CN102311694B - Rinsing-free CTP (cytidine triphosphate) coating fluid and preparation method thereof - Google Patents
Rinsing-free CTP (cytidine triphosphate) coating fluid and preparation method thereof Download PDFInfo
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- CN102311694B CN102311694B CN 201110125452 CN201110125452A CN102311694B CN 102311694 B CN102311694 B CN 102311694B CN 201110125452 CN201110125452 CN 201110125452 CN 201110125452 A CN201110125452 A CN 201110125452A CN 102311694 B CN102311694 B CN 102311694B
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Abstract
The invention discloses a rinsing-free CTP (cytidine triphosphate) coating fluid, comprising the following components: vinyl sulphonate polymer, infrared light absorbent dye, carboxyl phenolic resin, water-soluble polymer, colloidal silicon dioxide, acid catalyst, diethyl ether solvent and butanone. The invention also discloses a preparation method of the rinsing-free CTP coating fluid. The preparation method comprises the following steps of: adding the carboxyl phenolic resin into the diethyl ether solvent solution to form a mixed solution I; adding butanone to form a mixed solution II; adding the vinyl sulphonate polymer to form a mixed solution III; adding the infrared light absorbent dye to form a mixed solution IV; adding the water-soluble polymer to form a mixed solution V; adding the colloidal silicon dioxide to form a mixed solution VI; adding the acid catalyst to form a mixed solution VII; stirring for the eighth time after all the raw materials are added to form the rinsing-free CTP coating fluid; and filtering a crude finished product by virtue of a filter to form the finished product. The rinsing-free CTP coating fluid disclosed by the invention has high sensitivity, strong adhering force, ink-water balance and large coating latitude, high printing resistance rate and high film retention rate.
Description
Technical field
The present invention relates to a kind of flushing-free CTP coating fluid and preparation method thereof
Background technology
Flushing-free CTP version need not to develop with chemical development liquid after being plate-making, and only needs with flushing with clean water or need not to carry out any processing just directly to go up the plate that machine prints.Have only the thermosensitive CTP coating fluid in the market, and do not have flushing-free CTP coating fluid, the present invention has filled up blank.
Summary of the invention
The invention provides a kind of flushing-free CTP coating fluid and preparation method thereof, not only sensitivity is fast for it, and adhere to and stand by force, ink-water balance, the coating latitude is big, and press resistance rate is strong, film-remaining ratio is high.
The present invention has adopted following technical scheme: a kind of flushing-free CTP version coating fluid, it comprises following component: vinyl sulfonic acid ester polymer, infrared Absorption dyestuff, carboxylic phenolic resin, water-soluble polymers, colloidal silica, acid catalyst, ether solvent and butanone.
The weight of each component of the present invention is: vinyl sulfonic acid ester polymer 5-35 weight part, infrared Absorption dyestuff 2-5 weight part, carboxylic phenolic resin 30-80 weight part, water-soluble polymers 0.5-5 weight part, colloidal silica 0.5-5 weight part, acid catalyst 2-5 weight part, ether solvent 20-50 weight part, butanone 80-100 weight part.
A kind of preparation method of flushing-free CTP coating fluid, it may further comprise the steps: step 1 adds carboxylic phenolic resin and carries out stirring the first time back in the ether solvent solution and form mixed solution I; Step 2 adds butanone and carries out stirring the second time back in the mixed solution I and form mixed solution I I; Step 3 adds the vinyl sulfonic acid ester polymer and stirs back formation mixed solution I II for the third time in mixed solution I I; Step 4, form mixed solution I V with carrying out stirring for the 4th time the back among the infrared Absorption dyestuff adding mixed solution I II, then water-soluble polymers is added and carry out stirring for the 5th time back formation mixing solutions V among the mixed solution I V, colloidal silica is added to carry out among the mixing solutions V stirring for the 6th time forming at last and mix VI; Step 5 adds acid catalyst and carries out stirring for the 7th time the back among the mixing solutions VI and form mixing solutions VII, adds at raw material and carries out stirring for the 8th time the back again after finishing and form flushing-free CTP coating fluid; Step 6, the first finished product of flushing-free CTP coating fluid is filtered the back by strainer form finished product.
In the step 1 for the first time churning time be 1.5 hours; The time of stirring for the second time in the step 2 is 0.5 hour; In the step 3 for the third time churning time be 8 hours; The 4th churning time is 1 hour in the step 4, and the 5th time churning time is 1 hour, and the 6th time churning time is 1 hour; The 7th churning time in the step 5 is 1 hour, and the 8th time churning time is 8 hours; The step 6 middle filtrator is 3 microns strainer.
The present invention has following beneficial effect: the present invention it not only sensitivity is fast, adhere to upright strong, ink-water balance, the coating latitude is big, and press resistance rate is strong, film-remaining ratio is high.
Embodiment
A kind of flushing-free CTP version coating fluid, it comprises following component: vinyl sulfonic acid ester polymer 5-35 weight part, infrared Absorption dyestuff 2-5 weight part, carboxylic phenolic resin 30-80 weight part, water-soluble polymers 0.5-5 weight part, colloidal silica 0.5-5 weight part, acid catalyst 2-5 weight part, ether solvent 20-50 weight part, butanone 80-100 weight part.
