CN102841502A - Imaging liquid for thermosensitive CTP (cytidine triphosphate) plate - Google Patents
Imaging liquid for thermosensitive CTP (cytidine triphosphate) plate Download PDFInfo
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- CN102841502A CN102841502A CN2012103554965A CN201210355496A CN102841502A CN 102841502 A CN102841502 A CN 102841502A CN 2012103554965 A CN2012103554965 A CN 2012103554965A CN 201210355496 A CN201210355496 A CN 201210355496A CN 102841502 A CN102841502 A CN 102841502A
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Abstract
The invention provides an imaging liquid for a thermosensitive CTP (cytidine triphosphate) plate, which comprises the following components by weight: the solute of the imaging liquid comprising 75-90 parts of film forming resin, 2-5 parts of infrared dye, 5-10 parts of acid production agent, 2-6 parts of cross-linking agent, 1-2 parts of surface active agent, and 2-5 parts of background coloring dye solvent, and the imaging liquid with the weight ratio of the solute to the solvent being (10-15) to (85-90); and the acid production agent is polyamide. According to the imaging liquid, after components in the imaging liquid such as the acid production agent and the like are improved and on the basis that the imaging effect is ensured, the pressrun of the imaging liquid is effectively improved, and the production cost is greatly saved, therefore, the imaging liquid provided for the thermosensitive CTP plate has good application value.
Description
Technical field
The invention provides a kind of thermal CTP plate material with imaging liquid.
Background technology
The heat-sensitive type forme is to utilize thermal imaging, therefore can under gold-tinted or the ultraviolet daylight of filtering, handle.Heat-sensitive CTP plate is divided into two types of negative type and positive-types, and picture and text partly make public during the CTP version infrared scan of negative type, positive-type then be that non-graphic partly makes public.The positive heat-sensitive plate belongs to cross-linking type photosensitive polymer plate.On this plate, laser makes the non-printing imaging of forme, and the heat shock light beam decomposes photopolymer, and it is soluble that imaging area is become in developing process, and keep insoluble without exposed portion.Because this process is identical with shining the seal carving version with the positive film, so be referred to as " positive " temperature-sensitive plate.The needed laser beam power of this plate is less.This plate is applicable to the interior direct platemaking machine of drum-type, does not need preheating, but needs to handle, and can improve the seal amount through the overbaking version.
In the prior art; Positive-type CTP plate is reported with imaging liquid is existing; Like the Chinese patent of application number CN1490667, a kind of thermographic composition is disclosed, wherein; With 2; 2-diphenyl-2-phenolic group acetogenin dissolves the short intermedium that dissolves compound as resistance and carries out the active ester ether compound that addition reaction obtains with alkene ether compounds such as ethyl vinyl ether, dihydrofuran, or contains the lactone compound of active ether, has the resistance of highly urging dissolubility after dissolubility, the acidolysis and dissolves compound as having before the acidolysis highly to hinder; Produce acid source with the linear phenol resin with the short dissolubility ability of acidolysis, infrared absorbing dye, thermal decomposition type and cooperate in the proper ratio, be mixed with the thermographic composition.The image forming composition of this invention, filming performance is not good enough, a little less than the resistance dissolubility in the developer solution can be also.
To the problems referred to above, patent announcement number: CN101762976B discloses and connects three benzenetriols and contract the active etherate of acetone resin as the heat-sensitive CTP heat-sensible image-forming liquid of resistance solvent a kind of containing.This imaging liquid comprises film-forming resin, resistance solvent, IR dyes, coloring background dye, acid agent, adjuvant and solvent, can improve the development and the imaging performance of plate.But the inventor discovers that the pressrun of such imaging liquid is still waiting to improve.
Summary of the invention
The object of the present invention is to provide the thermal CTP plate material that a kind of imaging performance is good, pressrun is high to use imaging liquid.
