CN109975527A - A kind of appraisal procedure of electronic material ink impressionability - Google Patents
A kind of appraisal procedure of electronic material ink impressionability Download PDFInfo
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- CN109975527A CN109975527A CN201910187208.1A CN201910187208A CN109975527A CN 109975527 A CN109975527 A CN 109975527A CN 201910187208 A CN201910187208 A CN 201910187208A CN 109975527 A CN109975527 A CN 109975527A
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- ink
- electronic material
- material ink
- impressionability
- viscosity
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- 239000012776 electronic material Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 33
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000011161 development Methods 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000012216 screening Methods 0.000 abstract description 2
- 238000010998 test method Methods 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 70
- 238000007639 printing Methods 0.000 description 15
- 239000010408 film Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000007641 inkjet printing Methods 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010866 blackwater Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/32—Paints; Inks
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Ink Jet (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
The invention belongs to electronic material ink analysis fields, disclose a kind of appraisal procedure of electronic material ink impressionability.The specific steps of the method are as follows: use viscosity-temperature curve, creep and the recovery of rotational rheometer test electronic material ink；Using the surface tension of liquid drop analyzer test electronic material ink, gained test result is compared with standard conditions, the impressionability of assessment electronics material ink.The present invention solves the problems, such as printed electronic material ink olighydria System Assessment Method, screening and optimization to ink impressionability have very significant meaning, can push the development of printed electronic industry with easy ink test method.
Description
Technical field
The invention belongs to electronic material ink analysis fields, and in particular to a kind of assessment of electronic material ink impressionability
Method.
Background technique
Different from traditional thin film deposition processes, ink-jet printing process is due to having direct patterned characteristic, it will pole
Big process simplification and reduction cost.Ink jet printing film increasingly shows its application in flexible Large area electronics
Potentiality.Ink-jet printing process, which usually requires to pour into ink into specific clip, to be printed, and to the physics of ink, chemical property
Have compared with strict requirements.In the research experiment stage, the type of printing ink, formula often change, and often result in printing effect and pay no attention to
Think, if only will cause material using the spreadability of final printing film forming and film performance as the judgment criteria of ink impressionability
Utilization rate is low and the waste of manpower.The appraisal procedure for establishing scientific and effective ink impressionability can predict that ink prints
Flow process when brush has directive significance to the performance raising of ink jet printing electronic material film, pushes industry development.
It is usually all the form after the observation and film forming to printing state to the evaluation method of printed electronic material ink
It is analyzed, comprising: the situation out of ink of spray head is observed, is formed a film rear film Morphological Characterization (petrographic microscope, white light interferometer etc.),
Electrical performance testing etc..These tests have certain hysteresis quality, and quantization signifying cannot be carried out to electronic material ink itself, special
It is not that valuable reference is not provided to repeatability and the stability aspect of printing.
Summary of the invention
In place of shortcoming and defect existing for the above existing detection technique, the purpose of the present invention is to provide a kind of electronics
The appraisal procedure of material ink impressionability.The method of the present invention uses rotational rheometer and liquid drop analyzer assessment electronics material ink
Water impressionability, to orient adjustment ink set or printing parameter.
The object of the invention is achieved through the following technical solutions:
A kind of appraisal procedure of electronic material ink impressionability, specific steps are as follows: test electronics using rotational rheometer
Viscosity-temperature curve, creep and the recovery of material ink；Using the surface tension of liquid drop analyzer test electronic material ink, by gained
Test result is compared with standard conditions, the impressionability of assessment electronics material ink.
Further, the rotational rheometer uses 40 model of HAAKE MARS.
Further, the liquid drop analyzer uses Biolin Attention model.
The principle of the present invention are as follows:
Ink jet printing usually has certain requirement to physical characteristics such as the viscosity of electronic ink material, surface tension.Measurement
Viscosity-temperature curve, creep and the recovery and surface tension data of electronic ink material, can be with dynamical feedback various temperature under the conditions of
Ink is by the change procedure of viscosity before and after spray head when printing, and sprawls process after being in contact with substrate, thus assessment electronics
The impressionability of material ink.For the viscosity of fluid, usually decline with temperature raising.The printing of electronic material
Environment is changeable, grasps the viscosity situation under different temperatures, could really reflect the flowing property of ink, judge its stability and paving
Malleability prints the parameter that provides the foundation for ink.After spray head shearing, viscous-elastic behaviour is possible to become ink
Change, usually can be thinning after shearing for printable electric ink, there are a segment structure (viscosity) before contacting substrate
Recovery process, by creep and test can be restored come the variation of analog sample viscosity and recovery and judge its recovery extent.Phase
Compared with ink droplet extrusion nozzle by the process sheared, the time that ink flies in the sky was much larger than by the time sheared, therefore black
Water has time enough to be restored.Ink jet printing also has certain requirement, the too small meeting of surface tension to the surface tension of ink
Cause ink droplet injection unstable, printing precision reduces, too big ink to be hindered to spray.
