CN106433310A - Ink, sensitive layer, biosensor and preparation method of ink - Google Patents
Ink, sensitive layer, biosensor and preparation method of ink Download PDFInfo
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- CN106433310A CN106433310A CN201610821879.5A CN201610821879A CN106433310A CN 106433310 A CN106433310 A CN 106433310A CN 201610821879 A CN201610821879 A CN 201610821879A CN 106433310 A CN106433310 A CN 106433310A
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- water
- ink
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- dispersion liquid
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
Abstract
The invention discloses ink, a sensitive layer, a biosensor and a preparation method of the ink. The preparation method of the ink used for ink-jet printing of the sensitive layer of the biosensor comprises the following steps: S1, preparing certain mass of water-soluble polymer with average molecular weight less than 20000, mesoporous material dispersion liquid, a water-soluble organic solvent, a surfactant and water; S2, mixing and stirring the water-soluble polymer, the water-soluble organic solvent and water uniformly so that the water-soluble polymer is fully dissolved; S3, adding the surfactant and the mesoporous material dispersion liquid to the mixed solution; S4, carrying out filtration to obtain a filtrate and preparing ink, wherein the ink contains the following components in the step S1 by mass fraction: 1-6% of water-soluble polymer, 1-10% of mesoporous material dispersion liquid, 10-20% of water-soluble organic solvent, 0.1-2% of surfactant and the balance of water. The ink is suitable for ink-jet printing to prepare the biosensor. The prepared biosensor has higher sensitivity.
Description
【Technical field】
The present invention relates to the preparation of biosensor, the more particularly to ink jet ink of inkjet printing biological sensor sensing layer
Water, the preparation of biosensor.
【Background technology】
With the continuous development of sensor technology, its application in fields such as biology, medical treatment, environment, health gets more and more.
Electronic Nose, electronic tongues etc. one class is used for the bio-sensor system of material detection, it usually needs modify specific in substrate
Sensitive layer material, to reach the detection to target substance.Different biosensors has different to modification mode and precision
Require.Inkjet technology is a kind of convenient, efficient, specification image-forming technology, highly developed, and is widely used,
It has, and print speed is fast, and positioning precision is high, simple operation and other advantages.The quick of biosensor is printed using inkjet printing mode
During sense layer, usually biochemical sensitive material is deployed into ink, commercial ink-jet printer is carried out repacking and enables in substrate
The ink that printout surface is prepared, ink injection is formed in fiber waveguide substrate thin film.
Because ink need to meet the requirement of printing, for example, the viscosity of ink, surface tension, conductivity, acid-base value all need completely
Foot is certain to be required, so as to ensure ink up-to-standard without blocking and damaging shower nozzle.Based on the requirement printing, can be used for beating
The selectivity of the ink material of print biological sensor sensing layer is less, and the biosensor being obtained after printing also generally existing spirit
The not high problem of sensitivity.
【Content of the invention】
The technical problem to be solved is：Make up above-mentioned the deficiencies in the prior art, propose a kind of ink, sensitivity
Layer, biosensor and preparation method thereof, this ink is suitable to inkjet printing and prepares biosensor, and the biosensor being obtained
Sensitivity higher.
The technical problem of the present invention is solved by following technical scheme：
A kind of preparation method of the ink for inkjet printing biological sensor sensing layer, comprises the following steps：S1, prepares
The water-soluble polymer that the mean molecule quantity of certain mass is less than 20000, mesoporous material dispersion liquid, water-miscible organic solvent, table
Face activating agent and water；S2, described water-soluble polymer, water-miscible organic solvent and water mixing and stirring make described water-soluble
Property polymer fully dissolves；S3, the mixing that described surfactant and described mesoporous material dispersion liquid addition step S2 are obtained
In solution；S4, filters, obtains filtrate, and described ink is obtained；Wherein, in step S1, the quality of each material makes in described ink
The mass fraction of component be：1～6% water-soluble polymer, 1～10% mesoporous material dispersion liquid, 10～20% water
Solubleness organic solvent, the surfactant of 0.1%-2%, remaining is water.
