CN101096478B - Ink for ink-jet recording, ink cartridge, and ink-jet recording apparatus - Google Patents
Ink for ink-jet recording, ink cartridge, and ink-jet recording apparatus Download PDFInfo
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- CN101096478B CN101096478B CN2007100965353A CN200710096535A CN101096478B CN 101096478 B CN101096478 B CN 101096478B CN 2007100965353 A CN2007100965353 A CN 2007100965353A CN 200710096535 A CN200710096535 A CN 200710096535A CN 101096478 B CN101096478 B CN 101096478B
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Abstract
An ink for ink-jet recording containing a coloring agent and a marker. The coloring agent contains a pigment. The marker has a detector absorption peak for detecting the marker at a wavelength that is different from a wavelength of the maximum absorption peak of the coloring agent. The coloring agent and the marker are contained in the ink in amounts that satisfy the following conditions (I) to (III): and in terms of a measurement optical path length of 1 mm, where A 2 denotes an absorbance at the wavelength of the detector absorption peak of the marker, A 3 denotes a baseline absorbance at the wavelength of the detector absorption peak of the marker.
Description
Technical field
The present invention relates to ink jet type recording ink, print cartridge and inkjet recording device.
Background technology
Usually with inkjet recording device paper etc. is recorded injection of material Huang, dark red, dark blue and black ink of all kinds.Above-mentioned ink is injected with droplet from minute nozzle.Droplet by above-mentioned ink forms ink dot above-mentioned being recorded on the material, thus recording image information.Colored record is to mix above-mentioned ink above-mentioned being recorded on the material surface according to above-mentioned graphic information, thereby shows various looks.
When on inkjet recording device, having carried the print cartridge of the ink that is filled with unsuitable look, the colored record that can not obtain envisioning.Ink of filling in above-mentioned print cartridge and suitable ink are homochromy, and on ink is formed with above-mentioned suitable ink not simultaneously, above-mentioned ink might solidify in above-mentioned minute nozzle or outside the above-mentioned minute nozzle or separate out, and can not print normally.In order to address these problems a little, need whether identification has correctly carried the print cartridge that is filled with suitable ink in inkjet recording device method.
For above-mentioned requirements, once attempting by measuring that the absorbancy of having shone the light time of maximum absorption band wavelength to ink discerns is the method for suitable ink.Yet in ink stock solution, above-mentioned absorbancy is very high, can not measure.Therefore, be suitable ink in order to discern with aforesaid method, need water equal solvent dilution ink, thereby measure above-mentioned absorbancy.Therefore, in inkjet recording device, utilizing the easy identification of aforesaid method is very difficulty of suitable ink.
Also attempt on one side the print cartridge of the identification tag that posts the look that has shown ink being confirmed with range estimation, on one side it is carried method in the given position of inkjet recording device.Also proposed be installed in IC chip on the print cartridge discern the method for print cartridge (Japanese PatentApplication Laid-open No.2002-192810and US7,077,512B2).Aforesaid method is the information that reads above-mentioned IC chip in the base side of inkjet recording device, thus the identification print cartridge.Yet aforesaid method can not judge all whether suitable the ink itself of filling in the print cartridge is.Aforesaid method all can increase and the print cartridge cost related.
Summary of the invention
The object of the invention is to provide and can easyly be identified in the ink jet type recording ink that whether has carried the print cartridge that contains suitable ink on the inkjet recording device.
Ink jet type recording ink of the present invention is the ink jet type recording ink that comprises tinting material, wherein,
Above-mentioned tinting material comprises dyestuff,
Above-mentioned ink also comprises markers,
Above-mentioned markers comprises at least a in dyestuff and the pigment, and, at the wavelength place different, have and be used to detect detecting of above-mentioned markers and use absorption peak with the maximum absorption band wavelength of above-mentioned tinting material,
The amount of the condition of above-mentioned tinting material and above-mentioned markers following to satisfy (I)～(III) is contained in the above-mentioned ink:
(I)1.2≤A
2/A
3
(II) aberration (Δ E)≤3
(III) convert 0.001≤A by measuring optical path length 1mm
2≤ 5
A
2: the absorbancy that detects usefulness absorption peak wavelength place of above-mentioned markers
A
3: the baseline absorbancy that detects usefulness absorption peak wavelength place of above-mentioned markers
ΔE＝{(L
* 1—L
* 2)
2+(a
* 1—a
* 2)
2+(b
* 1—b
* 2)
2}
1/2
L
* 1: the L of above-mentioned ink jet type recording ink
*Value
L
* 2: the L of benchmark ink
*Value
a
* 1: a of above-mentioned ink jet type recording ink
*Value
a
* 2: a of benchmark ink
*Value
b
* 1: the b of above-mentioned ink jet type recording ink
*Value
b
* 2: the b of benchmark ink
*Value
Benchmark ink: except water replaces above-mentioned markers, with the ink of above-mentioned ink jet type recording ink same composition.
Print cartridge of the present invention is the print cartridge that comprises the ink jet type recording ink, wherein,
Above-mentioned print cartridge is the print cartridge of the invention described above,
Above-mentioned inkjet recording device comprises optical measuring device and judgment means,
Above-mentioned optical measuring device is measured the above-mentioned absorbancy that detects with the above-mentioned ink at absorption peak wavelength place of above-mentioned markers, generates above-mentioned absorbancy information,
Above-mentioned judgment means is judged the kind of above-mentioned ink according to above-mentioned absorbancy information, generates ink information in the above-mentioned print cartridge.
Ink jet type recording ink of the present invention comprises tinting material and markers.Above-mentioned markers is at the wavelength place different with the maximum absorption band wavelength of above-mentioned tinting material, has to be used to detect detecting of above-mentioned markers and to use absorption peak.Ink of the present invention for example, can adopt the so easy method of absorbancy of using absorption peak wavelength place that detects of measuring above-mentioned markers, and is distinguished with other inks.In ink of the present invention, above-mentioned tinting material and above-mentioned markers are contained in the above-mentioned ink with the amount of the condition that satisfies above-mentioned (I)～(III).Therefore, above-mentioned markers is to not influence of ink performance.
