CN103102736A - Non-aqua-system pigment ink for ink jet - Google Patents
Non-aqua-system pigment ink for ink jet Download PDFInfo
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- CN103102736A CN103102736A CN2012103248230A CN201210324823A CN103102736A CN 103102736 A CN103102736 A CN 103102736A CN 2012103248230 A CN2012103248230 A CN 2012103248230A CN 201210324823 A CN201210324823 A CN 201210324823A CN 103102736 A CN103102736 A CN 103102736A
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Abstract
The invention provides non-aqua-system pigment ink for ink jet advantaged by prevention of transfer print pollution, high printing concentration, and reduction of strike-through. The non-aqua-system pigment ink for ink jet comprises acid modified petroleum olefin resin, pigment, and non-aqua-system solvent.
Description
Technical field
The present invention relates to a kind of ink-jet non-aqueous pigment ink.
Background technology
To be ink jet ink that mobility is high eject and with the mode of image recording at the recording mediums such as paper that are oppositely arranged with described nozzle from fine nozzle (head nozzle) in China ink grain mode ink-jet recording.Particularly, the line style spray nozzle type ink-jet recording device that has a plurality of ink guns due to use can carry out high speed printing, is therefore popularized rapidly in recent years.
As the China ink that such ink-jet recording uses, comprise the so-called non-aqueous pigment ink in the non-water solvent with colo(u)rant dispersion.Ink-jet is not Miboin dry solidification on paper with non-aqueous pigment ink, but ink penetration is to the China ink of the inner dry infiltration drying mode of paper, and it has the features such as stability in machine (intermittently the ejection after ejection property, the long-time placement restorative etc.) is good, curling, black infiltration time of drying that there is no paper is short and gets most of the attention.
In non-aqueous pigment ink, generally speaking, during due to the pigment dispersing agent that is dissolved in use in solvent, this pigment dispersing agent improves the affinity of solvent and pigment, and therefore existence is when solvent is penetrated into paper, and pigment also easily is brought into the tendency of paper inside.Consequently, printing concentration reduces, and print through easily occurs sometimes.
In addition, the China ink that drops on paper surface is in not drying regime, when paper is transferred the roller conveying, so-called roller transfer occurs sometimes pollute.That is, undried China ink is attached on conveying roller sometimes, and the China ink that adheres on conveying roller is transferred on the conveyance direction downstream side zone of same paper, the paper that next is transferred, China ink occurs on paper pollute.This roller transfer pollutes in high speed printing becomes problem especially dropping to the short occasion of time of carrying by conveying roller from China ink.
In patent documentation 1, print the non-aqueous pigment ink of concentration and package stability for the print through, the raising that suppress print are provided, and proposed to contain the non-aqueous pigment ink of the non-aqueous resin disperse particles with specific pigment-dispersing ability.In addition, in the paragraph 0039 of patent documentation 2, in order to improve non-aqueous pigment ink to the binding property of recording medium or for the purposes such as diffusion of regulating non-aqueous pigment ink dot in recording medium, proposed to add the resin that is dissolved into polar organic solvent.
But generally speaking, in case Xiang Mozhong has added solid resin, the viscosity of China ink will raise, and roller transfer easily occurs pollute.So, the problem with regard to existing two kinds of performances to be difficult to take into account.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2010-1452 communique
Patent documentation 2: TOHKEMY 2004-2666 communique
Summary of the invention
The problem that invention will solve
The object of the present invention is to provide a kind of ink-jet non-aqueous pigment ink that prevents that transfer printing from polluting, printing concentration is high, reduces print through.
For the scheme of dealing with problems
As one aspect of the present invention, provide a kind of ink-jet non-aqueous pigment ink that comprises sour modification petroleum hydrocarbon resin, pigment and non-water solvent.
The effect of invention
Can provide a kind of according to the present invention and prevent that transfer printing from polluting, printing concentration is high, the ink-jet non-aqueous pigment ink of minimizing print through.
Embodiment
Below, embodiments of the present invention are described, but the example in present embodiment is to not restriction effect of the present invention.
, it is characterized in that with non-aqueous pigment ink (below, sometimes referred to as " China ink ") as the ink-jet of an embodiment of the invention, it comprises sour modification petroleum hydrocarbon resin, pigment and solvent.Accordingly, can provide a kind of and prevent that transfer printing from polluting, printing concentration is high, the ink-jet non-aqueous pigment ink of minimizing print through.
