability is high; The technique of preparation method provided by the invention is simple and easy, be easy to realize, and greatly shortens the production cycle, effectively enhances productivity; Using method technique provided by the invention is simple and easy, can better be attached on most ito film materials and glass baseplate, and adhesive force is excellent, can by hundred lattice tests, and favorable working performance, is easy to realize, effectively improves operating efficiency, be beneficial to wide popularization and application.
Below in conjunction with embodiment, the invention will be further described.
Embodiment
Embodiment 1: the radium-shine silver slurry of a kind of capacitive touch screen that the present embodiment provides, its raw material comprises the component of following ratio of weight and number: 60 parts, silver powder, resin 7 parts, solvent 23 parts, toner 2 parts, auxiliary agent 1 part.
Prepare a preparation method for the radium-shine silver slurry of above-mentioned capacitive touch screen, it comprises the following steps:
(1) by resin and solvent, and add thermal agitation 2 ~ 4 hours, to be mixed evenly after, obtain mixed liquor;
(2), after liquid cooling but to be mixed, silver powder, toner and auxiliary agent are added mixture, by mixer high-speed stirred 20 ~ 40 minutes, to be mixed evenly after, obtain slurry;
(3) slurry is added grinder to grind, then filter, obtain the radium-shine silver-colored milk products of capacitive touch screen.
(4) radium-shine for capacitive touch screen silver-colored milk products is loaded jar and seals.
In the present embodiment, the particle diameter of described silver powder is chosen as 0.0005 ~ 0.0015mm.And by resin, this silver powder is uniformly distributed, on the basis ensureing laser effect, also meet the demand of electric conductivity; Solvent preferably uses high boiling solvent, and described resin is preferably thermoplastic resin, as mylar etc., guarantees being uniformly distributed of silver powder, also promotes viscosity simultaneously, conforms to power good, after baking, can be bonded on base material preferably, Gu caking property is good.Described auxiliary agent is preferably one or more mixing in levelling agent, thickener, adhesion promoter, and what effectively can strengthen product and base material mates versatility.Described toner is preferably carbon dust, for regulating product colour and viscosity.
Use a using method for the radium-shine silver slurry of above-mentioned capacitive touch screen, it comprises the following steps:
(1), after can opening, 40 ~ 80 seconds are slowly stirred with inking cutter;
(2) radium-shine for capacitive touch screen silver slurry is poured on printing screen plate and is printed, printed wire line-spacing is equal to or greater than 0.03mm, and thickness is 4 ~ 6 microns;
(3) toast with baking oven after printing, baking temperature is 130 ~ 150 degrees Celsius, and baking time is 40 ~ 60 minutes.After baking, the radium-shine silver slurry of capacitive touch screen can be attached on most ito film materials and glass baseplate, and adhesive force is excellent, can by hundred lattice tests; And due to the content of silver powder less, carry out high/low temperature test, hot and humid test and salt mist test time, its stability is better, and overall performance is good.
Embodiment 2: a kind of capacitive touch screen that the present embodiment provides radium-shine silver slurry and preparation, using method, it is substantially the same manner as Example 1, difference is that the ratio of weight and number of each component of raw material is different, its raw material comprises the component of following ratio of weight and number: 72 parts, silver powder, resin 6 parts, solvent 22 parts, toner 3 parts, auxiliary agent 2 parts.
Embodiment 3: a kind of capacitive touch screen that the present embodiment provides radium-shine silver slurry and preparation, using method, it is substantially the same manner as Example 1, difference is that the ratio of weight and number of each component of raw material is different, its raw material comprises the component of following ratio of weight and number: 80 parts, silver powder, resin 8 parts, solvent 25 parts, toner 2.5 parts, auxiliary agent 5 parts.
Embodiment 4: a kind of capacitive touch screen that the present embodiment provides radium-shine silver slurry and preparation, using method, it is substantially the same manner as Example 1, difference is that the ratio of weight and number of each component of raw material is different, its raw material comprises the component of following ratio of weight and number: 78 parts, silver powder, resin 10 parts, solvent 24 parts, toner 1 part, auxiliary agent 4 parts.
Embodiment 5: a kind of capacitive touch screen that the present embodiment provides radium-shine silver slurry and preparation, using method, it is substantially the same manner as Example 1, difference is that the ratio of weight and number of each component of raw material is different, its raw material comprises the component of following ratio of weight and number: 65 parts, silver powder, resin 6.5 parts, solvent 22 parts, toner 0.3 part, auxiliary agent 1.5 parts.
Above-described embodiment is only the good execution mode of the present invention, and the present invention can not enumerate out whole execution modes, the technical scheme of one of all employing above-described embodiments, or according to the equivalent variations that above-described embodiment does, all in scope.
The print thickness that the invention provides the radium-shine silver slurry of capacitive touch screen can be controlled in 4 ~ 6 microns, and resistance homogeneity is good.Adopt the surface of antioxidant to silver powder to process simultaneously, coated, can effectively improve its with resin, the blending performance of solvent, prevent product sedimentation, improve its performance of arranging, greatly promote conductance; Carry out high/low temperature test, hot and humid test and salt mist test time, its stability is better, and combination property is superior; After baking, the radium-shine silver slurry of capacitive touch screen can be attached on most ito film materials and glass baseplate, and adhesive force is excellent, can by hundred lattice tests, favorable working performance.The radium-shine silver slurry of capacitive touch screen of the present invention is exclusively used in capacitive touch screen.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned execution mode and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the present invention.As described in the above embodiment the present invention, adopt method same or similar with it and component and other oar material obtained and preparation thereof, application process, all in scope.
