CN101362871A - Water-scraped without set-off intaglio ink - Google Patents
Water-scraped without set-off intaglio ink Download PDFInfo
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Abstract
The invention provides an improved water-washing non-smearing curved gravure ink and a preparation method thereof. The components of the improved water-washing non-smearing curved gravure ink are as follows: 20 to 70 percent of linking marerials, 8 to 50 percent of dye, 1 to 8 percent of solvent, 2 to 28 percent of nanometer padding, 0 to 3 percent of driers, 2 to 12 percent of wax, 1 to 7 percent of surface active agents, 0 to 8 percent of directional agents as well as 0 to 5 percent of adhesion promoter; wherein, the acid value of linking marerials is 10 to 30mgKOH/g and the viscosity is 4 to 16Pa.S/40DEG C. The aspects of the printability, the color characteristics of a printed product and the stability of the ink of the water-washing non-smearing curved gravure ink obtained by the invention by using a low-acid value linking material composite and the corresponding padding and addition agents are effectively improved, the anti-fake level of the printed product can be improved in particular. The improved water-washing non-smearing curved gravure ink can be a water-washing non-smearing curved gravure metal ink, a water-washing non-smearing curved gravure effective ink or a water-washing non-smearing curved gravure anti-fake ink.
Description
Technical field
The invention relates to water-scraped without set-off intaglio ink of a kind of improvement in performance and preparation method thereof, belong to printing technology.
Background technology
In order to tackle the fake producer, some senior anti-counterfeiting technologies are applied in the money, have increased substantially the false proof level of money.But the fake producer is for individual interest, still by various means forged banknotes, raiding disrupting finance order.Therefore, effectively improve the popular anti-counterfeiting characteristic of banknote, become the focus of seal paper money area research.The carved gravure typography is to comprise the important and unique false proof process that adopts in the false proof printing field of seal paper money industry, and the printing characteristics of carved gravure are that figure streakline bar is clear, concave-convex sense is strong, have become effective popular anti-counterfeiting characteristic.
Water-scraped without set-off intaglio ink in use has special printing process and requirement, be that gravure ink at first will be transferred on the forme with engraving figure line by distributor rollers, need wiping roller that the printing ink of non-figure line part on the forme is wiped then, printed substrate (for example paper) is when contacting with forme, makes ink transfer in the forme figure line to paper by a pressure.Gravure ink should satisfy following requirement usually: 1, suitable rheological, can finish smoothly from the transmission and the transfer of ink fountain-distributor rollers-look mould roller-forme-paper to guarantee printing ink; 2, good wiping version cleaning performance guarantees that the printing ink of the non-figure line part on the version can be easy to be wiped by wiping roller, and is easy to be scattered in and wipes in the version liquid; 3, good printing stability, the volatilizable composition balance in the printing ink guarantees in printing process, and phenomenons such as dried roller, dry plate do not take place; 4, good film forming, drying property guarantees printing ink at the dark version line of printing, when seal speed is very fast, timely film forming, and set-off can not satisfy the normal process requirement; 5, give printing good anti-physical and chemical performance; 6, give printing good version line reproducibility.By selection of pigment, this class printing ink has generally included conventional engraving intaglio printing ink, carved gravure metal ink, carved gravure effect inks and carved gravure anti-fake printing ink.Wherein, the carved gravure effect inks comprises three kinds of metallic appearance printing ink, metallike effect inks and ultra-fine transparent metal oxide effect inks, and the pigment that the metallike effect inks uses is as pearly pigment, iron mica etc.; Carved gravure anti-fake printing ink comprises electricity, magnetic, optical printing ink, biochemical printing ink, hot functional ink etc.For printing ink, when requiring it that good printability is arranged, make between printing ink and the stock to have good bonding force, improve the anti-physical and chemical performance of printing in the later stage, giving better color saturation of printing and printing special gloss, is the effective assurance that improves the popular false proof usefulness of printing.
For example, water-scouring contamination-proofing carved gravure metal (effect) printing ink is compared with conventional water-scraped without set-off intaglio ink, have unique metalluster, good anti-color copying capability, its color also is difficult to allotment, is used to print special and high-end false proof fields such as paper money more.The development of water-scouring contamination-proofing carved gravure metal (effect) printing ink starts from the initial stage nineties, but is subjected to the restriction of state of the art at that time, and the suitable property of ink printing is poor, and there are defectives such as metal-like is poor, easy to change, glossiness is bad in printing.Also there is the problem of printing color saturation difference in all kinds of water-scraped without set-off intaglio ink that report arranged at present and used.
Water-scraped without set-off intaglio ink normally is made up of low-melting ink vehicle, pigment, filler and auxiliary agent, and wherein low-melting ink vehicle is as the important component part of printing ink, to the China ink and the printability decisive role of printing ink; Filler is that auxiliary adjustment agent, the auxiliary agent of the common China ink of printing ink is the agent of printing ink functional performance auxiliary adjustment.Open a lot of for the characteristic research of engraving intaglio printing ink and improvement, but focus mostly in common engraving intaglio printing ink.Though relevant studies show that arranged, adopt the higher sylvic oil of acid number, be beneficial to the wetting of pigment, help to improve the cleaning dispersiveness of gravure ink, but this case contriver discovers, use the low-melting ink vehicle component of high acid value to prepare water-scouring contamination-proofing carved gravure metal (effect) printing ink, will influence problems such as printing ink shelf stability and printing color stability.
The purpose that metal ink, effect (effect) printing ink are pursued except printability, also comprises the brightness of printing ink and the texture or the optical effect of printing.With metal (effect) printing ink is example, adopts common low-melting ink vehicle, auxiliary agent and filler in such printing ink, can have poor, the defective such as be a bit darkish in color of printing metal-like after the printing, and except influencing aesthetic, anti-counterfeiting power also can be given a discount.Canadian Patent (CA2280550) discloses a kind of bright gold and has belonged to engraving intaglio printing ink, its result of study is thought the brightness that the filler in the printing ink has been covered metallic particles, therefore in its ink formulations, do not comprise any filler, but in order to solve the problem of the ink stability difference of bringing thus, with ink design is that two-pack is preserved separately, carry out mixing preparation during use earlier, so also brought the production limitation; In addition, this bright gold need be dry through heating ability again after belonging to the engraving intaglio printing ink printing, and used low-melting ink vehicle is commercially available low-melting ink vehicle (wipe the golden China ink of carved gravure as roller, acid number is 45-80mgKOH/g); For the printability of money with the carved gravure metal ink, the figure line reproducibility of water wiping contamination-proof property, gained printing and anti-materialization etc. are all reported.Also there is above-mentioned similar problem in application for other effect inks, extraordinary effect printing ink.
