(3) summary of the invention
The present invention is directed to the problems referred to above special-purpose code-spraying printing ink of a kind of PVC cable and preparation method are provided, the not stifled nozzle of this printing ink, good, the good endurance of sticking power, making method is simple, easy handling.
The technical scheme that the present invention adopts is:
The present invention provides a kind of PVC cable special-purpose code-spraying printing ink; Form based on said code-spraying printing ink total raw material quality, said code-spraying printing ink is made up of following quality proportion raw material: 60 ~ 90 parts of organic solvent mixed solutions, 5 ~ 12 parts of adhesive resins, 1 ~ 10 part of tinting material, 0.1 ~ 2.0 part in softening agent, 0.1 ~ 2.0 part of adhesion promoter, 0.1 ~ 2.0 part in tensio-active agent, 0.2 ~ 5.0 part of dispersion agent and electricity are led 0.1 ~ 2.0 part of agent;
The organic solvent mixed solution adopts 3 types solvent system among the present invention; Wherein contain a kind of ink composite of giving at least and have the high volatile volatile solvent (organic solvent that boiling point is 50~100 ℃ of drying property preferably at substrate surface; Be organic solvent A) and a kind of low voc solvent (boiling point is 100~240 ℃ of organic solvents, i.e. organic solvent B), the rate of volatilization of control organic solvent mixed solution is less than 10s; In addition; Also contain and a kind ofly can produce the organic solvent of swelling and alligatoring effect substrate surface, i.e. organic solvent C, said thus organic solvent mixed solution is the mixing solutions of organic solvent A, organic solvent B and organic solvent C; Said organic solvent A is that boiling point is the mixing of 50~100 ℃ of one or more arbitrary proportions in the organic solvent; Form based on said code-spraying printing ink total raw material quality, said organic solvent A mass fraction is 55 ~ 85 parts, is preferably 60 ~ 80 parts (more preferably 61.5 ~ 75.5 parts); Said organic solvent B is that boiling point is the mixing of 100~240 ℃ of one or more arbitrary proportions in the organic solvent; Form based on said code-spraying printing ink total raw material quality; The mass fraction of said organic solvent B is 3 ~ 20 parts, and the mass fraction of said organic solvent B is preferably 4 ~ 18 parts; Said organic solvent C is a kind of in N-Methyl pyrrolidone, N-ethyl pyrrolidone, gamma-butyrolactone or the γ-Wu Neizhi, and preferred N-Methyl pyrrolidone is formed based on said code-spraying printing ink total raw material quality, and the mass fraction of said organic solvent C is 1 ~ 8 part; The present invention's's said " forming " implication based on said code-spraying printing ink total raw material quality be the mass parts unit mass of each material of the present invention all by total mass, promptly the mass parts unit mass of each material all equates.
Adhesive resin that adopts among the present invention and stock material surface have very strong magnetism; Can improve the sticking power of ink film to the stock surface; Give ink film certain rub resistance, said adhesive resin is hydroxyl vinyl chloride-vinyl acetate resin and the vinyl resin mixture with the ratio of mass ratio 1:1~7;
Tinting material among the present invention can be single pigment or solvent dye, also can be the compsn of pigment or solvent dye;
Said softening agent is the mixing of one or more arbitrary proportions among triethyl citrate, diethyl phthalate, DOP, softening agent
160 or the softening agent Rit-Cizer 8, the optimization citric acid triethyl;
Said adhesion promoter can be selected the mixing of one or more arbitrary proportions among Silquest A-1100, SilquestA-1200, Silquest A-187 or the Silquest A-186 of Momentive for use, preferred SilquestA-1100;
Said tensio-active agent can be selected the polyester modification YSR 3286 BYK of BYK-Chemicals for use
TM333, BYK
TM378 or BYK
TM388 or the fluorine fat FC of 3M
TM-4430, preferred fluorine lipid tensio-active agent FC
TM-4430;
It is one of following that said dispersion agent can be selected for use: Solsperse
TM24000 (Lubrizol Corp.), Solsperse
TM32500 (Lubrizol Corp.), Solsperse
TM36000 (Lubrizol Corp.), Solsperse
TMThe mixing of one or more arbitrary proportions among 38500 (Lubrizol Corp.), BYKJET-9130 (Bi Ke chemistry), BYKJET-9132 (Bi Ke chemistry) or the BYKJET-9133 (Bi Ke chemistry), preferred Solsperse
TM24000;
Said electricity is led the mixing that agent is one or more arbitrary proportions in trifluoromethanesulfonic acid lithium, acetic acid tetramethyl-ammonium, hydrochloric acid dimethyl amine or the hydrochloric acid dibutylamine, preferred trifluoromethanesulfonic acid lithium.
