CN104742491B - A kind of method that inkjet printing prepares anhydrous offset plate - Google Patents
A kind of method that inkjet printing prepares anhydrous offset plate Download PDFInfo
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- CN104742491B CN104742491B CN201510181609.8A CN201510181609A CN104742491B CN 104742491 B CN104742491 B CN 104742491B CN 201510181609 A CN201510181609 A CN 201510181609A CN 104742491 B CN104742491 B CN 104742491B
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Abstract
The present invention relates to a kind of method that utilization inkjet technology prepares anhydrous offset plate.The method comprises the following steps:Inkjet printing macromolecule or micromolecular water solution on the base material for be coated with priming coat, solution is heated to be dried to obtain bulge-structure；Silicone rubber solution is coated on above-mentioned priming coat, after silicone rubber crosslinking solidification version is washed with clear water, wash away the bulge-structure of the aqueous high molecular or small molecule composition being printed upon on base material, exposed priming coat is ink matching area, the silastic-layer for leaving is ink rejection area i.e. non-graphic area, thus obtains anhydrous offset plate.The aqueous molecule for washing away can be again used to ink-jetting forme-producing through filtering and concentrating.The method environmental protection, energy saving, marking ink can be recycled.
Description
Technical field
The invention belongs to anhydrous offset plate preparing technical field, more particularly to a kind of inkjet printing prepares anhydrous offset plate
Method.
Background technology
Since driography technology was proposed from 1931, because anhydrous and fountain solution is participated in, ink-water balance principle is independent of, therefore
Printing precision and pressrun are excellent, and driography has advantages below：1) dot reproduction is good；2) mass colour is consistent, and glossiness is good；
3) dot gain is controlled；4) chromatography is accurate；5) printing plate plays print soon, can save examination printing paper；6) printing efficiency is high, shortens production
Cycle；7) color space is big, 8) printing scope is wide；9) frequency modulation technology can be used；10) it is easy to operate；11) material-saving, is reduced
Environmental pollution.So press is significant using driography technology.
Waterless offset press is concentrated mainly on the developed countries such as the U.S., Canada, Germany, Japan in current world wide.According to
Count within 09 year, the driography occupation rate of market in Europe is 6%~7%, the U.S. is that 5%~6%, Fogra research institutes report nothing
Glue print occupation rate of market will increase to 10% or so.Asia is higher outer except the driography occupation rate of market of Japan, Taiwan
Also there are a small amount of application in area and some countries of Southeast Asia.In China except the ground such as Beijing have experimentally in addition to, then without other places
Use, occupation rate of market is almost nil.The mainly plate production domesticization the reason for China is not in progress of driography technology is not solved
Certainly.
Existing driography plate-making technology includes traditional PS editions plate-making mode and CTP (Computertoplate) skill
Art (see CN103692800A, CN102241209B, CN103057294A).The former need to use mask and exposure imaging, these meetings
The waste and environmental pollution of the very big energy Yu resource are caused, is gradually replaced by the latter.Although the latter does not need mask, but
It is there is still a need for laser explosure development or laser ablation, can equally cause the waste and environmental pollution of certain resource Yu energy.
The content of the invention
To solve above-mentioned the problems of the prior art, the present invention provides one kind and prepares driography using inkjet technology
The method of version.The method environmental protection, energy saving, marking ink can be recycled.
The method comprises the following steps：Inkjet printing macromolecule or small molecule are water-soluble on the base material for be coated with priming coat
Liquid, solution is heated to be dried to obtain bulge-structure；Silicone rubber solution is coated on above-mentioned priming coat, after silicone rubber crosslinking solidification
Version is washed with clear water, the bulge-structure of the aqueous high molecular or small molecule composition being printed upon on base material is washed away, exposed priming coat is
Ink matching area, the silastic-layer for leaving is ink rejection area i.e. non-graphic area, thus obtains anhydrous offset plate.The aqueous molecule for washing away passes through
Filter concentration can be again used to ink-jetting forme-producing.