Description of drawings
Fig. 1 schematically represents the absorption spectrum of ink jet type record of the present invention with an example of the absorbancy curve of yellow ink.
Fig. 2 is the absorption spectrum that detects an example using near the absorbancy curve of absorption peak wavelength of the markers of expression ink jet type recording ink of the present invention.
Fig. 3 schematically represents the absorption spectrum of ink jet type record of the present invention with an example of the absorbancy curve of dark red ink.
Fig. 4 schematically represents the absorption spectrum of ink jet type record of the present invention with an example of the absorbancy curve of dark blue ink.
Fig. 5 is the general perspective of formation of an example of expression inkjet recording device of the present invention.
Fig. 6 is the sectional view of an example of relation of schematically representing the allocation position of light source in the inkjet recording device of the present invention and light detection device.
Embodiment
Ink jet type recording ink of the present invention is the ink that comprises tinting material.Above-mentioned tinting material comprises dyestuff.In ink of the present invention, the maximum absorption band of 1 above-mentioned tinting material of expression in the above-mentioned dyestuff.Above-mentioned ink also comprises markers.Above-mentioned markers comprises at least a of dyestuff and pigment, and, at the wavelength place different, have and be used to detect detecting of above-mentioned markers and use absorption peak with the maximum absorption band wavelength of above-mentioned tinting material.
Then, the situation with yellow ink is the absorbancy curve that example illustrates ink of the present invention.Fig. 1 schematically represents an example of the absorbancy curve of above-mentioned yellow ink.As Fig. 1 represented, in this Huang ink, (absorbancy was A to the maximum absorption band of above-mentioned tinting material
1The peak) near 410nm, occur, above-mentioned markers above-mentioned detects that (absorbancy is A with absorption peak
2The peak) near 670nm, occur.In Fig. 1,,, changed above-mentioned absorbancy (A with comparing of reality for understandable
1) and above-mentioned absorbancy (A
2) the ratio.
Fig. 2 represents an example that detects near the absorbancy curve of usefulness absorption peak wavelength of the above-mentioned markers of ink of the present invention.Above-mentioned tinting material and above-mentioned markers, as shown in Figure 2, the amount of the condition of following to satisfy (I) is contained in the above-mentioned ink.
(I)1.2≤A
2/A
3
A
2: the absorbancy that detects usefulness absorption peak wavelength place of above-mentioned markers
A
3: the baseline absorbancy that detects usefulness absorption peak wavelength place of above-mentioned markers
Above-mentioned baseline absorbancy (A
3) as described below.At first, in the absorbancy curve of ink of the present invention, connect above-mentioned rising starting point (s) and the end point (f) that detects with absorption peak, make baseline (BL) with straight line.Secondly, obtain above-mentioned detecting with the absorbancy on the above-mentioned baseline (BL) at absorption peak wavelength place.The absorbancy of obtaining like this is exactly above-mentioned baseline absorbancy (A
3).That is above-mentioned baseline absorbancy (A,
3) be from the ink of the invention described above, to remove above-mentioned markers and when modulating, ink is in the above-mentioned absorbancy that detects with absorption peak wavelength place.When the amount of the condition of above-mentioned tinting material and above-mentioned markers above-mentioned to satisfy (I) is contained in the above-mentioned ink, can detect above-mentioned markers.Above-mentioned condition (I) is 1.5≤A preferably
2/ A
3
Above-mentioned tinting material and above-mentioned markers are contained in the above-mentioned ink with the amount that satisfies following condition (II).
(II) aberration (Δ E)≤3
ΔE＝{(L
* 1—L
* 2)
2+(a
* 1—a
* 2)
2+(b
* 1—b
* 2)
2}
1/2
L
* 1: the L of above-mentioned ink jet type recording ink
*Value
L
* 2: the L of benchmark ink
*Value
a
* 1: a of above-mentioned ink jet type recording ink
*Value
a
* 2: a of benchmark ink
*Value
b
* 1: the b of above-mentioned ink jet type recording ink
*Value
b
* 2: the b of benchmark ink
*Value
The benchmark ink: except water replaces above-mentioned markers with the ink of above-mentioned ink jet type recording ink same composition
These numerical value with 1976 by the normalized L of International Commission on Illumination (CIE)
*a
*b
*Color specification system (CIE1976 (L
*a
*b
*) color specification system) be basis (with reference to JIS Z8729).
Above-mentioned aberration (Δ E) for example can be measured with the method for embodiment record described later.For a person skilled in the art, above-mentioned aberration (Δ E) can easily obtain without too many experimental mistake by adjusting the combined amount of above-mentioned tinting material and above-mentioned markers.
Above-mentioned tinting material and above-mentioned markers are contained in the above-mentioned ink with the amount that satisfies following condition (III).
(III) convert 0.001≤A by measuring optical path length 1mm
2≤ 5
A
2: the extinction that detects usefulness absorption peak wavelength place of above-mentioned markers
Be meant by measuring optical path length 1mm conversion, for example, when the measurement optical path length is 10mm, the measured value of absorbancy got 1/10.In the present invention, above-mentioned absorbancy (A
2), when measuring, be value (measured value of the absorbancy that dilution measurement obtains multiply by the value of dilution ratio gained) by ink stock solution conversion gained at the dilution ink.Above-mentioned absorbancy (A
2) be more than 0.001 5 when following, can detect precision and detect above-mentioned markers well.For a person skilled in the art, above-mentioned absorbancy (A
2) can easily obtain without too many experimental mistake by adjusting the combined amount of above-mentioned tinting material and above-mentioned markers.Above-mentioned condition (III) is 0.01≤A preferably
2≤ 3.