By add sour modification petroleum hydrocarbon resin in China ink, can prevent that transfer printing from polluting, concentration is printed in raising, reduce print through.This can think owing to containing sour modification petroleum hydrocarbon resin in China ink by making, when China ink drops on recording medium, and the solvent release raising of China ink.Namely, can think poorly soluble due to sour modification petroleum hydrocarbon resin and the non-water solvent that contains petroleum solvent etc., therefore when China ink drops on recording medium, non-water solvent in China ink breaks away from once and is penetrated into recording medium inside, and sour modification petroleum hydrocarbon resin and pigment are stayed the recording medium surface.Like this, if solvent release is good, the drying of China ink and fixing fast can prevent the transfer printing pollution.In addition, because solvent release is good, after China ink drops on recording medium, pigment in China ink is difficult for being penetrated into together recording medium inside with non-water solvent, in addition, also can prevent pigment together with non-water solvent in recording medium surface diffusion, therefore can improve printing concentration, reduce print through.
As the petroleum hydrocarbon resin that forms sour modification petroleum hydrocarbon resin, be not particularly limited, can enumerate with the C 5 through-stone oleo-resinouss as raw material such as amylene, pentadiene, isoprene, with the C9 through-stone oleo-resinous as raw material such as indenes, methyl indenes, Vinyl toluene, vinylbenzene, alpha-methyl styrene, Beta-methyl vinylbenzene, with the DCPD(dicyclopentadiene as raw material such as cyclopentadiene, dicyclopentadiene) the through-stone oleo-resinous, will be combined copolymerization more than 2 kinds and copolymerized petroleum resin of obtaining etc. in the raw material of these petroleum resin.
Acid modification petroleum hydrocarbon resin is processed the petroleum hydrocarbon resin with unsaturated carboxylic acid or its acid anhydrides and is obtained, and can make unsaturated carboxylic acid or its acid anhydrides and alcohol react acquisition to the petroleum hydrocarbon resin.
Acid modification petroleum hydrocarbon resin preferably has aromatic hydrocarbyl.Therefore, the aromatic hydrocarbyl of acid modification petroleum hydrocarbon resin demonstrates the adsorption to pigment, increase the adsorptivity of sour modification petroleum hydrocarbon resin and pigment, can further improve solvent release, can prevent that transfer printing from polluting, concentration is printed in raising and further promote the effect that reduces print through.
As the sour modification petroleum hydrocarbon resin with aromatic hydrocarbyl, can enumerate the copolymerized petroleum resin of C9 through-stone oleo-resinous, C9 through-stone oleo-resinous raw material and C5 through-stone oleo-resinous raw material and/or DCPD through-stone oleo-resinous raw material, the copolymerized petroleum resin of preferred C9 through-stone oleo-resinous raw material and C5 through-stone oleo-resinous raw material.
As unsaturated carboxylic acid or its acid anhydrides, for example, can be the material of carbon number 3～36, the more preferably material of carbon number 3～18.As unsaturated carboxylic acid or its acid anhydrides, for example, can enumerate vinylformic acid, methacrylic acid, β-crotonic acid, toxilic acid, fumaric acid, methylene-succinic acid, citraconic acid, styracin etc., and these sour acid anhydrides.Particularly consider from the viewpoint of reactivity and cost, preferably use vinylformic acid, methacrylic acid, toxilic acid, maleic anhydride etc.
As the usage quantity of unsaturated carboxylic acid or its acid anhydrides, be preferably 0.1～15 quality % with respect to the petroleum hydrocarbon resin, more preferably 0.1～10 quality %.
As alcohol, can use for example monohydroxy-alcohol, polyvalent alcohol or their combination.
As monohydroxy-alcohol, can enumerate straight chain alcohols such as n-butyl alcohol, 1-hexanol, 1-octanol, 2-Ethylhexyl Alcohol, 1-lauryl alcohol, 1-stearyl alcohol, 1-behenyl alcohol, the aromatic alcohols such as phenylcarbinol, naphthols.