Inkjet printing of the present invention prepares concretely comprising the following steps for the method for anhydrous offset plate:
(1) aluminium sheet is deoiled through alkali cleaning, is then coated with one layer of primary coat liquid, 100-150 DEG C of heat drying obtains thickness for 2-
10 μm of priming coat；
(2) inkjet printing water soluble polymer or small molecule solution pattern on priming coat, 40-70 DEG C of heat drying are obtained
To the bulge-structure that thickness is 5-20 μm；
(3) silicone rubber solution is coated on priming coat, silicone rubber crosslinking solidification is obtained the silastic-layer of 1-3 μ m-thicks；
(4) after the bulge-structure of the water soluble polymer or small molecule composition being printed upon on priming coat is washed away with clear water,
It is ink matching area to expose the priming coat for coming, and the silastic-layer for leaving is ink rejection area, and anhydrous offset plate is thus obtained；Wash away water solubility
The waste liquid that macromolecule or small molecule are obtained can be re-used for the inkjet printing of step (2) after filtering and concentrating.
Described primary coat liquid by the film-forming resin of 5-30wt%, the background dye of 0.05-0.5wt% and surplus solvent group
Into.
Described film-forming resin is selected from phenolic resin, polyurethane resin, epoxy resin, alkyd resin, acrylic resin, poly-
At least one in ethanol formal, PVOH acetal, PVOH butyral.
Described background dye is selected from：Oil-soluble Huang, the red G of oil-soluble, purplish red oil-soluble, the blue B of oil-soluble, oil-soluble are pure
Indigo plant, solvent blue RS, nigrosine, black oil-soluble, solvent black 827, solvent black 834, Victoria blue, crystal violet, alkaline bright blue, knot
One or more in crystalviolet, crystal violet.
Solvent in described primary coat liquid be selected from ethanol, propyl alcohol, isopropanol, n-butanol, the tert-butyl alcohol, acetonitrile, tetrahydrofuran,
1,4- dioxane, dimethyl sulfoxide, N, N- dimethylformamides, ethylene glycol ethyl ether, propylene glycol monomethyl ether, propylene-glycol ethyl ether, diethyl two
Alcohol methyl ether, ethylene glycol mono-n-butyl ether, glycol dimethyl ether, propane diols isopropyl ether, propylene glycol monobutyl ether, propane diols butyl oxide, two
Glycol monoethyl ether, diglycol list ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diglycol list
Butyl ether, dipropylene glycol methyl ether, dipropylene glycol, dipropylene glycol diethyl ether, dipropylene glycol two
Propyl ether, dipropylene monoethylether, dipropylene glycol monobutyl ether, triethylene glycol monoethyl ether, triethylene-glycol list
At least one in butyl ether and tripropylene glycol methyl ether, ethylene glycol, propane diols, glycerine, diethylene glycol and triethylene glycol.
The composition of described silicone rubber solution is：The silicon rubber of 5-30wt%, the curing agent of 0.01-2wt% and surplus
Organic solvent.
Described silicon rubber range of viscosities is 500-20000 centipoises.
Described curing agent is selected from ethyl orthosilicate, silicon-nitrogen polymer C, containing hydrogen silicone oil.
Described organic solvent be selected from n-decane, octane, normal heptane, n-hexane, pentane, dimethylbenzene, isoparaffin-E,
One or more in isoparaffin-G, isoparaffin-H, ethyl acetate.
Described macromolecule or small molecule solution composition are：The macromolecule or small molecule of 16-70wt%, 2-10wt% are helped
Agent and the water of surplus.
Described macromolecule or small molecule solution viscosity are 8-20 centipoises.
Described macromolecule or small molecule be selected from soluble polyurethane, water-soluble polyester, polyacrylic acid, polyacrylamide,
One or two in acrylamide, glucose, sucrose, maltose.