Summary of the invention
This case contriver is at above-mentioned prior art situation, water-scraped without set-off intaglio ink and the used low-melting ink vehicle of printing ink have been carried out comprehensive and systematic analysis, experiment, finally proposed a kind of low acid number low-melting ink vehicle composition and contain the water-scraped without set-off intaglio ink of said composition, Nano filling, New-type adjuvant.
So, the technical problem underlying that institute of the present invention desire solves is to provide a kind of water-scraped without set-off intaglio ink, by improvement and screening to low-melting ink vehicle and filler and auxiliary agent, the printing ink that obtains especially can improve the false proof level of printing all realizing effective improvement aspect the bonding force of the anti-materialization of printability, printing and ink stability and printing ink and stock.
The present invention also provides the preparation method of this water-scraped without set-off intaglio ink simultaneously.
The present invention at first provides a kind of water-scraped without set-off intaglio ink, and its prescription is: low-melting ink vehicle 20-70%, pigment 8-50%, solvent 1-8%, Nano filling 2-28%, siccative 0-3%, wax 2-12%, tensio-active agent 1-7%, directing agent 0-8%, adhesion promoter 0-5% etc.; Wherein, the described low-melting ink vehicle composition that following three kinds of components are formed of serving as reasons, and its acid number is 10-30mgKOH/g, viscosity is 4-16Pa.S/40 ℃, the weight ratio of each component is all based on the gross weight of low-melting ink vehicle composition:
Component A: isocyanate-modified Synolac, its weight ratio are 10-70%;
B component: benzene Synolac between a benzene Synolac and/or modification, its weight ratio are 5-40%;
Component C: at least a plant oil modified resol oil, its weight ratio is 10-70%;
One of key distinction of printing ink provided by the invention and the similar printing ink that uses at present has been to adopt the low-melting ink vehicle composition of low acid number, preferably, in the described low-melting ink vehicle composition, the viscosity of component A is 3-16Pa.S/40 ℃, and viscous modulus and modular ratio (viscoelastic ratio) are 1-8; The viscosity of B component is 5-16Pa.S/40 ℃; The viscosity of component C is 6-16Pa.S/40 ℃.Each component can be from any feasible technology of preparing, as long as it satisfies above-mentioned requirements.Preferably,
Component A can be isocyanic ester to the resin after the modification of vegetable fatty acid system synthetic Synolac, and the oil content of this Synolac is 50-75%.Realize that described fatty acid process raw material and part by weight thereof synthetic and isocyanate-modified process can comprise: vegetable fatty acids 10-30 part, polyvalent alcohol 5-25 part, polyprotonic acid 4-15 part and isocyanic ester 6-14 part, solvent 15-60 part also comprise catalyzer 0.02-0.15 part and end-capping reagent 0.1-0.5 part simultaneously.Vegetable fatty acids wherein is one or more dryness or semi-drying vegetable fatty acids preferably, especially wherein low colourimetric number vegetable fatty acids for example can be selected for use to comprise one or more mixed vegetable fatty acids in tower fatty acid oil, linolenic acid, dehydrated castor oil fatty acid, eleostearic acid and the soy(a)-bean oil fatty acid etc.Described polyvalent alcohol can be selected from ethylene glycol, neopentyl glycol, propylene glycol, glycol ether, triglycol, dipropylene glycol, tripropylene glycol, glycerine, tetramethylolmethane or TriMethylolPropane(TMP) etc. or their mixture.Described polyprotonic acid can be Tetra hydro Phthalic anhydride, m-phthalic acid, MALEIC ANHYDRIDE etc.Also comprise solvent in the synthesis material of component A, be generally pure ether solvent or straight-chain paraffin kind solvent, consider to select the propylene glycol kind solvent for use from environmental angle.
In the B component, a benzene Synolac can be through alcoholysis method or vegetable fatty acid system synthetic obtain between the benzene Synolac, its oil content is 50-75%, is preferably the product of alcoholysis method, and esterification adopts solvent method; And modification between the benzene Synolac can be to through alcoholysis method or vegetable fatty acid system synthetic obtain between resin after the modification of benzene Synolac, its oil content is 50-75%, is preferably fatty acid process, and esterification adopts solvent method; Wherein, properties-correcting agent comprises vegetables oil, Acrylic Acid Monomer and oligopolymer, polystyrene glycol, organosilicon, the acid anhydrides that contains unsaturated link(age) or the rosin etc. that contain conjugated double bond.The raw material and the part by weight thereof of benzene Synolac oil comprise between synthetic: vegetables oil 30-80 part, polyvalent alcohol 5-30 part and m-phthalic acid 10-40 part, catalyzer 0.01-0.05 part and solvent 1-10 part; The benzene Synolac comprises with raw material and weight ratio thereof between synthesis modification: vegetable fatty acids 20-70 part, polyvalent alcohol 10-30 part, m-phthalic acid 5-25 part, properties-correcting agent 1-25 part and solvent 1-20 part.Preferably, the properties-correcting agent that is used for esterification products (a benzene Synolac) modification is the acid anhydrides that contains unsaturated link(age), for example tetrahydrophthalic anhydride or MALEIC ANHYDRIDE or their mixture etc.Vegetables oil applicatory comprises one or more dryness or semi-drying vegetables oil in the esterification process, for example siritch, soya-bean oil, tung oil or dehydrated castor wet goods; The vegetable fatty acids that is used for benzene Synolac between synthesis modification comprises one or more dryness or semi-drying vegetable fatty acids, for example can be selected from eleostearic acid, dehydrated castor oleic acid, vegetable seed oleic acid, behenic acid, oleic acid, linolenic acid and the tower fatty acid oil etc. at least a.Described polyvalent alcohol then is selected from ethylene glycol, neopentyl glycol, propylene glycol, glycol ether, triglycol, dipropylene glycol, tripropylene glycol, glycerine, tetramethylolmethane or TriMethylolPropane(TMP) etc. or their mixture.
Component C in this low-melting ink vehicle preferably includes the composition of two vegetable oil resin modified phenol resin oil, promptly comprises the combination of the rosin phenolic resin oil that plant oil modified pure phenolic resin is oily and plant oil modified, and its component ratio is 1:5-5:1.Preferably, vegetables oil is a dry vegetable oil, for example comprises siritch, tung oil or dehydrated castor wet goods.