As polyvalent alcohol, can enumerate straight chain alcohols such as ethylene glycol, Diethylene Glycol, triethylene glycol, polyoxyethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, butyleneglycol, neopentyl glycol, hexylene glycol, glycerol, TriMethylolPropane(TMP), ditrimethylolpropane, tetramethylolmethane, Dipentaerythritol, D-Sorbitol Powder, 1, the ester ring types such as 4-cyclohexanediol, 1,4 cyclohexane dimethanol alcohol.
As the usage quantity of alcohol, the 1 equivalent carboxyl that for example has with respect to unsaturated carboxylic acid or its acid anhydrides is preferably with 0.3～2 equivalent, wherein the ratio of the hydroxyl of preferred 0.4～1.5 equivalent is added.
The reactions steps of acid modification is not particularly limited.For example, petroleum hydrocarbon resin, unsaturated carboxylic acid or its acid anhydrides and alcohol can be mixed, catalyst-free or interpolation catalyzer, heating simultaneously makes it reaction.Perhaps, also can be in advance petroleum hydrocarbon resin and unsaturated carboxylic acid or the heating of its acid anhydrides be reacted, then add alcohol and carry out esterification.
With respect to black total amount, sour modification petroleum hydrocarbon resin can be to coordinate below 15 quality %, more preferably below 10 quality %, further below preferred 5 quality %.By being below 15 quality %, can suppress the rising of black viscosity, prevent transfer printing and pollute, in addition, discharge performance is also excellent.In addition, pollute, improve the effect of printing concentration and minimizing print through for the effect by solvent release fully obtains to prevent transfer printing, with respect to black total amount, sour modification petroleum hydrocarbon resin can be to coordinate more than 0.1 quality %, more preferably more than 1 quality %, further more than preferred 3 quality %.
In addition, by quality ratio, with respect to 1 part of pigment, sour modification petroleum hydrocarbon resin can coordinate according to be scaled 0.1～15 part with solids component, and more preferably 0.3～5 part, further preferred 0.3～1 part.
Acid number as sour modification petroleum hydrocarbon resin can be made as 25(mgKOH/g) below, preferred 20(mgKOH/g) below.Be 25(mgKOH/g by making acid number) below, the dispersiveness that keeps China ink can be stablized.In addition, in order fully to obtain the effect of solvent release, the acid number as sour modification petroleum hydrocarbon resin can be made as 0.1(mgKOH/g) more than, preferred 0.5(mgKOH/g) more than, further preferred 5.0(mgKOH/g) more than.
As the acid number of sour modification petroleum hydrocarbon resin, can be in the reactions steps of above-mentioned sour modification adjust by the use level of carboxylic acid or its acid anhydrides, alcohol.In addition, also can adjust by other sour modification petroleum hydrocarbon resins mixing that sour modification petroleum hydrocarbon resin is different from acid number.
As the number-average molecular weight of sour modification petroleum hydrocarbon resin, consider from the viewpoint of black viscosity, preferred 300～3000, more preferably 300～1500.
In addition, as the softening temperature of sour modification petroleum hydrocarbon resin, consider preferred 60～140 ℃ from the viewpoint that sprays stability.
The pigment that the China ink of present embodiment contains can be random color, as black ink pigment, can enumerate the carbon black classes such as furnace black, dim, acetylene black, thermally oxidized black; Metal species or the metal oxides such as copper, iron, titanium oxide; The pigment dyestuffs such as ortho-nitrophenyl amido black.They can use separately or at random mix and use.
