CN101293441B - Environment-friendly ink-jet CTP offset master and production method thereof - Google Patents
Environment-friendly ink-jet CTP offset master and production method thereof Download PDFInfo
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- CN101293441B CN101293441B CN2008101153865A CN200810115386A CN101293441B CN 101293441 B CN101293441 B CN 101293441B CN 2008101153865 A CN2008101153865 A CN 2008101153865A CN 200810115386 A CN200810115386 A CN 200810115386A CN 101293441 B CN101293441 B CN 101293441B
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- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000000576 coating method Methods 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 31
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 229920002521 macromolecule Polymers 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 22
- 239000004411 aluminium Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 6
- 229920000609 methyl cellulose Polymers 0.000 claims description 6
- 239000001923 methylcellulose Substances 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 108010010803 Gelatin Proteins 0.000 claims description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 5
- 229920000159 gelatin Polymers 0.000 claims description 5
- 239000008273 gelatin Substances 0.000 claims description 5
- 235000019322 gelatine Nutrition 0.000 claims description 5
- 235000011852 gelatine desserts Nutrition 0.000 claims description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 4
- 229920005615 natural polymer Polymers 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 239000013530 defoamer Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- -1 sorbitan ester Chemical class 0.000 claims description 2
- 238000007639 printing Methods 0.000 abstract description 19
- 238000007641 inkjet printing Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 5
- 235000010210 aluminium Nutrition 0.000 abstract 5
- 238000002048 anodisation reaction Methods 0.000 abstract 3
- 238000005868 electrolysis reaction Methods 0.000 abstract 3
- 239000012190 activator Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000003756 stirring Methods 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010424 printmaking Methods 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- ONEVAMKQZXGLGU-UHFFFAOYSA-N CC(C)CCCCC[Na] Chemical compound CC(C)CCCCC[Na] ONEVAMKQZXGLGU-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920006184 cellulose methylcellulose Polymers 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- 230000004304 visual acuity Effects 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
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- Manufacture Or Reproduction Of Printing Formes (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention relates to an 'environment-friendly ink jetting CTP offset plate and a preparation method' and belongs to the technical field of printing. The environment-friendly ink jetting CTP offsetplate comprises an aluminum plate base that is roughened by electrolysis and treated by anodization as well as an ink jetting receiving coat printed on the aluminum plate base; the coat mainly consists of a water-soluble macromolecular compound and a surface activator; the weight percentage of the water-soluble macromolecular compound and the surface activator is 2.5 to 100:1; the grain roughnessconcentration Ra of the aluminum plate base that is roughened by electrolysis and treated by anodization is 0.5 to 0.7; the thickness of a filam is 2.5 to 4.0g/m<2>. The absorbency of the jetted inkcanbe remarkably improved by coating the ink jetting receiving coat on the aluminum plate base that is roughened by electrolysis and treated by anodization; the ink can not disperse and flow on the alum inum plate base; therefore, the definition of an image is good, thus improving the image quality, thereby leading the environment-friendly ink jetting direct-plate manufacture plate material to beextensively applied to the printing industry.
Description
Technical field
The present invention relates to printing technology, particularly relate to a kind of environment-friendly ink-jet CTP offset master and preparation method.
Background technology
For a long time, produces the offset printing version and all will use film, and film is a kind of photosensitive material that he is the processing method with chemistry, and will be, very inconvenience in dark room operation production.
At present advanced in the world typography is to be CTP with CTP technology (Computer to plate), it has saved film and manual imposition operation, the CTP technology has brought the simple working flow process for the plate-making process, but the price of CTP plate such as photosensitive version, temperature-sensitive version doubles many than common PS version price, the equipment price of processing the CTP plate in addition is expensive especially, therefore printing cost is very high, produces the CTP plate of CTP with more economical way according to domestic actual conditions needs.
Recent years, ink-jet printer makes much progress, inkjet printing speed is fast, the resolution ratio height, Seiko Epson Corporation release 4800,7800,9880 etc. in the width of cloth and ink-jet printer significantly, printing precision can reach 2880DPI, reaches the precision of laser photocomposing machine 175 lines/2540DPI, and the price of ink jet printing device and ink is lower, thereby the plate-making cost is lower.These progress make inkjet technology develop to the CTP direction, can be widely used in the printing of books and newpapers and periodicals.
The ink-jet CTP plate generally is a PS version type ink-jet CTP version at present, PS version type ink-jet CTP version is coating one deck ink-jet receiving layer on the photosensitive layer of common aluminium base positive PS printing plate, on the ink-jet receiving layer, print picture and text with ink-jet printer then, again through the printing that promptly is available on the machine after the operations such as printing down, development, washing, it compares technology and corresponding apparatus such as having saved film, manual imposition with traditional PS version mask-making technology, shorten the plate-making time simultaneously, reduced cost.The inventor is at above-mentioned deficiency, apply for patent " direct platemaking offset plate of ink-jetting computer " (publication number is CN1818786 "); but this offset plate is a substrate with common aluminium base positive PS printing plate still; adhere to the ink-jet receiving layer again after when making, will coating photosensitive layer; therefore operation or more complicated when making, and caused cost to increase.