Said components promptly becomes the low-melting ink vehicle that satisfies needs of the present invention and the preparation that is used for printing ink after mixing according to predetermined proportion.
The concrete preparation method of three kinds of components is described below for example:
Component A's is synthetic: vegetable fatty acids, polyvalent alcohol, polyprotonic acid (with the dielectric solvent of necessity) are added in the reactor; esterification takes place under the protection of rare gas element (for example nitrogen, carbon dioxide etc.); after the acid number for the treatment of esterification products reaches 2-6mgKOH/g; control material system temperature is that 60 ℃-120 ℃ the interior adding of scope isocyanic ester enforcement modified-reaction to viscous modulus and modular ratio is 1-8, obtains component A.
Above-mentioned isocyanate-modified reaction need add catalyzer usually, modified catalyst is for helping the custom catalysts of organic isocyanate reaction, for example, can be selected from dibutyl tin laurate, cobalt naphthenate, cobalt octoate, organic phosphine and the tetravalent tin class one or more, additional proportion is 0.02-0.15 part; The organic isocyanate that is used for modification can be selected from TDI (tolylene diisocyanate), MDI (diphenylmethanediisocyanate), PAPI (poly methylene poly phenyl poly isocyanate), HDI (hexamethylene-diisocyanate), XDI (xylylene diisocyanate), HMDI (dicyclohexyl methane diisocyanate), IPDI (isophorone diisocyanate), TMDI (trimethyl cyclohexane vulcabond) or HTDI (hexahydrotoluene vulcabond) etc.
The front that requires of each reactant and process control illustrates.For the index of guaranteeing modified product meets the requirements, preferably, add isocyanate-modified viscous modulus and Young's modulus ratio and reach about 1-6 to product, add the end-capping reagent END CAPPED GROUP, after insulation reaction 1-3 hour, extremely up to standard again with solvent adjustment.Wherein end-capping reagent can be selected from a kind of in methyl alcohol, ethanol, n-propyl alcohol and the propyl carbinol etc.
Synthesizing of B component: vegetables oil 30-80 part and polyvalent alcohol 5-30 part are added in the reactor, transesterification reaction takes place under the protection of rare gas element (for example nitrogen, carbon dioxide etc.), alcoholysis product adds m-phthalic acid 10-40 part and catalyzer 0.01-0.05 part (with the dielectric solvent of necessity), is incubated esterification down at 200 ℃-250 ℃ and obtains a benzene Synolac; Perhaps benzene Synolac between the modification of synthetic in accordance with the following methods B component: vegetable fatty acids 20-70 part, polyvalent alcohol 10-30 part and m-phthalic acid 5-25 part (with the dielectric solvent of necessity) are added in the reactor; under the protection of rare gas element (for example nitrogen, carbon dioxide etc.); esterification takes place down at 200 ℃-250 ℃; add properties-correcting agent 1-25 part in the esterification products; under 140 ℃-180 ℃, carry out addition reaction to product and meet the demands, obtain product with 1-20 part solvent adjustment.
The catalyzer that adds in the transesterification reaction of benzene Synolac and the esterification between above-mentioned synthesizing is general catalyzer, comprises in the metal oxides such as dibutyl tin laurate, cobalt naphthenate, cobalt octoate, lithium hydroxide, potassium hydroxide and zinc oxide one or more.
Component C's is synthetic: vegetables oil and resol (for example pure phenolic resin and/or rosin modified phenolic resin) are joined in the reactor, reacted 1-5 hour down at 160 ℃-230 ℃, adjust to the viscosity of requirement with thinner and/or conditioning agent, wherein, thinner is the mixture of pure straight-chain paraffin or straight-chain paraffin and high-boiling point kerosene, and conditioning agent is dry vegetable oil or semi-drying vegetables oil.The part by weight of raw material is vegetables oil 30-60 part, resol (pure phenolic resin and/or rosin modified phenolic resin) 25-50 part, thinner 0-35 part, conditioning agent 0-35 part.Because used vegetables oil in this reaction raw materials, conditioning agent is the selectivity composition, can use vegetables oil identical or inequality.
Another key feature of the present invention is to have adopted Nano filling, comprises nano silicone hydrochlorate, nanometer grade silica, nano-scale carbon hydrochlorate, nano level vitriol, nano SiC/Si
3N
4In one or more.Concrete example is aerosil, nano-calcium carbonate, nano barium sulfate, nano SiC/Si for example
3N
4And matrix material etc., given printing ink jointly at the good characteristic aspect printability, printing color and luster, anti-materialization and the ink stability with low-melting ink vehicle.
Also can comprise siccative in the printing ink of the present invention, siccative is preferably one or more organic acid metal-salts of light colour, as saturated acid zirconium, cobalt, manganese or the calcium salt of naphthenic acid, sad, isocaprylic acid etc., or the rare earth siccative etc.; Can be selected from carnauba wax general in the engraving intaglio printing ink, paraffin, Microcrystalline Wax, the synthetic wax etc. one or more as the wax of one of auxiliary agent; Tensio-active agent can be selected from one or more in anion surfactant and the nonionogenic tenside, as alkylaryl sulphonate class, polyether phosphate salt, polypropylene glycol, polyethenoxy ether class etc.; Directing agent is one or both in the organic and inorganic directing agent, as acetic acid butyl cellulose class.The solvent of allotment printing ink can be the mixture of straight-chain paraffin kind solvent and pure ether solvent; These all can adopt raw material commonly used in the present industry, that is, can prepare voluntarily, and are also commercially available.The metallic pigment that the present invention mentions comprise precious metal or its alloys such as gold and silver." effect pigment (effect pigments) " that the present invention mentions can be regarded as the pigment that produces optical effect based on reflected light, it comprises the transparency, translucency or opacity flat substrates, have the material of high-reflectivity as metal, metal oxide, nonmetal oxide, silicate material (as mica, kaolin, glass, borosilicate etc.) or other, on base material, undertaken one or more layers and coat resulting pigment by metal, metal oxide, nonmetal oxide etc.The printing ink of being produced as metallic appearance (or claiming effect) pigment, pearly pigment, liquid crystal effects pigment etc. all is called effect inks.Metallic appearance (or claiming effect) pigment can comprise aluminium, copper, zinc or its alloy, also can be modified pigment, carries out the pigment of surface treatment (coating) as the metallic surface.