Above-mentioned markers detect the position that preferably is present in the photo-absorption region that departs from above-mentioned tinting material fully with absorption peak.But, use absorption peak, the above-mentioned ridge place that also can be positioned at the absorption curves of above-mentioned tinting material with absorption peak that detects if can detect above-mentioned detecting.Ink of the present invention preferably also satisfies the condition of following (IV).
(IV)50nm≤|λ
1—λ
2|
λ
1: the maximum absorption band wavelength of above-mentioned tinting material
λ
2: the absorption peak wavelength is used in detecting of above-mentioned markers
In above-mentioned condition (IV), | λ
1-λ
2| be the maximum absorption band wavelength (λ of above-mentioned tinting material
1) use absorption peak wavelength (λ with detecting of above-mentioned markers
2) the absolute value of difference.That is, when satisfying above-mentioned condition (IV), detecting of the maximum absorption band wavelength of above-mentioned tinting material and above-mentioned markers uses the absorption peak wavelength at a distance of more than the 50nm.
Above-mentioned tinting material and above-mentioned markers combined amount separately are according to its kind and difference.With respect to the full dose of above-mentioned ink, the combined amount of above-mentioned tinting material for example is the scope of 0.1～15 weight %, preferably the scope of 0.3～10 weight %, the more preferably scope of 0.5～5 weight %.With respect to the full dose of above-mentioned ink, the combined amount of above-mentioned markers for example is the scope of 0.00003～0.3 weight %, preferably the scope of 0.0001～0.04 weight %.
Above-mentioned tinting material and above-mentioned markers preferably also the amount of the condition of following to satisfy (V) be contained in the above-mentioned ink.
(V)50≤A
1/A
2≤30000
A
1: the absorbancy at the maximum absorption band wavelength place of above-mentioned tinting material
A
2: the absorbancy that detects usefulness absorption peak wavelength place of above-mentioned markers
Above-mentioned (A
1/ A
2) be more than 50, thus the influence next of above-mentioned markers can further be reduced to the colour band of above-mentioned ink.Above-mentioned (A
1/ A
2) be below 30000, detect above-mentioned markers better thereby can detect precision.Above-mentioned condition (V) is 60≤A preferably
1/ A
2≤ 15000.
In ink of the present invention, above-mentioned detecting used absorption peak, as long as can detect, can be the maximum absorption band of above-mentioned markers, also can be the peak different with it.
Above-mentioned tinting material can use a kind of dyestuff, the tinting material that also two or more kinds may be used separately.And when having used above-mentioned tinting material more than 2 kinds, above-mentioned maximum absorption band is to absorb maximum peak in the maximum absorption band of each tinting material.Above-mentioned tinting material also can contain pigment.But, consider dispersiveness, above-mentioned tinting material preferably only comprises dyestuff.
Above-mentioned markers can use a kind of material (dyestuff or pigment), the material that also two or more kinds may be used separately.In above-mentioned markers and when having used above-mentioned material more than 2 kinds, above-mentioned detecting can be from the above-mentioned absorbancy (A of the condition of representing to satisfy above-mentioned (I) and above-mentioned (III) with absorption peak
2) the absorption peak of above-mentioned markers in select arbitrarily.
Represent the tinting material of above-mentioned maximum absorption band and have the above-mentioned example that detects with the markers preferably combination of absorption peak in the yellow ink of following table 1 expression.But, the present invention is not limited by following example.
Table 1
Represent the tinting material of above-mentioned maximum absorption band and have the above-mentioned example that detects with the markers preferably combination of absorption peak in the dark red ink of following table 2 expressions.But, the present invention is not limited by following example.
Table 2
Fig. 3 schematically represents an example of the absorbancy curve of dark red ink of the present invention.As shown in Figure 3, this dark red ink, (absorbancy is A to the above-mentioned maximum absorption band of above-mentioned tinting material
1The peak) near 520nm, occur, above-mentioned markers above-mentioned detects that (absorbancy is A with absorption peak
2The peak) near 670nm, occur.In Fig. 3,,, changed above-mentioned absorbancy (A with comparing of reality for understandable
1) and above-mentioned absorbancy (A
2) the ratio.
Represent the tinting material of above-mentioned maximum absorption band and have the above-mentioned example that detects with the markers preferably combination of absorption peak in the dark blue ink of following table 3 expressions.But, the present invention is not limited by following example.
Table 3
Fig. 4 schematically represents an example of the absorbancy curve of dark blue ink of the present invention.As shown in Figure 4, this dark blue ink, (absorbancy is A to the above-mentioned maximum absorption band of above-mentioned tinting material
1The peak) near 650nm, occur, above-mentioned markers above-mentioned detects that (absorbancy is A with absorption peak
2The peak) near 480nm, occur.In Fig. 4,,, changed above-mentioned absorbancy (A with comparing of reality for understandable
1) and above-mentioned absorbancy (A
2) the ratio.
In ink of the present invention, preferred above-mentioned maximum absorption band wavelength and above-mentioned detecting with the absorption peak wavelength all are in visible region (360～780nm).But, the present invention is not limited.In ink of the present invention, above-mentioned detecting used the absorption peak wavelength, uses absorption peak as long as can detect above-mentioned detecting, and for example, also can be in infrared spectral range or ultra-violet region.
Ink jet type recording ink of the present invention except above-mentioned tinting material and above-mentioned markers, as solvent, preferably comprises the mixed solvent of water and water-miscible organic solvent.
Above-mentioned water is deionized water preferably.Above-mentioned water determines in a big way for the ratio (ratio of water) of the above-mentioned ink full dose ink characteristics according to the kind of above-mentioned water-miscible organic solvent, composition, hope.The ratio of above-mentioned water for example is the scope of 10～95 weight %, preferably the scope of 40～80 weight %.
Above-mentioned water-miscible organic solvent for example can be divided into wetting agent and permeate agent.Above-mentioned wetting agent for example can prevent the drying of the ink of ink gun leading section.Above-mentioned permeate agent for example can be accelerated the rate of drying on the record paper.