as color ink pigment, can toluidine red be shown example, fast carmine FB, tetrazo orange PMP, Lake red C, bright fuchsin 6B, quinacridone is red, diox is purple, orthonitraniline orange, dinitro aniline orange, anti-sulfuration orange (Vulcan Orange), toluidine red, fire red, bright fast scarlet (brilliant fast scarlet), naphthol red 23, pyrazolone red, the red 2B of barium, calred 2B, the red 2B of strontium, manganese red 2B, lithol red (barium lithol red), the pigment scarlet 3B color lake, the purplish red 10B in color lake, anthosin (Anthosine) 3B color lake, anthosin 5B color lake, the rhodamine 6G color lake, eosine lake, red iron oxide, naphthol red FGR, rhodamine B lake, the methyl violet color lake, dioxazine violet, naphthols fuchsin FB, naphthol red M, fast yellow AAA, fast yellow 10G, dual-azo yellow AAMX, dual-azo yellow AAOT, dual-azo yellow AAOA, dual-azo yellow HR, isoindoline is yellow, fast yellow G, dual-azo yellow AAA, phthalocyanine blue, Victoria's ethereal blue, the Alkali blue 5B color lake, alkali blue 6G color lake, fast sky blue, the alkali blue R toning agent, peacock blue (peacock blue) color lake, deep red indigo plant, ultramarine, penetrate light indigo plant (reflex blue) 2G, penetrate the blue R of light, alkali blue G toning agent, the BG color lake, diamond green, the thio-flavin color lake, Phthalocyanine Green G, green gold, phthalocyanine green Y, brown iron oxide, the rust powder, zinc white, titanium oxide, calcium carbonate, clay, barium sulfate, white lake, aluminium powder, bronze powder, pigment with day-light fluorescence, pearly pigments etc., they can use separately or mix arbitrarily and use.
From spraying the viewpoint of stability and storage stability, the median size of pigment is preferably below 300nm, more preferably below 150nm, more preferably below 100nm.Here, the value that records for the dynamic light scattering formula particle size distribution device LB-500 that produces by Horiba Ltd of the median size of pigment.
Pigment content in China ink is generally 0.01～20 quality %, from the viewpoint of printing concentration and black viscosity, preferred 3～15 quality %.
In order to make pigment good distribution in China ink, preferably add pigment dispersing agent in China ink.as pigment dispersing agent, so long as the material that pigment stably is scattered in solvent gets final product, be not particularly limited, for example can use the hydroxyl carboxylicesters, the salt of long-chain polyaminoamide and high molecular acid esters, the polycarboxylic salt of high molecular, the salt of long-chain polyaminoamide and polar acid ester, the high molecular unsaturated acid ester, high-molecular copolymer, modified polyurethane, modified polyacrylate, the polyether ester type negatively charged ion is promoting agent, naphthalene sulfonic acidformaldehyde condensation product salt, polyxyethylated phosphoric acid ester (polyoxyethylene alkyl phosphate), the polyoxyethylene nonylplenyl ether, the polyester polyamines, stearic amine acetic ester etc., wherein preferably use macromolecule dispersing agent.
as the concrete example of pigment dispersing agent, can enumerate " the SOL SPERSE5000 (phthalocyanine ammonium salt system) that Japanese The Lubrizol Corporation produces, 13940 (polyesteramine systems), 17000, 18000 (fatty acid amine systems), 11200, 22000, 24000, 28000 " (be trade(brand)name), " the Efka400 that Efka CHEMICAL S company produces, 401, 402, 403, 450, 451, 453 (modified polyacrylates), 46, 47, 48, 49, 4010, 4055 (modified polyurethanes) " (being trade(brand)name), " the Demol P that Kao Corp produces, EP, POIZ520, 521, 530, Homogenol L-18 (polycarboxylate-type polymeric surface active agent) " (being trade(brand)name), nanmu originally changes into " the Disparlon KS-860 that Co., Ltd. produces, KS-873N4 (amine salt of macromolecule polyester) " (being trade(brand)name), Di-ichi Kogyo Seiyaku Co., Ltd. produce " Discol 202, 206, OA-202, OA-600 (multichain type polymer nonionic system) " (being trade(brand)name) etc.
In China ink, the use level of pigment dispersing agent can suitablely be set, but considers from the viewpoint of pigment-dispersing, by quality ratio, and with respect to 0.05～2.0 part of left and right of 1 part of pigment optimization, more preferably 0.1～1.5 part.With respect to black total amount, pigment dispersing agent preferably contains about 0.5～15 quality %, more preferably 1～12 quality %.
As non-water solvent, be that non-polar organic solvent and polar organic solvent and 50% distillate be a little solvent more than 150 ℃.50% distillate a little refer to record according to JIS K0066 " the distillation test method of chemical preparations ", the temperature during 50% solvent evaporates in mass.Consider from the viewpoint of security, 50% of non-water solvent distillates a little preferred more than 160 ℃, and then, more preferably more than 230 ℃.