Claims (10)
1. the radium-shine silver slurry of capacitive touch screen, it is characterized in that, its raw material comprises the component of following ratio of weight and number:
60 ~ 80 parts, silver powder,
Resin 6 ~ 10 parts,
Solvent 22 ~ 25 parts,
Toner 0.3 ~ 3 part,
Auxiliary agent 1 ~ 5 part,
The particle diameter of wherein said silver powder is 0.0005 ~ 0.0015mm.
2. the radium-shine silver slurry of capacitive touch screen according to claim 1, it is characterized in that, described toner is carbon dust.
3. the radium-shine silver slurry of capacitive touch screen according to claim 1, it is characterized in that, described resin is mylar.
4. the radium-shine silver slurry of capacitive touch screen according to claim 1, is characterized in that, described auxiliary agent is one or more mixing in levelling agent, thickener, adhesion promoter.
5. prepare a preparation method for the radium-shine silver slurry of capacitive touch screen described in claim 1, it is characterized in that, it comprises the following steps:
(1) by resin and solvent, and add thermal agitation 2 ~ 4 hours, to be mixed evenly after, obtain mixed liquor;
(2), after liquid cooling but to be mixed, silver powder, toner and auxiliary agent are added mixture, by mixer high-speed stirred 20 ~ 40 minutes, to be mixed evenly after, obtain slurry;
(3) slurry is added grinder to grind, then filter, obtain the radium-shine silver-colored milk products of capacitive touch screen.
6. preparation method according to claim 5, is characterized in that, it is further comprising the steps of:
(4) radium-shine for capacitive touch screen silver-colored milk products is loaded jar and seals.
7. preparation method according to claim 5, is characterized in that, the particle diameter of described silver powder is 0.0005 ~ 0.0015mm, and described toner is carbon dust, and described resin is mylar.
8. preparation method according to claim 5, is characterized in that, described auxiliary agent is one or more mixing in levelling agent, thickener, adhesion promoter.
9. use a method for the radium-shine silver slurry of capacitive touch screen described in claim 1, it is characterized in that, it comprises the following steps:
(1), after can opening, 40 ~ 80 seconds are slowly stirred with inking cutter;
(2) radium-shine for capacitive touch screen silver slurry is poured on printing screen plate and is printed, printed wire line-spacing is equal to or greater than 0.03mm, and thickness is 4 ~ 6 microns;
(3) toast with baking oven after printing, baking temperature is 130 ~ 150 degrees Celsius, and baking time is 40 ~ 60 minutes.
10. the radium-shine silver slurry of capacitive touch screen described in a claim 1 is applied to capacitive touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510483662.3A CN105139919A (en) | 2015-08-10 | 2015-08-10 | Laser silver paste used for capacitive touch screen as well as preparation method and use method for laser silver paste |
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| CN201510483662.3A CN105139919A (en) | 2015-08-10 | 2015-08-10 | Laser silver paste used for capacitive touch screen as well as preparation method and use method for laser silver paste |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817100A (en) * | 2019-03-15 | 2019-05-28 | 京东方科技集团股份有限公司 | Narrow frame, ultra-narrow frame display device and display panel and its manufacturing method |
| CN110853795A (en) * | 2019-11-22 | 2020-02-28 | 广州精卓化工有限公司 | Laser etching type conductive silver paste and preparation method and application thereof |
| CN112037963A (en) * | 2020-09-02 | 2020-12-04 | 深圳市普瑞威科技有限公司 | Conductive silver paste and preparation method thereof |
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| CN1702779A (en) * | 2004-05-24 | 2005-11-30 | 上海宝银电子材料有限公司 | Conductive silver slurry for touch screen and method for manufacturing same |
| CN102841503A (en) * | 2012-09-18 | 2012-12-26 | 江苏科技大学 | Photolithographic electronic silver paste composition for touch screen and preparation thereof |
| CN103903675A (en) * | 2012-12-28 | 2014-07-02 | 北京中科纳通科技有限公司 | High-stability conductive slurry and preparation method thereof |
| CN104331209A (en) * | 2014-11-27 | 2015-02-04 | 中环高科（天津）股份有限公司 | Method for manufacturing integrated touch capacitive screen by using conductive high molecular materials |
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2015
- 2015-08-10 CN CN201510483662.3A patent/CN105139919A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702779A (en) * | 2004-05-24 | 2005-11-30 | 上海宝银电子材料有限公司 | Conductive silver slurry for touch screen and method for manufacturing same |
| CN102841503A (en) * | 2012-09-18 | 2012-12-26 | 江苏科技大学 | Photolithographic electronic silver paste composition for touch screen and preparation thereof |
| CN103903675A (en) * | 2012-12-28 | 2014-07-02 | 北京中科纳通科技有限公司 | High-stability conductive slurry and preparation method thereof |
| CN104331209A (en) * | 2014-11-27 | 2015-02-04 | 中环高科（天津）股份有限公司 | Method for manufacturing integrated touch capacitive screen by using conductive high molecular materials |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817100A (en) * | 2019-03-15 | 2019-05-28 | 京东方科技集团股份有限公司 | Narrow frame, ultra-narrow frame display device and display panel and its manufacturing method |
| CN109817100B (en) * | 2019-03-15 | 2022-02-11 | 京东方科技集团股份有限公司 | Narrow-frame and ultra-narrow-frame display device, display panel and manufacturing method thereof |
| CN110853795A (en) * | 2019-11-22 | 2020-02-28 | 广州精卓化工有限公司 | Laser etching type conductive silver paste and preparation method and application thereof |
| CN112037963A (en) * | 2020-09-02 | 2020-12-04 | 深圳市普瑞威科技有限公司 | Conductive silver paste and preparation method thereof |
| CN112037963B (en) * | 2020-09-02 | 2022-05-06 | 深圳市普瑞威科技有限公司 | Conductive silver paste and preparation method thereof |
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Application publication date: 20151209 |