Described high molecular number-average molecular weight is 1700-3000.
Described auxiliary agent is glycol monoethyl ether, diethylene glycol (DEG), acrylic acid, ethylene glycol, neopelex, alkyl phenol
APEO.
This method compares (1) with conventional graphic arts method and is not required to use mask, makes a plate convenient and swift；(2) it is not required to exposure imaging
Or ablation, it is to avoid energy waste and environmental pollution；(3) water is used as platemaking, environmental protection；(4) tusche reusable edible,
It is economical and practical.
Brief description of the drawings
Fig. 1 inkjet printings of the present invention prepare the schematic diagram of anhydrous offset plate method；1- base materials, 2- primary coat things, 3-
Macromolecule or small molecule solution, 4- bulge-structures, 5- silicon rubber；
Fig. 2 bulge-structure optical microscopes；
Fig. 3 driography plate optical microscopes.
Specific embodiment
The present invention is described further with reference to embodiments.It should be noted that following embodiments cannot function as it is right
The limitation of the scope of the present invention, any improvement made on the basis of the present invention is all within protection scope of the present invention.
Embodiment 1
Prepare primary coat liquid：The ethylene glycol ethyl ether of the phenolic resin of 5wt%, the oil-soluble indigo plant B of 0.05wt% and surplus is mixed
Fully dissolved after conjunction, be filtrated to get；
Prepare silicone rubber solution：By the silicon rubber (viscosity of 10wt%：10000 centipoises), the ethyl orthosilicate of 0.01wt%
And obtained after the n-decane mixing of surplus；
Prepare inkjet printing solution：By polyacrylic acid that 16w% molecular weight is 3000,10w% glycol monoethyl ethers and remaining
Fully dissolved after amount water mixing；
By the cleaning of aluminum plate foundation timber-used water, the oil removing in 30 DEG C of degreasing fluids (sodium hydrate aqueous solution of 0.5wt%), by rotation
Be coated on primary coat liquid in version base by the method for painting.Heating (130 DEG C of temperature) obtains the priming coat that thickness is 2 μm after drying 30min,
The inkjet printing plate-making aqueous solution pattern on priming coat, solution heated (temperature 70 C) is dried to obtain average thickness and is about 5 μm
Bulge-structure.Silicone rubber solution in spin coating, places the solidification of 3 angel's silicone rubber crosslinkings at room temperature again, obtains thickness for 1 μm of silicon rubber
Glue-line.Clear water washes away bulge-structure, and bulge-structure region is ink matching area, and silicon rubber region is ink rejection area.Thus make
Into driography template.Washing away the waste liquid that bulge-structure obtains can be re-used for inkjet printing after filtering and concentrating.
Embodiment 2
Prepare primary coat liquid：By the polyvinyl butyral resin of 20wt%, two contractings three of the solvent black 827,20wt% of 0.5wt%
Fully dissolved after ethylene glycol monobutyl ether and the mixing of surplus n-butanol, be filtrated to get；
Prepare silicone rubber solution：By the silicon rubber (viscosity of 20wt%：5000 centipoises), the silicon-nitrogen polymer C of 0.08wt%
And obtained after the octane mixing of surplus.
Prepare inkjet printing solution：Fully dissolved after the mixing of 70w% glucose, 2w% diethylene glycol (DEG)s and excess water.
By the cleaning of aluminum plate foundation timber-used water, the oil removing in 30 DEG C of degreasing fluids (sodium hydrate aqueous solution of 0.5wt%), by rotation
In the version base that be coated with for primary coat liquid by the method for painting.Heating (120 DEG C of temperature) obtains the priming coat that thickness is 8 μm after drying 45min,
The inkjet printing aqueous solution pattern on priming coat, solution heated (temperature 45 C) is dried to obtain average thickness and is about 20 μm convex
Play structure.Silicone rubber solution in spin coating, places the solidification of 4 angel's silicone rubber crosslinkings at room temperature again, obtains thickness for 3 μm of silicon rubber
Layer.Clear water washes away bulge-structure, and bulge-structure region is ink matching area, and silicon rubber region is ink rejection area.Thus it is made
Driography template.Washing away the waste liquid that bulge-structure obtains can be re-used for inkjet printing after filtering and concentrating.