Softening agent according to the invention can be given ink film snappiness preferably, thereby improves the sticking power of ink film on PVC cable top layer to a certain extent.Said dispersion agent is that a kind of dissolving in maybe can be scattered in dispersant with high efficiency in the solvent, gives the good dispersiveness of pigment, flowability and stability in storage.Said tensio-active agent is polyester modification YSR 3286 or fluorine lipid.
Further, form based on said code-spraying printing ink total raw material quality, the mass fraction of said organic solvent A is preferably 60 ~ 80 parts (more preferably 61.5 ~ 75.5 parts).
Further, said organic solvent A is preferably the mixing of one or more arbitrary proportions in acetone, butanone, MIPK, ETHYLE ACETATE or the Iso Butyl Acetate, more preferably butanone.
Further, form based on said code-spraying printing ink total raw material quality, the mass fraction of said organic solvent B is preferably 4 ~ 18 parts.
Further; Said organic solvent B is preferably the mixing of one or more arbitrary proportions in cyclohexanone, diethylene glycol ether acetic ester, dipropylene glycol methyl ether acetate, 1-Methoxy-2-propyl acetate, propylene glycol monomethyl ether, Diethylene Glycol butyl ether or the n-Butyl lactate, more preferably 1-Methoxy-2-propyl acetate.
Further, form based on said code-spraying printing ink total raw material quality, the mass fraction of said organic solvent C is 2 ~ 5 parts (more preferably 2 ~ 4 parts).
Further, said organic solvent C is a kind of in N-Methyl pyrrolidone, N-ethyl pyrrolidone, gamma-butyrolactone or the γ-Wu Neizhi, more preferably N-Methyl pyrrolidone.
Further, hydroxyl vinyl chloride-vinyl acetate resin described in the said adhesive resin is vinyl chloride-vinyl acetate resin E22/48A, vinyl chloride-vinyl acetate resin E15/45M or vinyl chloride-vinyl acetate resin E15/45, preferred vinyl chloride-vinyl acetate resin E22/48A, and vinyl resin is vinyl resin Paraloid
TMB60, vinyl resin Paraloid
TMB66, vinyl resin Paraloid
TMB67, vinyl resin Paraloid
TMB66, vinyl resin B-60, vinyl resin B-66, vinyl resin BR-106, vinyl resin BR-73, vinyl resin 64/12N, vinyl resin LP64/11, vinyl resin 66/02 or vinyl resin BR-116, preferred acrylic resins BR-106.
Further; Pigment described in the said tinting material be white titanium pigment R-900, white titanium pigment R-902, carbon black 400R, carbon black M-L, carbon black
Black C-K,, carbon black
Black C-T or carbon black
Black C-A, one or both among preferred white titanium pigment R-900, carbon black 400R or carbon black
the Black C-K; Said solvent dye is solvent-borne type black dyes
Black RLI or solvent-borne type black dyes
Black CN, preferred solvent type black dyes
Black RLI.
Further; According to the invention based on the per 100 parts of code-spraying printing inks of said code-spraying printing ink total raw material quality, preferably be made up of following quality proportion raw material: 70 ~ 85 parts of organic solvent mixed solutions, 5 ~ 10 parts of adhesive resins, 2 ~ 8 parts of tinting materials, 0.5 ~ 1.5 part in softening agent, 0.2 ~ 1.0 part of adhesion promoter, 0.2 ~ 0.5 part in tensio-active agent, 0.5 ~ 3 part of dispersion agent and electricity are led 0.2 ~ 1.0 part of agent.
Preferably, form based on said code-spraying printing ink total raw material quality, the organic solvent mixed solution of said code-spraying printing ink is preferably 71.5 ~ 73.5 parts of butanone, 6 parts of 1-Methoxy-2-propyl acetates and 4 parts of N-Methyl pyrrolidone and forms.