The technical problem of the present invention is solved by technical scheme further below：
A kind of ink for inkjet printing biological sensor sensing layer, including the component of following mass fraction：1～6%
Mean molecule quantity be less than 20000 water-soluble polymer, 1～10% mesoporous material dispersion liquid, 10～20% water solublity
Organic solvent, the surfactant of 0.1%-2%, remaining is water.
A kind of sensitive layer in biosensor, described sensitive layer is obtained through inkjet printing post-drying by ink as above
Arrive.
A kind of biosensor, including substrate and suprabasil sensitive layer, described sensitive layer is sensitive layer as above.
A kind of preparation method of biosensor, comprises the following steps：U1, prepares the base material of biosensor；U2,
Ink jet as above is printed on described base material；U3, by the ink on described base material in vacuum environment
Lower drying, forms sensitive layer, prepared biosensor on described base material.
The beneficial effect that the present invention is compared with the prior art is：
The ink of the present invention, as water-soluble polymer and the mesoporous material dispersion liquid of sensitive layer, water-miscible organic solvent,
Surfactant obtains according to certain mass fraction proportioning.On the one hand, live in the water-miscible organic solvent adding in ink and surface
Property agent enable polymeric material effectively soluble in water it is ensured that the overall print performance of the ink prepared, particularly viscosity, thus
Meet inkjet printing requirement.On the other hand, the mesoporous material of setting has big specific surface area, thus ink is obtained after printing
The sensitive layer of bio-sensing, finally can improve the specific surface area of sensitive layer, and then improve the sensitivity of biosensor.Experience
Card, the sensitivity of the biosensor of the present invention improves more than 10% with respect to existing biosensor.Additionally, mesoporous material
Material also has flourishing orderly pore passage structure, it helps the structural strength of sensitive layer and physical and chemical performance that lifting prints.
The ink of the present invention is not only adapted to inkjet printing, and the performance of biosensor being obtained after inkjet printing is also preferable, applicable
Application scenarios in requirements at the higher level.
【Brief description】
Fig. 1 is that the biosensor being obtained in the experimental example 1 of the specific embodiment of the invention detects spirit during acetone gas
Sensitivity detective curve figure；
Fig. 2 be the specific embodiment of the invention experimental example 1 in reference biosensor detect acetone gas when spirit
Sensitivity detective curve figure；
Fig. 3 is that the biosensor being obtained in the experimental example 2 of the specific embodiment of the invention detects spirit during acetone gas
Sensitivity detective curve figure；
Fig. 4 be the specific embodiment of the invention experimental example 2 in reference biosensor detect acetone gas when spirit
Sensitivity detective curve figure.
【Specific embodiment】
With reference to specific embodiment and compare accompanying drawing the present invention is described in further details.
Idea of the invention is that：Although the direct plated films such as inkjet technology coats compared to sensitive layer, sputtering are in substrate
Scheme there is positioning precision advantage high, easy and simple to handle, but inkjet printing for ink have printing require, ink need to be controlled
Viscosity, the property such as surface tension and PH, guarantee shower nozzle is not blocked and damages.Based on this, ink set makes in material
Less with aspect selectivity, typically it mostly is single polymeric material, the sensitive layer made also is single polymeric material
Material, the performance such as conduction, heat conduction, sensitivity and structural strength that this also leads to prepared biosensor is generally relatively low.
The present invention improves from the formula of ink.Mesoporous material aperture, typically in 2～50nm, is added to polymer ink
It is not result in water that viscosity of ink etc. is subject to too big impact, meet the requirement of inkjet printing.Meanwhile, mesoporous material is a kind of tool
There are high specific surface area, regular pore passage structure, it is possible to achieve the physical absorption of a large amount of molecules.Some mesoporous materials are also
Catalytic action can be played in some physical-chemical reactions, sensitive layer adds the mesoporous material of particular characteristic, to sensitivity
The conduction of layer, heat conductivility also have huge lifting.Therefore consider mesoporous material is added in polymer sensitive layer solution.