Above-mentioned wetting agent is unrestricted, for example comprises lower alcohol, acid amides, ketone, keto-alcohol, ether, polyvalent alcohol, alkylene glycol, 2-Pyrrolidone, N-N-methyl-2-2-pyrrolidone N-, 1,3-dimethyl-2-imidazolone etc.Above-mentioned lower alcohol is unrestricted, for example comprises methyl alcohol, ethanol, n-propyl alcohol, Virahol, propyl carbinol, sec-butyl alcohol, the trimethyl carbinol etc.Above-mentioned acid amides is unrestricted, for example comprises dimethyl formamide, N,N-DIMETHYLACETAMIDE etc.Above-mentioned ketone is unrestricted, for example comprises acetone etc.Above-mentioned keto-alcohol is unrestricted, for example comprises Pyranton etc.Above-mentioned ether is unrestricted, for example comprises tetrahydrofuran (THF), dioxane etc.Above-mentioned polyvalent alcohol is unrestricted, for example comprises polyoxyethylene glycol, polypropylene glycol, glycerine etc.Above-mentioned alkylene glycol is unrestricted, for example comprises ethylene glycol, propylene glycol, butyleneglycol, glycol ether, triglycol, dipropylene glycol, tripropylene glycol, thiodiglycol and hexylene glycol etc.Polyvalent alcohol, alkylene glycol such as glycerine preferably wherein.These wetting agents can use a kind separately, also can be mixed with two or more.
The combined amount of above-mentioned wetting agent is not particularly limited.Above-mentioned wetting agent for example is the scope of 0～95 weight % with respect to the combined amount of above-mentioned ink full dose, preferably the scope of 10～80 weight %, the more preferably scope of 10～50 weight %.
Above-mentioned permeate agent is unrestricted, for example comprises glycols ether.Above-mentioned glycols ether is unrestricted, for example comprise ethylene glycol monomethyl ether, ethylene glycol ethyl ether, glycol propyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, glycol ether propyl ether, butyl carbitol, triglycol methyl ether, triglycol ether, triglycol propyl ether, triglycol butyl ether, propylene glycol monomethyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, propylene glycol butyl ether, dipropylene glycol methyl ether, dipropylene glycol ether, dipropylene glycol propyl ether, dipropylene glycol butyl ether, tripropylene glycol methyl ether, tripropylene glycol ether, tripropylene glycol propyl ether, tripropylene glycol butyl ether etc.Above-mentioned permeate agent can use a kind separately, also can be mixed with two or more.
The combined amount of above-mentioned permeate agent for example is the scope of 0～20 weight %.If get above-mentioned scope, then can make above-mentioned ink better to the perviousness of paper.The combined amount of above-mentioned permeate agent is the scope of 0.1～15 weight % preferably, more preferably the scope of 1～10 weight %.
Ink jet type recording ink of the present invention also can be as required, known additive before comprising again.Above-mentioned additive for example comprises viscosity modifier, surface tension is adjusted agent, mould inhibitor etc.Above-mentioned viscosity modifier is unrestricted, for example comprises polyvinyl alcohol, cellulose family, water soluble resin etc.
Ink jet type recording ink of the present invention for example can be by other added ingredientss such as the above-mentioned tinting material of uniform mixing and above-mentioned markers and water, water-miscible organic solvents, remove insolubles and modulate with strainer.
As mentioned above, ink of the present invention comprises above-mentioned markers.Therefore, ink of the present invention is by measuring the above-mentioned absorbancy that detects with absorption peak wavelength place of above-mentioned markers, can be different from the ink (ink beyond the ink of the present invention) that does not comprise above-mentioned markers.
Print cartridge of the present invention is the print cartridge that comprises the ink of the invention described above.As the body of print cartridge of the present invention, before can using known (for example, opening the 2002-292890 communique) with reference to the spy.As mentioned above, the ink of the invention described above can be different from ink of the present invention ink in addition.The print cartridge of the invention described above comprises the ink of the invention described above, thereby can be different from the print cartridge of the ink beyond the ink that only comprises the invention described above.
Secondly, inkjet recording device of the present invention is described.Carried the print cartridge of the invention described above inkjet recording device disassembled and assembled freely of the present invention.Inkjet recording device of the present invention comprises optical measuring device and judgment means.Except these, the configuration example of inkjet recording device of the present invention is as also can be identical with former known inkjet recording device.
Fig. 5 represents the formation of an example of inkjet recording device of the present invention.As shown in the figure, this inkjet recording device 1 comprises 4 print cartridges 2, ink gun 3, head unit 4, loader 5, driver element 6, air roll 7 and washing unit 8 as main component parts.Above-mentioned inkjet recording device 1, diagram has been omitted, and also comprises above-mentioned optical measuring device and above-mentioned judgment means.See below about the details of above-mentioned optical measuring device and above-mentioned judgment means and to state.
Above-mentioned 4 print cartridges are for the ink of 4 yellow, dark red, dark blue and black looks, each self-contained 1 look.Above-mentioned Huang, dark red and dark blue color inks are the inks of the invention described above.Above-mentioned ink gun 3 is recorded at recording paper etc. and carries out lettering on the material P.Above-mentioned head unit 4 has above-mentioned ink gun 3.Carry above-mentioned 4 print cartridges 2 and above-mentioned head unit 4 on the above-mentioned loader 5.Above-mentioned driver element 6 makes above-mentioned loader 5 come and go in rectilinear direction and moves.Above-mentioned air roll 7 extends in the travel directions of above-mentioned loader 5, faces toward configuration with above-mentioned ink gun 3.
Above-mentioned 4 print cartridges 2 are installed between a pair of side cover 4b of both sides of the 4a of mounting portion that is formed at above-mentioned head unit 4.