Water-scraped without set-off intaglio ink provided by the invention comprises corresponding common engraving intaglio printing ink, metal ink, effect (effect) printing ink and anti-forgery ink etc., and this moment, described pigment can be one or more the combination in common pigments (organic and inorganic pigment), metallic pigment, effect pigment or the security pigment (pigment that for example has characteristics such as infrared, ultraviolet, fluorescence, temperature change, magnetic).Preferably, by screening the low-melting ink vehicle composition that relevant auxiliary agent cooperates the present invention's record, printing ink of the present invention can be the low acid number printing ink of 10-28mgKOH/g for acid number, for example water-scouring contamination-proofing carved gravure metal ink, water-scouring contamination-proofing carved gravure metallic appearance printing ink etc.Printing ink provided by the invention also can be the composition of at least two kinds of printing ink in common engraving intaglio printing ink, metal ink, effect (effect) printing ink and the anti-forgery ink, be called special-effect printing ink, because the texture of printing or the improvement of optical effect have improved false proof effect.Auxiliary agents such as the pigment that all kinds of printing ink of preparation the present invention adopt, filler are all commercially available or according to the known technology self-control and obtain.
The preparation process of water-scraped without set-off intaglio ink of the present invention comprises common water-scraped without set-off intaglio ink preparation method, also comprises:
Component A, B, C be mixed in proportion make the low-melting ink vehicle composition;
Low-melting ink vehicle composition, wax, tensio-active agent, directing agent, adhesion promoter and Nano filling are docile and obedient the preface weighing mix, and stir implement pre-dispersed after, be rolled into base oil; In base oil, add pigment and siccative and solvent then, make the printing ink finished product.
Particularly, the manufacturing process of water-scraped without set-off intaglio ink of the present invention can be finished by two kinds of technologies.Conventional engraving intaglio printing ink and carved gravure anti-fake printing ink can adopt common printing ink rolling technology to finish; Carved gravure metal ink, carved gravure effect inks can be finished by two-step approach: at first low-melting ink vehicle, part of auxiliary (wax, tensio-active agent, directing agent, adhesion promoter) and Nano filling are docile and obedient the preface weighing, add in the homogenizer, carried out pre-dispersed in stir about 20-40 minute, this process begins should stir at a slow speed 10-20 minute, after treating that the solid material is wetting, speed-raising was stirred 10-20 minute again, and to reach pre-dispersed purpose, material is promptly made base oil rolling again twice; In base oil, add pigment and all the other part of auxiliary (siccative and solvent) then, carry out the about 15-30 of stirring at low speed minute after, open bung, printing ink on the bucket wall is scraped in the bucket, continue to stir after 10-20 minute, move in another bucket, it is fully wetting that not wetting pigment is carried out.Speed-raising was stirred after 5-20 minute again, and sampling detects.According to circumstances, add corresponding additive, be stirred well to evenly, till the adjustment index is qualified.
The specific targets of printing ink are as follows:
Dryness: 3-12 minute/80 ℃
Viscosity: 4-16Pa.S/40 ℃
Viscous modulus and modular ratio: 0.5-3.
For the pigment that requires low acid number, for example the corresponding printing ink index of preparation such as metallic pigment, metallic effect pigments also preferably includes acid number: 10-28mgKOH/g.
In a word, the low by reference acid number low-melting ink vehicle composition of the present invention and corresponding filler and auxiliary agent, the water-scraped without set-off intaglio ink that obtains has excellent comprehensive performances, mainly shows following several respects:
1, good, the nondiscoloration of ink storage stability;
2, satisfy the requirement of high speed carved gravure machine typography, printability is good;
3, the cleaning of printing ink can satisfy the requirement that present carved gravure machine is wiped the version liquid formula;
Wiping the version liquid formula is: sodium hydroxide 0.4-1.2%
Alizarin assistant 0.2-0.7%
The soft water surplus
4, volatile organic content and harmful heavy metal content meet the national environmental standard requirement in the printing ink;
5, the worker artistic skill of printing ink satisfies and to comprise the requirement that metallic pigment, effect pigment etc. have the special light gloss pigments;
6, visual through scraping sample, the printing optical effect is good;
7, printing figure line reproducibility is good, through microscopic examination, and svelteness, full;
8, anti-materialization meets the standard of issuing of going;
9, has good bonding force between printing ink and stock;
10, the adaptable version line degree of depth is 25 μ m-100 μ m.
Embodiment
Further specify enforcement of the present invention and the characteristics and the beneficial effect that are produced below in conjunction with specific embodiments, but only be used to help the reader better to understand the present invention, can not be as qualification to the scope of the present invention.Among the present invention related umber or per-cent unless otherwise indicated outside, all be interpreted as weight part or weight percent.
The preparation of low-melting ink vehicle component A
Embodiment A 1
With 10.1 parts tower fatty acid oils, 6.8 parts linolenic acid, 7.8 parts glycerine, 3.4 parts tetramethylolmethane, 5.7 parts Tetra hydro Phthalic anhydride and an amount of dimethylbenzene; under protection of nitrogen gas, be warming up to 200 ℃; the insulation esterification; measure the acid number of system in the reaction process; cooling when acid number reaches 4; obtain adjacent benzene Synolac, its oil content is 55%.Get totally 32 parts of above-mentioned resins, add 45 parts of dodecane hydrocarbon solvents, 10 parts of dipropylene glycol dme solvents are warming up to about 80 ℃, drip 7 parts of tolylene diisocyanates (TDI) insulations after 2 hours to the viscoelastic ratio be 4, add 0.05 part dibutyl tin laurate and 0.5 part methyl alcohol, be incubated after 1 hour, adjusting product to viscosity with the solvent of about 4-5 part is 12Pa.S/40 ℃, and the viscoelastic ratio is 6.Promptly obtain low-melting ink vehicle component A1.
Embodiment A 2-A11
The preparation method is identical with embodiment 1, and reaction mass and usage ratio are as shown in table 1.
