CN103102736B - Non-aqua-system pigment ink for ink jet - Google Patents
Non-aqua-system pigment ink for ink jet Download PDFInfo
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- CN103102736B CN103102736B CN201210324823.0A CN201210324823A CN103102736B CN 103102736 B CN103102736 B CN 103102736B CN 201210324823 A CN201210324823 A CN 201210324823A CN 103102736 B CN103102736 B CN 103102736B
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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 Non-aqua-system pigment ink for ink jet.
Background technology
Ink-jet recording to be ejected and by the mode of image recording at recording mediums such as the paper be oppositely arranged with described nozzle from fine nozzle (head nozzle) in black grain mode by ink jet ink high for mobility.Particularly, owing to using the linear nozzle formula ink-jet recording device with multiple ink gun to carry out high speed printing, therefore popularized rapidly in recent years.
As the ink that such ink-jet recording uses, comprise colo(u)rant dispersion to the so-called non-aqueous pigment ink in non-water solvent.Non-aqua-system pigment ink for ink jet is not Miboin dry solidification on paper, but ink penetration is to the ink of the inner dry infiltration drying mode of paper, its have stability in machine (interval ejection, long-time place after ejection restorative etc.) feature such as curling, black infiltration time of drying that is good, that do not have paper is short and getting most of the attention.
In non-aqueous pigment ink, generally speaking, because when using the pigment dispersing agent be dissolved in solvent, this pigment dispersing agent improves the affinity of solvent and pigment, therefore exist when solvent penetration is to paper, pigment is also easily brought into the tendency of paper inside.Consequently, printing concentration reduces, and sometimes easily print through occurs.
In addition, the ink dropping on paper surface is in non-drying regime, when paper is transferred roller conveying, so-called roller transfer occurs sometimes and pollutes.That is, undried ink is attached on conveying roller sometimes, on the conveyance direction downstream side region that the ink that conveying roller adheres to is transferred to same paper, the paper that is next transferred, paper occurs ink and pollutes.This roller transfer pollutes becomes problem especially dropping to time of being carried by conveying roller short occasion from ink in high speed printing.
In patent documentation 1, in order to provide the print through of suppression print, improve printing concentration and the non-aqueous pigment ink of package stability, and propose the non-aqueous pigment ink containing 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 object such as diffusion regulating non-aqueous pigment ink dot in recording medium, the resin adding and be dissolved into polar organic solvent is proposed.
But generally speaking, once Xiang Mozhong with the addition of solid resin, the viscosity of ink will raise, easily there is roller transfer and pollute.So, just there is the problem that two kinds of performances are difficult to take into account.
prior art document
patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2010-1452 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2004-2666 publication
Summary of the invention
the problem that invention will solve
The object of the present invention is to provide a kind ofly prevent transfer printing from polluting, printing concentration is high, reduce the Non-aqua-system pigment ink for ink jet of print through.
for the scheme of dealing with problems
As one aspect of the present invention, provide a kind of Non-aqua-system pigment ink for ink jet comprising sour modified petroleum system hydrocarbon resin, pigment and non-water solvent.
the effect of invention
Can provide a kind of according to the present invention and prevent transfer printing pollution, print the Non-aqua-system pigment ink for ink jet that concentration is high, reduce print through.
Embodiment
Below, embodiments of the present invention are described, but the example in present embodiment does not limit effect to the present invention.
As the Non-aqua-system pigment ink for ink jet (following, sometimes referred to as " ink ") of an embodiment of the invention, it is characterized in that, it comprises sour modified petroleum system hydrocarbon resin, pigment and solvent.Accordingly, can provide a kind of and prevent transfer printing from polluting, printing concentration is high, reduce the Non-aqua-system pigment ink for ink jet of print through.
By adding sour modified petroleum system hydrocarbon resin in ink, can prevent transfer printing from polluting, improve printing concentration, reducing print through.This can think due to by making containing sour modified petroleum system hydrocarbon resin in ink, and when ink falls on the recording medium, the solvent release of ink improves.That namely, can think due to sour modified petroleum system hydrocarbon resin and the non-water solvent containing petroleum solvent etc. is poorly soluble, therefore when ink falls on the recording medium, non-water solvent in ink departs from and penetrates into recording medium inside at once, and recording medium surface stayed by sour modified petroleum system hydrocarbon resin and pigment.Like this, if solvent release is good, the drying of ink and fixing fast, can prevent transfer printing from polluting.In addition, because solvent release is good, when ink falls on the recording medium, pigment in ink not easily penetrates into recording medium inside together with non-water solvent, in addition, also can prevent pigment from spreading on recording medium surface together with non-water solvent, therefore can improve printing concentration, reduce print through.