A kind of preparation method of flushing-free CTP coating fluid, it may further comprise the steps: step 1 adds carboxylic phenolic resin to carry out in the ether solvent solution stirring the first time and forms mixed solution I after 1.5 hours; Step 2 adds butanone to carry out in the mixed solution I stirring the second time and forms mixed solution I I after 0.5 hour; Step 3 adds the vinyl sulfonic acid ester polymer and stirs formation mixed solution I II after 8 hours for the third time in mixed solution I I; Step 4, form mixed solution I V after 1 hour with carrying out the 4th stirring among the infrared Absorption dyestuff adding mixed solution I II, then water-soluble polymers is added and carry out stirring for the 5th time formation mixing solutions V after 1 hour among the mixed solution I V, colloidal silica is added to carry out among the mixing solutions V stirring for the 6th time forming in 1 hour at last and mix VI; Step 5 adds acid catalyst to carry out among the mixing solutions VI stirring for the 7th time and forms mixing solutions VII after 1 hour, adds forming flushing-free CTP coating fluid after carrying out stirring 8 hours the 8th time after finishing at raw material again; Step 6, the first finished product of the flushing-free CTP coating fluid strainer by 3 microns is filtered the back form finished product.
Claims (3)
1. flushing-free CTP version coating fluid, it is characterized in that it comprises following component, and the weight of each component is: vinyl sulfonic acid ester polymer 5-35 weight part, infrared Absorption dyestuff 2-5 weight part, carboxylic phenolic resin 30-80 weight part, water-soluble polymers 0.5-5 weight part, colloidal silica 0.5-5 weight part, acid catalyst 2-5 weight part, ether solvent 20-50 weight part, butanone 80-100 weight part.
2. the preparation method of a kind of flushing-free CTP version coating fluid according to claim 1 is characterized in that it may further comprise the steps:
Step 1 adds carboxylic phenolic resin and carries out the first time in the ether solvent solution and stir, and churning time is 1.5 hours, forms mixed solution I;
Step 2 adds butanone and carries out the second time in the mixed solution I and stir, and churning time is 0.5 hour, forms mixed solution I I;
Step 3 adds the vinyl sulfonic acid ester polymer and stirs for the third time in mixed solution I I, churning time is 8 hours, forms mixed solution I II;
Step 4 stirs carrying out the 4th time among the infrared Absorption dyestuff adding mixed solution I II, and churning time is 1 hour, forms mixed solution I V; Then water-soluble polymers is added and carry out the 5th stirring among the mixed solution I V, churning time is 1 hour, forms mixing solutions V; At last colloidal silica is added and carry out the 6th stirring among the mixing solutions V, churning time is 1 hour, forms mixing solutions VI;
Step 5 adds acid catalyst and carries out the 7th time among the mixing solutions VI and stir, and churning time is 1 hour, forms mixing solutions VII, adds the back that finishes at raw material and stirs carrying out the 8th time, and churning time is 8 hours, forms flushing-free CTP coating fluid;
Step 6 is filtered the back with the first finished product of flushing-free CTP version coating fluid by strainer and is formed finished product.
3. according to the preparation method of the described flushing-free CTP of claim 2 version coating fluid, it is characterized in that the step 6 middle filtrator is 3 microns strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110125452 CN102311694B (en) | 2011-05-10 | 2011-05-10 | Rinsing-free CTP (cytidine triphosphate) coating fluid and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110125452 CN102311694B (en) | 2011-05-10 | 2011-05-10 | Rinsing-free CTP (cytidine triphosphate) coating fluid and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102311694A CN102311694A (en) | 2012-01-11 |
| CN102311694B true CN102311694B (en) | 2013-07-03 |
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| CN 201110125452 Active CN102311694B (en) | 2011-05-10 | 2011-05-10 | Rinsing-free CTP (cytidine triphosphate) coating fluid and preparation method thereof |
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| CN106950799B (en) * | 2017-03-28 | 2020-10-30 | 广东潮新科数字科技有限公司 | Photosensitive emulsion composition and application thereof in electrochemical-free treatment of thermosensitive CTP (computer to plate) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603956A (en) * | 2003-09-30 | 2005-04-06 | 北京师范大学 | Image-forming composition for heat-sensitive CTP image base, acid generating source for the composition and preparation thereof |
| JP2006133263A (en) * | 2004-11-02 | 2006-05-25 | Konica Minolta Medical & Graphic Inc | Method for correcting lithographic printing plate and eradicating liquid |
| CN101316720A (en) * | 2005-11-29 | 2008-12-03 | 柯尼卡美能达医疗印刷器材株式会社 | Lithographic printing plate material and printing method |
| CN101636694A (en) * | 2007-03-23 | 2010-01-27 | 三菱制纸株式会社 | Photosensitive lithographic printing plate material developable with water |
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2011
- 2011-05-10 CN CN 201110125452 patent/CN102311694B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603956A (en) * | 2003-09-30 | 2005-04-06 | 北京师范大学 | Image-forming composition for heat-sensitive CTP image base, acid generating source for the composition and preparation thereof |
| JP2006133263A (en) * | 2004-11-02 | 2006-05-25 | Konica Minolta Medical & Graphic Inc | Method for correcting lithographic printing plate and eradicating liquid |
| CN101316720A (en) * | 2005-11-29 | 2008-12-03 | 柯尼卡美能达医疗印刷器材株式会社 | Lithographic printing plate material and printing method |
| CN101636694A (en) * | 2007-03-23 | 2010-01-27 | 三菱制纸株式会社 | Photosensitive lithographic printing plate material developable with water |
Non-Patent Citations (1)
| Title |
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| 韩星周等.可控丙烯酸制备水溶性酚醛树脂的研究.《影像技术》.2007,(第5期),第16-17页. * |
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