Table 1
| Numbering | A2 | A3 | A4 | A5 | A6 | A7 | A8 | A9 | A10 | A11 |
| Tetra hydro Phthalic anhydride | 10 | 5 | 7 | 15 | 8 | |||||
| M-phthalic acid | 12 | 5 | 9 | |||||||
| MALEIC ANHYDRIDE | 14 | 5 | ||||||||
| Tetramethylolmethane | 12. | 7 | 4 | 8 | 9 | 5 | 4 | |||
| Glycerine | 9 | 2 | 5 | 17 | 10 | 5 | ||||
| TriMethylolPropane(TMP) | 10 | 5 | 3 | 14 | 11 | |||||
| Glycol ether | 15 | 20 | ||||||||
| Linolenic acid | 15 | 10 | 15 | 28 | ||||||
| Behenic acid | 10 | 20 | 16 | 10 | 25 | 23 | ||||
| Dehydrated castor acid | 5 | 15 | 13 | 6 | ||||||
| The tower fatty acid oil | 8 | 7 | ||||||||
| Eleostearic acid | 15 | 5 | ||||||||
| TDI | 8 | 11 | 9 | 3 | 7 | |||||
| HDI | 7 | 5 | 12 | |||||||
| IPDI | 7 | 12 | 13 | |||||||
| Tridecane | 49.72 | 44.64 | ||||||||
| Dodecane | 30.9 | 30 | 25 | 40 | 22.5 | 25.65 | ||||
| Undecane | 34.35 | 25.07 | ||||||||
| The dipropylene glycol dme | 6.00 | 3.2 | 2 | 6.4 | 14 | 15 | ||||
| Diethylene glycol dimethyl ether | 4.7 | 2.6 | 3.5 | 5.75 | ||||||
| Methyl alcohol | 0.3 | 0.2 | 0.4 | 0.40 | 0.1 | 0.5 | 0.4 | |||
| Ethanol | 0.30 | 0.1 | 0.2 | 0.30 | ||||||
| Dibutyl tin laurate | 0.1 | 0.08 | 0.1 | 0.05 |
| Cobalt naphthenate | 0.1 | 0.03 | ||||||||
| Organic phosphine | 0.05 | 0.1 | ||||||||
| The tetravalent tin class | 0.15 | 0.06 | ||||||||
| Add up to | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| The oil content of Synolac (%) | 50.7 | 60.7 | 59.3 | 50.4 | 50.1 | 51.3 | 74.1 | 50.5 | 61.7 | 61.4 |
| Viscosity Pa.S/40 ℃ | 6.2 | 4.5 | 8.6 | 12.3 | 15.8 | 7.1 | 15.1 | 3.2 | 9.6 | 13.5 |
| The viscoelastic ratio | 7.8 | 7.3 | 4.8 | 5.3 | 2.3 | 7.2 | 3.2 | 8 | 6.9 | 4.2 |
The preparation of low-melting ink vehicle B component
Embodiment B 1
Tung oil with 30 parts; 25 portions of siritches; 10 parts of glycerine; 4 parts of tetramethylolmethanes add in the reactor; when temperature to 160 ℃, add 0.05 part of catalyzer lithium hydroxide; under protection of nitrogen gas in 240 ℃ transesterification reaction takes place; detect the qualified (reaction product: during 95% ethanol=1:5 of alcoholysis; solution is as clear as crystal) back 25 parts of the m-phthalic acids that add; 0.02 part on catalyst oxidation zinc and an amount of hexone dielectric solvent; be incubated esterification to acid number down at 230 ℃ and reach 15 o'clock stopped reaction; with dodecane hydrocarbon solvent (about 6 parts) regulate viscosity to 6.2Pa.S/40 ℃ between benzene Synolac B1, oil content is 62%.
Embodiment B 2-B7
The preparation method is identical with Embodiment B 1, and reaction mass and usage ratio are as shown in table 2.
Table 2
| Numbering | B2 | B3 | B4 | B5 | B6 | B7 |
| M-phthalic acid | 15 | 26 | 11 | 31 | 21 | 17 |
| Tetramethylolmethane | 7 | 7 | 6 | 8 | ||
| Glycerine | 3 | 12 | 8 | 10 | ||
| TriMethylolPropane(TMP) | 13 | 2 | 5 | 5 | ||
| Siritch | 67 | 52 | 15 | 45 | ||
| Soya-bean oil | 30 | |||||
| Synourin oil | 40 | 39 | ||||
| Tung oil | 40 | 15 | ||||
| Lithium hydroxide | 0.03 | 0.01 | 0.02 | 0.02 | ||
| Zinc oxide | 0.02 | 0.03 | ||||
| The only methyl ether of dipropylene glycol | 4.97 | 2.98 | 1 | |||
| The only ether of Diethylene Glycol | 3.98 | 7.98 | ||||
| Dodecane | 3 | 9.99 | 8.97 | |||
| Tridecane | 5 | 2 | ||||
| Add up to | 100 | 100 | 100 | 100 | 100 | 100 |
| Synolac oil content (%) | 75 | 50 | 74.2 | 57.6 | 63.2 | 69.5 |
| Viscosity Pa.S/40 ℃ | 5.3 | 6.9 | 8.2 | 9.1 | 14.1 | 12.1 |
Embodiment B 8
20 parts of behenic acids, 20 parts of linolenic acids, 20 parts of TriMethylolPropane(TMP)s, 20 parts of m-phthalic acids, 0.03 part of dibutyltin dilaurate catalyst and an amount of hexone dielectric solvent are added in the reactor; under protection of nitrogen gas; after 210 ℃ the generation esterification gets esterification products (oil content is 57%) down; add after 15 parts of MALEIC ANHYDRIDE carry out addition reaction in 180 ℃, by add the only methyl ether of dipropylene glycol (about 5 parts) regulate viscosity to 13.6Pa.S/40 ℃ benzene Synolac B8 between modification.
Embodiment B 9-B15
According to the method synthetic B9-B15 same with Embodiment B 8, reaction mass and consumption are as shown in table 3.