For example, as non-polar organic solvent, can preferably list the petroleum solvents such as aliphatic hydrocarbon solvent, ester ring type hydrocarbon system solvent, aromatic hydrocarbon solvents.as aliphatic hydrocarbon solvent, ester ring type hydrocarbon system solvent, can preferably list for example JX NIPPON OIL﹠amp, " the Teclean N-16 that ENERGY CORPORATION produces, Teclean N-20, Teclean N-22, Nisseki Naphtesol L, Nisseki Naphtesol M, Nisseki Naphtesol H, No. 0 Solvent L, No. 0 Solvent M, No. 0 SolventH, Nisseki isosol300, Nisseki isosol400, AF-4, AF-5, AF-6, AF-7 ", " the Isopar G that Exxon company produces, Isopar H, Isopar L, Isopar M, Exxsol D40, Exxsol D80, Exxsol D100, Exxsol D130, Exxsol D140 ", " the Normal Paraffin H " that the apan Energy Corporation of J Co., Ltd. produces etc.As aromatic hydrocarbon solvents, " SOLVESSO200 " that " Nisseki cleansol G " (alkylbenzene) that Nippon Oil Co., Ltd produces, the Exxon company of can preferably listing produces etc.
As polar organic solvent, can use ester series solvent, pure series solvent, higher fatty acid series solvent, ether series solvent and their mixed solvent.For example, can preferably use in the group that the higher fatty acid of the higher alcohols of the ester series solvent that is selected from as the ester of the alcohol of the higher fatty acid of carbon number 8～20 and carbon number 1～24, carbon number 8～24 and carbon number 8～20 forms more than a kind.
as polar organic solvent, more specifically, can preferably list Laurate methyl, isopropyl laurate, Isopropyl myristate, the different monooctyl ester of tetradecanoic acid, Wickenol 111, the different stearyl ester of palmitinic acid, Witconol 2301, ethyl oleate, acid isopropyl, butyl oleate, methyl linoleate, the linolic acid isobutyl ester, ethyl linoleate, IPIS, the soybean oil methyl esters, the soybean oil isobutyl ester, the Yatall MA methyl esters, the Yatall MA isobutyl ester, Wickenol 116, Wickenol 117, ethyl sebacate, single capric acid propylene glycol ester (monocapric acid propylene glycol), three (2-ethyl) caproic acid TriMethylolPropane(TMP), the ester series solvents such as three (2-ethyl) caproin, the pure series solvents such as different tetradecyl alcohol, different palmityl alcohol, isooctadecanol, oleyl alcohol, hexyl decyl alcohol (HEXYL DECANOL), octyl dodecanol, decyl tetradecyl alcohol, the senior fatty acid series solvents such as n-nonanoic acid, different n-nonanoic acid (isononanoic acid), different tetradecanoic acid, palmitic acid, different palmitinic acid, oleic acid, Unimac 5680, the ether series solvents such as diethylene glycol monobutyl ether, ethylene glycol monobutyl ether, propylene glycol monobutyl ether, propylene glycol dibutyl ether.
Can use separately these non-water solvents, perhaps will be used in combination more than 2 kinds.
In the present embodiment, in order to improve the detachment of solvent, preferably contain the petroleum solvent in above-mentioned non-water solvent.As the petroleum solvent, can be any one in aliphatic hydrocarbon solvent, ester ring type hydrocarbon system solvent, aromatic hydrocarbon solvents etc., but as tartaric acid modification petroleum hydrocarbon resin be take the occasion of C5 through-stone oleo-resinous as basic resin, preferred aliphat hydrocarbon solvent.With respect to the total mass of non-water solvent, more than the preferred 20 quality % of petroleum solvent, and then, more preferably more than 40 quality %.
In addition, in non-water solvent, in order to improve the solvability of sour modification petroleum hydrocarbon resin, preferably contain ester series solvent and/or pure series solvent together with the petroleum solvent in above-mentioned non-water solvent, particularly preferably contain the ester series solvent.With respect to the total mass of non-water solvent, more than the preferred 10 quality % of ester series solvent, and then, more preferably more than 30 quality %.
As pure series solvent, consider from the deliquescent viewpoint of sour modification petroleum hydrocarbon resin, the pure series solvent of preferred carbon number 8～22, can use for example different tetradecyl alcohol (carbon number 14), different hexadecanol (carbon number 16), isooctadecanol (carbon number 18), oleyl alcohol (carbon number 18), and two polyalcohols that obtain by Guerbet reaction etc. etc.With respect to the total mass of non-water solvent, more than the preferred 1 quality % of the content of pure series solvent, and then, more preferably more than 5 quality %.
