CN101173128A - Liquid composition, ink jet recording method, ink jet recording apparatus and recorded article - Google Patents
Liquid composition, ink jet recording method, ink jet recording apparatus and recorded article Download PDFInfo
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- CN101173128A CN101173128A CNA2007101848709A CN200710184870A CN101173128A CN 101173128 A CN101173128 A CN 101173128A CN A2007101848709 A CNA2007101848709 A CN A2007101848709A CN 200710184870 A CN200710184870 A CN 200710184870A CN 101173128 A CN101173128 A CN 101173128A
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Abstract
The present invention provides the liquid composition for preventing undesirable situation caused by unnecessary curing reaction of the optical free radical solidified type ink liquid composition, ink jet recording method, ink jet recording apparatus and recorded article thereof. The liquid composition contains a free radical polymerization inhibitor, a solvent and a surfactant, wherein the characteristics are that: the content of the radical polymerization inhibitor is 0.1 to 50% by weight. And the characteristics of the ink jet recording method are that: the step of jetting the liquid drops of the optical free radical solidified type ink liquid composition on the recording media; the step of jetting the liquid drops of the liquid composition from the parts except the parts that jetting liquid drops of the optical free radical solidified type ink liquid composition; and the step of irradiating by the ultraviolet for solidifying the liquid drops adhering on the recording media.
Description
Technical field
The present invention relates to a kind of liquid composition, ink jet recording method, ink-jet recording device and record thing, relate in particular to liquid composition, ink jet recording method, ink-jet recording device and the record thing of the unfavorable condition that the unnecessary curing reaction that prevents optical free radical curing ink composition causes.
Background technology
Under the situation of preparation ink-jet with the pigment inks fluid composition, use diverting device to come dispersion treatment pigment usually, be processed into pigment and in ink composition, stably disperse.In light solidified pigment inks fluid composition, in black liquid solvent, use to be called as monomeric polymerizable compound, but it is difficult to the pigment dispersion treatment.This is because under the effect of the free radical that the heat that produces when dispersion treatment or mechanochemistry ground (mechanochemical) produce, monomer begins initiated polymerization, and cause that viscosity increases or gelation and so on do not wish the phenomenon that occurs.
In addition, the also known ink composition that is called as monomeric polymerizable compound of containing is in preserving for a long time, because dark reaction and carry out viscosity inevitably and increase or gelation.
In order to improve this unfavorable condition, comprise and add liquid composition or the ink jet recording method that polymerization retarder suppresses monomeric polyreaction.For example disclosing can be by containing the solution (solution 1) that contains polymerizable compound and Photoepolymerizationinitiater initiater in recording medium and any one party of the solution (solution 2) that contains polymerization retarder becomes black liquid in the look material, make after solution 1 adheres to, solution 2 is adhered to, carry out lettering, thereby be cured reaction effectively, in addition, also preferably to improve the storage stability (patent documentation 1) of ink composition.
Patent documentation 1: the spy opens the 2006-150665 communique
Utilize these methods, can suppress the unnecessary polyreaction between preservation period, in addition, also must in each mechanism of recording unit or part, suppress unnecessary polyreaction.
The optical free radical curing ink composition that utilizes Raolical polymerizable except situation about being consumed, also has situation about also being consumed in the purposes beyond printing in the printing purposes in ink-jet recording device.For example, in the flushing of carrying out in order to safeguard nozzle (flushing) is handled, the consumption that on the cap member of head, sponge member, sprays as black liquid absorption piece, the consumption that attracts with pump during cleaning, be attached to the consumption of wiper blade (wiper blade), and then in boundless printing, be ejected into as consumption on the sponge member of the black liquid absorption piece of non-lettering portion etc.
But, if optical free radical curing ink composition has the next generation solidified of light character such as the ultraviolet ray of being exposed to, if so the pipe arrangement of cap member, the pump of the head that adheres to optical free radical curing ink composition, wiper blade, as the sponge member irradiation ultraviolet radiation of black liquid absorption piece, then optical free radical curing ink composition solidifies, and the original due function of each part reduces.
In addition, usually in optical free radical curing ink composition, add a small amount of polymerization retarder that is used to the degree of giving the package stability of ink composition and not hindering the Raolical polymerizable under uviolizing.And, because known radical polymerization is hindered by airborne oxygen, so, considered to alleviate in optical free radical curing ink composition oxygen to the countermeasure of the obstruction of Raolical polymerizable in order to obtain good solidified nature.On the other hand, the optical free radical curing ink composition that ink-jet is used makes black liquid become drop and makes its leap, so the ratio of the surface-area that black relatively liquid amasss uprises.So, although the optical free radical curing ink composition that ink-jet is used exists the effect of a spot of polymerization retarder or the obstruction effect of airborne oxygen, if even irradiation ultraviolet radiation then in air, also solidify easily.
Summary of the invention
The present invention proposes in order to address this is that just, and liquid composition, ink jet recording method, ink-jet recording device and the record thing of the unfavorable condition that a kind of unnecessary curing reaction that prevents optical free radical curing ink composition causes is provided.
In order to solve described problem, the inventor etc. concentrate on studies, found that except that optical free radical curing ink composition, by using the liquid composition of curing reaction that is used to prevent optical free radical curing ink composition very excessively contain radical polymerization inhibitor, can prevent the generation of unfavorable condition.
The present invention just is being based on this opinion and is proposing, and following invention is provided.
[1] a kind of liquid composition, it is the liquid composition that contains radical polymerization inhibitor, solvent and tensio-active agent, it is characterized in that, the content of this radical polymerization inhibitor (ラ ジ カ Le overlaps and forbids drug) is 0.1～50 weight %.
In addition, the optimal way of the invention described above is as described below.[2] according to [1] described liquid composition, it is characterized in that described radical polymerization inhibitor is the compound more than select at least a from the quinones of hydroquinones, catechol (カ テ コ one Le) class, bulky amine (ヒ Application ダ one De ア ミ Application) class, phenol, thiodiphenylamine (Off エ ノ チ ア ジ Application) class, condensation aromatic ring.
[3] according to [1] described liquid composition, it is characterized in that described radical polymerization inhibitor is carbon black or the inorganic organic fine particles that has imported polymerization retardation functional group to the surface.
[4] according to any described liquid composition in [1]～[3], it is characterized in that described solvent is for from ethylene glycol, Diethylene Glycol, triethylene glycol, TEG, carbonatoms being more than one the compound of selecting ether of the polyoxyethylene glycol more than 10 or the diether.
[5] according to [1]～[any described liquid composition in 4, it is characterized in that, described tensio-active agent for from polyether modified silicone (sex change シ リ コ one Application) be, polyester modification silicone-based, acetylenediol (ア セ チ レ Application ジ オ one Le) are more than one the compound of selecting the tensio-active agent.
[6] according to any described liquid composition in [1]～[5], it is characterized in that, and then contain lactone.