Table 3
| Numbering | B9 | B10 | B11 | B12 | B13 | B14 | B15 |
| M-phthalic acid | 18 | 25 | 10 | 17 | 8 | 20 | 14 |
| Tetramethylolmethane | 10 | 18 | |||||
| Glycerine | 25 | 15 | |||||
| TriMethylolPropane(TMP) | 19 | 5 | 20 | 2 | 14 | ||
| Linolenic acid | 15 | 18 | 32 | 30 | 13 | ||
| Behenic acid | 16 | 19 | 10 | 5 | |||
| Dehydrated castor oleic acid | 30 | 21 | 48 | 17 | |||
| MALEIC ANHYDRIDE | 9 | 12 | 10 | 12 | |||
| Tetrahydrophthalic anhydride | 18 | 17 | 23 | ||||
| The only methyl ether of dipropylene glycol | 3 | 6 | 7 | ||||
| The only ether of Diethylene Glycol | 6 | ||||||
| 1-Methoxy-2-propyl acetate | 3 | 5 | |||||
| Dodecane | 5 | 2 | |||||
| Tridecane | 8 | 10 | 11 | 19 | |||
| Add up to | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Synolac oil content (%) | 60.4 | 51.2 | 60.3 | 54.1 | 69.4 | 53.5 | 56.6 |
| Viscosity Pa.S/40 ℃ | 13.2 | 15.5 | 12.5 | 7.9 | 9.4 | 8.0 | 10..3 |
The preparation of low-melting ink vehicle component C
Embodiment C 1
Siritch modification pure phenolic resin oil: the pure phenolic resin of 50 parts siritches and 30 parts mixed heats up 200 ℃, react about 2 hours after, add 20 parts of dodecane hydrocarbon solvents, system viscosity reaches 11.2Pa.s/40 ℃ and promptly gets product C 1.
Embodiment C 2
Tung oil-modified rosin phenolic resin oil: the rosin modified phenolic resin of 30 parts tung oil and 45 parts is mixed being warming up to 200 ℃ earlier, react about 1 hour after, adds 25 parts tung oil, adjustment viscosity is that 8.0Pa.s/40 ℃ of cooling gets.
Embodiment C 3-C9
Component C3-C9 is according to preparing with quadrat method, and its raw material and ratio are as shown in table 4.
Table 4
| Numbering | C3 | C4 | C5 | C6 | C7 | C8 | C9 |
| Tung oil | 50 | 40 | 20 | ||||
| Oleum lini | 20 | 30 | 60 | 10 | |||
| Synourin oil | 20 | 57 | |||||
| Soya-bean oil | 20 | 15 | |||||
| Pure phenolic resin | 40 | 30 | 35 | 25 | |||
| Rosin modified phenolic resin | 40 | 30 | 35 | 15 | |||
| The 270-320 alkane solvent | 10 | 5 | 8 | ||||
| Tridecane | 10 | ||||||
| Dodecane | 10 | 5 | |||||
| Undecane | 20 | ||||||
| The siritch conditioning agent | 15 | ||||||
| The tung oil conditioning agent | 25 | ||||||
| Add up to | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Viscosity Pa.S/40 ℃ | 10.3 | 11.6 | 9.5 | 10.9 | 6.7 | 11.7 | 9.1 |
The embodiment of water-scraped without set-off intaglio ink base oil
Base oil embodiment 1
According to the prescription weighing and the stirring of table 5, the low-melting ink vehicle that component A1, B3 and C1, C2 form prepares according to corresponding embodiment described method, stirs at a slow speed 10-20 minute earlier, after treating that solid part is wetting, high-speed stirring 10-20 minute again, then, on three-roll grinder, make base oil 1 rolling twice.
Table 5 base oil 1 prescription
| Title material | Consumption (%) |
| A1 | 35.6 |
| B3 | 23.8 |
| C1 | 10.1 |
| C2 | 6.1 |
| Polyethylene wax | 9.8 |
| Dodecylbenzene sulfonate | 3.2 |
| Acetic acid butyl cellulose class directing agent | 1 |
| Aerosil | 10.4 |
Note: the acid number of above-mentioned low-melting ink vehicle composition is 26.3mgKOH/g; Viscosity is 7.5Pa.S/40 ℃
Base oil embodiment 2
According to the prescription weighing and the stirring of table 6, the low-melting ink vehicle that component A5, B10 and C2, C3 form prepares according to respective embodiments, and preparation technology is with base oil 1.
Table 6 base oil 2 prescriptions
| Title material | Consumption (%) |
| A5 | 45.2 |
| B10 | 3.1 |
| C2 | 10 |
| C3 | 5.8 |
| Nano-calcium carbonate | 26.4 |
| The polyethylene compound wax | 4.9 |
| Carnauba wax | 1.0 |
| The alkylphenol polyoxyethylene class | 3.6 |
Note: the acid number of above-mentioned low-melting ink vehicle composition is 19mgKOH/g; Viscosity is 7.4Pa.S/40 ℃.
Base oil embodiment 3
According to the prescription weighing and the stirring of table 7, the low-melting ink vehicle that component A9, B5, B15 and C7, C8 form prepares according to respective embodiments, and preparation technology is with base oil 1.
Table 7 base oil 3 prescriptions
| Title material | Consumption (%) |
| A9 | 25.5 |
| B5 | 10.1 |
| B15 | 5.0 |
| C7 | 13.2 |
| C8 | 13 |
| Nanometer grade calcium carbonate | 7 |
| Nano level barium sulfate | 2 |
| Microcrystalline Wax | 8.7 |
| Polyether phosphate salt | 2.5 |
| Acetic acid propyl cellulose class directing agent | 4 |
| Silica nano material | 9 |
Note: the acid number of above-mentioned low-melting ink vehicle composition is 27.8mgKOH/g; Viscosity is 4.7Pa.S/40 ℃.
Base oil embodiment 4
According to the prescription weighing and the stirring of table 8, component A7, B3, B11 and C7, C8 low-melting ink vehicle prepare according to respective embodiments, and preparation technology is with base oil 1.
Table 8 base oil 4 prescriptions
| Title material | Consumption (%) |
| A7 | 24.5 |
| B3 | 14.1 |
| B11 | 11.0 |
| C7 | 13.2 |
| C8 | 9.3 |
| Polyethylene wax | 8.7 |
| Polyether phosphate salt | 4.0 |
| Dodecylbenzene sulfonate | 3.2 |
| Silica nano material | 12 |
Note: the acid number of above-mentioned low-melting ink vehicle composition is 29.8mgKOH/g; Viscosity is 6.2Pa.S/40 ℃.
The embodiment of water-scraped without set-off intaglio ink
Below siccative in each Example formulations: composite drying agent and zirconium iso-octoate, solvent is: positive structure dodecane and the only methyl ether of dipropylene glycol (or the only ether of Diethylene Glycol) mixture.
Printing ink embodiment 1: the preparation of metal ink
Take by weighing the base oil and the metallic pigment of formula ratio, base oil is No. 2, a base oil among the above-mentioned base oil embodiment 2.With about 20 minutes of the mixture stirring at low speed of base oil and metallic pigment, fully wetting after, move in another bucket, high-speed stirring is 15 minutes again.Sampling detects, till the adding conditioning agent adjustment China ink and the system that is stirred well to are even.The prescription of metal ink is as shown in table 9.