As the petroleum hydrocarbon resin of composition sour modified petroleum system hydrocarbon resin, be not particularly limited, the C 5 through-stone oleo-resinous using amylene, pentadiene, isoprene etc. as raw material can be enumerated, using indenes, methyl indenes, Vinyl toluene, vinylbenzene, alpha-methyl styrene, Beta-methyl vinylbenzene etc. as the C9 through-stone oleo-resinous of raw material, the DCPD(dicyclopentadiene using cyclopentadiene, dicyclopentadiene etc. as raw material) through-stone oleo-resinous, two or more in the raw material of these petroleum resin carried out combining and copolymerization and the copolymerized petroleum resin etc. that obtains.
Acid modified petroleum system hydrocarbon resin to process petroleum hydrocarbon resin with unsaturated carboxylic acid or its acid anhydrides and obtains, and unsaturated carboxylic acid or its acid anhydrides and alcohol can be made to carry out reaction to petroleum hydrocarbon resin and obtain.
Acid modified petroleum system hydrocarbon resin preferably has aromatic hydrocarbyl.Therefore, the aromatic hydrocarbyl of acid modified petroleum system hydrocarbon resin demonstrates the adsorption to pigment, increase the adsorptivity of sour modified petroleum system hydrocarbon resin and pigment, solvent release can be improved further, can prevent transfer printing from polluting, improve printing concentration and promote the effect reducing print through further.
As the sour modified petroleum system hydrocarbon resin with aromatic hydrocarbyl, 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 can be enumerated, 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, such as, 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, such as, vinylformic acid, methacrylic acid, β-crotonic acid, toxilic acid, fumaric acid, methylene-succinic acid, citraconic acid, styracin etc. can be enumerated, and the acid anhydrides of these acid.Particularly from the viewpoint of reactive 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 % relative to petroleum hydrocarbon resin, more preferably 0.1 ~ 10 quality %.
As alcohol, such as monohydroxy-alcohol, polyvalent alcohol or their combination can be used.
As monohydroxy-alcohol, the straight chain alcohols such as such as n-butyl alcohol, 1-hexanol, 1-octanol, 2-Ethylhexyl Alcohol, 1-lauryl alcohol, 1-stearyl alcohol, 1-behenyl alcohol can be enumerated, the aromatic alcohol such as phenylcarbinol, naphthols.
As polyvalent alcohol, the straight chain alcohols such as 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 can be enumerated, 1, the alicyclic alcohol such as 4-cyclohexanediol, 1,4 cyclohexane dimethanol.
As the usage quantity of alcohol, such as, relative to the 1 equivalent carboxyl that unsaturated carboxylic acid or its acid anhydrides have, preferably with 0.3 ~ 2 equivalent, wherein preferably the ratio of the hydroxyl of 0.4 ~ 1.5 equivalent is added.
The reactions steps of acid modification is not particularly limited.Such as, can by petroleum hydrocarbon resin, unsaturated carboxylic acid or its acid anhydrides and alcohol mixing, catalyst-free or interpolation catalyzer, heating simultaneously makes it reaction.Or, also can react petroleum hydrocarbon resin and unsaturated carboxylic acid or the heating of its acid anhydrides in advance, then add alcohol and carry out esterification.
Relative to black total amount, sour modified petroleum system hydrocarbon resin can coordinate with below 15 quality %, more preferably below 10 quality %, further preferred below 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, prevent transfer printing from polluting in order to the effect by solvent release fully obtains, improve printing concentration and reduce the effect of print through, relative to black total amount, sour modified petroleum system hydrocarbon resin can coordinate with more than 0.1 quality %, more preferably more than 1 quality %, further preferred more than 3 quality %.
In addition, by quality ratio, relative to 1 part of pigment, sour modified petroleum system hydrocarbon resin can coordinate according to being scaled with solids component 0.1 ~ 15 part, more preferably 0.3 ~ 5 part, preferably 0.3 ~ 1 part further.