In the non-aqueous pigment ink of present embodiment, in the scope that does not hinder effect of the present invention, also can suitably add such as spray nozzle clogging preventing agent, antioxidant, electric conductivity adjusting agent, viscosity modifier, surface tension adjusting agent, oxygen absorbent, fixing agent, sanitas, tensio-active agent etc.These kind is not particularly limited, and can use the material that uses in this field.
The viscosity of non-aqueous pigment ink also there are differences according to its adaptive scope of difference of the nozzle diameter of ejecting head, ejection environment etc., but generally speaking, is preferably 5～30mPas under 23 ℃, more preferably 5～15mPas, further preferred 10～13mPas left and right.Here, viscosity table is shown in the value under 10Pa when making shear-stress begin to increase with the speed of 0.1Pa/s from 0Pa under 23 ℃.
An example as manufacture method, can be in the dispersion machines such as ball mill disposable or gradation add the whole compositions that contain sour modification petroleum hydrocarbon resin, pigment and non-water solvent, stir and mix, utilizing membrane filter etc. to filter according to expectation, thereby obtaining.For example, can modulate in advance the part of non-water solvent and all pigment of amount and the optional mixed uniformly mixed solution of pigment dispersing agent, make its dispersion by dispersion machine, the conditioned pigment dispersion, in addition, dissolving acid modification petroleum hydrocarbon resin in remaining non-water solvent, modulating resin solution, next pigment dispersion is mixed with resin solution, by filter, modulation thus.
Using the ink jet recording method of non-aqueous pigment ink can be any one modes such as piezoelectricity mode, electrostatic means, hot mode.When using ink-jet recording device, preferably can spray according to numerary signal the China ink of present embodiment from ink gun, and the black drop of ejection is attached on recording medium.
As recording medium, be not particularly limited, can use the inferior machine-glazed paper of common paper, high-quality common paper, ink-jet (IJ) paper, IJ, the White Board, the little White Board than the thin thickness of the black absorption layer of White Board, glossy paper (glossy paper), special paper, cloth etc. of the black absorbent solution of coating on recording medium.
Embodiment
Below, the present invention is described in detail by embodiment, but the present invention is not subjected to these restriction.
The making of＜resin solution＞
Each solid resin 50 quality % shown in table 1 are mixed with Witconol 2301 (EXCEPARL " M-OL " that Kao Corp produces) 50 quality %, be heated to 120 ℃, make it while stirring dissolving, obtain forming the resin solution as shown in table 2 and table 3.In addition, the resin solution of embodiment 6 is to be that aliphatic/aromatic is that hydrocarbon resin A and C 5 are that the mass ratio of fatty family hydrocarbon resin is that mixture 50 quality % and the Witconol 2301 50 quality % of 1:1 are mixed to get with C5/C 9.
Table 1
The detailed content of [table 1] solid resin
The modulation of＜China ink＞
With each cooperation shown in table 2 and table 3, after pigment, pigment dispersing agent, non-water solvent premix, use and wave grinding machine (SEIWA GIKEN Co., Ltd produces) dispersion 4 hours, obtain pigment dispersion.With after solid resin solution mixes, (ADVANTEC Co., LTD company produce, aperture: 3 μ m) remove big particle, obtain China ink to use cellulose acetate filter with the pigment dispersion that obtains.
Table 2
The ink formulations of [table 2] embodiment
Table 3
The ink formulations of [table 3] comparative example
Composition shown in table 2 and table 3 is as follows.
Carbon black: MA8, Mitsubishi chemical Co., Ltd produces.
SOLSPERSE28000:The Lubrizol Corporation produces.
No. AFSolvent6: petroleum aliphatic hydrocarbon solvent, JX NIPPON OIL﹠amp; ENERGY CORPORATION produces.
Isooctadecanol: Fine oxocol 180, Nissan Chemical Ind Ltd produces.
Witconol 2301: EXCEPARL " M-OL ", Kao Corp produces.