When adding mesoporous material improvement, not only need the above-mentioned printing property in view of ink, also need to consider the mesoporous material adding certainly
The dissolubility of body, dispersibility, the factor such as impact to polymer solubility.Based on many considerations, finally propose by water-soluble
The inkjet printing that property polymer, mesoporous material dispersion liquid, water-miscible organic solvent, surfactant are obtained according to a certain ratio
Ink set.This ink set, is on the one hand suitable to inkjet printing, on the other hand can improve the property of the biosensor being finally obtained
Energy.
This specific embodiment provides a kind of ink for inkjet printing biological sensor sensing layer, including following quality
The component of fraction：The water-soluble polymer that 1～6% mean molecule quantity is less than 20000,1～10% mesoporous material dispersion liquid,
10～20% water-miscible organic solvent, the surfactant of 0.1%-2%, remaining is water.
Wherein, choose mean molecule quantity and be less than 20000 water-soluble polymer and print it can be ensured that not gambling plug during ink printed
Shower nozzle.Polymer can for polyvinyl alcohol (PVA), Polyethylene Glycol (PEG), polyacrylic acid (PAA), Polyvinylpyrrolidone (PVP),
One of polyquaternary ammonium salt.Polymer is sensitive material, plays the effect of sensitive layer detecting material subsequently through polymer, can root
Detection demand according to the biosensor of preparation is selected, and for example, when making detects the biosensor of acetone gas, can be selected for gathering
Vinyl alcohol or Polyvinylpyrrolidone are as polymer.The species of polymer is not limited to the situation of above-mentioned example.
Mesoporous material dispersion liquid can be single-walled carbon nanotube dispersion liquid, multi-walled carbon nano-tubes dispersion liquid, nanometer titanium dioxide
The mixing of one or more of silicon dispersion liquid, nano titanium oxide dispersion.According to the difference of the mesoporous material type chosen,
Different to the performance improvement of the sensitive layer being subsequently obtained.For example, nano silicon can improve thermostability, light transmission and catalysis
Property.Nano titanium oxide can improve heat stability and catalytic.Usually, mesoporous material dispersion liquid includes mesoporous material, dispersion
Agent and solvent.Dispersant therein can make nano level mesoporous material granule obtain enough active forces and mutually disperse, thus
Avoid reuniting.Mesoporous material is added in system it can be ensured that it is in ink system in the form of mesoporous material dispersion liquid
Dissolubility and dispersibility.Dispersant in mesoporous material dispersion liquid can be surfactant or others are organic molten
Agent.It is preferably surfactant, add and can use less consumption during surfactant, thus not to the sensitivity printing
Layer has much impact, and can also adjust the surface tension of solution simultaneously.Solvent in mesoporous material dispersion liquid be preferably water or
Person's ethanol, so, will not have too big impact to ink property, beneficial to printing.
Water-miscible organic solvent, as a kind of cosolvent so that non-water soluble substance has good dissolution, can make
Polymeric material dissolubility in water improves, and is made into ink beneficial to polymer.
Surfactant can help to polymer dispersion in the solution, reduces the surface tension of solution, thus contributing to
Printed dot combines well in the substrate of sensor.Surfactant adjusts the overall surface tension of ink, surface tension
One of important performance of water-based jet ink, capillary size directly affect ink-jet ink print when fluency and
The printing quality printing.Surface tension is too big, and ink is not easily wetted by shower nozzle, easily causes the situation of ink retreating from fountain roller；If surface is opened
Dipeptiven is little, and ink easily directly drips, and ink droplet crushes it is impossible to form uniform and stable ink droplet, or in print procedure, ink
Drip and easily conditions of streaking occurs, lead to printed with fine degree to decline.
Preferably, water-miscible organic solvent is propylene glycol, and nonionic surfactant selected by surfactant.Propylene glycol
The dissolubility of polymeric material can be lifted, be preferable cosolvent, and be suitable for using cooperatively with other solvents, for ink originally
The stability of body is improved effect.Nonionic surfactant also has good water solublity, also has very well with propylene glycol simultaneously
Intersolubility, bi-material for polymeric material performance impact less so that prepared ink is relatively applied to inkjet printing.