In addition, the inventor waits following invention also is provided.[7] a kind of black liquid group (イ Application Network セ Star ト), wherein, contain [1]～[6] in any described liquid composition and optical free radical curing ink composition.
In addition, the inventor waits provides following invention.[8] a kind of ink jet recording method, it is characterized in that, have: the step of the drop of ejection optical free radical curing ink composition on recording medium, with the position beyond the position of the drop ejection that makes this optical free radical curing ink composition in order to form image, ejection [1]～[6] thus in the step and the irradiation ultraviolet radiation of drop of any described liquid composition make the drop step of curing that is attached to this recording medium.
The optimal way of the invention described above is as described below.[9] according to [8] described ink jet recording method, it is characterized in that making position beyond the position that the drop of this optical free radical curing ink composition is ejected in order to form image is cap (キ ヤ Star プ), slide (wiper, ワ イ パ one), the black liquid absorption piece (イ Application Network absorbs material) of ink-jet recording device, at least one of pipe pump (tube pump).
[10] according to [8] and [9] described ink jet recording method, it is characterized in that described optical free radical curing ink composition and then contain amine compound.
[11] according to any described ink jet recording method in [8]～[10], it is characterized in that described optical free radical curing ink composition and then contain hyperbranched (hyper branch polymer) polymkeric substance.
[12] according to any described ink jet recording method in [8]～[11], it is characterized in that described optical free radical curing ink composition is the single component curing.
[13] according to any described ink jet recording method in [8]～[11], it is characterized in that described optical free radical curing ink composition is the two-pack curing.
In addition, the inventor waits also provides following invention.[14] a kind of record thing is characterized in that, any described ink jet recording method carries out record in utilization [8]～[13].
In addition, the inventor waits also provides following invention.[15] a kind of ink-jet recording device wherein, possesses: the light irradiation device that any described liquid composition and optical free radical curing ink composition and this optical free radical curing ink composition are used in [1]～[6].
The optimal way of foregoing invention is as described below.[16] according to [15] described recording unit, wherein, the light wavelength of radiating from described light irradiation device is the scope of 350～450nm.
Utilize liquid composition of the present invention, ink jet recording method, ink-jet recording device and record thing, the content of radical polymerization inhibitor contains more than radical polymerization inhibitor in the past, hinders the Raolical polymerizable of optical free radical curing ink composition effectively.So, even optical free radical curing ink composition is attached to any part (part etc.) in the ink-jet recording device, also can prevent the curing of liquid composition of the present invention, can prevent to follow optical free radical curing ink composition to take place to solidify and the function of each part in the ink-jet recording device that produces reduces or unfavorable condition such as function stop.
Embodiment
Below optimal way of the present invention is described.
[liquid composition]
Liquid composition in the embodiments of the invention contains radical polymerization inhibitor, solvent and tensio-active agent, and the content of this radical polymerization inhibitor is 0.1～50 weight %.
In the present embodiment, " radical polymerization inhibitor " is the material that very excessively uses in order fully to prevent monomeric polymerization, for suppress in the optical free radical curing ink composition monomeric polymerization, improve the package stability of optical free radical curing ink composition, and with solidify the polymerization retarder that uses with the concentration about minute quantity, tens of～hundreds of ppm in the ink composition at optical free radical and on using method, have any different.
As mentioned above, the content of described radical polymerization inhibitor is 0.1～50 weight %, from the viewpoint of ejection suitability or effect efficient, more preferably 10～30 weight %.
Under the situation of content less than 0.1 weight % of described radical polymerization inhibitor, can not obtain effect of the present invention owing to allow the curing of photo-polymerization type ink composition.On the other hand, surpass under the situation of 50 weight % at the content of described radical polymerization inhibitor, because crystallization is separated out along with temperature variation, thus unfavorable condition such as pipe arrangement obturation may take place, so not preferred.
Described radical polymerization inhibitor is so long as have the compound of radical-scavenging ability and get final product, can use without a doubt, the polymerization that obtains from relative ejection suitability or content prevents that effect from being the viewpoint of efficient, is preferably the compound more than select from the quinones of hydroquinones, pyrocatechol, steric hindrance amine, phenol, phenothiazines, condensation aromatic ring at least a.
As the concrete example of described hydroquinones, for example can enumerate quinhydrones, quinhydrones monomethyl ether, 1-neighbour-2,3,5-Trimethylhydroquinone, 2-tertiary butylated hydroquinone etc.
As the concrete example of described pyrocatechol, for example can enumerate catechol, 4-methyl catechol, 4-tert-butyl catechol etc.
As the concrete example of described steric hindrance amine, for example can enumerate the have tetramethyl-piperidyl compound etc. of (ピ ペ リ ジ ニ Le).
As the concrete example of described phenol, for example can enumerate phenol, butylhydroxy toluene, butyl hydroxyanisole, pyrogaelol, gallic acid, alkyl gallates, sterically hindered phenol etc.
As the concrete example of described phenothiazines, for example can enumerate thiodiphenylamine etc.
As the concrete example of described condensation aromatic ring, for example can enumerate naphthoquinones etc.
In addition, the polymerization-inhibiting effects that obtains from relative content is the viewpoint of efficient, and described radical polymerization inhibitor is preferably carbon black or has imported the inorganic organic fine particles of polymerization retardation functional group to the surface.As the concrete example of polymerization retardation functional group, for example can enumerate hydroxyphenyl, dihydroxypropyl, tetramethyl-piperidyl, condensation aromatic ring etc.
Described polymerization retarder can obtain with the trade(brand)name of Irgastab UV10, the UV-22 of the special pharmaceutical chemicals of Chiba (チ バ ス ペ シ ヤ Le テ イ ケ ミ カ Le ズ) company.
From low volatility, low viscous viewpoint, it is more than one the compound of selecting ether of the polyoxyethylene glycol more than 10 or the diether that described solvent is preferably from ethylene glycol, Diethylene Glycol, triethylene glycol, TEG, carbonatoms.From satisfying the viewpoint of above-mentioned condition and then ejection characteristic, preferred especially diethylene glycol dimethyl ether, diethylene glycol diethyl ether, triethylene glycol monobutyl ether, triethylene glycol dme, TEG monobutyl ether, tetraethyleneglycol dimethyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monobutyl ether, dipropylene glycol dme.
The addition of described solvent is preferably 49.9～99.9 weight %.
From the viewpoint of the wettability that improves the relative record medium, described tensio-active agent is preferably more than one compound of from BYK-347,348, UV3500, UV3510, UV3570 (PVC Star Network ケ ミ one ジ ヤ パ Application corporate system), サ one Off イ ノ one Le E1010 (day letter chemical company system) selection.
The addition of described tensio-active agent is preferably 0.01～5.0 weight %.
From the viewpoint of the wettability that improves relative bulking block, the liquid composition in the present embodiment is preferred and then contain lactone.
As the concrete example of described lactone, for example can enumerate gamma-butyrolactone etc.