As the acid number of sour modified petroleum system hydrocarbon resin, can 25(mgKOH/g be set to) below, preferred 20(mgKOH/g) below.Be 25(mgKOH/g by making acid number) below, the dispersiveness keeping ink can be stablized.In addition, in order to fully obtain the effect of solvent release, as the acid number of sour modified petroleum system hydrocarbon resin, 0.1(mgKOH/g can be set to) more than, preferred 0.5(mgKOH/g) more than, preferred 5.0(mgKOH/g further) more than.
As the acid number of sour modified petroleum system hydrocarbon resin, can be adjusted by the use level of carboxylic acid or its acid anhydrides, alcohol in the reactions steps of above-mentioned sour modification.In addition, also can by other different from acid number for sour modified petroleum system hydrocarbon resin sour modified petroleum system hydrocarbon resins be mixed into Row sum-equal matrix.
As the number-average molecular weight of sour modified petroleum system hydrocarbon resin, from the viewpoint of black viscosity, preferably 300 ~ 3000, more preferably 300 ~ 1500.
In addition, as the softening temperature of sour modified petroleum system hydrocarbon resin, from the viewpoint of ejection stability, preferably 60 ~ 140 DEG C.
The pigment that the ink of present embodiment contains can be random color, as black ink pigment, can enumerate furnace black, dim, the carbon black class such as 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 be used alone or at random used in combination.
As color ink pigment, toluidine red can be exemplified, fast carmine FB, tetrazo orange PMP, Lake red C, bright fuchsin 6B, quinacridone is red, diox is purple, orthonitraniline orange, dinitro aniline orange, the orange of resistance to sulfuration (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), pigment scarlet 3B color lake, the purplish red 10B in color lake, anthosin (Anthosine) 3B color lake, anthosin 5B color lake, rhodamine 6G color lake, eosine lake, red iron oxide, naphthol red FGR, rhodamine B lake, Methyl Violet 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 pure blue, Alkali blue 5B color lake, alkali blue 6G color lake, fast sky blue, 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, BG color lake, diamond green, thio-flavin color lake, Phthalocyanine Green G, green gold, phthalocyanine green Y, brown iron oxide, 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 be used alone or used in combination arbitrarily.
From the view point of ejection stability and storage stability, the median size of pigment is preferably below 300nm, is more preferably below 150nm, more preferably below 100nm.Here, the median size of pigment is the value that the dynamic light scattering formula particle size distribution device LB-500 produced by Horiba Ltd is recorded.
Pigment content in ink is generally 0.01 ~ 20 quality %, from the view point of printing concentration and black viscosity, preferably 3 ~ 15 quality %.
In order to make pigment good distribution in ink, preferably in ink, add pigment dispersing agent.As pigment dispersing agent, as long as be scattered in the material in solvent with making pigment stabilizer, be not particularly limited, such as can use 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, high molecular unsaturated acid ester, high-molecular copolymer, modified polyurethane, modified polyacrylate, polyether ester type negatively charged ion system promoting agent, naphthalene sulfonic acidformaldehyde condensation product salt, polyoxyethylene alkyl phosphate (polyoxyethylene alkylphosphate), ethylene nonyl phenyl ether, polyester polyamine, stearic amine acetic ester etc., wherein preferably use macromolecule dispersing agent.
As the concrete example of pigment dispersing agent, " the SOL SPERSE5000 (phthalocyanine ammonium salt system) that Japanese The LubrizolCorporation produces can be enumerated, 13940 (polyesteramine systems), 17000, 18000 (fatty acid amine systems), 11200, 22000, 24000, 28000 " (trade(brand)name is), " 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), " the Discol 202 that Di-ichi Kogyo Seiyaku Co., Ltd. produces, 206, OA-202, OA-600 (multichain type polymer nonionic system) " (being trade(brand)name) etc.
In ink, the use level of pigment dispersing agent can be suitable for setting, but from the viewpoint of pigment-dispersing, by quality ratio, relative to 1 part of pigment optimization about 0.05 ~ 2.0 part, more preferably 0.1 ~ 1.5 part.Relative to black total amount, pigment dispersing agent is preferably containing about 0.5 ~ 15 quality %, more preferably 1 ~ 12 quality %.