Summary of the invention
Deficiency at PS version type ink-jet CTP version the invention provides environment-friendly ink-jet CTP offset master and preparation method, and its manufacture craft is simple, saved printing down, development, etc. operation there is not pollution in environment, also reduced printing cost simultaneously.
Design of the present invention:
Environment-friendly ink-jet CTP offset master, be directly ink printed on aluminum substrate, rather than with on the PS version base of photosensitive layer, because aluminum substrate is the metal aluminum substrate that can not absorb water, ink printed will spread on aluminum substrate but also may produce trickling, can not form picture and text clearly.
In order to solve this disadvantage, the raising aluminum substrate makes it indiffusion to the absorption of ink, does not trickle, so be coated with one deck ink-jet receiving layer coating on aluminum substrate, accepts ink droplet when being used for printing, and makes it to form picture and text clearly.
Environment-friendly ink-jet CTP offset master, comprise aluminum substrate of crossing through electrolyzing and coarsening, anodized and the ink-jet receiving layer coating that is coated with on it, this coating mainly is made up of water-soluble high-molecular compound and surfactant, its percentage by weight is 2.5-100: 1, described Grains roughness Ra through electrolyzing and coarsening and anodised aluminium base version is 0.5-0.7, and oxide thickness is 2.5-4.0g/m
2
Described water soluble polymer is synthetic macromolecular compound or natural polymer.
Described synthetic macromolecular compound is polyvinyl alcohol and derivative (PVA) thereof, polyvinylpyrrolidone and derivative thereof (PVP), one or more in polyacrylic acid and the derivative thereof (PAA).
Described natural polymer is one or more in methylcellulose, carboxymethyl cellulose and the gelatin.
Described surfactant is succinate sodium 2-ethylhexyl or sorbitan ester polyoxyethylene ether compound.
Also comprise auxiliary agent in the described coating, described auxiliary agent is defoamer and/or PH conditioning agent.
Described aluminum substrate thickness is 0.1-0.3mm, and described ink-jet receiving layer thickness is 5-30 μ m.
The preparation method of this offset plate is dissolved in ink-jet receiving layer raw material in the water, forms coating fluid, is coated on electrolyzing and coarsening, anodised aluminum substrate, dry getting final product.
Described coating fluid solid content is 0.7-10%, and coating weight is 0.1-2.5g coating fluid/m
2
Described coating method is dip-coating, roller coat or extrusion coated.
Ink receiving layer is as the crucial coating of ink-jet CTP offset master, the quality of its performance quality, directly influence inkjet printing quality, ink droplet is absorbed the requirement ink receiving layer and the set ability is strong, infiltration rate is fast, indiffusion forms picture and text clearly, and can improve the resolving power and the pressrun of forme, processing to aluminum substrate simultaneously also has requirement, makes it can adsorb the ink-jet receiving layer preferably.The composition of ink receiving layer is mainly macromolecular compound, gap between the macromolecule molecule is very little, when inkjet printing, ink droplet permeates high molecular gap, reach and absorb ink droplet and reduce diffusion, make picture and text clear, so the macromolecular compound that adds in the coating must be a water-soluble high-molecular compound.
Aluminum substrate generally is to make the careful Grains of formation with alloy aluminum through electrolyzing and coarsening and anodised technology, and the Grains average roughness Ra is 0.5-0.7, and hydrophilicity is better, does not go up dirty during printing.Oxide thickness is 2.5-4.0g/m
2, the high abrasion resistance of forme.
Environment-friendly ink-jet of the present invention is printed direct printmaking plate, is made up of aluminum substrate and the coating on it.By on through electrolyzing and coarsening and anodised aluminum substrate, being coated with the absorbability that ink-jet receiving layer coating can significantly improve ink-jet ink, no longer diffusion and trickling on aluminum substrate of ink, thereby, image definition is good, this has just improved picture quality, thereby makes environment-friendly ink-jet print direct printmaking plate to be used widely in printing industry.
Environment-friendly ink-jet CTP offset master has following advantage:
1. belong to environment-friendly type CTP version
Without material and layout operations such as films, computer is directly published, and the easy operations such as printing down, development, washing that do not need of plate-making process have shortened the plate-making time, need not discharge developer solution, thus free from environmental pollution, be the printing plate of environment-friendly type.