The addition of described lactone is preferably 1.0～30 weight %.
[black liquid group]
Black liquid group in the embodiments of the invention contains liquid composition, optical free radical curing ink composition.Wherein, liquid composition uses the aforesaid liquid composition.
Described optical free radical curing ink composition for example can contain polymerizable compound, hyperbranched polymer, polymerization starter, polymerization promotor and dispersible pigment dispersion.
Polymerizable compound (monomer) as using in the described optical free radical curing ink composition is not particularly limited, and can use various polymerizable compounds, for example can enumerate the N-vinyl formamide (hereinafter referred to as " NVF ".), ethylene glycol one allyl ethers (hereinafter referred to as " AG "), APG-200 (Xin Zhong village chemical industry system), PVC ス コ one ト #360 (Osaka organic chemistry industrial system) etc.
The addition of described polymerizable compound is preferably 50～95 weight %.
As the hyperbranched polymer that uses in the described optical free radical curing ink composition, preferably fall Dipentaerythritol and make functional group's ramose hyperbranched polymer as core.At this, " hyperbranched polymer " is meant the high molecular polymkeric substance of arborescent multiple-limb that is made of a plurality of branches.Hyperbranched polymer can be with the acquisitions such as PVC ス コ one ト #1000, STAR-501 of Osaka organic chemistry industrial system.
In addition, in the present invention, as hyperbranched polymer, preferred " PVC ス コ one ト #1000 ", " STAR-501 " of using.Should " PVC ス コ one ト #1000 ", " STAR-501 " be with the Dipentaerythritol be core make functional group's ramose hyperbranched polymer, " PVC ス コ one ト #1000 " contains glycol diacrylate as diluting monomer, viscosity is that 273mPas, functional group's number are 14 (propenyl), " STAR-501 " contains dipentaerythritol acrylate as diluting monomer, viscosity: 210Pas, functional group's number are 20～99 (propenyl).All have acryl, can preferably use at outermost.
The addition of described hyperbranched polymer is preferably 1.0～30.0 weight %.
As the polymerization starter that uses in the described optical free radical curing ink composition, can use known Photoepolymerizationinitiater initiater, the spy of record in 39～56 pages of photopolymer handbook (photopolymer handbook) (photopolymer (photopolymer) forum (Ken Words meeting) compile the census of manufacturing can issue 1989) to hold clear 64-13142 number, spy arbitrarily and hold the compound of record in flat 2-4804 number.
The polymerization starter that contains in the optical free radical curing ink composition as present embodiment for example absorbs the ultraviolet ray or the visible light in the zone about 200nm～450nm, produces free radical or ion, thus the polymeric material of initiated polymerization compound.
If the polymerization starter that uses in the described optical free radical curing ink composition is enumerated representative radical initiator, can enumerate benzoin methylether, ethoxybenzoin, the sec.-propyl benzoin ether, the isobutyl-benzoin ether, 1-phenyl-1,2-propanedione-2-(adjacent ethoxy carbonyl) oxime, dibenzoyl, the diethoxy phenyl methyl ketone, benzophenone, clopenthixal ketone, the 2-clopenthixal ketone, isopropyl thioxanthone, 2-methyl thioxanthone, the polychlorostyrene polyphenylene, Perchlorobenzene etc., preferred isobutyl-benzoin ether, 1-phenyl-1,2-propanedione-2-(adjacent ethoxy carbonyl) oxime.
In addition, can also use can be with Vicure10,30 (Stauffer Chemical corporate systems), Irgacure184,127,500,651,2959,907,369,379,754,1700,1800,1850,1870,819,4265, OXE01, Darocur1173, TPO, ITX (the special chemical drug company system of Chiba), Quantacure CTX, ITX (Aceto Chemical corporate system), Kayacure DETX-S (Japanese chemical drug corporate system), ESACURE KIP150 (Lamberti corporate system), the polymerization starter that the trade(brand)name of Lucirin TPO (BASF AG's system) obtains.
The addition of described polymerization starter is preferably 0.5～15 weight %.
As the polymerization promotor that uses in the described optical free radical curing ink composition, for example can enumerate the polymerization promotor that constitutes by amine compound.As this amine compound, be not particularly limited, from the curing of foul smell problem or the ink composition more reliable point that becomes, preferred especially benzaminic acid salt derivative.This is to hinder polymerization because the benzaminic acid salt derivative can alleviate oxygen.
The benzaminic acid salt derivative preferably wavelength domain more than 350nm does not have absorption.Example as such benzaminic acid salt derivative, be not particularly limited, can enumerate ethyl-4-dimethylaminobenzoic acid salt, 2-ethylhexyl-4-dimethylaminobenzoic acid salt etc., this can obtain with the trade(brand)name of Darocur EDB, EHA (the special chemical drug company system of Chiba).
The addition of described polymerization promotor is preferably 0.01～5.0 weight %.
In addition, also can be in order effectively the light that shines to be used for polyreaction and to add sensitizing agent.As sensitizing agent, can enumerate pigment derivatives such as coumarin series, phthalocyanine system, anthraquinone system.
Dispersible pigment dispersion as using in the described optical free radical curing ink composition can contain tinting material, dispersion agent, polymerizable compound, polymerization retarder at least.
As the tinting material that uses in the described dispersible pigment dispersion,, preferably use pigment from sunproof viewpoint.Pigment can use any one of mineral dye and pigment dyestuff.
As mineral dye, can use carbon black (C.I. Pigment black 7) class, ferric oxide, titanium dioxide, aluminum oxide, lime carbonate etc. such as furnace treated black, dim, Shawinigan black, thermally oxidized black.
In addition, as pigment dyestuff, can enumerate insoluble azo colour, condensed azo-pigment, azo lake, azo pigment such as inner complex azo pigment, phthalocyanine pigment perylene and purple cyclic ketones (perinone), pigment, anthraquinone pigment, quinoline a word used for translation (two) ketone pigment, dioxane pigment, thioindigo color, isoindolinone pigment, polycycle pigment such as Kui phthalein ketone pigment, dyestuff inner complex (basic dye type chelates for example, acidic dye type chelate etc.), dyeing (basic dye type color lake, color lake, the acidic dye type color lake), nitropigments, nitroso pigments, nigrosine, high-visibility pigment etc.Described pigment can use a kind of separately or is and two or more with using.In addition, even there is not the pigment of record in color index (colorindex),, all can use as long as be insoluble in ink composition.
As mineral black, preferred carbon black.As the sooty concrete example, can enumerate the #2300 of Mitsubishi Chemical's system, #900, HCF88, #33, #40, #45, #52, MA7, MA8, MA100, #2200B etc., the Raven5750 of Colombia (コ ロ Application PVC ア) corporate system, with 5250, with 5000, with 3500, with 1255, same 700 etc., the Regal 400R of キ ヤ ボ Star ト corporate system, same 330R, same 660R, Mogul L is with 700, Monarch 800, with 880, with 900, with 1000, with 1100, with 1300, same 1400 etc., the Color Black FW1 of デ グ Star サ corporate system, same FW2V, same FW18, same FW200, Color Black S150, same S160, same S170, Printex35, same U, same V, same 140U, Specisal Black 6, with 5, same 4A, with 4 etc., can use their one or both mixture.