The invention has the following advantages and beneficial effects:
The present invention solves asking for printed electronic material ink olighydria System Assessment Method with easy ink test method
Topic, screening and optimization to ink impressionability have very significant meaning, can push the development of printed electronic industry.
Detailed description of the invention
Fig. 1 is the viscosity-temperature test curve figure of electronic material ink samples 1 in embodiment 1；
Fig. 2 is creep and the recovery test curve figure of electronic material ink samples 1 in embodiment 1；
Fig. 3 is the surface tension test curve figure of electronic material ink samples 1 in embodiment 1；
Fig. 4 is the viscosity-temperature test curve figure of electronic material ink samples 2 in embodiment 2；
Fig. 5 is creep and the recovery test curve figure of electronic material ink samples 2 in embodiment 2；
Fig. 6 is the surface tension test curve figure of electronic material ink samples 2 in embodiment 2；
Fig. 7 is the viscosity-temperature test curve figure of electronic material ink samples 3 in embodiment 3；
Fig. 8 is creep and the recovery test curve figure of electronic material ink samples 3 in embodiment 3；
Fig. 9 is the surface tension test curve figure of electronic material ink samples 3 in embodiment 3.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1
The impressionability of the electronic material ink samples 1 (dicyandiamide solution is ethyl alcohol: 70% glycerol=1:1) of the present embodiment
Appraisal procedure, with Dimatix2800 printer (printing equipment), HAAKE MARS 40 (rotational rheometer) and Biolin
It discusses for Attention (liquid drop analyzer).It is 4-20cps that Dimatix2800 printer, which requires the viscosity of ink,
(0.004-0.02Pas), 26~60dynes/cm of surface tension requirements (26~60mN/m), nozzle temperature, voltage are adjustable (25
DEG C -70 DEG C, 10V-30V).The present embodiment is tested and is commented to electronic material ink using rotational rheometer and liquid drop analyzer
The method for estimating its impressionability is as follows:
(1) electronic material ink 1-2ml to be measured is instilled in rotational rheometer cavity, shear rate 10s is set-1, temperature
From 25 DEG C to 70 DEG C, sample viscosity-temperature curve is measured, as shown in Figure 1, sample viscosity is 30mPas at room temperature, temperature is increased to 60 DEG C
Being reduced to 20mPas later, when being printed using Dimatix2800 printer, nozzle temperature must not hereinafter, illustrating the ink
Lower than 60 DEG C.
(2) three sections of different shear rate tests: 0.1s are respectively set-14 minutes, 10s-18 minutes, 0.1s-18 minutes (low to cut
Cut and allow its spontaneous recovery), it obtains such as Fig. 2 result.Viscosity is rapidly reduced to 10mPas to sample 1 at high shear rates, by 8s
Restore afterwards to 90% or so of former viscosity, illustrates that this ink is not suitable for Dimatix2800 formula rapid printer.
(3) electronic material ink 1-2ml to be measured is fitted into liquid drop analyzer dropper, slowly squeezes out dropping liquid drop and resembles a pear in shape
It is suspended on dropper, tests its surface tension in air, as a result such as Fig. 3, ink tension are 22mN/m, are met the requirements.
It can be obtained by the interpretation of result of embodiment 1, using the appraisal procedure of electronic material ink impressionability of the present invention
Ink is detected and analyzed, the evaluation to sample 1 is obtained are as follows: at 60 DEG C or more, viscosity is nozzle temperature when printing
20mPas, viscosity (4-20mPas) within recommended range, can achieve viscosity requirement, and printing effect is best；Ink exists
After jetting nozzle, experience 8s could restore 90% viscosity, although its viscosity after shearing can be restored, be taken
Between relatively long, it is believed that it is not suitable for Dimatix2800 formula rapid printer；Surface tension meets printer for 22mN/m and wants
Plug-hole will not occur for the range asked, injection.
Embodiment 2
The present embodiment uses sample 2 (dicyandiamide solution is ethyl alcohol: ethylene glycol=1:1) as tested inks, and test condition is equal
It is same as Example 1, viscosity-temperature test curve figure, creep and the recovery test curve figure of test gained sample and surface
Tension test curve graph difference is as shown in Figure 4, Figure 5 and Figure 6.