The determination of acid value of＜solid resin＞
(C5/C9 is that aliphatic/aromatic is hydrocarbon resin A)
With solid resin and THF(tetrahydrofuran (THF)) ratio take mass ratio as 1:2 is mixed, dissolving, and modulation is measured and is used resin solution.Next, measure this mensuration and be placed in the Erlenmeyer flask of 100ml with resin solution 15g, add several phenolphthalein solutions as indicator.Then, use the 10ml drop-burette with the potassium hydroxide-ethanol solution of 0.5mol/1, this solution to be carried out titration, with indicator be light red, when continuing more than 30 seconds as terminal point.According to the amount of the potassium hydroxide of needs in titration, obtain the acid number of every 1g solid resin, result is 17(mgKOH/g).In addition, the reagent of use is with the pure pharmaceutical worker's industry of light and produces.
(C5/C9 is that aliphatic/aromatic is that hydrocarbon resin A and C5 are that the mass ratio of fatty family hydrocarbon resin is the mixture of 1:1)
Be that aliphatic/aromatic is in the measuring method of hydrocarbon resin A at above-mentioned C5/C9, use C5/C9 be aliphatic/aromatic be hydrocarbon resin A and C5 be the mass ratio of fatty family hydrocarbon resin as the mixture of 1:1 as solid resin, measure and measure the Erlenmeyer flask that is placed in 100ml with resin solution 30g, similarly obtain in addition the acid number of every 1g solid resin, result is 9.4(mgKOH/g).
The acid number of other solid resins is worth with reference to products catalogue (catalogue).
The mensuration of＜black viscosity＞
The viscosity of China ink is the viscosity under 10Pa when making shear-stress begin to increase with the speed of 0.1Pa/s from 0Pa under 23 ℃, l ° of the stress control formula rheometer RS75(cone angle of producing by HAAKE company, diameter 60mm) measure.
The evaluation of＜printing concentration＞
The China ink that obtains is loaded in ink-jet printer " ORPHIS-X9050 " (Risokagaru Corporation's production), and the full domain that will be equivalent to 300dpi looks like to be printed onto thin mouthful of desirable paper using (Risokagaru Corporation produces, common paper).Use optical concentration meter (RD920, Macbeth company produce) to measure the surperficial OD value of the full domain picture part of print, estimate according to following benchmark.In addition, " ORPHI SX9050 " is the system that uses the sub scanning direction conveyance of sheets along perpendicular to main scanning direction (direction of nozzle arrangement) of ink jet head to print.The results are shown in table 2 and table 3.
AA: surperficial OD value is more than 1.15
A: surperficial OD value is 1.14～1.10
B: surperficial OD value is 1.05～1.09
C: surperficial OD value is below 1.04
＜print through prevent the evaluation that acts on＞
Similarly measure the back side OD value of full domain picture part of the print of acquisition with above-mentioned printing concentration evaluation, estimate according to following benchmark.Back side OD value is less, more can prevent print through.The results are shown in table 2 and table 3.
A: back side OD value is below 0.20
B: back side OD value is 0.21～0.24
C: back side OD value is more than 0.25
The evaluation of＜transfer printing contamination preventing effect＞
The China ink that obtains is loaded in " ORPHIS-X9050 " (Risokagaru Corporation's production), and the full domain that will be equivalent to 300dpi looks like to be printed onto thin mouthful of desirable paper using (Risokagaru Corporation produces, common paper).The pollution level of the non-print part of visual observation print is estimated according to following benchmark.The results are shown in table 2 and table 3.
AA: do not have transfer printing to pollute
A: almost do not have transfer printing to pollute
B: exist some transfer printings to pollute
C: transfer printing is polluted obviously
As shown in table 2 and table 3, the China ink of each embodiment has excellent transfer printing contamination preventing effect, and printing concentration and print through prevent that effect is also good.Use identical solid resin in embodiment 1～4, the proportioning of solid resin is different, when the solid resin amount increases, can improve the effect of transfer printing contamination preventing and printing concentration as can be known.In embodiment 4, when the solid resin amount is 10 quality % when above, the viscosity of China ink also raises, and can think that therefore the effect that prevents that transfer printing is polluted descends.In embodiment 3,5 and 6, the solid resin amount is identical but kind solid resin is different, and the acid number of solid resin is high as can be known, and the effect that prevents that transfer printing is polluted is excellent.