The representative formula of table 9. metal ink
Metallic pigment comprise one or more in the precious metal powders such as bronze, silver powder and alloy of commercially available or homemade median size≤30 μ m.The acid number of this metal ink is 22.3mgKOH/g.
After tested, the stability in storage of this printing ink, all good with the anti-physical and chemical performances such as color stability of the bonding force of stock and printing.
Printing ink embodiment 2: the preparation of pearl ink
Take by weighing the base oil and the pearly pigment of formula ratio, base oil is any base oil among the above-mentioned base oil embodiment.The same metal ink of the preparation method of printing ink.Ink formulations is as shown in table 10.
The representative formula of table 10 pearl ink
Pearly pigment is the pearlescence of size distribution in the 5-60 mu m range.Pearly pigment as the production of companies such as Merck KGaA, U.S. An Ge.
Printing ink embodiment 3: the preparation of carved gravure effect inks
Take by weighing the base oil and the effect pigment of formula ratio, base oil is No. 1, a base oil among the base oil embodiment 1.The same metal ink of printing ink preparation method.Ink formulations is as shown in table 11.
The representative formula of table 11 effect inks
Effect pigment is the effect pigment of size distribution in the 5-60 mu m range.Various effect pigments as the production of companies such as Merck KGaA, U.S. An Ge.The acid number of this effect inks is 27.6mgKOH/g.
After tested, the stability in storage of this printing ink, all good with the anti-physical and chemical performances such as color stability of the bonding force of stock and printing.
Printing ink embodiment 4: the preparation of engraving intaglio printing ink
Take by weighing the base oil and the pigment dyestuff of formula ratio, base oil is any base oil among the above-mentioned base oil embodiment.The same metal ink of printing ink preparation method.Ink formulations (this printing ink is the ortho-water scraped without set-off intaglio ink) as shown in table 12.
The prescription of table 12 engraving intaglio printing ink
Printing ink embodiment 5: the preparation of metallic appearance printing ink
Take by weighing the base oil and the metallic effect pigments of formula ratio, base oil is No. 4 compositions of base oil among the embodiment 4.The same metal ink of preparation method.Ink formulations is as shown in table 13.
The prescription of table 13 carved gravure metallic appearance printing ink
Metallic pigment comprise commercially available or homemade median size≤30 μ m without surface-treated or in surface-treated copper powder, zinc powder and metal powders such as aluminium powder and alloy one or more.Being purchased can be from for example: the product that companies such as ECKART, German Shu Lunke, Britain's Wolstenholme produce.The acid number of this metallic appearance printing ink is 27.4mgKOH/g.
After tested, the stability in storage of this printing ink, all good with the anti-physical and chemical performances such as color stability of the bonding force of stock and printing.
Printing ink embodiment 6: the preparation of carved gravure anti-fake printing ink
Take by weighing the base oil of formula ratio and anti-fake material, pigment dyestuff, base oil is any base oil composition among the embodiment.The same metal ink of preparation method.Ink formulations is as shown in table 14.
The prescription of table 14 carved gravure anti-fake printing ink
Anti-fake material is luminous pigment, thermo pigment or magneticsubstance etc.
Printing ink embodiment 7: the preparation of carved gravure special-effect printing ink
Take by weighing the base oil of formula ratio and effect pigment, pigment dyestuff, base oil is any base oil composition among the embodiment.The same metal ink of preparation method.Ink formulations is as shown in Table 15.
The prescription of table 15 carved gravure special-effect printing ink
Wherein, effect pigment comprises the composition of at least two kinds of effect pigments, the composition of this example metallic effect pigments and pearly pigment.The acid number of this metallic appearance printing ink is 26.8mgKOH/g.After tested, the stability in storage of this printing ink, all good with the anti-physical and chemical performances such as color stability of the bonding force of stock and printing.
The water-scraped without set-off intaglio ink that above embodiment prepares all has good shelf stability and printability; By scraping the visual comparison of sample, its printing color stability is good, and the printing optical effect is better than present engraving intaglio printing ink system; And have good bonding force between printing ink and stock, printing all shows good result washable, anti-rub etc. aspect the anti-materialization.
Claims (20)
1. water-scraped without set-off intaglio ink, its prescription is: low-melting ink vehicle 20-70%, pigment 8-50%, solvent 1-8%, Nano filling 2-28%, siccative 0-3%, wax 2-12%, tensio-active agent 1-7%, directing agent 0-8%, adhesion promoter 0-5%; Wherein, the described low-melting ink vehicle composition that following three kinds of components are formed of serving as reasons, and its acid number is 10-30mgKOH/g, viscosity is 4-16Pa.S/40 ℃, the weight ratio of each component is all based on the gross weight of low-melting ink vehicle composition:
Component A: isocyanate-modified Synolac, its weight ratio are 10-70%;
B component: a benzene Synolac and/or anhydride modified between the benzene Synolac, its weight ratio is 5-40%;
Component C: at least a plant oil modified resol oil, its weight ratio is 10-70%.
2. water-scraped without set-off intaglio ink according to claim 1, in the described low-melting ink vehicle composition, the viscosity of component A is 3-16Pa.S/40 ℃, viscous modulus and modular ratio are 1-8; The viscosity of B component is 5-16Pa.S/40 ℃; The viscosity of component C is 6-16Pa.S/40 ℃.
3. water-scraped without set-off intaglio ink according to claim 1 and 2, wherein, component A be isocyanic ester to the resin after the modification of vegetable fatty acid system synthetic Synolac, the oil content of this Synolac is 50-75%.
4. water-scraped without set-off intaglio ink according to claim 3, wherein, described vegetable fatty acids comprises one or more dryness or semi-drying vegetable fatty acids.
5. water-scraped without set-off intaglio ink according to claim 3, wherein, the raw material of described synthetic component A and part by weight thereof comprise: vegetable fatty acids 10-30 part, polyvalent alcohol 5-25 part, polyprotonic acid 4-15 part, isocyanic ester 6-14 part, solvent 15-60 part, catalyzer 0.02-0.15 part and end-capping reagent 0.1-0.5 part.