As yellow pigment, can enumerate C.I. Pigment Yellow 73 1,2,3,12,13,14,16,17,73,74,75,83,93,95,97,98,109,110,114,120,128,129,138,150,151,154,155,180,185,213 etc., preferably the mixture of one or more that from C.I. Pigment Yellow 73 74,109,110,128,138 and 213 groups that constitute, select.
As pinkish red and light (light) magenta pigment, can enumerate C.I. Pigment red 5,7,12,48 (Ca), 48 (Mn), 57 (Ca), 15:1,112,122,123,168,184,202,209 and C.I. pigment violet 19 etc., preferably from C.I. pigment red 122,202,209 and the group that constitutes of C.I. pigment violet 19 one or more the mixture selected.
As cyanogen or light cyanogen pigment, can enumerate C.I. pigment blue 1,2,3,15:3,15:4,15:34,16,22,60 and C.I. バ Star ト Block Le one 4,60 etc., preferably from the C.I. pigment Blue 15: 3, the mixture of one or more that select 15:4 and 60 groups that constitute.
As the pigment that uses in the white ink liquid, can enumerate titanium dioxide, lime carbonate, calcium sulfate, zinc oxide, barium sulfate, barium carbonate, silicon oxide, aluminum oxide, kaolin, clay, talcum, carclazyte, aluminium hydroxide, magnesiumcarbonate, white hollow resin latex etc., preferably the mixture of one or more that from the group that they constitute, select.
In addition, in order to adjust its tone, also can be mixed with each other and use pigment of all kinds.For example, for red black tone is become indigo plant, can hybrid pigment black 7 and pigment Blue 15: 3.
Its median size of the pigment optimization that uses in the present embodiment is in the scope of 10～500nm, more preferably about 50～300mn.In addition, the use level of the pigment that uses in the present embodiment also can suitably determine according to the kind of ink compositions such as depth ink composition, for 1.5～20 weight % in the ink composition, be preferably 3～10 weight %.
As the dispersion agent that uses in the described dispersible pigment dispersion, for example can use polyoxyalkylene polyalkylene polyamine (C
2H
4N)
n-(PO)
x-(EO)
y(in the described formula, n, x and y represent the integer more than 1 respectively to-OH, PO representative ring Ethylene Oxide, EO representative ring oxidative ethane.)。As the concrete example of polyoxyalkylene polyalkylene polyamine, for example can enumerate デ イ ス コ one Le (Discole) N-503, N-506, N-509, N-512, N-515, N-518, N-520 etc.
The addition of described dispersion agent is preferably 0.1～20 weight %, more preferably 0.5～10 quality %.
As the free-radical polymerised compound that uses in the described dispersible pigment dispersion, so long as the dispersible pigment dispersion that uses in photo curable ink gets final product usually, be not particularly limited, can preferably enumerate allylic cpd, can more preferably enumerate the allyl ether compound, ethylene glycol one allyl ether, the TriMethylolPropane(TMP) diallyl ether, TriMethylolPropane(TMP) one allyl ether, glycerine one allyl ether, glycidyl allyl ether, tetramethylolmethane three allyl ethers, preferred especially ethylene glycol one allyl ether, TriMethylolPropane(TMP) diallyl ether and/or N-vinyl compound especially preferably contain the N-vinyl formamide.
Ethylene glycol one allyl ether and/or N-vinyl formamide are the free radical polymerization monomer of simple function, and under the effect of the dark reaction in preservation, it is lower that undesirable polymeric trend takes place, and are fit to use.
Allyl ether compounds such as ethylene glycol one allyl ether (trade(brand)name ア リ Le グ リ コ one Le), TriMethylolPropane(TMP) diallyl ether particularly, even exist the branch of optical free radical polymerization starter to take off the carbon radicals of generation, also have the polymeric characteristic does not take place when independent.
As the polymerizable compound beyond this N-vinyl formamide and ethylene glycol one allyl ether, so long as can utilize the free radical that produces from Photoepolymerizationinitiater initiater or ion the polymeric polymerizable compound taking place gets final product, be not particularly limited.Such polymerizable compound is meant the molecule of the structural unit that can become high molecular essential structure.Such polymerizable compound is also referred to as photopolymerization monomer, comprises monofunctional monomer, two functional monomers, polyfunctional monomer.Wherein, as this monofunctional monomer, two functional monomers, polyfunctional monomer, be not particularly limited, can use molecular weight is the photopolymerization monomer of about 100～3000 (being preferably about 100～2000).
Typical example as such polymerizable compound; as monofunctional monomer, can enumerate vinylformic acid phenoxy group ethyl ester, isobornyl acrylate, methoxyl group Diethylene Glycol one acrylate, acryloyl morpholine, methacrylic acid Lauryl Ester, methacrylic acid 2-hydroxyethyl ester, cyclohexyl methacrylate, trimethylene oxide methacrylic ester etc.
As two functional monomers, can enumerate ethylene glycol dimethacrylate, diethylene glycol diacrylate, Diethylene Glycol dimethacrylate, tripropylene glycol diacrylate, 1,9-nonanediol diacrylate, polyoxyethylene glycol #400 diacrylate, TEG dimethacrylate, 1,6-hexanediyl ester, neopentylglycol diacrylate, neopentylglycol dimethacrylate, 2-hydroxyl-1,3-dimethyl propylene acyloxy propane, hydroxyl ピ オ ペ リ Application acid esters neopentylglycol diacrylate, 1,4-butylene glycol dimethacrylate etc.
As polyfunctional monomer, can enumerate the tree type compounds (デ Application De リ マ one) of the reaction making that utilizes between Viscoat 295, trimethylolpropane trimethacrylate, TriMethylolPropane(TMP) EO affixture triacrylate, TriMethylolPropane(TMP) PO affixture triacrylate, glycerine EO affixture triacrylate, glycerine PO affixture triacrylate, pentaerythritol triacrylate, dipentaerythritol acrylate, Dipentaerythritol polyacrylic ester, polyfunctional monomer etc.
The addition of described polymerizable compound is preferably 5～95 weight %.
As the radical polymerization inhibitor that uses in the described dispersible pigment dispersion, be that oxidation inhibitor, hindered amine light stabilizer, phosphorus are oxidation inhibitor, the widely used quinhydrones monomethyl ether, can also enumerate Resorcinol, tert-butyl catechol, pyrogallol etc. in (methyl) Acrylic Acid Monomer for example except phenol.
The addition of described radical polymerization inhibitor is preferably 0.001～0.5 weight %.