In comparative example 1, owing to not containing solid resin, therefore print concentration and print through and prevent that effect from descending.In comparative example 2 and 3, because solid resin does not carry out sour modification, so the effect that prevents that transfer printing is polluted has descended.In comparative example 4, owing to being not the petroleum hydrocarbon resin, so the effect of transfer printing contamination preventing descends.
Claims (5)
1. ink-jet non-aqueous pigment ink, it contains sour modification petroleum hydrocarbon resin, pigment and non-water solvent.
2. ink-jet non-aqueous pigment ink according to claim 1, wherein, the acid number of described sour modification petroleum hydrocarbon resin is 0.5(mgKOH/g)～20(mgKOH/g).
3. ink-jet non-aqueous pigment ink according to claim 1 and 2, wherein, described sour modification petroleum hydrocarbon resin has aromatic hydrocarbyl.
4. ink-jet non-aqueous pigment ink according to claim 1 and 2, wherein, described non-water solvent contains petroleum solvent, ester series solvent and/or pure series solvent.
5. ink-jet non-aqueous pigment ink according to claim 1 and 2, wherein, the content of described sour modification petroleum hydrocarbon resin is: the total amount with respect to China ink is 3 quality %～10 quality %.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011249304A JP5878735B2 (en) | 2011-11-15 | 2011-11-15 | Non-aqueous pigment ink for inkjet |
| JP2011-249304 | 2011-11-15 |
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| CN103102736A true CN103102736A (en) | 2013-05-15 |
| CN103102736B CN103102736B (en) | 2015-04-22 |
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| JP (1) | JP5878735B2 (en) |
| CN (1) | CN103102736B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542601A (en) * | 2016-01-08 | 2016-05-04 | 广东邦固化学科技有限公司 | Release-color coat two-in-one transfer coating and preparation method and application thereof |
| CN108624143A (en) * | 2017-03-22 | 2018-10-09 | 理想科学工业株式会社 | Oil colour ink |
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| US4292221A (en) * | 1979-06-22 | 1981-09-29 | Exxon Research & Engineering Co. | Preparation of modified petroleum resins |
| JPH03296576A (en) * | 1990-04-13 | 1991-12-27 | Arakawa Chem Ind Co Ltd | Resin for dry planographic ink |
| US6037396A (en) * | 1997-03-27 | 2000-03-14 | Brother Kogyo Kabushiki Kaisha | Hot-melt ink |
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| US20010000253A1 (en) * | 1999-05-20 | 2001-04-12 | Westvaco Corporation | Hydrocarbon/acrylic hybrid resins for use in continuous ink jet ink formulations |
| JP4460222B2 (en) * | 2002-04-16 | 2010-05-12 | 理想科学工業株式会社 | Non-aqueous ink composition |
| JP2008001853A (en) * | 2006-06-26 | 2008-01-10 | Fuji Shikiso Kk | Pigment-dispersed ink composition based on organic solvent |
| JP2008001851A (en) * | 2006-06-26 | 2008-01-10 | Fuji Shikiso Kk | Pigment-dispersed ink composition based on organic solvent |
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- 2011-11-15 JP JP2011249304A patent/JP5878735B2/en active Active
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- 2012-09-04 CN CN201210324823.0A patent/CN103102736B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4292221A (en) * | 1979-06-22 | 1981-09-29 | Exxon Research & Engineering Co. | Preparation of modified petroleum resins |
| JPH03296576A (en) * | 1990-04-13 | 1991-12-27 | Arakawa Chem Ind Co Ltd | Resin for dry planographic ink |
| US6037396A (en) * | 1997-03-27 | 2000-03-14 | Brother Kogyo Kabushiki Kaisha | Hot-melt ink |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542601A (en) * | 2016-01-08 | 2016-05-04 | 广东邦固化学科技有限公司 | Release-color coat two-in-one transfer coating and preparation method and application thereof |
| CN108624143A (en) * | 2017-03-22 | 2018-10-09 | 理想科学工业株式会社 | Oil colour ink |
| CN108624143B (en) * | 2017-03-22 | 2022-02-18 | 理想科学工业株式会社 | Blue-based oil-based pigment ink |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103102736B (en) | 2015-04-22 |
| JP5878735B2 (en) | 2016-03-08 |
| JP2013104001A (en) | 2013-05-30 |
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