Further; Code-spraying printing ink according to the invention is formed based on said code-spraying printing ink total raw material quality, and more preferably per 100 parts of code-spraying printing inks are made up of following quality proportion raw material: 81 ~ 87 parts of organic solvent mixed solutions, 8 parts of adhesive resins, 3 ~ 7 parts of tinting materials, 1 part in softening agent, 0.3 part of adhesion promoter, 0.2 part in tensio-active agent, 1 part of dispersion agent and electricity are led 1 part of agent.
Further; Form based on said code-spraying printing ink total raw material quality, the special-purpose code-spraying printing ink of described per 100 parts of PVC cables preferably is made up of following quality proportion raw material: 71.5 parts of butanone, 6 parts of 1-Methoxy-2-propyl acetates, 4 parts of N-Methyl pyrrolidone, 1 part of hydroxyl vinyl chloride-vinyl acetate resin E22/48A, 7 parts of vinyl resin BR-106,7 parts of white titanium pigment R-900,1 part of triethyl citrate, 0.3 part of adhesion promoter Silquest A-1100,1 part of dispersion agent Solsperse
TM24000,1 part of trifluoromethanesulfonic acid lithium and 0.2 part of tensio-active agent fluorine ester FC
TM-4430.
Further; Form based on said code-spraying printing ink total raw material quality, the special-purpose code-spraying printing ink of described per 100 parts of PVC cables preferably is made up of following quality proportion raw material: 71.5 parts of butanone, 6 parts of 1-Methoxy-2-propyl acetates, 4 parts of N-Methyl pyrrolidone, 2 parts of hydroxyl vinyl chloride-vinyl acetate resin E22/48A, 6 parts of vinyl resin BR-106,7 parts of white titanium pigment R-900,1 part of triethyl citrate, 0.3 part of adhesion promoter Silquest A-1100,1 part of dispersion agent Solsperse
TM24000,1 part of trifluoromethanesulfonic acid lithium and 0.2 part of tensio-active agent fluorine fat FC
TM-4430.
Further; Form based on said code-spraying printing ink total raw material quality, the special-purpose code-spraying printing ink of described per 100 parts of PVC cables preferably is made up of following quality proportion raw material: 71.5 parts of butanone, 6 parts of 1-Methoxy-2-propyl acetates, 4 parts of N-Methyl pyrrolidone, 4 parts of hydroxyl vinyl chloride-vinyl acetate resin E22/48A, 4 parts of vinyl resin BR-106,7 parts of white titanium pigment R-900,1 part of triethyl citrate, 0.3 part of adhesion promoter Silquest A-1100,1 part of dispersion agent Solsperse
TM24000,1 part of trifluoromethanesulfonic acid lithium and 0.2 part of tensio-active agent fluorine fat FC
TM-4430.
Further; Form based on said code-spraying printing ink total raw material quality, the special-purpose code-spraying printing ink of described per 100 parts of PVC cables preferably is made up of following quality proportion raw material: 73.5 parts of butanone, 4 parts of 1-Methoxy-2-propyl acetates, 4 parts of N-Methyl pyrrolidone, 1 part of hydroxyl vinyl chloride-vinyl acetate resin E22/48A, 7 parts of vinyl resin BR-106,7 parts of white titanium pigment R-900,1 part of triethyl citrate, 0.3 part of adhesion promoter Silquest A-1100,1 part of dispersion agent Solsperse
TM24000,1 part of trifluoromethanesulfonic acid lithium and 0.2 part of tensio-active agent fluorine fat FC
TM-4430.
Further; Form based on said code-spraying printing ink total raw material quality, the special-purpose code-spraying printing ink of described per 100 parts of PVC cables preferably is made up of following quality proportion raw material: 69.5 parts of butanone, 8 parts of 1-Methoxy-2-propyl acetates, 4 parts of N-Methyl pyrrolidone, 1 part of hydroxyl vinyl chloride-vinyl acetate resin E22/48A, 7 parts of vinyl resin BR-106,7 parts of white titanium pigment R-900,1 part of triethyl citrate, 0.3 part of adhesion promoter Silquest A-1100,1 part of dispersion agent Solsperse
TM24000,1 part of trifluoromethanesulfonic acid lithium and 0.2 part of tensio-active agent fluorine fat FC
TM-4430.