Also can in the optical free radical curing ink composition of present embodiment, contain aqueous solvent.And then, also can add resin emulsion, inorganic oxide colloid, wetting agent, pH regulator agent, sanitas, mould inhibitor, tensio-active agent etc. as any composition.
In addition, described optical free radical curing ink composition can be single component curing or two-pack curing.
[recording method]
Described liquid composition and optical free radical curing ink composition can be preferred for writing appliance class, pressing molds etc. such as pen, thereby and then are preferred for spraying the drop of optical free radical curing ink composition and this drop is attached in the ink jet recording method that recording medium writes down.At this, " ink jet recording method " is meant and utilizes minute nozzle to spray ink composition with drop, make this drop be attached to the method for recording medium.Concrete example below is described.
Ink jet recording method in the present embodiment has: the step of the drop of ejection optical free radical curing ink composition on recording medium; Position to the position that sprays except the drop that makes this optical free radical curing ink composition in order to form image sprays the step of the drop of described liquid composition; Thereby irradiation ultraviolet radiation makes the drop step of curing that is attached to this recording medium.
At this, as " position except the position of the drop ejection that makes this optical free radical curing ink composition in order to form image ", for example can enumerate ink-jet recording device cap, slide, black liquid absorption piece, manage at least one of pump.If optical free radical curing ink composition irradiation ultraviolet radiation then solidifies by polyreaction.So if the position irradiation ultraviolet radiation that adheres to optical free radical curing ink compositions such as the cap of ink-jet recording device, slide, black liquid absorption piece, pipe pumps, then optical free radical curing ink composition solidifies at this position.So, in the presence of the China ink liquid of solidified (resinification cured article), these part generation functions reduce or unfavorable condition such as dysfunction.
Relative therewith, if to ejection aforesaid liquid compositions such as the cap of ink-jet recording device, slide, black liquid absorption piece, pipe pumps, then the radical polymerization inhibitor that contains in the liquid composition prevents the curing reaction of optical free radical curing ink composition.So, suppose that optical free radical curing ink composition is attached to cap, slide, black liquid absorption piece, pipe pump etc., even then under the situation of irradiation ultraviolet radiation, black liquid (resin) can not take place yet solidify.As a result, unfavorable condition can not take place in ink-jet recording device, can keep its performance for a long time.
The step of the drop of the position ejection liquid composition to the position that is ejected into except the drop that makes this optical free radical curing ink composition in order to form image for example can be carried out with the methods such as ejection of the liquid composition in cleaning or the service action.
The opportunity of ejection liquid composition must be before optical free radical curing ink composition solidifies.The liquid composition of Shi Yonging finally also will hinder the Raolical polymerizable of optical free radical curing China ink liquid in the present embodiment, in case after solidifying then can not make resin dissolves.
The spray volume of described liquid composition is assumed to be at the spray volume with optical free radical curing ink composition under 1 the situation, is preferably 0.1～10.
As the method for ejection optical free radical curing ink composition, can enumerate the method for following explanation.
First method is the electrostatic attraction mode, this mode is to nozzle and is positioned between the accelerating electrode in the place ahead of nozzle and applies highfield, with droplet-like continuously from nozzle ejection China ink liquid, thereby give the mode of printing information signal record when the China ink drop leaps to deflection electrode between deflection electrode, perhaps do not make black drop deflection and the mode of corresponding printing information signal injection.
Second method is for by exerting pressure to black hydraulic pressure with pony pump, nozzle is mechanically vibrated and makes the mode of black droplet jet forcibly with quartz crystal unit etc.The black drop that makes injection is charged when spraying, thereby gives printing information signal record to deflection electrode when black drop leaps between deflection electrode.
Third party's method is to exert pressure and the printing information signal to black liquid simultaneously with piezoelectric element for using the mode of piezoelectric element (piezo element), the mode of injection record China ink drop.
Cubic formula is to utilize the effect of thermal energy to make black liquid that the mode of volumetric expansion take place sharp, according to the printing information signal black liquid heating is bubbled with microelectrode, the mode of injection record China ink drop.
All can in the ink jet recording method of present embodiment, use with upper type, can be filled in the ink-jet tube (cartridge) of variety of way.
After the described liquid composition of ejection, according to ordinary method, irradiation ultraviolet radiation solidifies the drop that is attached to recording medium.
As recording medium, be not particularly limited, for example can use various recording mediums such as common paper, ink-jet dedicated paper (unglazed finish, glossy paper), glass, plastics, film, metal, printed wiring board.
Ultraviolet irradiation is preferably suitably selected optimum condition according to being attached to ink composition amount on substrate or the recording medium etc. or thickness.So, can not be strictly specific, for example from the light wavelength of light irradiation device radiation preferably in the scope of 350～450nm.
In addition, the ultraviolet irradiation amount is at 10mJ/cm
2More than, 10,000mJ/cm
2Below, more preferably at 50mJ/cm
2More than, 6,000mJ/cm
2Following scope is carried out.If be the ultraviolet irradiation amount in the scope of this degree, then can carry out the curing reaction of optical free radical curing ink composition fully.
Uviolizing can be enumerated metal halide lamp, xenon lamp, carbon arc lamp, chemical lamp, low pressure mercury lamp, high voltage mercury lamp or the like.For example can use the commercially available lamp such as H lamp, D lamp, V lamp of Fusion System corporate system to carry out.
In addition, from lowering catabiotic aspect, especially preferably utilize luminescence-utraviolet semiconductor elements such as ultraviolet LED (ultraviolet LED) or luminescence-utraviolet semiconductor laser to carry out uviolizing.
In addition, in the ink jet recording method of present embodiment, also can be before ultraviolet light irradiation, simultaneously or heat afterwards.Heating can be enumerated the method that thermal source contact history medium is heated, and irradiation ultraviolet radiation or microwave (2, having the hertzian wave of very big wavelength about 450MHz) etc. or spray hot blast etc. be the method that heats of contact history medium etc. not.
[record thing]
The record thing of embodiment uses described liquid composition and optical free radical curing ink composition, utilizes described ink jet recording method to carry out record.This record thing can use described liquid composition and optical free radical curing ink composition, utilize described ink jet recording method to obtain,, demonstrate outstanding lettering stability so the lettering quality is good, present beautiful color status, and can keep this beautiful color status for a long time.
[embodiment]
[the free-radical polymerised preparation that prevents liquid composition]
Prevent liquid composition with the polymerization in following composition preparation embodiment 1～8 and the comparative example 1～5.That is, mix and fully dissolution solvent, tensio-active agent, radical polymerization inhibitor, use the film filter of 5 μ m to filter, preparation radical polymerization prevents composition.