The invention provides a kind of thermal CTP plate material with imaging liquid, it has the component of following weight proportion:
Imaging liquid solute:
75-90 part film-forming resin, 2-5 part IR dyes, 5-10 part acid agent, 2-6 part crosslinking chemical, 1-2 part surfactant, 2-5 part coloring background dye;
Imaging liquid solvent:
The weight ratio of solute and solvent is (10-15): (85-90);
Said acid agent is a polyamide.
Further, it has the component of following weight proportion:
Imaging liquid solute:
75 parts of film-forming resins, 2 parts of IR dyes, 5 parts of acid agents, 2 parts of crosslinking chemicals, 1 part of surfactant, 2 parts of coloring background dye;
Imaging liquid solvent:
The weight ratio of solute and solvent is 11:89.
Wherein, the weight-average molecular weight of said polyamide is 1200 ~ 4000.
Wherein, said film-forming resin is a linear phenol-aldehyde resin, and weight-average molecular weight is 2000 ~ 13000.
Further, said linear phenol-aldehyde resin comprises phenol-metacresol-paracresol-formaldehyde resin, metacresol-paracresol-formaldehyde resin, metacresol-tert-butyl phenol-phenol-formaldehyde resin, metacresol-formaldehyde resin, orthoresol-formaldehyde resin, phenol-metacresol-formaldehyde resin, phenol-orthoresol-formaldehyde resin, phenol-paracresol-formaldehyde resin, phenol-tert-butyl group resinox or phenol-formaldehyde resin.
Wherein, the wavelength absorption scope of said IR dyes is 810 ~ 850nm; Said crosslinking chemical is the multipolymer of methyl methacrylate and Jia Jibingxisuanyizhi, and the weight-average molecular weight of crosslinking chemical is 6800 ~ 12000; Said coloring background dye comprise methyl violet, crystal violet, malachite green, solvent blue, alkaline bright blue, Victoria's ethereal blue or indigo in one or more.
Further, said IR dyes does
Wherein, said surfactant is a siloxane, and its structural formula is following:
N=15—25。
Wherein, said solvent is to contain the mixed solvent that 70-90% propylene glycol monomethyl ether and 10-30% butanone combine.
Wherein, the preparation method of imaging liquid is: each components dissolved in solvent, is promptly got.
The present invention on the basis that has guaranteed imaging effect, has effectively improved the pressrun of imaging liquid after being modified into as components such as acid agents in the liquid, greatly practiced thrift production cost, has excellent application value.
Embodiment
The form images preparation of liquid of embodiment 1 the present invention
Get 75g film-forming resin, 2g IR dyes, 5g polyamide, 2g crosslinking chemical, 1g surfactant, 2g coloring background dye, the mixed solvent 704g of 70% propylene glycol monomethyl ether and 30% butanone in mixed solvent, promptly gets the liquid that forms images with each components dissolved;
Wherein, said film-forming resin is a BTB-25 phenolics;
Said IR dyes is (a model: TR-8131)
Polyamide is acid agent, and its weight-average molecular weight is 1200 ~ 4000.
Crosslinking chemical is the multipolymer of methyl methacrylate and Jia Jibingxisuanyizhi, and its weight-average molecular weight is 6800 ~ 12000.
Surfactant is a siloxane, and its structural formula is following:
N is 15-25.
Coloring background dye is a crystal violet.
The form images preparation of liquid of embodiment 2 the present invention
Like embodiment 1, wherein, film-forming resin is BTB-26G, and coloring background dye is an alkaline bright blue.Below specify beneficial effect of the present invention through Test Example.