As non-water solvent, be non-polar organic solvent and polar organic solvent and 50% to distillate be some the solvent of more than 150 DEG C.50% distillate a little refer to record according to JIS K0066 " the distillation test method of chemical preparations ", in mass 50% solvent evaporates time temperature.From the viewpoint of security, 50% of non-water solvent distillates a little preferably more than 160 DEG C, and then, more preferably more than 230 DEG C.
Such as, as non-polar organic solvent, the petroleum solvents such as aliphatic hydrocarbon solvent, ester ring type hydrocarbon system solvent, aromatic hydrocarbon solvents preferably can be listed.As aliphatic hydrocarbon solvent, ester ring type hydrocarbon system solvent, preferably can list " the Teclean N-16 that such as JX NIPPONOIL & ENERGY CORPORATION produces, TecleanN-20, Teclean N-22, Nisseki Naphtesol L, Nisseki NaphtesolM, 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 ", " Normal Paraffin H " that J Co., Ltd. apan Energy Corporation produces etc.As aromatic hydrocarbon solvents, " Nisseki cleansol G " (alkylbenzene) that Nippon Oil Co., Ltd produces preferably can be listed, " SOLVESSO200 " etc. that Exxon company produces.
As polar organic solvent, ester series solvent, alcohol series solvent, higher fatty acid series solvent, ether series solvent and their mixed solvent can be used.Such as, more than a kind that is selected from group that the higher fatty acid as the ester series solvent of ester of the higher fatty acid of carbon number 8 ~ 20 and the alcohol of carbon number 1 ~ 24, the higher alcohols of carbon number 8 ~ 24 and carbon number 8 ~ 20 forms can preferably be used.
As polar organic solvent, more specifically, preferably can 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, linolic acid isobutyl ester, ethyl linoleate, IPIS, soybean oil methyl esters, soybean oil isobutyl ester, Yatall MA methyl esters, 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 alcohol series solvents such as different tetradecyl alcohol, different palmityl alcohol, isooctadecanol, oleyl alcohol, hexyl decyl alcohol (HEXYLDECANOL), octyl dodecanol, decyl tetradecyl alcohol, the senior fatty acid series solvent 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 be used alone these non-water solvents, or two or more is combinationally used.
In the present embodiment, in order to improve the detachment of solvent, preferably containing petroleum solvent in above-mentioned non-water solvent.As petroleum solvent, can be any one in aliphatic hydrocarbon solvent, ester ring type hydrocarbon system solvent, aromatic hydrocarbon solvents etc., but as tartaric acid modified petroleum system hydrocarbon resin be the occasion of the resin based on C5 through-stone oleo-resinous, preferred aliphat hydrocarbon solvent.Relative to the total mass of non-water solvent, petroleum solvent is more than 20 quality % preferably, and then, more preferably more than 40 quality %.
In addition, in non-water solvent, in order to improve the solvability of sour modified petroleum system hydrocarbon resin, preferably in above-mentioned non-water solvent, ester series solvent and/or alcohol series solvent is contained together with petroleum solvent, particularly preferably containing ester series solvent.Relative to the total mass of non-water solvent, ester series solvent is more than 10 quality % preferably, and then, more preferably more than 30 quality %.
As alcohol series solvent, consider from the deliquescent viewpoint of sour modified petroleum system hydrocarbon resin, the alcohol series solvent of preferred carbon number 8 ~ 22, such as different tetradecyl alcohol (carbon number 14), different hexadecanol (carbon number 16), isooctadecanol (carbon number 18), oleyl alcohol (carbon number 18) can be used, and by two polyalcohols etc. that Guerbet reaction etc. obtains.Relative to the total mass of non-water solvent, content preferably more than the 1 quality % of alcohol series solvent, and then, more preferably more than 5 quality %.
In the non-aqueous pigment ink of present embodiment, in the scope not hindering effect of the present invention, also suitably can 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 material used 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, ejection environment etc. of ejecting head, but generally speaking, is preferably 5 ~ 30mPas at 23 DEG C, more preferably 5 ~ 15mPas, further preferred about 10 ~ 13mPas.Here, viscosity table to be shown in when shear-stress being increased from 0Pa at 23 DEG C with the speed of 0.1Pa/s value at lopa.