Embodiment 3
Prepare primary coat liquid：The polyurethane resin of 10wt%, the epoxy resin of 5wt%, the Victoria blue of 0.4wt%,
Fully dissolved after 30wt% ethylene glycol and the mixing of surplus dimethyl sulfoxide, be filtrated to get；
Prepare silicone rubber solution：By the silicon rubber (viscosity of 5wt%：20000 centipoises), the containing hydrogen silicone oil of 0.04wt% and remaining
Obtained after the dimethylbenzene mixing of amount.
Prepare inkjet printing solution：5w% molecular weight is 1700 polyacrylamide, 40w% sucrose, 5% ethylene glycol and remaining
Fully dissolved after amount water mixing.
By the cleaning of aluminum plate foundation timber-used water, the oil removing in 30 DEG C of degreasing fluids (sodium hydrate aqueous solution of 0.5wt%), by rotation
In the version base that be coated with for primary coat liquid by the method for painting.Heating (100 DEG C of temperature) obtains the priming coat that thickness is 6 μm after drying 60min,
The inkjet printing aqueous solution pattern on priming coat, solution heated (temperature 50 C) is dried to obtain average thickness and is about 10 μm convex
Play structure.Silicone rubber solution in spin coating, places 0.5 angel's silicone rubber crosslinking for 100 DEG C and solidifies again, obtains thickness for 1 μm of silicon rubber
Layer.Clear water washes away bulge-structure, and bulge-structure region is ink matching area, and silicon rubber region is ink rejection area.Thus it is made
Driography template.Washing away the waste liquid that bulge-structure obtains can be re-used for inkjet printing after filtering and concentrating.
Embodiment 4
Prepare primary coat liquid：The acrylic resin of 5wt%, 5wt% PVOHs formal, the alkaline bright blue of 0.3wt% and remaining
Fully dissolved after the dipropylene glycol methyl ether mixing of amount, be filtrated to get；
Prepare silicone rubber solution：By the silicon rubber (viscosity of 30wt%：5000 centipoises), the ethyl orthosilicate of 0.2wt% and
Obtained after the isoparaffin-E mixing of surplus.
Prepare inkjet printing solution：By polyacrylic acid 15w% acrylamides, 2w% 12 that 20w% molecular weight is 2000
Fully dissolved after sodium alkyl benzene sulfonate and excess water mixing.
By the cleaning of aluminum plate foundation timber-used water, the oil removing in 30 DEG C of degreasing fluids (sodium hydrate aqueous solution of 0.5wt%), by rotation
In the version base that be coated with for primary coat liquid by the method for painting.Heating (140 DEG C of temperature) obtains the priming coat that thickness is 4 μm after drying 20min,
The inkjet printing aqueous solution pattern on priming coat, solution heated (temperature 60 C) is dried to obtain average thickness and is about 10 μm convex
Play structure.Silicone rubber solution in spin coating, places 1 angel's silicone rubber crosslinking for 80 DEG C and solidifies again, obtains thickness for 1 μm of silastic-layer.
Clear water washes away bulge-structure, and bulge-structure region is ink matching area, and silicon rubber region is ink rejection area.Thus it is made anhydrous
Offset printing template.Washing away the waste liquid that bulge-structure obtains can be re-used for inkjet printing after filtering and concentrating.