6. water-scraped without set-off intaglio ink according to claim 1 and 2, wherein, in the B component, a benzene Synolac is through alcoholysis method or the vegetable fatty acid system is synthetic obtains, and the oil content of described benzene Synolac is 50-75%; And modification between the benzene Synolac for to through alcoholysis method or vegetable fatty acid system synthetic obtain between resin after the modification of benzene Synolac; Properties-correcting agent comprises vegetables oil, Acrylic Acid Monomer and oligopolymer, polystyrene glycol, organosilicon, the acid anhydrides that contains unsaturated link(age) or the rosin that contains conjugated double bond, and the oil content of benzene Synolac is 50-75% between described modification.
7. water-scraped without set-off intaglio ink according to claim 6, wherein, the raw material and the part by weight thereof of benzene Synolac comprise between synthetic: vegetables oil 30-80 part, polyvalent alcohol 5-30 part and m-phthalic acid 10-40 part, catalyzer 0.01-0.05 part and solvent 1-10 part; The benzene Synolac comprises with raw material and weight ratio thereof between synthesis modification: vegetable fatty acids 20-70 part, polyvalent alcohol 10-30 part, m-phthalic acid 5-25 part, properties-correcting agent 1-25 part and solvent 1-20 part.
8. water-scraped without set-off intaglio ink according to claim 7, wherein, described vegetables oil comprises one or more dryness or semi-drying vegetables oil; Described vegetable fatty acids then comprises one or more dryness or semi-drying vegetable fatty acids.
9. water-scraped without set-off intaglio ink according to claim 1 and 2, wherein, component C comprises the combination of the rosin phenolic resin oil that plant oil modified pure phenolic resin is oily and plant oil modified, its component ratio is 1:5-5:1.
10. water-scraped without set-off intaglio ink according to claim 9, wherein, described vegetables oil is one or more dry vegetable oils or semi-drying vegetables oil.
11. water-scraped without set-off intaglio ink according to claim 1, wherein, described Nano filling comprises: nano silicone hydrochlorate, nanometer grade silica, nano-scale carbon hydrochlorate, nano level vitriol, nano SiC/Si
3N
4In one or more.
12. water-scraped without set-off intaglio ink according to claim 1, wherein, siccative is one or more organic acid metal-salts of light colour.
13. water-scraped without set-off intaglio ink according to claim 1, wherein, described tensio-active agent comprises one or more in anion surfactant and the nonionogenic tenside.
14. water-scraped without set-off intaglio ink according to claim 1, described pigment comprise one or more the combination in pigment dyestuff, mineral dye, metallic pigment, effect pigment and the security pigment.
15. according to claim 1 or each described water-scraped without set-off intaglio ink of 11-14, the acid number of described printing ink is 10-28mgKOH/g.
16. water-scraped without set-off intaglio ink according to claim 15, this printing ink comprise water-scouring contamination-proofing carved gravure metal ink, water-scouring contamination-proofing carved gravure effect inks or water-scouring contamination-proofing carved gravure anti-fake printing ink.
17. water-scraped without set-off intaglio ink according to claim 15 also comprises the composition of at least two kinds of printing ink in water-scouring contamination-proofing carved gravure metal ink, water-scouring contamination-proofing carved gravure effect inks and the water-scouring contamination-proofing carved gravure anti-fake printing ink.
18. prepare the method for each described water-scraped without set-off intaglio ink of claim 1-17, comprise the method that recipe ingredient is prepared into water-scraped without set-off intaglio ink according to ordinary method.
19. preparation method according to claim 18, it also comprises:
Component A, B, C be mixed in proportion make the low-melting ink vehicle composition;
Low-melting ink vehicle composition, wax, tensio-active agent, directing agent, adhesion promoter and Nano filling are docile and obedient the preface weighing mix, and stir implement pre-dispersed after, be rolled into base oil; In base oil, add pigment and siccative and solvent then, make the printing ink finished product.
20. according to claim 18 or 19 described preparation methods, it comprises synthetic respectively in accordance with the following methods component A, B and C, and it is made the low-melting ink vehicle composition in proportion:
Component A's is synthetic: with vegetable fatty acids, polyvalent alcohol, polyprotonic acid adds in the reactor, esterification takes place under the protection of rare gas element, after the acid number for the treatment of esterification products reaches 2-6mgKOH/g, control material system temperature is that 60 ℃-120 ℃ the interior adding of scope isocyanic ester enforcement modified-reaction to viscous modulus and modular ratio is 1-8, obtain component A, the raw materials used part by weight of this building-up process is: vegetable fatty acids 10-30 part, polyvalent alcohol 5-25 part, polyprotonic acid 4-15 part, isocyanic ester 6-14 part, solvent 15-60 part also comprises catalyzer 0.02-0.15 part and end-capping reagent 0.1-0.5 part simultaneously;
Synthesizing of B component: vegetables oil 30-80 part and polyvalent alcohol 5-30 part are added in the reactor, transesterification reaction takes place under the protection of rare gas element, add m-phthalic acid 10-40 part and catalyzer 0.01-0.05 part in the alcoholysis product, 200 ℃-250 ℃ insulation esterifications down; Perhaps benzene Synolac between the modification of synthetic in accordance with the following methods B component: vegetable fatty acids 20-70 part, polyvalent alcohol 10-30 part and m-phthalic acid 5-25 part are added in the reactor, under the protection of rare gas element, esterification takes place down at 200 ℃-250 ℃, add properties-correcting agent 1-25 part in the esterification products, under 140 ℃-180 ℃, carry out addition reaction, obtain product with 1-20 part solvent adjustment;
Component C's is synthetic: vegetables oil and resol are joined in the reactor, reacted 1-5 hour down at 160 ℃-230 ℃, adjust to the viscosity of requirement with thinner or conditioning agent, wherein, thinner is the mixture of pure straight-chain paraffin or straight-chain paraffin and high-boiling point kerosene, conditioning agent is dryness or semi-drying vegetables oil, and the part by weight of raw material is that vegetables oil 30-60 part, resol 25-50 part, thinner are that 0-35 part, conditioning agent are 0-35 part.
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| CN104231748A (en) * | 2013-06-07 | 2014-12-24 | 中国人民银行印制科学技术研究所 | Carving gravure ink and preparation method and safety product thereof |
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Assignee: SECURITY PRINTING INSTITUTE OF PEOPLE'S BANK OF CHINA Assignor: CHINA BANKNOTE PRINTING AND MINTING Corp. Contract record no.: 2011110000103 Denomination of invention: Water-scraped without set-off intaglio ink Granted publication date: 20101222 License type: Exclusive License Open date: 20090211 Record date: 20110714 |
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