As an example of manufacture method, disposable or gradation the whole compositions containing sour modified petroleum system hydrocarbon resin, pigment and non-water solvent can be added in the dispersion machines such as ball mill, stir and mix, utilizing membrane filter etc. to filter according to expectation, thus obtaining.Such as, can modulate in advance by a part for non-water solvent and the pigment of whole amount and the mixed uniformly mixed solution of optional pigment dispersing agent, it is made to disperse by dispersion machine, conditioned pigment dispersion, in addition, dissolving acid modified petroleum system hydrocarbon resin in remaining non-water solvent, modulating resin solution, next pigment dispersion is mixed with resin solution, by filter, modulate thus.
The ink jet recording method using non-aqueous pigment ink can be any one modes such as piezo electrics, electrostatic means, hot mode.When using ink-jet recording device, preferably can according to the ink of numerary signal from ink gun ejection present embodiment, and the black drop of ejection be adhered on the recording medium.
As recording medium, be not particularly limited, common paper, high-quality common paper, ink-jet (IJ) paper, IJ sub-machine-glazed paper, the White Board being coated with black absorbent solution on the recording medium, the micro-White Board thinner than the thickness of the black absorption layer of White Board, glossy paper (glossy paper), special paper, cloth etc. can be used.
embodiment
Below, by embodiment, the present invention is described in detail, but the present invention is not by these restriction.
The making > of < resin solution
Each solid resin 50 quality % shown in table 1 is mixed with Witconol 2301 (EXCEPARL " M-OL " that Kao Corp produces) 50 quality %, is heated to 120 DEG C, make it while stirring to dissolve, obtain forming the resin solution as shown in table 2 and table 3.In addition, the mass ratio of the resin solution of embodiment 6 is to be aliphatic/aromatic system hydrocarbon resin A and C 5 by C5/C 9 be fatty family hydrocarbon resin is that the mixture 50 quality % of 1:1 and Witconol 2301 50 quality % are mixed to get.
table 1
the detailed content of [table 1] solid resin
The modulation > of < 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 produce) dispersion 4 hours, obtain pigment dispersion.After the pigment dispersion obtained is mixed with solid resin solution, use cellulose acetate filter (ADVANTEC Co., LTD company produces, aperture: 3 μm) to remove big particle, obtain ink.
table 2
the ink formulations of [table 2] embodiment
table 3
the ink formulations of [table 3] comparative example
Table 2 and the composition shown in table 3 as follows.
Carbon black: MA8, Mitsubishi chemical Co., Ltd produces.
SOLSPERSE28000:The Lubrizol Corporation produces.
No. AFSolvent6: petroleum aliphatic hydrocarbon solvent, JX NIPPON OIL & 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
(aliphatic/aromatic system of C5/C9 system hydrocarbon resin A)
By solid resin and THF(tetrahydrofuran (THF)) with mass ratio be 1:2 ratio mixing, dissolve, modulation mensuration resin solution.Next, measure the Erlenmeyer flask that this mensuration resin solution 15g is placed in 100ml, add several phenolphthalein solutions as indicator.Then, use 10ml drop-burette to carry out titration with the potassium hydroxide-ethanol solution of 0.5mol/1 to this solution, using indicator be light red, lasting more than 30 seconds time as terminal.According to the amount of the potassium hydroxide needed in titration, obtain the acid number of every 1g solid resin, result is 17(mgKOH/g).In addition, the reagent of use is the pure medicine industrial production with light.
(aliphatic/aromatic system of C5/C9 system hydrocarbon resin A and C5 is the mass ratio of fatty family hydrocarbon resin is the mixture of 1:1)
In the measuring method of aliphatic/aromatic system of above-mentioned C5/C9 system hydrocarbon resin A, the mixture that to use C5/C9 system aliphatic/aromatic system hydrocarbon resin A and C5 to be the mass ratio of fatty family hydrocarbon resin be 1:1 as solid resin, measure the Erlenmeyer flask that mensuration resin solution 30g is placed in 100ml, similarly obtain the acid number of every 1g solid resin in addition, result is 9.4(mgKOH/g).
The acid number of other solid resins, with reference to products catalogue (catalogue) value.
