CN105774267A - Method for carrying out ink jet printing on RFID tag antenna based on particle-free conductive ink - Google Patents
Method for carrying out ink jet printing on RFID tag antenna based on particle-free conductive ink Download PDFInfo
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- CN105774267A CN105774267A CN201410795858.1A CN201410795858A CN105774267A CN 105774267 A CN105774267 A CN 105774267A CN 201410795858 A CN201410795858 A CN 201410795858A CN 105774267 A CN105774267 A CN 105774267A
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Abstract
The invention relates to a method for carrying out ink jet printing on an RFID tag antenna based on particle-free conductive ink. The method comprises the following specific steps that the particle-free conductive ink is selected; a pet film is washed with deionized water and then extracted in a mixed solution of ethyl alcohol, ethyl acetate and acetone for 24 hours, oil dirt and dust on the pet surface are removed, and the pet film is dried in a vacuum oven at the temperature being 90 DEG C for standby application after being taken out; the treated pet film is preheated to be subjected to corona treatment, and a modified pet film is obtained; and the RFID tag antenna is printed. According to the method, corona treatment is utilized for carrying out surface modification on polyethylene terephthalate of a printing base material, a base material polyester film which is suitable for ink jet printing with the particle-free conductive ink and has excellent printability is obtained, and then the high-quality conductive RFID tag antenna is manufactured with the base material polyester film. According to the method, the quality of the printed tag antenna is improved; through detection, the adsorption capacity of the pet film subjected to corona treatment to the ink is high, and the electrical conductivity and the readable degree of the printed tag antenna are greatly improved.
Description
Technical field
The invention belongs to electronic label technology field, especially a kind of method based on agranular type conductive ink ink jet printing RFID label antenna.
Background technology
Along with the fast development of the Internet, radio RF recognition technology (RFID) rapidly becomes a huge potentiality market, adopts printed electronics to print a kind of trend that RFID label antenna becomes following.Ink jet printing is to be ejected into stock with certain speed from fine nozzle by ink, and it has without advantages such as forme, contactless and accurate formings, and ink jet printing becomes the first-selected mode of printing of prints labels antenna with its distinctive advantage.Ink jet printing is to reproduce image by ink droplet, and ink droplet is the elementary cell of pie graph picture.The quality of ink jet printing image quality depends on the interaction of ink and stock, and generally, ink-jet printing system can adopt special ink and stock, to reach the best coupling between ink and stock, obtains the desirable printing effect of the best.
On plastic sheeting, image quality is that the attachment by its surface realizes, and this Wuli-Shili-Renli system approach with film surface is closely related, including film surface moistening, sprawl, the factor such as surface polarity and roughness.And the surface tension depending mainly on the size of ink and film exhibits of the adhesive force of plastic sheeting curing ink.
At present, agranular type printing conductive ink RFID tag is adopted to be also at the explorative experiment stage, process for agranular type printing conductive ink RFID tag base material pet does not have clear and definite standard, this brings great inconvenience to the printing of RFID label antenna, is particularly brought great inconvenience based on agranular type conductive ink ink jet printing RFID label antenna.
By retrieving, not yet find the patent publication us relevant to present patent application.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art part, it is provided that a kind of method is simple, easily operated, improves the method based on agranular type conductive ink ink jet printing RFID label antenna of the quality of prints labels antenna.
To achieve these goals, the technical solution adopted in the present invention is as follows:
A kind of method based on agranular type conductive ink ink jet printing RFID label antenna, specifically comprises the following steps that
(1) the selection of printing-ink:
Selection viscosity is 5-15cps, and surface tension is 20-32 × 10-3The agranular type conductive ink of N/m；
(2) it is modified base material polyethylene terephthalate processing:
Pet thin film pretreatment before sided corona treatment: by pet thin film after deionized water wash, ethanol, ethyl acetate, acetone mixed solution in extract 24 hours, remove the greasy dirt on pet surface and dust, after taking-up in the vacuum oven of 90 DEG C dry for standby, the pet thin film that must handle well；
The pet thin film handled well is preheated to 30-40 DEG C, under firm power 10-18kw, on corona treatment, carries out current intensity for 2-10A sided corona treatment with the speed of 8-15m/min, obtain the pet thin film after modification；
(3) print RFID label antenna: use the pet thin film after modification to carry out ink-jet printed RFID label antenna, obtain RFID label antenna.