Collaborative by cooperating of above-mentioned each material, the ink being finally obtained is suitable to inkjet printing and prepares bio-sensing
The specific surface area of the sensitive layer being obtained after device, and ink printed is also higher, is eventually exhibited as the detectivity of biosensor
Higher.
Preferably, the CNT that the mesoporous material in mesoporous material dispersion liquid is 0.5～3 μm for length.This length model
The CNT enclosing belongs to short carbon nanometer tube, has high-moduluss and high intensity.CNT forms polymer with polymeric material
Base carbon nanotube material, polymeric material, as effective ingredient during subsequent probe, is distributed in the duct of short carbon nanometer tube, from
And effectively improve the distribution area of polymer, and then improve the detectivity of the sensitive layer being formed.It is particularly suitable for for poly-
When compound is the polymeric material to gas sensitization, the lifting effect of sensitivity is more significant.Additionally, mesoporous material selects carbon nanometer
Pipe, also can improve conduction, the heat conductivility of sensitive layer.
It is further preferred that the mass fraction of mesoporous material dispersion liquid is 5～10%.Mesoporous material passes as improving biology
The effective ingredient of the performance of sensor, the content of interpolation is more, better to performance improvement effect.
As follows, setting specific embodiment verifies the property of the biosensor that the ink printed of this specific embodiment is obtained
Energy.
Experimental example 1：
The present embodiment prints PVA-based carbon using the ink prepared quartz wafer (AT cut type, 1 inch, 5MHz) is upper
Nanotube sensitive layer.Quartz wafer after printing is arranged on to be made on the probe that quartz crystal is balance (SRS company, QCM-200)
For the sensing element of gaseous bio sensor, detect the acetone gas of 200ppm, to test the sound for acetone gas for the sensitive layer
Answer situation.
Polyvinyl alcohol (PVA) the sensitive layer solution preparing 100g as ink-jet printing ink, its component and mass percent
For：3g polyvinyl alcohol, aqueous liquid dispersion (wherein, the aqueous dispersion of the short MWCNTs (length is 0.5 μm -3 μm) of 10g
The mass fraction of the short MWCNTs in liquid is 1wt%), the propylene glycol of 15g, the nonionic surfactant of 1.5g
(from Surfynol 465), remaining is deionized water.
The preparation process of polyvinyl alcohol sensitive layer solution is：
A. short MWCNTs dispersion liquid, sealing preserve are filtered using vacuum filtration machine；
B. after each component weighs, polyvinyl alcohol, water are become feed liquid with mixed with propylene glycol, add magnetic force to stir in feed liquid bottle
Seal after mixing son, stand 20 minutes；
C. by feed liquid as on magnetic stirrer, stirring under 80 DEG C of constant temperature is dissolved for 3 hours to polymer；
D. natural cooling after feed liquid stirring, adds short MWCNTs dispersion liquid and Surfynol 465, under room temperature
Stirring 30 minutes；
E. install vacuum filtration machine, choose the nylon filters that filter opening is 0.45 μm, first filter paper water is moistened, then paste
Put down on filter element, feed liquid is imported in vacuum filtration machine funnel, cover filler cap, open vacuum pump, filtered；
F., after having filtered, close vacuum pump, filtrate is poured in solution bottle, sealing, prepared ink.
Viscosity measurement is carried out at room temperature to the ink solution prepared, viscosity is 4.23mpa s, is applicable to ink-jet and beats
Print.This ink solution is contained in printer (Epson R330) print cartridge, quartz wafer is arranged on inkjet printing pallet.Will
, on quartz wafer, shower nozzle clogging in ink printed in print procedure.After printing, after placing a period of time, with true
Empty drying baker is dried 1 hour, and quartz wafer forms sensitive layer.Connected to quartz crystal using the biosensor that this is obtained
Microbalance sensor, detects acetone gas, observes the frequency response values to acetone gas concentration for the quartz crystal microbalance sensor
Size.Repeated measure is averaged for 3 times, obtains sensitivity (frequency response values) and is about 80Hz.Fig. 1 show one-shot measurement process
The response process figure of middle sensor.