The mensuration > of < ink viscosity
The viscosity of ink is viscosity at lopa when making shear-stress increase with the speed of 0.1Pa/s from 0Pa at 23 DEG C, the stress control formula rheometer RS75(cone angle l ° produced by HAAKE company, diameter 60mm) measure.
< prints the evaluation > of concentration
The ink obtained is loaded in ink-jet printer " ORPHIS-X9050 " (Risokagaru Corporation's production), the full domain picture being equivalent to 300dpi is printed onto the thin mouth of desirable paper using (Risokagaru Corporation produces, common paper).Use optical concentration meter (production of RD920, Macbeth company) to measure the surperficial OD value of the full version image section of print, evaluate according to following benchmark.In addition, " ORPHI SX9050 " be use ink jet head carry out along the sub scanning direction conveying paper perpendicular to main scanning direction (direction of nozzle arrangement) system that prints.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 less than 1.04
< print through prevents the evaluation > acted on
Measure the back side OD value of the full version image section of the print of acquisition in the same manner as above-mentioned printing concentration evaluation, evaluate 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 less than 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 ink obtained is loaded in " ORPHIS-X9050 " (Risokagaru Corporation's production), the full domain picture being equivalent to 300dpi is printed onto the thin mouth of desirable paper using (Risokagaru Corporation produces, common paper).The pollution level of the non-print part of visual observation print, evaluates 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: there is some transfer printings and pollute
C: transfer printing is polluted obviously
As shown in table 2 and table 3, the ink of each embodiment has excellent transfer printing contamination preventing effect, and printing concentration and print through prevent effect also good.In embodiment 1 ~ 4, use identical solid resin, the proportioning of solid resin is different, known when solid resin amount increases, and can improve the effect of transfer printing contamination preventing and printing concentration.In example 4, when solid resin amount is more than 10 quality %, the viscosity of ink also raises, and therefore can think that the effect that prevents that transfer printing is polluted declines.In embodiment 3,5 and 6, solid resin amount is identical but the kind of solid resin different, and the acid number of known solid resin is high, then what transfer printing was polluted prevents effect excellent.
In comparative example 1, owing to not containing solid resin, therefore printing concentration and print through prevent effect from declining.In comparative example 2 and 3, because solid resin does not carry out sour modification, the effect that prevents that therefore transfer printing is polluted have dropped.In comparative example 4, owing to being not petroleum hydrocarbon resin, the effect of therefore transfer printing contamination preventing declines.
Claims (5)
1. a Non-aqua-system pigment ink for ink jet, it contains sour modified petroleum system hydrocarbon resin, pigment and non-water solvent, the petroleum hydrocarbon resin forming described sour modified petroleum system hydrocarbon resin comprises C9 through-stone oleo-resinous and/or C5 through-stone oleo-resinous and C9 through-stone oleo-resinous and carries out combining and copolymerization and the copolymerized petroleum resin that obtains, and the acid number of described sour modified petroleum system hydrocarbon resin is 0.1mgKOH/g ~ 25mgKOH/g.
2. Non-aqua-system pigment ink for ink jet according to claim 1, wherein, the acid number of described sour modified petroleum system hydrocarbon resin is 0.5mgKOH/g ~ 20mgKOH/g.
3. Non-aqua-system pigment ink for ink jet according to claim 1 and 2, wherein, described sour modified petroleum system hydrocarbon resin has aromatic hydrocarbyl.
4. Non-aqua-system pigment ink for ink jet according to claim 1 and 2, wherein, described non-water solvent contains petroleum solvent, ester series solvent and/or alcohol series solvent.
5. Non-aqua-system pigment ink for ink jet according to claim 1 and 2, wherein, the content of described sour modified petroleum system hydrocarbon resin is: be 3 quality % ~ 10 quality % relative to the total amount of ink.
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| JP2011-249304 | 2011-11-15 | ||
| JP2011249304A JP5878735B2 (en) | 2011-11-15 | 2011-11-15 | Non-aqueous pigment ink for inkjet |
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| CN103102736B true CN103102736B (en) | 2015-04-22 |
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| 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 |
| JP6785174B2 (en) * | 2017-03-22 | 2020-11-18 | 理想科学工業株式会社 | Oil pigment 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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| 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 |
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| JP2013104001A (en) | 2013-05-30 |
| CN103102736A (en) | 2013-05-15 |
| JP5878735B2 (en) | 2016-03-08 |
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