Further; Form based on said code-spraying printing ink total raw material quality, the special-purpose code-spraying printing ink of described per 100 parts of PVC cables preferably is made up of following quality proportion raw material: 61.5 parts of butanone, 18 parts of 1-Methoxy-2-propyl acetates, 2 parts of N-Methyl pyrrolidone, 1 part of hydroxyl vinyl chloride-vinyl acetate resin E22/48A, 7 parts of vinyl resin BR-106,7 parts of white titanium pigment R-900,1 part of triethyl citrate, 0.3 part of adhesion promoter Silquest A-1100,1 part of dispersion agent Solsperse
TM24000,1 part of trifluoromethanesulfonic acid lithium and 0.2 part of tensio-active agent fluorine fat FC
TM-4430.
Further; Form based on said code-spraying printing ink total raw material quality, the special-purpose code-spraying printing ink of described per 100 parts of PVC cables preferably is made up of following quality proportion raw material: 73.5 parts of butanone, 6 parts of 1-Methoxy-2-propyl acetates, 4 parts of N-Methyl pyrrolidone, 2 parts of hydroxyl vinyl chloride-vinyl acetate resin E22/48A, 6 parts of vinyl resin BR-106,6 parts of carbon blacks
Black C-K, 1 part of triethyl citrate, 0.3 part of adhesion promoter Silquest A-1100,1 part of trifluoromethanesulfonic acid lithium and 0.2 part of tensio-active agent fluorine fat FC
TM-4430.
Further; Form based on said code-spraying printing ink total raw material quality, the special-purpose code-spraying printing ink of described per 100 parts of PVC cables preferably is made up of following quality proportion raw material: 71.5 parts of butanone, 6 parts of 1-Methoxy-2-propyl acetates, 4 parts of N-Methyl pyrrolidone, 2 parts of hydroxyl vinyl chloride-vinyl acetate resin E22/48A, 6 parts of vinyl resin BR-106,7 parts of carbon black 400R, 1 part of triethyl citrate, 0.3 part of adhesion promoter Silquest A-1100,1 part of dispersion agent Solsperse
TM24000,1 part of trifluoromethanesulfonic acid lithium and 0.2 part of tensio-active agent fluorine fat FC
TM-4430.
Further; Form based on said code-spraying printing ink total raw material quality, the special-purpose code-spraying printing ink of described per 100 parts of PVC cables preferably is made up of following quality proportion raw material: 75.5 parts of butanone, 6 parts of 1-Methoxy-2-propyl acetates, 4 parts of N-Methyl pyrrolidone, 2 parts of hydroxyl vinyl chloride-vinyl acetate resin E22/48A, 6 parts of vinyl resin BR-106,3 parts of solvent-borne type black dyess
Black RLI, 1 part of triethyl citrate, 0.3 part of adhesion promoter Silquest A-1100,1 part of trifluoromethanesulfonic acid lithium and 0.2 part of tensio-active agent fluorine fat FC
TM-4430.
The present invention also provides the preparation method of the special-purpose code-spraying printing ink of a kind of described PVC cable, and said method is: under the room temperature (20 ℃), the adhesive resin of prescription amount is dissolved with a small amount of organic solvent mixed solution; Process the adhesive resin mixed solution; Tinting material with the prescription amount dissolves with the organic solvent mixed solution that remains the prescription amount again, stirs, disperses, and processes the mixed solution of tinting material; At last the electricity of the dispersion agent of the tensio-active agent of the adhesion promoter of the softening agent of the mixed solution of above-mentioned adhesive resin mixed solution, tinting material and prescription amount, prescription amount, prescription amount, prescription amount and prescription amount being led agent mixes; Stir, the nanometer horizontal sand mill grinds, and filters; Get filtrating, promptly obtain the special-purpose code-spraying printing ink of said PVC cable.
The special-purpose code-spraying printing ink of PVC cable according to the invention is applied to the printing of PVC base material.
Compared with prior art; Beneficial effect of the present invention is mainly reflected in: the present invention has adopted a kind of vinyl chloride-vinyl acetate resin and vinyl resin blended adhesive resin that can produce mixed solvent and a kind of hydroxyl of alligatoring, swelling action to base material to prepare the special-purpose code-spraying printing ink of PVC cable; It is applicable to the printing of PVC base material, and granularity is little, has good spray property; In the rapid drying of PVC substrate surface ability; Anti-contamination, scratch resistance wound, strong adhesion in addition, also have good press quality, printing stability, ink setting property and stability in storage; In the coding process not blocking sprayer, good to PVC cable sticking power, weather resistance is good.