For contrasting the performance boost of the sensitive layer of above-mentioned preparation, reference example is set：Made using spin-coating method and only include poly- second
The sensitive layer of enol sensitive material, then connects to enter to quartz crystal microbalance sensor using the biosensor that this is obtained
Row test.Control identical in quality in the quality of sensitive layer and above-mentioned ink jet printing process of spin coating in experiment.Detect acetone gas
Body, the gas concentration of test is also 200ppm acetone.Repeated measure is averaged for 3 times, obtains sensitivity (frequency response values) about
For 55Hz.Fig. 2 show the response process figure of sensor during one-shot measurement.
Embodiment 2：
The present embodiment prints polyvinylpyrrolidine using the ink prepared quartz wafer (AT cut type, 1 inch, 5MHz) is upper
Ketone group CNT sensitive layer.Quartz wafer after printing is arranged on the spy that quartz crystal is balance (SRS company, QCM-200)
As the sensing element of gaseous bio sensor on head, the acetone gas of detection 200ppm, to test sensitive layer for acetone gas
The responsive status of body.
Polyvinylpyrrolidone (PVP) the sensitive layer solution preparing 100g as ink-jet printing ink, its component and quality
Percentage ratio is：4g Polyvinylpyrrolidone (PVP), dispersion liquid is (wherein, for the short SWCN of 10g (length is 0.5 μm -3 μm)
The mass fraction of the short SWCN in dispersion liquid is 1wt%), the propylene glycol of 15g, the non-ionic surfactant of 1.5g
Agent (from Surfynol 465), remaining is deionized water.
The preparation process of Polyvinylpyrrolidone sensitive layer solution is：
A. short single-walled carbon nanotube dispersion liquid, sealing preserve are filtered using vacuum filtration machine；
B. after each component weighs, Polyvinylpyrrolidone, water are become feed liquid with mixed with propylene glycol, add in feed liquid bottle
Seal after magnetic stir bar, stand 20 minutes；
C. by feed liquid as on magnetic stirrer, stirring under 80 DEG C of constant temperature is dissolved for 3 hours to polymer；
D. natural cooling after feed liquid stirring, adds Surfynol 465 and short single-walled carbon nanotube dispersion liquid, under room temperature
Stirring 30 minutes,；
E. install vacuum filtration machine, choose the nylon filters that filter opening is 0.45 μm, first filter paper water is moistened, then paste
Put down on filter element, feed liquid is imported in vacuum filtration machine funnel, cover filler cap, open vacuum pump, filtered；
F., after having filtered, close vacuum pump, filtrate is poured in solution bottle, sealing, prepared ink.
Viscosity measurement is carried out at room temperature to the ink solution prepared, viscosity is 2.66mpa s, is applicable to ink-jet and beats
Print.This ink solution is contained in printer (Epson R330) print cartridge, quartz wafer is arranged on inkjet printing pallet.Will
, on quartz wafer, shower nozzle clogging in ink printed in print procedure.After printing, after placing a period of time, with true
Empty drying baker is dried 1 hour, and quartz wafer forms sensitive layer.Connected to quartz crystal using the biosensor that this is obtained
Microbalance sensor, detects acetone gas, observes the frequency response values to acetone gas concentration for the quartz crystal microbalance sensor
Size.Repeated measure is averaged for 3 times, obtains sensitivity (frequency response values) and is about 245Hz.Fig. 3 show one-shot measurement mistake
The response process figure of sensor in journey.
For contrasting the performance boost of the sensitive layer of above-mentioned preparation, reference example is set：Made using spin-coating method and only include poly- second
The sensitive layer of alkene pyrrolidone sensitive material, is then connected using the biosensor that this is obtained and passes to QCM
Sensor is tested.Control identical in quality in the quality of sensitive layer and above-mentioned ink jet printing process of spin coating in experiment.Detect
Acetone gas, the gas concentration of test is also 200ppm acetone.Repeated measure is averaged for 3 times, obtains sensitivity (frequency response
Value) it is about 215Hz.Fig. 4 show the response process figure of sensor during one-shot measurement.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
Without departing from make on the premise of present inventive concept some substitute or obvious modification, and performance or purposes are identical, all should be considered as
Belong to protection scope of the present invention.