Above-mentioned driver element 6 comprises loader axle 9,10,2 belt pulleys 11 of guide plate and 12 and endless strap 13.Above-mentioned loader axle 9 is configured in the bottom of above-mentioned loader 5, and is parallel with above-mentioned air roll 7 and extend.Above-mentioned guide plate 10 is configured in the upper end of above-mentioned loader portion 5, and is parallel with above-mentioned loader axle 9 and extend.Above-mentioned 2 belt pulleys 11 and 12 are configured between above-mentioned loader axle 9 and the above-mentioned guide plate 10, the both ends of above-mentioned loader axle 9.Above-mentioned endless strap 13 is erected between above-mentioned 2 belt pulleys 11 and 12.
In this inkjet recording device 1, if above-mentioned belt pulley 11 drives and positive and negative rotation by means of loader motor 101, then along with the positive and negative rotation of above-mentioned belt pulley 11, the above-mentioned loader 5 that engages with above-mentioned endless strap 13 comes and goes along above-mentioned loader axle 9 and above-mentioned guide plate 10 and in rectilinear direction and moves.
About the above-mentioned material P that is recorded, be from the side that is arranged on this inkjet recording device 1 or the carton (diagram) of giving of below carries out paper feeding.The above-mentioned material P that is recorded is directed between above-mentioned ink gun 3 and the above-mentioned air roll 7.So, be recorded on the material P above-mentioned, carry out given lettering by the ink that spues from above-mentioned ink gun 3.After this, the above-mentioned material P that is recorded discharges from above-mentioned inkjet recording device 1.In Fig. 5, omitted the above-mentioned diagram that is recorded paper feeding mechanism and the paper-discharge mechanism of material P.
Above-mentioned washing unit 8 is arranged on the side of above-mentioned air roll 7, is configured to face toward with above-mentioned ink gun 3 when above-mentioned head unit 4 is in reset position (being the top of above-mentioned washing unit 8) in this example.Above-mentioned washing unit 8 comprises cleaning cover 14, pump 15 and cam 16, ink stockpiles portion 17.Above-mentioned cleaning cover 14 when above-mentioned head unit 4 is in above-mentioned reset position, covers a plurality of nozzles (scheming not shown) of above-mentioned ink gun 3.Said pump 15 attracts to comprise the bad ink of bubble of the inside that accumulates in above-mentioned ink gun 3 etc. by means of the driving of above-mentioned cam 16.Realize the recovery of above-mentioned ink gun like this.The bad ink of above-mentioned attraction is put aside in above-mentioned ink and is stockpiled portion 17.
In the position of above-mentioned air roll 7 sides of above-mentioned washing unit 8, wiper parts 20 have been set in abutting connection with above-mentioned washing unit 8.Above-mentioned wiper parts 20 form doctor-like, and the nozzle of the above-mentioned ink gun 3 of wiping forms face along with moving of above-mentioned loader 5.In Fig. 5, cover 18, in order to prevent the drying of ink, the words of printing ending just cover a plurality of nozzles of the above-mentioned ink gun 3 that turns back to above-mentioned reset position.
Above-mentioned optical measuring device is measured above-mentioned markers and is detected with the absorbancy of the above-mentioned ink at absorption peak wavelength place and generate above-mentioned absorbancy information above-mentioned.Above-mentioned optical measuring device for example comprises light source and light detection device.
As long as above-mentioned light source can send the above-mentioned light that detects with the absorption peak wavelength, be not particularly limited, for example, known device before can using (for example, with reference to the spy open 2004-No. 181674 communiques and spy open put down 7-No. 232440 communiques).Particularly, as above-mentioned light source, for example, can enumerate combination of photodiode (LED), discharge lamp, incandescent light and they and optical splitter etc.
Above-mentioned smooth detection device is as long as the above-mentioned absorbancy that detects with absorption peak wavelength place of energy measurement is not particularly limited, for example, and known device before can using (for example, open 2004-No. 181674 communiques and the spy opens flat 7-No. 232440 communiques) with reference to the spy.Particularly, as above-mentioned smooth detection device, for example, can enumerate optical sensor, photoconduction electric unit, semiconductor photodetector, phototube and photoelectron-multiplier-tube etc.Preferably, above-mentioned smooth detection device, the viewpoints such as easiness from being provided with comprise optical sensor.Above-mentioned optical sensor preferably can be measured and comprise that above-mentioned detecting with the absorption peak wavelength reaches and the above-mentioned absorbancy that detects with at least 2 wavelength of the different wavelength of absorption peak wavelength.This is because if the absorbancy of above-mentioned 2 wavelength of energy measurement just can generate above-mentioned absorbancy information in view of the above, further improve the precision of judging by judgment means described later.
Above-mentioned configured light sources position, so long as can be on above-mentioned Huang, dark red and dark blue each ink respectively the position of irradiates light get final product, be not particularly limited.Above-mentioned light source for example can be configured in above-mentioned reset position.The allocation position of above-mentioned smooth detection device is not particularly limited also so long as can accept to get final product from the position that sees through light of above-mentioned Huang, dark red and dark blue each ink.Above-mentioned smooth detection device for example can be configured on the side of opposite side of the inside of above-mentioned loader 5 or above-mentioned loader 5.
When above-mentioned light source and above-mentioned smooth detection device are configured in above-mentioned position, each ink of mobile from the print cartridge that contains above-mentioned Huang, dark red and dark blue each ink to each ink flow path the nozzle of above-mentioned ink gun 3 is carried out the measurement of absorbancy.Measurement optical path length in the above-mentioned absorbance measuring can be according to decision aptly such as body, for example in the scope of 0.1～10mm.
In the sectional view of Fig. 6, schematically represent the example of relation of the allocation position of above-mentioned light source and above-mentioned smooth detection device.In this example, light source 40 is configured in the bottom of above-mentioned ink flow path 30.Light detection device 50 is configured in the top of above-mentioned ink flow path 30, with corresponding position, the top of above-mentioned light source 40.