Embodiment 5
Prepare primary coat liquid：The propane diols butyl oxide mixing of the alkyd resin of 30wt%, the crystal violet of 0.2wt% and surplus
Fully dissolving, is filtrated to get afterwards；
Prepare silicone rubber solution：By the silicon rubber (viscosity of 10wt%：1000 centipoises), the ethyl orthosilicate of 0.16wt% and
Obtained after the isoparaffin-H mixing of surplus.
Prepare inkjet printing solution：By aqueous polyurethane 50w% maltose, 5w% acrylic acid that 5w% molecular weight is 3000
And fully dissolved after excess water mixing.
By the cleaning of aluminum plate foundation timber-used water, the oil removing in 30 DEG C of degreasing fluids (sodium hydrate aqueous solution of 0.5wt%), by rotation
In the version base that be coated with for primary coat liquid by the method for painting.Heating (150 DEG C of temperature) obtains the primary coat that thickness is 10 μm after drying 10min
Layer, the inkjet printing plate-making aqueous solution on priming coat, solution heated (40 DEG C of temperature) is dried to obtain average thickness and is about 15 μm
Bulge-structure.Silicone rubber solution pattern in spin coating, places the solidification of 3 angel's silicone rubber crosslinkings at room temperature again, obtains thickness for 2 μm
Silastic-layer.Clear water washes away bulge-structure, and bulge-structure region is ink matching area, and silicon rubber region is ink rejection area.By
This is made driography template.Washing away the waste liquid that bulge-structure obtains can be re-used for inkjet printing after filtering and concentrating.
Novel anhydrous offset plate prepared by above-described embodiment 1-5 can directly be printed on the machine, and pressrun prints up to 1-3 ten thousand.
Claims (7)
1. a kind of method that inkjet printing prepares anhydrous offset plate, it is characterised in that it is concretely comprised the following steps:
(1) aluminium sheet is deoiled through alkali cleaning, is then coated with one layer of primary coat liquid, 100-150 DEG C of heat drying obtains thickness for 2-10 μm
Priming coat；
(2) inkjet printing water soluble polymer or small molecule solution on priming coat, 40-70 DEG C of heat drying obtain thickness and are
5-20 μm of bulge-structure；
(3) silicone rubber solution is coated on priming coat, silicone rubber crosslinking solidification is obtained the silastic-layer of 1-3 μ m-thicks；
(4) it is exposed after the bulge-structure of the water soluble polymer or small molecule composition being printed upon on priming coat is washed away with clear water
Priming coat out is ink matching area, and the silastic-layer for leaving is ink rejection area, and anhydrous offset plate is thus obtained；Wash away water-soluble high score
The waste liquid that son or small molecule are obtained can be re-used for the inkjet printing of step (2) after filtering and concentrating；
Described macromolecule or small molecule solution composition are：The macromolecule or small molecule of 16-70wt%, the auxiliary agent of 2-10wt% and
The water of surplus；Described macromolecule or small molecule solution viscosity are 8-20 centipoises；
Described macromolecule or small molecule are selected from soluble polyurethane, water-soluble polyester, polyacrylic acid, polyacrylamide, propylene
One or two in acid amides, glucose, sucrose, maltose；Described high molecular number-average molecular weight is 1700-3000；
Described primary coat liquid is made up of the solvent of the film-forming resin of 5-30wt%, the background dye of 0.05-0.5wt% and surplus.
2. method according to claim 1, it is characterised in that described film-forming resin is selected from phenolic resin, polyurethane tree
In fat, epoxy resin, alkyd resin, acrylic resin, PVOH formal, PVOH acetal, PVOH butyral extremely
Few one kind；
Described background dye is selected from：It is oil-soluble Huang, the red G of oil-soluble, purplish red oil-soluble, the blue B of oil-soluble, oil-soluble ethereal blue, molten
One kind in agent indigo plant RS, nigrosine, black oil-soluble, solvent black 827, solvent black 834, Victoria blue, alkaline bright blue, crystal violet
Or it is several.