Claims (10)
1. a kind of preparation method of the ink for inkjet printing biological sensor sensing layer it is characterised in that：Walk including following
Suddenly：S1, prepares the water-soluble polymer that the mean molecule quantity of certain mass is less than 20000, mesoporous material dispersion liquid, water solublity has
Machine solvent, surfactant and water；S2, described water-soluble polymer, water-miscible organic solvent and water mixing and stirring make
Described water-soluble polymer fully dissolves；S3, described surfactant and described mesoporous material dispersion liquid are added step S2 to obtain
To mixed solution in；S4, filters, obtains filtrate, and described ink is obtained；Wherein, in step S1, the quality of each material makes institute
The mass fraction stating the component in ink is：1～6% water-soluble polymer, 1～10% mesoporous material dispersion liquid, 10～
20% water-miscible organic solvent, the surfactant of 0.1%-2%, remaining is water.
2. a kind of ink for inkjet printing biological sensor sensing layer it is characterised in that：Group including following mass fraction
Point：The water-soluble polymer that 1～6% mean molecule quantity is less than 20000,1～10% mesoporous material dispersion liquid, 10～20%
Water-miscible organic solvent, the surfactant of 0.1%-2%, remaining be water.
3. ink according to claim 2 it is characterised in that：Mesoporous material in described mesoporous material dispersion liquid is length
For 0.5～3 μm of CNT.
4. ink according to claim 2 it is characterised in that：Described water-miscible organic solvent is propylene glycol, described surface
Activating agent is nonionic surfactant.
5. ink according to claim 2 it is characterised in that：Described polymer is polyvinyl alcohol, and described mesoporous material is
Multi-walled carbon nano-tubes, described water-miscible organic solvent is propylene glycol, and described surfactant is nonionic surfactant；Or
Person, described polymer is Polyvinylpyrrolidone, and described mesoporous material is SWCN, and described water-miscible organic solvent is
Propylene glycol, described surfactant is nonionic surfactant.
6. ink according to claim 2 it is characterised in that：The mass fraction of described mesoporous material dispersion liquid be 5～
10%.
7. ink according to claim 2 it is characterised in that：Described mesoporous material dispersion liquid disperses for SWCN
One or more of liquid, multi-walled carbon nano-tubes dispersion liquid, nano silicon dioxide dispersion, nano titanium oxide dispersion mixed
Close.
8. the sensitive layer in a kind of biosensor it is characterised in that：Described sensitive layer is described in any one of claim 2～7
Ink obtain through inkjet printing post-drying.
9. a kind of biosensor, including substrate and suprabasil sensitive layer it is characterised in that：Described sensitive layer is that right such as will
Seek the sensitive layer described in 6.
10. a kind of preparation method of biosensor it is characterised in that：Comprise the following steps：U1, prepares the base of biosensor
Bottom material；U2, the ink jet described in any one of claim 2～7 is printed on described base material；U3, by described base
Ink on bottom material is dried under vacuum conditions, forms sensitive layer, prepared biosensor on described base material.
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| CN109883959A (en) * | 2019-02-26 | 2019-06-14 | 江苏大学 | A kind of Portable multiple spectrum imaging device and its application based on array sensor chip |
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| 卢寿慈: "《粉体技术手册》", 31 July 2004, 化学工业出版社 * |
| 简G.考文科: "《喷墨打印微制造技术》", 30 November 2015, 机械工业出版社 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108912823A (en) * | 2018-07-27 | 2018-11-30 | 江苏贝格丽新材料科技有限公司 | A kind of benzene-free ketone-free PVC decorative Film ink and preparation method thereof |
| CN109883959A (en) * | 2019-02-26 | 2019-06-14 | 江苏大学 | A kind of Portable multiple spectrum imaging device and its application based on array sensor chip |
| CN109883959B (en) * | 2019-02-26 | 2021-11-23 | 江苏大学 | Portable multispectral imaging device based on array sensor chip and application thereof |
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