Though it is not shown, but, in the inkjet recording device of the ink of from the print cartridge to the ink gun, supplying with the invention described above with pipe, above-mentioned smooth detection device is configured near the nozzle in above-mentioned print cartridge, above-mentioned ink flow path or the above-mentioned ink gun, disposes above-mentioned light source in the appropriate location corresponding and get final product with it.Preferably, above-mentioned smooth detection device is disposed at above-mentioned print cartridge.
Above-mentioned judgment means judges that according to above-mentioned absorbancy information the kind of above-mentioned ink generates ink information in the above-mentioned print cartridge.Above-mentioned absorbancy information for example generates as electrical signal in above-mentioned optical measuring device.Above-said current signal also can be a numerical information.Above-mentioned judgment means is for example with reference to above-mentioned absorbancy information and database that the kind of the kind of ink and absorbancy is associated, the kind of judgement ink.The judgement of the kind of above-mentioned ink for example comprises and indicates concrete ink kind.In addition, the judgement of the kind of above-mentioned ink for example comprises that the ink in the print cartridge is the judgement of suitable ink.Above-mentioned judgement is preferably carried in above-mentioned inkjet recording device at above-mentioned print cartridge, carries out automatically.But, the present invention is not limited.Above-mentioned judgement for example also can be carried after above-mentioned inkjet recording device at above-mentioned print cartridge, waits and carries out by pushing the start button that is provided with on the above-mentioned inkjet recording device.
Above-mentioned judgment means preferably also comprises reasonable ink information data, checks device and information output apparatus.Above-mentioned reasonable ink information data for example are the data that the absorbancy with absorption peak wavelength place associates that detect the kind of the ink in the print cartridge that will carry on the above-mentioned inkjet recording device and above-mentioned markers.The above-mentioned device of checking is checked ink information and above-mentioned reasonable ink information data in the above-mentioned print cartridge and is generated cross-check information.Above-mentioned cross-check information for example is that the ink in the print cartridge that has carried is the information of suitable ink.Above-mentioned information output apparatus output is by the above-mentioned above-mentioned cross-check information of checking the device generation.Above-mentioned information output apparatus is as long as can export above-mentioned cross-check information, and which type of device can.Above-mentioned cross-check information for example adopts the warning tones of ringing when ink information and above-mentioned reasonable ink information are inconsistent in above-mentioned print cartridge, shows on the liquid-crystal display that is provided with in above-mentioned inkjet recording device that method such as error message exports.
Embodiment
Then, in conjunction with comparative example explanation embodiments of the invention.But, the present invention is not limited by the following example and comparative example.
Embodiment 1～5
Stirring, mixed ink moiety (table 4).After this, with wetting ability politef (PTFE) type membrane filter (Japan's filter paper (strain) system) the filtration said mixture of aperture 0.2 μ m, thus the yellow ink of ink jet type record of acquisition present embodiment.
Stirring, mixed ink moiety (table 5).After this, with cellulose acetate type membrane filter (Japan's filter paper (strain) system) the filtration said mixture of aperture 3 μ m, thus the yellow ink of ink jet type record of acquisition present embodiment.
Stirring, mixed ink moiety (table 6).After this, with wetting ability politef (PTFE) type membrane filter (Japan's filter paper (strain) system) the filtration said mixture of aperture 0.2 μ m, thus the dark red ink of ink jet type record of acquisition present embodiment.
Stirring, mixed ink moiety (table 7).After this, with cellulose acetate type membrane filter (Japan's filter paper (strain) system) the filtration said mixture of aperture 3 μ m, thus the dark red ink of ink jet type record of acquisition present embodiment.
Stirring, mixed ink moiety (table 8).After this, with wetting ability politef (PTFE) type membrane filter (Japan's filter paper (strain) system) the filtration said mixture of aperture 0.2 μ m, thus the dark blue ink of ink jet type record of acquisition present embodiment.
Comparative example 1～4
Stirring, mixed ink moiety (table 4).After this, use wetting ability politef (PTFE) the type membrane filter (Japan's filter paper (strain) system) of aperture 0.2 μ m to filter said mixture, thereby obtain the yellow ink of ink jet type record of this comparative example.
Comparative example 5,6
Stirring, mixed ink moiety (table 5).After this, use the cellulose acetate type membrane filter (Japan's filter paper (strain) system) of aperture 3 μ m to filter said mixture, thereby obtain the yellow ink of ink jet type record of this comparative example.
Comparative example 7～9
Stirring, mixed ink moiety (table 6).After this, use wetting ability politef (PTFE) the type membrane filter (Japan's filter paper (strain) system) of aperture 0.2 μ m to filter said mixture, thereby obtain the dark red ink of ink jet type record of this comparative example.
Comparative example 10～13
Stirring, mixed ink moiety (table 7).After this, use the cellulose acetate type membrane filter (Japan's filter paper (strain) system) of aperture 3 μ m to filter said mixture, thereby obtain the dark red ink of ink jet type record of this comparative example.
Comparative example 14～17
Stirring, mixed ink moiety (table 8).After this, use wetting ability politef (PTFE) the type membrane filter (Japan's filter paper (strain) system) of aperture 0.2 μ m to filter said mixture, thereby obtain the dark blue ink of ink jet type record of this comparative example.
Estimate
For the above-mentioned ink of the various embodiments described above and the above-mentioned ink of above-mentioned each comparative example, carried out A
2/ A
3, aberration (Δ E), markers detect absorbancy (A with absorption peak wavelength place
2) and A
1/ A
2Measurement.Below represent concrete measuring method.Its measuring result is shown in following table 4～8.