2. reduced the plate-making cost
Because the plate-making link reduces, and does not need operations such as film and layout, printing down, development, washing.So be to exempt from processing type CTP plate, reduced the plate-making expense, because the ink-jet printer price is very low at present, and the ink price is also low, therefore lowered the plate-making integrated cost significantly, again so be suitable for promoting the use of.
3. the present invention directly applies the ink-jet receiving layer on aluminum substrate, do not resemble positive PS printing plate and also need add photosensitive layer, so mask-making technology is simple, and cost is lower.
The specific embodiment
Describe below by the application of example, but this patent is not limited to described content this patent.
Material therefor is commercially available among the following embodiment, and wherein macromolecular material molecular weight distribution situation is as follows:
Polyvinyl alcohol M=2 ten thousand-100,000
Polyvinylpyrrolidone M=3 ten thousand-150,000
Methylcellulose, CMC M=2 ten thousand-150,000
Gelatin M=2000-10000
Embodiment 1
1.1 aluminium base preliminary treatment
The conventional electrolyzing and coarsening of aluminium base process, anode oxidation process, its roughness Ra is 0.7, oxide thickness is 3.0g/m
2
1.2 preparation coating fluid
Polyvinyl alcohol 5 grams
2 milliliters of succinic acid isooctyl sodium sulfonate 4% aqueous solution
Polyvinylpyrrolidone 3 grams
90 milliliters in water
1.3 preparation ink-jet CTP offset master
Under agitation in the water of 70-80 ℃ of polyvinyl alcohol adding, stirred 7-8 hour, polyvinyl alcohol is all dissolved, add the polyvinylpyrrolidone stirring and dissolving then, adding surfactant-succinic acid Diisooctyl sodium sulfonate 4% aqueous solution at last continues to stir, all after the dissolving through filtering, then this solution is coated on through electrolyzing and coarsening by the extrusion coated mode, on the anodised aluminum substrate, coating weight be 1.5-2.0 gram/square metre, baking temperature 95-105 ℃, be 10 minutes drying time.
Example 2
2.1 aluminium base preliminary treatment
The conventional electrolyzing and coarsening of aluminium base process, anode oxidation process, its roughness Ra is 0.5, oxide thickness is 2.5g/m
2
2.2 preparation coating fluid
Carboxymethyl cellulose 0.5 gram
10% 2 milliliters of anhydrous sorbitol fat polyoxyethylene ether compounds
97.5 milliliters in water
2.3 preparation ink-jet CTP offset master
Under agitation carboxymethyl cellulose is joined in the cold water, continue to stir 7-8 hour, carboxymethyl cellulose is all dissolved, add surfactant-anhydrous sorbitol fat polyoxyethylene ether compound then and continue to stir, through filtering, then this solution is coated with by roll coating model after all dissolving.Through coating weight on the electrolyzing and coarsening, anodised aluminum substrate be the 0.1-0.5 gram/square metre, baking temperature 95-105 ℃, be 10 minutes drying time, gets final product.
Example 3
3.1 aluminium base preliminary treatment
The conventional electrolyzing and coarsening of aluminium base process, anode oxidation process, its roughness Ra is 0.6, oxide thickness is 4.0g/m
2
3.2 preparation coating fluid
Methylcellulose 4 grams
2 milliliters of succinate sodium 2-ethylhexyl 4% aqueous solution
Gelatin 2 grams
92 milliliters in water
3.3 preparation ink-jet CTP offset master
Under agitation methylcellulose is added in the cold water, continue to stir 7-8 hour, methylcellulose is all dissolved, add gelatin then, continue to be stirred to whole dissolvings, add surfactant-succinate sodium 2-ethylhexyl 4% aqueous solution at last and continue to stir, all after the dissolving through filtering, then with this solution by extruding Tu mode for cloth be coated on through coating weight on electrolyzing and coarsening, the anodised aluminum substrate be the 0.5-1.5 gram/square metre.Baking temperature is 95-105 ℃, and be 10 minutes drying time, gets final product.
The present invention can also add chemical assistant commonly used such as defoamer in right amount in coating fluid, the PH conditioning agent makes the performance of offset plate better, and the amount of being routinely added to is about 1% of a total solid matters.
Claims (6)
1. environment-friendly ink-jet CTP offset master, comprise aluminum substrate of crossing through electrolyzing and coarsening, anodized and the ink-jet receiving layer coating that is coated with on it, this coating mainly is made up of water-soluble high-molecular compound and surfactant, its percentage by weight is 2.5-100: 1, described Grains roughness Ra through electrolyzing and coarsening and anodised aluminium base version is 0.5-0.7, and oxide thickness is 2.5-4.0g/m
2Described water-soluble high-molecular compound is synthetic macromolecular compound or natural polymer, described synthetic macromolecular compound is for being polyvinyl alcohol and derivative thereof, polyvinylpyrrolidone and derivative thereof, in polyacrylic acid and the derivative thereof one or more, described natural polymer is one or more in methylcellulose, carboxymethyl cellulose and the gelatin, and described surfactant is succinate sodium 2-ethylhexyl or sorbitan ester polyoxyethylene ether compound.