3. method according to claim 1, it is characterised in that the solvent in described primary coat liquid is selected from ethanol, propyl alcohol, different
Propyl alcohol, n-butanol, the tert-butyl alcohol, acetonitrile, tetrahydrofuran, 1,4- dioxane, dimethyl sulfoxide, N, N- dimethylformamides, ethylene glycol
Ether, propylene glycol monomethyl ether, propylene-glycol ethyl ether, diethylene glycol dimethyl ether, ethylene glycol mono-n-butyl ether, glycol dimethyl ether, propane diols are different
Propyl ether, propylene glycol monobutyl ether, propane diols butyl oxide, diethylene glycol monomethyl ether, diglycol list ether, diethylene glycol diformazan
Ether, diethylene glycol diethyl ether, diethylene glycol monobutyl ether, dipropylene glycol methyl ether, dipropylene glycol, one
Contracting dipropylene glycol diethyl ether, dipropylene glycol dipropyl ether, dipropylene monoethylether, dipropylene glycol monobutyl ether, two
Contracting Triethylene glycol ethyl ether, triethylene-glycol monobutyl ether and tripropylene glycol methyl ether, ethylene glycol, propane diols, glycerine,
At least one in diethylene glycol and triethylene glycol.
4. method according to claim 1, it is characterised in that the composition of described silicone rubber solution is：5-30wt%'s
The organic solvent of silicon rubber, the curing agent of 0.01-2wt% and surplus.
5. method according to claim 4, it is characterised in that described silicon rubber range of viscosities is 500-20000 centipoises；
Described curing agent is selected from ethyl orthosilicate, silicon-nitrogen polymer C, containing hydrogen silicone oil.
6. method according to claim 4, it is characterised in that described organic solvent is selected from n-decane, octane, positive heptan
One kind or several in alkane, n-hexane, pentane, dimethylbenzene, isoparaffin-E, isoparaffin-G, isoparaffin-H, ethyl acetate
Kind.
7. method according to claim 1, it is characterised in that described auxiliary agent is glycol monoethyl ether, diethylene glycol (DEG), propylene
Acid, ethylene glycol, neopelex, APES.
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| CN201510181609.8A CN104742491B (en) | 2015-04-16 | 2015-04-16 | A kind of method that inkjet printing prepares anhydrous offset plate |
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| CN104742491B true CN104742491B (en) | 2017-06-27 |
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| CN113306319B (en) * | 2021-07-14 | 2022-09-30 | 北京印刷学院 | Method for aqueous ink offset lithographic printing |
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| CN101397438A (en) * | 2008-10-16 | 2009-04-01 | 中国科学院化学研究所 | Coating of aluminum substrate for direct plate making of ink-jet printing, production method and use |
| CN103057294A (en) * | 2011-10-24 | 2013-04-24 | 中国科学院化学研究所 | Environmental-protecting type waterless offset plate |
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- 2015-04-16 CN CN201510181609.8A patent/CN104742491B/en active Active
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| US5549787A (en) * | 1995-02-03 | 1996-08-27 | Sain; Mohini M. | Treatment of waste printed papers with surface active polymeric compositions to produce brighter pulp |
| US6030066A (en) * | 1997-10-31 | 2000-02-29 | Hewlett-Packard Company | Method and apparatus for ink jet printer color balance calibration and correction |
| CN1800982A (en) * | 2005-12-27 | 2006-07-12 | 中国科学院化学研究所 | CTP plate making method and apparatus by using ink jet imaging principle |
| CN1818786A (en) * | 2006-03-17 | 2006-08-16 | 石深泉 | Direct platemaking offset plate of ink-jetting computer |
| CN101397438A (en) * | 2008-10-16 | 2009-04-01 | 中国科学院化学研究所 | Coating of aluminum substrate for direct plate making of ink-jet printing, production method and use |
| CN103057294A (en) * | 2011-10-24 | 2013-04-24 | 中国科学院化学研究所 | Environmental-protecting type waterless offset plate |
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