A
2/ A
3Reach the absorbancy (A that uses absorption peak wavelength place that detects of markers
2)
For the stoste of the stoste of above-mentioned yellow ink, above-mentioned dark red ink and 10 times of diluents of above-mentioned dark blue ink (diluting solvent: water), use spectrophotometer ((strain) Shimadzu Seisakusho Ltd. system, trade(brand)name " UV3600 ") measurement absorbancy curve separately.Above-mentioned measurement is with reference to carrying out with the pure water by element length 1mm.According to the absorbancy curve that obtains, obtain the absorbancy (A that uses absorption peak wavelength place that detects of markers
2) and the above-mentioned baseline absorbancy (A that detects with absorption peak wavelength place
3), calculate A
2/ A
3
Aberration (Δ E)
Water), 1000 times of diluents of above-mentioned dark red ink (diluting solvent: water) and 1000 times of diluent (diluting solvents: water) of above-mentioned dark blue ink for 1600 times of diluents of above-mentioned yellow ink (diluting solvent:, with spectrophotometer ((strain) Shimadzu Seisakusho Ltd. system, trade(brand)name " UV3600 ") carries out look and measure, obtain L respectively
*Value, a
*Value, b
*Value.Above-mentioned measurement is with reference to carrying out, the numerical value that obtains being made as L respectively with the pure water by element length 10mm
* 1, a
* 1, b
* 1These numerical value with 1976 by the normalized L of International Commission on Illumination (CIE)
*a
*b
*Color specification system (CIE1976 (L
*a
*b
*) color specification system) be basis (with reference to JIS Z8729).
Secondly, remove above-mentioned markers from the ink of the ink of the various embodiments described above and above-mentioned each comparative example, water remedies because of removing the amount that above-mentioned markers reduces, and it is modulated into the benchmark ink, carries out the look measurement equally with above-mentioned, obtains L respectively
*Value, a
*Value, b
*Value.Above-mentioned measurement is with reference to carrying out, the numerical value that obtains being made as L respectively with the pure water by element length 10mm
* 2, a
*2, b
*2.
The L that obtains like this
* 1, a
* 1, b
* 1And L
* 2, a
* 2, b
* 2Numerical value substitution following formula (1), obtain aberration (Δ E).
ΔE＝{(L
* 1—L
* 2)
2+(a
* 1—a
* 2)
2+(b
* 1—b
* 2)
2}
1/2 (1)
A
1/A
2
Water), 1000 times of diluents of above-mentioned dark red ink (diluting solvent: water) and 1000 times of diluent (diluting solvents: water) of above-mentioned dark blue ink for 1600 times of diluents of above-mentioned yellow ink (diluting solvent:, with spectrophotometer ((strain) Shimadzu Seisakusho Ltd. system, trade(brand)name " UV3600 ") measurement absorbancy curve separately.Above-mentioned measurement is with reference to carrying out with the pure water by element length 1mm.According to the absorbancy curve that obtains, obtain the absorbancy (A at the maximum absorption band wavelength place of tinting material
1), according to the absorbancy (A of detecting of it and above-mentioned markers with absorption peak wavelength place
2), calculate A
1/ A
2
Comprehensive evaluation
With reference to above-mentioned A
2/ A
3The absorbancy (A of detecting that calculates result, the measuring result of above-mentioned aberration (Δ E), above-mentioned markers with absorption peak wavelength place
2) measuring result and above-mentioned A
1/ A
2Calculate the result, carried out comprehensive evaluation according to following benchmark.
The comprehensive evaluation benchmark
A: above-mentioned condition (I)～(III) and situation about (V) all satisfying
B: above-mentioned condition (I)～(III) all satisfies, but does not satisfy the situation of (V)
C: also ungratified situation of above-mentioned condition (I)～(III)
Table 4
(unit: weight %, the concentration of tinting material and markers converts by solid-state amount)
Table 5
(unit: weight %, the concentration of tinting material and markers converts by solid-state amount)
(
*1) Cabot corporate system
Table 6
(unit: weight %, the concentration of tinting material and markers converts by solid-state amount)
Table 7
(unit: weight %, the concentration of tinting material and markers converts by solid-state amount)
(
*1) Cabot corporate system
Table 8
(unit: weight %, the concentration of tinting material and markers converts by solid-state amount)
From above-mentioned table 4～8 as can be known, in the ink of whole embodiment, the result of comprehensive evaluation is good.The ink of embodiment 14 does not only satisfy the condition of above-mentioned (V), but, is the practical no problem level that.Carry the print cartridge of the ink that contains each embodiment on inkjet recording device shown in Figure 5, carry out the judgement of the kind of above-mentioned ink, judged result all is suitable ink for all inks.In each embodiment and each comparative example, in order to calculate A
1/ A
2, measured above-mentioned absorbancy (A
1), but in the judgement of the kind of the above-mentioned ink on the inkjet recording device of reality, only measure above-mentioned absorbancy (A
2) get final product.The ink of each comparative example can not correctly carry out the judgement of the kind of above-mentioned ink, perhaps promptly enables to carry out, but because the influence of above-mentioned markers, the look of ink also alters a great deal.
Clearly, embodiment for the above-described, those skilled in the art can carry out various corrections.Therefore, scope of the present invention is determined by claim.
Claims (13)
1. an ink is the ink jet type recording ink that comprises tinting material, wherein,
Above-mentioned tinting material comprises dyestuff,
Above-mentioned ink also comprises markers,
Above-mentioned markers comprises at least a in dyestuff and the pigment, and, at the wavelength place different, have and be used to detect detecting of above-mentioned markers and use absorption peak with the maximum absorption band wavelength of above-mentioned tinting material,
The amount of the condition of above-mentioned tinting material and above-mentioned markers following to satisfy (I)～(III) is contained in the above-mentioned ink,
Above-mentioned tinting material is the scope of 0.1～15 weight % with respect to the combined amount of ink full dose, and above-mentioned markers is the scope of 0.00003～0.3 weight % with respect to the combined amount of ink full dose,
(I)1.2≤A
2/A
3
(II) aberration (Δ E)≤3
(III) convert 0.001≤A by measuring optical path length 1mm
2≤ 5
A
2: the absorbancy that detects usefulness absorption peak wavelength place of above-mentioned markers
A
3: the baseline absorbancy that detects usefulness absorption peak wavelength place of above-mentioned markers
ΔE＝{(L
* 1-L
* 2)
2+(a
* 1-a
* 2)
2+(b
* 1-b
* 2)
2}
1/2
L
* 1: the L of above-mentioned ink jet type recording ink
*Value
L
* 2: the L of benchmark ink
*Value
a
* 1: a of above-mentioned ink jet type recording ink
*Value
a
* 2: a of benchmark ink
*Value
b
* 1: the b of above-mentioned ink jet type recording ink
*Value
b
* 2: the b of benchmark ink
*Value
Benchmark ink: except water replaces above-mentioned markers, with the ink of above-mentioned ink jet type recording ink same composition.