2. environment-friendly ink-jet CTP offset master according to claim 1 also comprises auxiliary agent in the described coating, described auxiliary agent is defoamer and/or PH conditioning agent.
3. environment-friendly ink-jet CTP offset master according to claim 1, described aluminum substrate thickness is 0.1-0.3mm, described ink-jet receiving layer thickness is 5-30 μ m.
4. the preparation method of the described environment-friendly ink-jet CTP offset master of claim 1 is that ink-jet receiving layer raw material is dissolved in the water, forms coating fluid, is coated on electrolyzing and coarsening, anodised aluminum substrate, dry getting final product.
5. preparation method according to claim 4, described coating fluid solid content is 0.7-10%, coating weight is 0.1-2.5g coating fluid/m2.
6. preparation method according to claim 4, described coating is dip-coating, roller coat or extrusion coated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101153865A CN101293441B (en) | 2008-06-23 | 2008-06-23 | Environment-friendly ink-jet CTP offset master and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101153865A CN101293441B (en) | 2008-06-23 | 2008-06-23 | Environment-friendly ink-jet CTP offset master and production method thereof |
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| CN101293441A CN101293441A (en) | 2008-10-29 |
| CN101293441B true CN101293441B (en) | 2010-04-14 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954775B (en) * | 2009-07-13 | 2012-08-08 | 中国科学院化学研究所 | Method for preparing metal plate base for ink-jet printing computer to plate |
| JP5425208B2 (en) | 2008-10-16 | 2014-02-26 | 中国科学院化学研究所 | Method for manufacturing metal substrate for computer-to-plate for inkjet printing |
| CN102476503A (en) * | 2011-07-29 | 2012-05-30 | 深圳光启高等理工研究院 | Preparation method of microstructure based on high polymer material |
| CN103374260B (en) * | 2013-07-31 | 2014-12-17 | 中国科学院化学研究所 | Superhydrophobic ink and application thereof to printing plate material for offset print |
| CN105774286A (en) * | 2016-03-07 | 2016-07-20 | 湖州太德汇印刷器材有限公司 | Environment-friendly ink-jet computer-to-plate material |
| CN107538947B (en) * | 2016-06-28 | 2019-07-12 | 北京中科纳新印刷技术有限公司 | A kind of flushing-free aluminium plate material of direct plate making of ink-jet printing and preparation method thereof |
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| US4555475A (en) * | 1982-01-15 | 1985-11-26 | Crossfield Electronic Limited | Method of making a planographic printing member with aluminium silicate |
| CN1295307A (en) * | 1999-11-05 | 2001-05-16 | 张仲奎 | Manufacture and plate-making process of ink-jet computerized printing plate |
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| CN1800976A (en) * | 2005-12-26 | 2006-07-12 | 高丽生 | Method for manufacturing thermal sensitive CTP plate |
| CN1818786A (en) * | 2006-03-17 | 2006-08-16 | 石深泉 | Direct platemaking offset plate of ink-jetting computer |
| CN101081952A (en) * | 2007-07-12 | 2007-12-05 | 石深泉 | Environment-friendly type on-press-coating ink-jet CTP offset master, pigment ink and preparation method thereof |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4555475A (en) * | 1982-01-15 | 1985-11-26 | Crossfield Electronic Limited | Method of making a planographic printing member with aluminium silicate |
| CN1295307A (en) * | 1999-11-05 | 2001-05-16 | 张仲奎 | Manufacture and plate-making process of ink-jet computerized printing plate |
| CN1310359A (en) * | 2000-02-24 | 2001-08-29 | 富士胶片株式会社 | Producing method for lithographic printing plate originals |
| CN1444098A (en) * | 2002-03-07 | 2003-09-24 | 张仲奎 | Plate material for digital lithoprint direct printing plate |
| CN1800976A (en) * | 2005-12-26 | 2006-07-12 | 高丽生 | Method for manufacturing thermal sensitive CTP plate |
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| CN101081952A (en) * | 2007-07-12 | 2007-12-05 | 石深泉 | Environment-friendly type on-press-coating ink-jet CTP offset master, pigment ink and preparation method thereof |
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| CN101293441A (en) | 2008-10-29 |
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Assignee: Langfang Development Zone Print Science&Industry Trade Co.,Ltd. Assignor: Shi Shenquan Contract record no.: 2010990000329 Denomination of invention: Environment-friendly ink-jet CTP offset master and production method thereof Granted publication date: 20100414 License type: Exclusive License Open date: 20081029 Record date: 20100528 |
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