(4) embodiment
Below in conjunction with specific embodiment the present invention is described further, but protection scope of the present invention is not limited in this:
The mensuration of viscosity according to the invention adopts the DV-II+ type rotor viscosmeter of Bookfield company; Printing ink particle diameter and distribution are measured with Zetasizer3000 HAS Zeta potential nanometer laser particle size analyzer (Britain Malvern); Specific conductivity adopts the DDS-11A conductivitimeter to measure; Surface tension uses the KRUSS100 surface tension instrument to test.The volatility testing method: adopt the kapillary of 5 microlitres to get an amount of ink solutions sample, place watch-glass under the room temperature, the record sample solvent is the required time t of volatilization all
1Get the diethyl ether solution of equal quality again, test its volatilization required time t equally
0, calculate E=t
1/ t
0The E value is more little, shows that its volatilization time is short more, and quick-drying is good more.
Embodiment 1-3
Press the prescription of table 1, prepare the special-purpose code-spraying printing ink of PVC cable: after earlier butanone, 1-Methoxy-2-propyl acetate and N-Methyl pyrrolidone being pressed the mixing of prescription amount, process the organic solvent mixed solution through following method.Then vinyl chloride-vinyl acetate resin E22/84A of the hydroxyl of prescription amount (Germany watt digest) and vinyl resin BR-106 (Mitsubishi) are joined in the above-mentioned part organic solvent mixed solution; Room temperature (25 ℃) stirs, dissolving, makes the adhesive resin mixing solutions.Secondly, white titanium pigment R-900 (Dupont) is joined in the organic solvent mixed solution of residue prescription amount, room temperature (25 ℃) stirs, disperses, and makes the tinting material mixed solution.At last, above-mentioned adhesive resin mixed solution and tinting material mixed solution are at room temperature mixed, add triethyl citrate, Silquest A-1100 (U.S. steps figure), the Solsperse of prescription amount
TM24000 (U.S. Lu Borun), trifluoromethanesulfonic acid lithium and fluorine fat FC
TM-4430 (U.S. 3M), stirring, nanometer horizontal sand mill grind, filter, and get filtrating, promptly get the special-purpose code-spraying printing ink of PVC cable.And the special-purpose code-spraying printing ink of the PVC cable of above-mentioned preparation carried out performance tests such as surface tension, specific conductivity, viscosity, volatility and size, the result sees shown in the table 2.
Table 1 ink combination composition formula
Table 2 ink performance index
Performance index |
Embodiment 1 |
Embodiment 2 |
Embodiment 3 |
Surface tension/dyn/cm |
26 |
27 |
29 |
Specific conductivity/S/m |
0.13 |
0.12 |
0.12 |
Viscosity/mPa.s (25 ℃) |
2.6 |
3.2 |
4.8 |
Volatility/s |
<3 |
<3 |
<3 |
Particle diameter/nm |
100-200 |
100-200 |
100-200 |
Embodiment 4-6
Press the prescription of table 3, prepare the special-purpose code-spraying printing ink of PVC cable: after earlier butanone, 1-Methoxy-2-propyl acetate and N-Methyl pyrrolidone being pressed the mixing of prescription amount, process the organic solvent mixed solution through following method.Vinyl chloride-vinyl acetate resin E22/48A and vinyl resin BR-106 with the hydroxyl of prescription amount joins in the above-mentioned residue prescription amount organic liquid mixture then, and room temperature (25 ℃) stirs, dissolving, makes the adhesive resin mixing solutions.Secondly, white titanium pigment R-900 is joined in the mixed solvent of residue prescription amount, room temperature (25 ℃) stirs, disperses, and makes the tinting material mixed solution.At last, above-mentioned adhesive resin mixing solutions and tinting material mixed solution are at room temperature mixed, add triethyl citrate, Silquest A-1100, the Solsperse of prescription amount
TM24000, trifluoromethanesulfonic acid lithium and fluorine fat FC
TM-4430, stirring, nanometer horizontal sand mill grind, filter, and get filtrating, promptly get the special-purpose code-spraying printing ink of PVC cable.And the special-purpose code-spraying printing ink of the PVC cable of above-mentioned preparation carried out performance tests such as surface tension, specific conductivity, viscosity, volatility and size, the result sees shown in the table 4.