2. ink according to claim 1, wherein, also satisfy the condition of following (IV):
(IV)50nm≤|λ
1-λ
2|
λ
1: the maximum absorption band wavelength of described tinting material
λ
2: the absorption peak wavelength is used in detecting of described markers.
3. ink according to claim 1, wherein, described condition (I) is 1.5≤A
2/ A
3
4. ink according to claim 1, wherein, described tinting material and described markers
Also be contained in the described ink with the amount that satisfies following condition (V):
(V)50≤A
1/A
2≤30000
A
1: the absorbancy at the maximum absorption band wavelength place of described tinting material.
5. ink according to claim 1, wherein, the maximum absorption band of described tinting material is in the scope of wavelength 360～450nm, the described scope that is in 550～780nm with absorption peak that detects of described markers.
6. ink according to claim 1, wherein, the maximum absorption band of described tinting material is in the scope of wavelength 500～570nm, the described scope that is in 600～780nm with absorption peak that detects of described markers.
7. ink according to claim 1, wherein, the maximum absorption band of described tinting material is in the scope of wavelength 570～780nm, the described scope that is in 450～500nm with absorption peak that detects of described markers.
8. ink according to claim 1, wherein, described the detecting with the absorption peak wavelength of the maximum absorption band wavelength of described tinting material and described markers all is in the visible region.
9. a print cartridge is the print cartridge that contains the ink jet type recording ink, and wherein, described ink is the described ink of claim 1.
10. an inkjet recording device is the inkjet recording device that disassembled and assembled freely ground carries print cartridge, wherein,
Described print cartridge is the described print cartridge of claim 9,
Described inkjet recording device comprises optical measuring device and judgment means,
Described optical measuring device is measured the described absorbancy that detects with the described ink at absorption peak wavelength place of described markers, generates described absorbancy information,
Described judgment means is judged the kind of described ink according to described absorbancy information, generates ink information in the described print cartridge.
11. inkjet recording device according to claim 10, wherein,
Described judgment means also comprises reasonable ink information data, checks device and information output apparatus, and the described device of checking is checked ink information and described reasonable ink information data in the described print cartridge, generates cross-check information,
Described information output apparatus output is by the described described cross-check information of checking the device generation.
12. inkjet recording device according to claim 10, wherein, described optical measuring device comprises optical sensor.
13. inkjet recording device according to claim 12, wherein,
Described optical sensor measurement comprises that described detecting with the absorption peak wavelength reaches and the described absorbancy that detects with at least 2 wavelength of the different wavelength of absorption peak wavelength,
Described optical measuring device generates described absorbancy information according to the absorbancy of described 2 wavelength.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-108593 | 2006-04-11 | ||
| JP2006108593 | 2006-04-11 | ||
| JP2006108593 | 2006-04-11 | ||
| JP2006-342715 | 2006-12-20 | ||
| JP2006342715 | 2006-12-20 | ||
| JP2006342715 | 2006-12-20 | ||
| JP2007096481 | 2007-04-02 | ||
| JP2007096481A JP5577564B2 (en) | 2006-04-11 | 2007-04-02 | Ink jet recording ink and ink jet recording apparatus |
| JP2007-096481 | 2007-04-02 |
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| Publication Number | Publication Date |
|---|---|
| CN101096478A CN101096478A (en) | 2008-01-02 |
| CN101096478B true CN101096478B (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100965353A Active CN101096478B (en) | 2006-04-11 | 2007-04-11 | Ink for ink-jet recording, ink cartridge, and ink-jet recording apparatus |
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| Country | Link |
|---|---|
| JP (1) | JP5577564B2 (en) |
| CN (1) | CN101096478B (en) |
| AT (1) | ATE493478T1 (en) |
| DE (1) | DE602007011521D1 (en) |
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|---|---|---|---|---|
| US8240834B2 (en) | 2006-04-11 | 2012-08-14 | Brother Kogyo Kabushiki Kaisha | Ink for ink-jet recording, ink cartridge, and ink-jet recording apparatus |
| US10059854B2 (en) * | 2015-12-22 | 2018-08-28 | Troy Group, Inc. | Composition and method of making aqueous penetrating inkjet ink |
| CN110039906B (en) * | 2019-06-17 | 2019-09-13 | 蒙娜丽莎集团股份有限公司 | A kind of ceramic ink jet machine adds black detection device and its application method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373169A (en) * | 2001-03-07 | 2002-10-09 | 财团法人工业技术研究院 | Ink composition |
| US20050279248A1 (en) * | 2004-06-22 | 2005-12-22 | Pitney Bowes Incorporated | Signature protected photosensitive optically variable ink compositions and process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6245135B1 (en) * | 1997-08-22 | 2001-06-12 | Xerox Corporation | Phase change ink composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373169A (en) * | 2001-03-07 | 2002-10-09 | 财团法人工业技术研究院 | Ink composition |
| US20050279248A1 (en) * | 2004-06-22 | 2005-12-22 | Pitney Bowes Incorporated | Signature protected photosensitive optically variable ink compositions and process |
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| Publication number | Publication date |
|---|---|
| JP5577564B2 (en) | 2014-08-27 |
| DE602007011521D1 (en) | 2011-02-10 |
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| ATE493478T1 (en) | 2011-01-15 |
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