(embodiment 1) radical polymerization prevents liquid composition 1
Radical polymerization prevents liquid composition 1
Diethylene glycol diethyl ether 59.5 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
Quinhydrones monomethyl ether 10 weight %
BYK-UV3500 (polyether modified silicone is a tensio-active agent) 0.5 weight %
(embodiment 2) radical polymerization prevents liquid composition 2
Diethylene glycol diethyl ether 39.5 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
Quinhydrones monomethyl ether 30 weight %
BYK-UV3500 0.5 weight %
(embodiment 3) radical polymerization prevents liquid composition 3
Diethylene glycol diethyl ether 66.5 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
Irgastab UV-10 30 weight %
BYK-UV3500 0.5 weight %
(embodiment 4) radical polymerization prevents liquid composition 4
Diethylene glycol diethyl ether 59.5 weight %
Triethylene glycol monobutyl ether 30 weight %
Quinhydrones monomethyl ether 10 weight %
BYK-UV3500 0.5 weight %
(embodiment 5) radical polymerization prevents liquid composition 5
Diethylene glycol diethyl ether 64.5 weight %
Dipropylene glycol monomethyl ether 25 weight %
Quinhydrones monomethyl ether 10 weight %
BYK-UV3500 0.5 weight %
(embodiment 6) radical polymerization prevents liquid composition 6
Diethylene glycol diethyl ether 64.5 weight %
Dipropylene glycol monomethyl ether 25 weight %
4-tert-butyl catechol 10 weight %
BYK-UV3500 0.5 weight %
(embodiment 7) radical polymerization prevents liquid composition 7
Diethylene glycol diethyl ether 59.8 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
Quinhydrones monomethyl ether 10 weight %
BYK-UV3500 (polyester modification silicone-based tensio-active agent) 0.5 weight %
(embodiment 8) radical polymerization prevents liquid composition 8
Diethylene glycol diethyl ether 59.0 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
Quinhydrones monomethyl ether 10 weight %
サ one Off イ ノ, one Le E1010 (acetylenediol is a tensio-active agent) 1.0 weight %
(comparative example 1) radical polymerization prevents liquid composition 9
Diethylene glycol diethyl ether 69.5 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
BYK-UV3500 0.5 weight %
(comparative example 2) radical polymerization prevents liquid composition 10
Diethylene glycol diethyl ether 69.45 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
Quinhydrones monomethyl ether 0.05 weight %
BYK-UV3500 0.5 weight %
(comparative example 3) radical polymerization prevents liquid composition 11
Diethylene glycol diethyl ether 18.5 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
Quinhydrones monomethyl ether 51 weight %
BYK-UV3500 0.5 weight %
(comparative example 4) radical polymerization prevents liquid composition 12
Diethylene glycol diethyl ether 56.5 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
Quinhydrones monomethyl ether 10 weight %
BYK-UV3500 0.5 weight %
Ion exchanged water 3 weight %
(comparative example 5) radical polymerization prevents liquid composition 13
Diethylene glycol diethyl ether 70.0 weight %
Gamma-butyrolactone 15 weight %
Tetraethyleneglycol dimethyl ether 15 weight %
[table 1]
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | ||
| Solvent | Diethylene glycol diethyl ether | 59.5 | 39.5 | 66.5 | 59.5 | 64.5 | 64.5 | 59.8 | 59.0 | 69.5 | 69.45 | 18.5 | 56.5 | 70.0 |
| Gamma-butyrolactone | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | ||||
| Tetraethyleneglycol dimethyl ether | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | ||||
| The triethylene glycol monobutyl ether | 30 | |||||||||||||
| The dipropylene glycol monomethyl ether | 25 | 25 | ||||||||||||
| Polymerization retarder | The quinhydrones monomethyl ether | 10 | 30 | 10 | 10 | 10 | 10 | 0.05 | 51 | 10 | ||||
| Polymerization retarder | IrgastabUV- 10 | 3 | ||||||||||||
| Polymerization retarder | The 4-tert-butyl catechol | 10 | ||||||||||||
| Tensio-active agent | BYK- UV3500 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.2 | 0.5 | 0.5 | 0.5 | 0.5 | ||
| Tensio-active agent | サ one Off イ ノ one Le E1010 | 1.0 | ||||||||||||
| Solvent | Ion exchanged water | 3 | ||||||||||||
[preparation of dispersible pigment dispersion]
According to method pigment preparation dispersion liquid shown in following.To C.I. Pigment black 7 (carbon blacks as tinting material; C.I.PBk7) 15 parts, as 6.0 parts of addings of the デ イ ス コ one Le N-509 of dispersion agent (the industrial's system of refining big day) as monomeric ethylene glycol one allyl ether (Japanese emulsifying agent corporate system.Hereinafter referred to as " AG ".), become totally 100 parts, mix and stir, become mixture.Use sand mill (the peace river makes institute's corporate system), (diameter 1.5mm) carries out 6 hours dispersion treatment with zirconium oxide bead.Then, with separator separation of oxygenated zirconium pearl, obtain mineral black dispersion liquid 1.
Below similarly prepare corresponding versicolor dispersible pigment dispersion, be yellow pigment dispersion liquid 2 (C.I. Pigment Yellow 73 151; C.I.PY151), magenta pigment dispersion liquid 3 (C.I. pigment violet 19; C.I.PV19), cyanogen dispersible pigment dispersion 4 (C.I. pigment Blue 15: 3; PB15:3), white pigments dispersion liquid 5 (C.I. Pigment white 6; C.I.PW6).The addition (weight %) of the kind of pigment and addition thereof (weight %) and dispersion agent is as shown in table 2.
[preparation of optical free radical curing China ink liquid group 1]
Composition as shown in table 2 (weight %) adds monomer, hyperbranched polymer, Photoepolymerizationinitiater initiater, polymerization promotor, dispersible pigment dispersion, preparation two-pack photocuring color ink liquid group.
According to the preparation of the composition shown in the table 2 optical free radical curing ink composition A1, B1～B5.That is, mix also dissolved monomer, Photoepolymerizationinitiater initiater, polymerization promotor, tensio-active agent, polymerization retarder fully, preparation ink composition A1.Then, similarly mix and dissolved monomer, polymerization promotor, tensio-active agent, polymerization retarder fully, drop onto lentamente in the black liquid solvent of ink composition B1 when stirring described dispersible pigment dispersion 1.After drippage finishes, mix at normal temperatures and stirred 1 hour, become ink composition B1.Then, filter ink composition A1, B1 respectively, become the optical free radical curing ink composition A1, the B1 that need with the film filter of 5 μ m.
In addition, utilize and the same method of optical free radical curing ink composition B1, add described dispersible pigment dispersion 2～5 respectively, preparation optical free radical curing ink composition B2～B5.