As shown in figure 4, sample viscosity is 8mPas at room temperature, temperature is reduced to 5.5mPas, explanation after being increased to 60 DEG C
20 DEG C -60 DEG C of temperature range may be selected in ink nozzle temperature when being printed using Dimatix2800 printer.
As shown in figure 5, viscosity from 9mPas drops to 8mPas to sample 2 at high shear rates, variation less, illustrates this ink
Water stability is good, and creep does not occur, and is suitable for Dimatix2800 formula rapid printer.
As shown in fig. 6, ink tension is 48mN/m, meet the requirements.
It can be obtained by the interpretation of result of embodiment 2, using the appraisal procedure of electronic material ink impressionability of the present invention
Ink is detected and analyzed, the evaluation to sample 2 is obtained are as follows: at 20-60 DEG C or more, viscosity is nozzle temperature when printing
8-9mPas, viscosity (4-20mPas) within recommended range, can achieve viscosity requirement；Ink glues after jetting nozzle
Degree does not change substantially, and stability is good, and it is suitable for Dimatix2800 formula rapid printers；Surface tension is full for 48mN/m
Plug-hole will not occur for the range that sufficient printer requires, injection.
Embodiment 3
The present embodiment uses sample 3 (dicyandiamide solution is cyclohexanol: water=1:1) as tested inks, test condition with
Embodiment 1 is identical, viscosity-temperature test curve figure, creep and the recovery test curve figure of test gained sample and surface
Power test curve figure difference is as shown in Figure 7, Figure 8 and Figure 9.
As shown in fig. 7, sample viscosity is 80mPas at 20 DEG C, temperature is rapidly reduced to 40mPas after being increased to 25 DEG C,
Temperature be increased to 60 DEG C after down to 20mPas, illustrate that the ink is very sensitive to temperature, using Dimatix2800 printer into
Nozzle temperature is greater than 60 DEG C of temperature range when row printing.
As shown in figure 8, viscosity from > 80mPas drops to 40mPas to sample 3 at high shear rates, and for a long time can not
Restore, creep and irreversible occurs, illustrates that this ink is not suitable for Dimatix2800 formula rapid printer.
As shown in figure 9, ink tension is 72mN/m, needing suitably to reduce tension just can be quick with Dimatix2800 formula
Printer is printed.
It can be obtained by the interpretation of result of embodiment 3, using the appraisal procedure of electronic material ink impressionability of the present invention
Ink is detected and analyzed, the evaluation to sample 3 is obtained are as follows: at 60 DEG C or more, viscosity is nozzle temperature when printing
20mPas can achieve viscosity requirement；Ink is after jetting nozzle, and viscosity is from 80mPas drop by half to stability is poor, uncomfortable
For Dimatix2800 formula rapid printer；Surface tension is the range that 72mN/m is greater than that printer requires, and injection may be sent out
Raw plug-hole, this ink are not suitable for Dimatix2800 formula rapid printer and are printed.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (3)
1. a kind of appraisal procedure of electronic material ink impressionability, it is characterised in that specific steps are as follows: use rotational rheometer
Test viscosity-temperature curve, creep and the recovery of electronic material ink；Use the surface of liquid drop analyzer test electronic material ink
Power compares gained test result with standard conditions, the impressionability of assessment electronics material ink.
2. a kind of appraisal procedure of electronic material ink impressionability according to claim 1, it is characterised in that: the rotation
Turn rheometer using 40 model of HAAKE MARS.
3. a kind of appraisal procedure of electronic material ink impressionability according to claim 1, it is characterised in that: the liquid
It drips analyzer and uses Biolin Attention model.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910187208.1A CN109975527A (en) | 2019-03-13 | 2019-03-13 | A kind of appraisal procedure of electronic material ink impressionability |
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| CN201910187208.1A CN109975527A (en) | 2019-03-13 | 2019-03-13 | A kind of appraisal procedure of electronic material ink impressionability |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111551697A (en) * | 2020-05-27 | 2020-08-18 | 上海应用技术大学 | Method for rapidly evaluating long-term stability of ball-point pen ink composition containing thickening system |
| CN113092738A (en) * | 2021-04-15 | 2021-07-09 | 武汉理工大学 | High-throughput screening method for strong thixotropy ink |
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| CN113092738A (en) * | 2021-04-15 | 2021-07-09 | 武汉理工大学 | High-throughput screening method for strong thixotropy ink |
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