And, described step (1) in the viscosity of agranular type conductive ink be 5.83cps, surface tension be 25.3 × 10-3N/m。
The present invention obtain advantage and have the benefit effect that
1, this method prints RFID label antenna in the way of agranular type conductive ink adopts ink jet printing in base material polyethylene terephthalate (pet), the method uses sided corona treatment that printing element polyethylene terephthalate is carried out surface modification, obtain being applicable to agranular type conductive ink ink jet printing, there is the substrate polyester film of excellent printability, re-use the conduction RFID label antenna of its prepared high-quality, the method increase the quality of prints labels antenna, after testing, the pet thin film that sided corona treatment the is crossed high adsorption capacity to ink, the electric conductivity of the label antenna printed, recognition rate is improved significantly.
2, this method adopts corona treatment process that pet surface is processed, and improves pet surface polarity, improves film surface tension force；Simultaneously, it is possible to make pet film surface alligatoring, increase " roughness " so that it is the adhesion of ink being increased, thus improve the fastness of the ink marking, improve printing quality；It addition, the method is simple, easy to operate, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the inventive method and the flow chart of correlated results detection；
The water being modified base material polyethylene terephthalate processing of Fig. 2 the inventive method is at the graph of a relation of pet film surface contact angle Yu current intensity；
Fig. 3 is the surface tension being modified base material polyethylene terephthalate processing and the sided corona treatment current intensity graph of a relation of this method.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described；Following embodiment is illustrative, is not determinate, it is impossible to limit protection scope of the present invention with following embodiment.
The method used in the present invention, if no special requirements, is the conventional method of this area.
The inventive method ink jet printing requirement to printing-ink:
Particularity due to ink jet printing, it is necessary to ink jet inks necessary low surface tension, low viscosity, the viscosity of agranular type conductive ink of the present invention is 5-15cps, and surface tension is 20-32 × 10-3N/m.And to improve printing quality and base material pet will be done modification, base material pet is carried out sided corona treatment by the present invention, adopts optimum process parameter, obtains being suitable for the optimum print substrate pet thin film of ink jet printing.
The ethanol that uses in the present invention, ethyl acetate, acetone mixed solution, this mixed solution is a simple process to pet surface, simply to remove greasy dirt and the dust on pet surface, its proportionate relationship can be not particularly limited, such as volume ratio can be 1:1:1, or other is all possible.
Embodiment 1
A kind of method based on agranular type conductive ink ink jet printing RFID label antenna, specifically comprises the following steps that
(1) the selection of printing-ink:
Selection viscosity is 5cps, surface tension is 20 × 10-3The agranular type conductive ink of N/m；
(2) it is modified base material polyethylene terephthalate (pet thin film) processing:
Pet thin film pretreatment before sided corona treatment: by pet thin film after deionized water wash, ethanol, ethyl acetate, acetone mixed solution in extract 24 hours, remove the greasy dirt on pet surface and dust, after taking-up in the vacuum oven of 90 DEG C dry for standby, the pet thin film that must handle well；
The pet thin film handled well is preheated to 30 DEG C, under firm power 10kw, on corona treatment, carries out current intensity for 2-10A sided corona treatment with the speed of 8m/min, obtain the pet thin film after modification；
(3) print RFID label antenna: use the pet thin film after modification to carry out ink-jet printed RFID label antenna, obtain RFID label antenna.
Embodiment 2
A kind of method based on agranular type conductive ink ink jet printing RFID label antenna, it is characterised in that: specifically comprise the following steps that
(1) the selection of printing-ink:
Selection viscosity is 10cps, and surface tension is 27 × 10-3The agranular type conductive ink of N/m；
(2) it is modified base material polyethylene terephthalate processing:
Pet thin film pretreatment before sided corona treatment: by pet thin film after deionized water wash, ethanol, ethyl acetate, acetone mixed solution in extract 24 hours, remove the greasy dirt on pet surface and dust, after taking-up in the vacuum oven of 90 DEG C dry for standby, the pet thin film that must handle well；
The pet thin film handled well is preheated to 35 DEG C, under firm power 14kw, on corona treatment, carries out current intensity for 7A sided corona treatment with the speed of 10m/min, obtain the pet thin film after modification；
(3) print RFID label antenna: use the pet thin film after modification to carry out ink-jet printed RFID label antenna, obtain RFID label antenna.
Embodiment 3
A kind of method based on agranular type conductive ink ink jet printing RFID label antenna, specifically comprises the following steps that
(1) the selection of printing-ink:
Selection viscosity is 5.83cps, and surface tension is 25.3 × 10-3The agranular type conductive ink of N/m；
(2) it is modified base material polyethylene terephthalate processing:
Pet thin film pretreatment before sided corona treatment: by pet thin film after deionized water wash, ethanol, ethyl acetate, acetone mixed solution in extract 24 hours, remove the greasy dirt on pet surface and dust, after taking-up in the vacuum oven of 90 DEG C dry for standby, the pet thin film that must handle well；
The pet thin film handled well is preheated to 40 DEG C, under firm power 18kw, on corona treatment, carries out current intensity for 10A sided corona treatment with the speed of 15m/min, obtain the pet thin film after modification；
(3) print RFID label antenna: use the pet thin film after modification to carry out ink-jet printed RFID label antenna, obtain RFID label antenna.