In table 2, " NVF " is meant the N-vinyl formamide of waste river chemical industrial company system, " AG " is meant ethylene glycol one allyl ether of Japanese emulsifying agent corporate system, " PVC ス コ one ト #1000 (abbreviating V#1000 as) ", " STAR-501 " is meant the hyperbranched polymer of Osaka organic chemistry industrial system, " Irgacure 819 ", " Irgacure369 " and " Irgacure127 " is meant the polymerization starter of the special chemical drug company system of Chiba, " DarocurEDB " is meant the polymerization promotor of same company, " BYK-UV3570 " is meant the silicone-based tensio-active agent of PVC Star グ ケ ミ one ジ ヤ パ Application corporate system, " Kayacure DETX-S " is meant the polymerization starter of Japanese chemical drug corporate system, and " Irgastab UV10 " is meant the polymerization retarder of the special chemical drug company system of Chiba.Wherein, unit is weight %.
[table 2]
Optical free radical curing China ink liquid group 1
| Ink composition | A1 | B1 | B2 | B3 | B4 | B5 |
| NVF | - | 25.0 | - | - | - | - |
| AG | 72.7 | 51.7 | 76.7 | 76.7 | 76.7 | 76.7 |
| STAR-501 | 17.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 |
| Irgacure819 | 6.4 | - | - | - | - | - |
| Irgacure127 | 1.6 | - | - | - | - | - |
| DarocurEDB | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| BYK-UV3570 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Kayacure | ||||||
| DETX-S | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| IrgastabUV10 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Pigment | - | C.I.PBk7 | C.I.PY151 | C.I.PV19 | C.I.PB15:3 | C.I.PW6 |
| (solids component) | - | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| Dispersion agent | - | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
[reliability test 1]
Use the system ink-jet printer PM-G920 of each ink composition shown in the table 2 and Seiko Epson Corp, implement the full-colour image printing.At this moment, respectively ink composition B1 is filled in photograph black (photoblack) row, each color ink liquid of B2～B4 is filled in the colour row of each correspondence, ink composition A1 is filled in gross optimizer row, ink composition B5 is filled in mute face black (MatteBlack) row.
In addition, radical polymerization is prevented that liquid composition A1 is filled in red, blue row, at normal temperatures and pressures, cover the position of correspondence, the lettering condition that ink composition A1 covers the entire image zone, implement the full-colour image printing with each color ink drop.
Radical polymerization prevents liquid composition utilization printing action and regular maintenance action, sprays on the cap of ink-jet printer, slide, black liquid absorption piece.Utilize printing action, regular maintenance action, periodic flushing action and clean action, lodge in the mixture that ink composition in the cap and radical polymerization prevents liquid composition and under the attraction of waste drains pump, suitably remove, become the waste liquid discharge.
The OHP film of recording medium use A4 size (XEROX of Fuji (ゼ ロ Star Network ス) (strain) system, XEROX FILM＜no frame 〉).Then, be arranged near the record-header.Utilize the uviolizing light source, use light quantity to have the ultraviolet LED at the wavelength peak of wavelength 365nm, 380nm, 395nm, become 600mJ/cm to amount to the irradiation light quantity
2Condition of cure, carry out 6 hours continuous boundless lettering and solidification treatment, for following the checking item, the action of test cap, slide, black liquid absorption piece, pipe pump.
The checking item
Cap: whether exist the bad attraction that causes of adhesion bad
Slide: whether exist the cleaning that causes adhering to of cured article bad
China ink liquid absorption piece: whether have the pollution of malabsorption that the curing on the black liquid absorption piece causes to the record thing
Pipe pump: the malabsorption that whether exists the obturation of black liquid cured article to cause
Then, to described the checking item,, estimate based on following evaluation index.
Evaluation index
A: do not see specific question.
B: because the thickening of photo curable ink composition, gelation and in above-mentioned any one mechanism, produce unfavorable condition.
C: because the curing of photo curable ink composition, crystallization and in above-mentioned any one mechanism, produce unfavorable condition.
Its result is as shown in table 3.
[table 3]
| Optical free radical curing China ink liquid group | Radical polymerization prevents composition | Cap | Slide | China ink liquid absorption piece | Waste drains pump | |
| Embodiment 1 | 1 | 1 | A | A | A | A |
| Embodiment 2 | 1 | 2 | A | A | A | A |
| Embodiment 3 | 1 | 3 | A | A | A | A |
| Embodiment 4 | 1 | 4 | A | A | A | A |
| Embodiment 5 | 1 | 5 | A | A | A | A |
| Embodiment 6 | 1 | 6 | A | A | A | A |
| Embodiment 7 | 1 | 7 | A | A | A | A |
| Embodiment 8 | 1 | 8 | A | A | A | A |
| Comparative example 1 | 1 | 9 | C | B | C | B |
| Comparative example 2 | 1 | 10 | B | B | C | B |
| Comparative example 3 | 1 | 11 | C | C | C | C |
| Comparative example 4 | 1 | 12 | C | B | C | C |
| Comparative example 5 | 1 | 13 | C | C | C | B |
As shown in table 3, use the liquid composition of embodiment 1～8 to print, all do not produce unfavorable condition at any one part of cap, slide, black liquid absorption piece and the waste drains pump of ink-jet printer, can keep the performance of printer.Specific as follows described.
In cap,,, can prevent the curing that the curing in the head cap causes by spraying and attracting this liquid composition even in the black liquid absorption piece (sponge etc.) of in head cap, accommodating.
In slide, can also directly spray liquid composition, perhaps in cleaning action, polymerization, hardening do not take place in the mixture of optical free radical curing ink composition and liquid composition for nozzle plate, so can utilize slide removes up hill and dale, and the mixture that the optical free radical that is attached to slide solidifies ink composition and liquid composition do not solidify yet, thereby can prevent the deterioration of slide.
In black liquid absorption piece, in order to prevent spray nozzle clogging, when the medium action (flushing) to black liquid absorption piece ejection of lettering,, can make the black liquid absorption piece (sponge) etc. can be because of the curing hardening by also spraying this liquid composition simultaneously.
In waste drains pump, after the black liquid that attracts to be discharged in the cap, the black liquid that can prevent to remain in the pipe stops up owing to solidifying.
[preparation of optical free radical curing China ink liquid group 2]
According to the composition shown in the table 4, utilize and the same method of described optical free radical curing ink composition B1, add above-mentioned dispersible pigment dispersion 1～5 respectively, preparation optical free radical curing ink composition A2, B6～10.
[table 4]
Optical free radical curing China ink liquid group 2
| Ink composition | A2 | B6 | B7 | B8 | B9 | B10 |
| NVF | - | 25.0 | - | - | - | - |
| AG | 66.7 | 46.7 | 66.7 | 66.7 | 66.7 | 66.7 |
| V#1000 | 25.0 | 20.0 | 25.0 | 25.0 | 25.0 | 25.0 |
| Irgacure819 | 6.4 | - | - | - | - | - |
| Irgacure127 | 1.6 | - | - | - | - | - |
| BYK-UV3570 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| IrgastabUV10 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Pigment | - | C.I.PBk7 | C.I.PY151 | C.I.PV19 | C.I.PB15:3 | C.I.PW6 |
| (solids component) | - | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| Dispersion agent | - | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
[reliability test 2]
Use the system ink-jet printer PM-G920 of each ink composition shown in the table 4 and Seiko Epson Corp, implement the full-colour image printing.At this moment, respectively ink composition B6 is filled in black (the photo black of photograph, Off オ ト Block ラ Star Network) row, each color ink liquid of B7～B9 is filled in the colour row of each correspondence, ink composition A2 is filled in total optimizer (gross optimizer, グ ロ ス オ プ テ イ マ イ ザ) row are filled in dim black (マ Star ト Block ラ Star Network) row with ink composition B10.