Table 3 ink combination composition formula
Table 4 ink performance index
Performance index |
Embodiment 4 |
Embodiment 5 |
Embodiment 6 |
Surface tension/dyn/cm |
27 |
27 |
28 |
Specific conductivity/μ S/cm |
0.11 |
0.11 |
0.12 |
Viscosity/mPa.s (25 ℃) |
2.9 |
2.9 |
4.7 |
Volatility/s |
<3 |
<6 |
10~50 |
Particle diameter/nm |
100-200 |
100-200 |
100-200 |
Embodiment 7-9
Press the prescription of table 5, prepare the special-purpose code-spraying printing ink of PVC cable: after earlier butanone, 1-Methoxy-2-propyl acetate and N-Methyl pyrrolidone being pressed the mixing of prescription amount, process mixed solvent through following method.Vinyl chloride-vinyl acetate resin E22/48A and vinyl resin BR-106 with the hydroxyl of prescription amount adds in the above-mentioned part organic solvent mixed solution then, and stirring at room, dissolving make the adhesive resin mixing solutions.Secondly; Carbon black
Black C-K (German BASF-vapour crust) and/or carbon black 400R (U.S.'s Cabot chemical industry) and/or solvent-borne type black dyes
Black RLI (German BASF-vapour crust) are joined residue prescription amount organic solvent mixed solution; Stirring at room, dispersion make the tinting material mixed solution.At last, adhesive resin mixing solutions and tinting material mixed solution are mixed, add triethyl citrate, Silquest A-1100, Solsperse
TM24000, trifluoromethanesulfonic acid lithium and fluorine fat FC
TM-4430 auxiliary agents, wherein carbon black 400R needs the nanometer horizontal sand mill to be ground to required particle diameter (shown in the table 4), and carbon black
Black C-K and solvent-borne type black dyes
Black RLI only needs to stir fast and gets final product, and stirs, and through filtering, gets filtrating and promptly gets the special-purpose black code-spraying printing ink of PVC cable.And the special-purpose code-spraying printing ink of the PVC cable of above-mentioned preparation carried out performance tests such as surface tension, specific conductivity, viscosity, volatility and size, the result sees shown in the table 4.
Table 5 ink combination composition formula
Annotate: "-" expression does not have this component.
Table 6 ink performance index
Performance index |
Embodiment 7 |
Embodiment 8 |
Embodiment 9 |
Surface tension/dyn/cm |
26 |
26 |
27 |
Specific conductivity/μ S/cm |
0.11 |
0.11 |
0.13 |
Viscosity/mPa.s (25 ℃) |
2.9 |
2.9 |
3.1 |
Volatility/s |
<3 |
<3 |
<4 |
Particle diameter/nm |
200-230 |
100-200 |
× |
Annotate: " * " expression particle diameter is not surveyed.
The special-purpose code-spraying printing ink compsn of the PVC cable of embodiment 1~9 preparation tested on Videojet 1710 code jetting devices (envrionment temperature: 25 ℃, humidity: 30~90%), the PVC base material is as stock, and testing method is a techniques well known.
Test result:
The special-purpose spray printing sizes of ink dots of the PVC cable of (1) press quality: embodiment 1~9 preparation is even, and writing is clear, color is true to nature, sticking power is excellent, scratch resistance wound, wear resistance are better.
(2) stability in storage: get the PVC cable ink special compsn of a certain amount of embodiment 1~9 preparation, be stored in the airtight vial, under 50 ℃, deposited for 12 weeks, measure ink composite and deposit front and back viscosity variation.Viscosity changed all less than 5 parts before and after embodiment 1~9 placed.
(3) printing stability: during spray printing was tested in continuous 12 hours, the PVC cable ink special that embodiment 1~9 prepares disconnected China ink occurred, assists the number of times that sprays, flies black phenomenon less than 3 times.
Through the special-purpose code-spraying printing ink of the foregoing description gained PVC cable, be applicable to the printing of PVC base material, granularity is little, has good spray property, at the rapid drying of PVC substrate surface ability, anti-contamination, scratch resistance wound, strong adhesion.In addition, also have good press quality, printing stability, ink setting property and stability in storage.