The related test results of the inventive method:
Selecting commercially untreated pet thin film, pet thin film carries out the collection of the laggard line sample of sided corona treatment under different power.30 × 100mm style is for the measurement of contact angle；40 × 250mm is used for capillary measurement.
The basic ideas of coherent detection:
1, pet thin film carrying out sided corona treatment, processing corona discharge power is 2A, 4A, 6A, 8A, 10A, and sample preparation.
2, the pet thin film processed is carried out the measurement of contact angle Θ.
3, the pet thin film processed is carried out capillary test.
4, it is analyzed experimental data processing.
Pet surface is carried out sided corona treatment, analysis chart as shown in Figure 1: Fig. 1 represents the relation of pet surface tension and sided corona treatment current intensity.It can be seen that sided corona treatment current intensity is within the specific limits (less than 8A), pet surface tension increases with the increase of current intensity, but current intensity is more than 8A, and electric current increases, and surface can reduce, and surface tension reduces.This shows, in certain process power bracket, the pet film surface polarity through sided corona treatment strengthens, and surface tension increases, and contributes to attachment and the bonding of ink.
Fig. 2 represents pet thin film and distilled water contact angle and the relation processing current intensity.It can be seen that contact angle reduces with the increase of the current intensity of sided corona treatment in logical figure, but tending towards stability state after increasing to a certain degree, process current intensity more than after 8A, intensity is more big, and contact angle can present the trend of rising.This shows, in certain electricity reason power bracket, pet thin film is after sided corona treatment, and surface activity increases, and is conducive to liquid at its unfolded surface.
Conclusion:
By controlling sided corona treatment parameter, through the pet thin film of sided corona treatment, reduce the contact angle of ink and pet thin film；Improve surface energy, surface tension can increase by 7～8 × 10-3N/m, it is possible to reach 52 × 10-3More than N/m, enhances the adhesion of pet thin film and ink pellet surface, also improves the ink wettability at pet film surface simultaneously.By ink jet printing, agranular type conductive ink being printed on the pet that sided corona treatment is crossed RFID label antenna, show through last test result, the pet thin film the processed high adsorption capacity to ink, the electric conductivity of the label antenna of printing, recognition rate are greatly improved.
Claims (2)
1. the method based on agranular type conductive ink ink jet printing RFID label antenna, it is characterised in that: specifically comprise the following steps that
(1) the selection of printing-ink:
Selection viscosity is 5-15cps, and surface tension is 20-32 × 10-3The agranular type conductive ink of N/m；
(2) it is modified base material polyethylene terephthalate processing:
Pet thin film pretreatment before sided corona treatment: by pet thin film after deionized water wash, ethanol, ethyl acetate, acetone mixed solution in extract 24 hours, remove the greasy dirt on pet surface and dust, after taking-up in the vacuum oven of 90 DEG C dry for standby, the pet thin film that must handle well；
The pet thin film handled well is preheated to 30-40 DEG C, under firm power 10-18kw, on corona treatment, carries out current intensity for 2-10A sided corona treatment with the speed of 8-15m/min, obtain the pet thin film after modification；
(3) print RFID label antenna: use the pet thin film after modification to carry out ink-jet printed RFID label antenna, obtain RFID label antenna.
2. the method based on agranular type conductive ink ink jet printing RFID label antenna according to claim 1, it is characterised in that: described step (1) in the viscosity of agranular type conductive ink be 5.83cps, surface tension be 25.3 × 10-3N/m。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481180A (en) * | 2019-07-05 | 2019-11-22 | 成都科愿慧希科技有限公司 | The method that ink jet printing prepares antenna |
| CN112954908A (en) * | 2021-01-28 | 2021-06-11 | 上海电子信息职业技术学院 | Textile circuit manufacturing method based on ink-jet printing and chemical deposition |
| CN113191473A (en) * | 2021-01-26 | 2021-07-30 | 上海电子信息职业技术学院 | Method for manufacturing fabric wearable radio frequency tag based on ink-jet printing technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110481180A (en) * | 2019-07-05 | 2019-11-22 | 成都科愿慧希科技有限公司 | The method that ink jet printing prepares antenna |
| CN113191473A (en) * | 2021-01-26 | 2021-07-30 | 上海电子信息职业技术学院 | Method for manufacturing fabric wearable radio frequency tag based on ink-jet printing technology |
| CN112954908A (en) * | 2021-01-28 | 2021-06-11 | 上海电子信息职业技术学院 | Textile circuit manufacturing method based on ink-jet printing and chemical deposition |
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