In addition, the radical polymerization of correspondence is prevented that liquid composition is filled in red, blue row, at normal temperatures and pressures, cover the lettering condition that corresponding position, ink composition A2 cover the entire image zone respectively, implement the full-colour image printing with each color ink drop.Other conditions are implemented with the condition identical with reliability test 1.
Its result is as shown in table 5.
[table 5]
| Radical-curable China ink liquid group | Radical polymerization prevents composition | Cap | Slide | China ink liquid absorption piece | Waste drains pump | |
| Embodiment 9 | 2 | 1 | A | A | A | A |
| Embodiment 10 | 2 | 3 | A | A | A | A |
| Embodiment 11 | 2 | 6 | A | A | A | A |
| Comparative example 6 | 1 | - | C | C | C | C |
| Comparative example 7 | 2 | - | C | C | C | C |
| Comparative example 8 | 2 | 9 | C | B | C | B |
| Comparative example 9 | 2 | 13 | C | C | C | B |
[preparation of optical free radical curing China ink liquid group 3]
According to the composition shown in the table 6, utilize and the identical method of above-mentioned optical free radical curing ink composition B1, add above-mentioned dispersible pigment dispersion 1～5 respectively, preparation optical free radical curing ink composition B11～15.At this moment, replace the C.I.PY151 of dispersible pigment dispersion 2 to use C.I.PY213.
[table 6]
Optical free radical curing China ink liquid group 3
| Ink composition | B11 | B12 | B13 | B14 | B15 |
| AG | 67.7 | 67.7 | 67.7 | 67.7 | 67.7 |
| V#1000 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 |
| Irgacure819 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 |
| Irgacure369 | 0.8 | - | - | - | - |
| Irgacure127 | - | 0.8 | 0.8 | 0.8 | 0.8 |
| BYK-UV3500 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| IrgastabUV10 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Pigment | C.I.PBk7 | C.I.PY213 | C.I.PV19 | C.I.PB15:3 | C.I.PW6 |
| (solids component) | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| Dispersion agent | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
[reliability test 3]
Use the system ink-jet printer PM-G920 of each ink composition shown in the table 6 and Seiko Epson Corp, implement the full-colour image printing.At this moment, respectively ink composition B11 is filled in the black row of photograph, each color ink liquid of B12～14 is filled in the colour row of each correspondence, ink composition B15 is filled in the black row of mute face.At normal temperatures and pressures, cover corresponding position respectively, implement the full-colour image printing to each color ink drop.Other conditions are implemented with the condition identical with reliability test 1.
Its result is as shown in table 7.
[table 7]
| Radical-curable China ink liquid group | Radical polymerization prevents composition | Cap | Slide | China ink liquid absorption piece | Waste drains pump | |
| Embodiment 9 | 3 | 1 | A | A | A | A |
| Embodiment 10 | 3 | 3 | A | A | A | A |
| Embodiment 11 | 3 | 6 | A | A | A | A |
| Comparative example 6 | 3 | - | C | C | C | C |
| Comparative example 8 | 3 | 9 | C | B | C | B |
| Comparative example 9 | 3 | 13 | C | C | C | B |
Can judge that from above result the liquid composition among the present invention can be as the maintenance liquid composition of the performance of keeping ink-jet recording device.
Claims (16)
1. liquid composition, it is the liquid composition that contains radical polymerization inhibitor, solvent and tensio-active agent, it is characterized in that,
The content of this radical polymerization inhibitor is 0.1～50 weight %.
2. liquid composition according to claim 1 is characterized in that,
Described radical polymerization inhibitor is the compound more than select from the quinones of hydroquinones, pyrocatechol, steric hindrance amine, phenol, phenothiazines, condensation aromatic ring at least a.
3. liquid composition according to claim 1 is characterized in that,
Described radical polymerization inhibitor is carbon black or the inorganic or organic fine particles that has imported polymerization retardation functional group to the surface.
4. liquid composition according to claim 1 is characterized in that,
Described solvent is for from ethylene glycol, Diethylene Glycol, triethylene glycol, TEG, carbonatoms being more than one the compound of selecting ether of the polyoxyethylene glycol more than 10 or the diether.
5. liquid composition according to claim 1 is characterized in that,
Described tensio-active agent is for being more than one the compound of selecting the tensio-active agent from polyether modified silicone system, polyester modification silicone-based, acetylenediol.
6. liquid composition according to claim 1 is characterized in that,
Also contain lactone.
7. black liquid group, wherein,
Contain described liquid composition of claim 1 and optical free radical curing ink composition.
8. an ink jet recording method is characterized in that,
Have:
The step of the drop of ejection optical free radical curing ink composition on recording medium;
Position beyond the position that the drop that makes this optical free radical curing ink composition in order to form image is ejected into, the step of the drop of the described liquid composition of ejection claim 1; With
Irradiation ultraviolet radiation makes the drop step of curing that is attached to this recording medium.
9. ink jet recording method according to claim 8 is characterized in that,
Making position beyond the position that the drop of this optical free radical curing ink composition is ejected in order to form image is at least one of cap, the slide of ink-jet recording device, black liquid absorption piece, pipe pump.
10. ink jet recording method according to claim 8 is characterized in that,
Described optical free radical curing ink composition also contains amine compound.
11. ink jet recording method according to claim 8 is characterized in that,
Described optical free radical curing ink composition also contains hyperbranched polymer.
12. ink jet recording method according to claim 8 is characterized in that,
Described optical free radical curing ink composition is the single component curing.
13. ink jet recording method according to claim 8 is characterized in that,
Described optical free radical curing ink composition is the two-pack curing.
14. a record thing is characterized in that,
It utilizes the described ink jet recording method of claim 8 to be carried out record.
15. an ink-jet recording device, wherein,
Possess:
The described liquid composition of claim 1;
Optical free radical curing ink composition; With
The light irradiation device that is used for this optical free radical curing ink composition.
16. recording unit according to claim 15, wherein,
From the light wavelength of described light irradiation device radiation is the scope of 350～450nm.
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| JP2002137535A (en) * | 2000-10-31 | 2002-05-14 | Seiko Epson Corp | Recording medium for ink-jet, ink for ink-jet, ink-jet recording method and recording item |
| JP3877168B2 (en) * | 2004-03-10 | 2007-02-07 | 富士フイルムホールディングス株式会社 | Inkjet recording device |
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