The form images contrast of liquid and prior art of Test Example 1 the present invention
With the imaging liquid of embodiment 1 preparation, and patent announcement number: the imaging liquid of embodiment 1 preparation among the CN101762976B carries out pressrun relatively, and its result sees table:
Table 1
| CN?101762976B | Embodiment 1 imaging liquid | |
| Pressrun | 3-8 ten thousand seals | 9-15 ten thousand seals |
| Dot reproduction property | 1-99% | 1-99% |
| Resolution | 250dpi | 250dpi |
Can be known that by table 1 the present invention forms images after the improvement of liquid to component, its imaging effect and existing product are suitable, and still, pressrun has improved 12.5 ~ 400%, show that the present invention's liquid that forms images has not only guaranteed imaging effect, has also significantly improved pressrun.
In sum, the present invention on the basis that has guaranteed imaging effect, has effectively improved the pressrun of imaging liquid after being modified into as components such as acid agents in the liquid, greatly practiced thrift production cost, has excellent application value.
Claims (10)
1. a thermal CTP plate material is with imaging liquid, and it is characterized in that: it has the component of following weight proportion:
Imaging liquid solute:
75-90 part film-forming resin, 2-5 part IR dyes, 5-10 part acid agent, 2-6 part crosslinking chemical, 1-2 part surfactant, 2-5 part coloring background dye;
Imaging liquid solvent:
The weight ratio of solute and solvent is (10-15): (85-90);
Said acid agent is a polyamide.
2. imaging liquid according to claim 1 is characterized in that: it has the component of following weight proportion:
Imaging liquid solute:
75 parts of film-forming resins, 2 parts of IR dyes, 5 parts of acid agents, 2 parts of crosslinking chemicals, 1 part of surfactant, 2 parts of coloring background dye;
Imaging liquid solvent:
The weight ratio of solute and solvent is 11:89.
3. thermal CTP plate material according to claim 1 and 2 is with imaging liquid, and it is characterized in that: the molecular weight of said polyamide is 1200 ~ 4000.
4. thermal CTP plate material according to claim 1 and 2 is with imaging liquid, and it is characterized in that: said film-forming resin is a linear phenol-aldehyde resin, and molecular weight is 2000 ~ 13000.
5. thermal CTP plate material according to claim 4 is with imaging liquid, and it is characterized in that: said linear phenol-aldehyde resin comprises phenol-metacresol-paracresol-formaldehyde resin, metacresol-paracresol-formaldehyde resin, metacresol-tert-butyl phenol-phenol-formaldehyde resin, metacresol-formaldehyde resin, orthoresol-formaldehyde resin, phenol-metacresol-formaldehyde resin, phenol-orthoresol-formaldehyde resin, phenol-paracresol-formaldehyde resin, phenol-tert-butyl group resinox or phenol-formaldehyde resin.
6. thermal CTP plate material according to claim 1 and 2 is with imaging liquid, and it is characterized in that: the wavelength absorption scope of said IR dyes is 810 ~ 850nm; Said crosslinking chemical is the multipolymer of methyl methacrylate and Jia Jibingxisuanyizhi, and the molecular weight of crosslinking chemical is 6800 ~ 12000; Said coloring background dye comprise methyl violet, crystal violet, malachite green, solvent blue, alkaline bright blue, Victoria's ethereal blue or indigo in one or more.
7. thermal CTP plate material according to claim 6 is with imaging liquid, and it is characterized in that: said IR dyes does
8. thermal CTP plate material according to claim 1 and 2 is with imaging liquid, and it is characterized in that: said surfactant is a siloxane, and its structural formula is following:
N=15—25。
9. thermal CTP plate material according to claim 1 and 2 is characterized in that with imaging liquid: said solvent is to contain the mixed solvent that 70-90% propylene glycol monomethyl ether and 10-30% butanone combine.
10. thermal CTP plate material according to claim 1 and 2 is characterized in that with imaging liquid: the preparation method of imaging liquid is: each solute is dissolved in the solvent, promptly gets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210355496.5A CN102841502B (en) | 2012-09-21 | 2012-09-21 | Imaging liquid for thermosensitive CTP (cytidine triphosphate) plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210355496.5A CN102841502B (en) | 2012-09-21 | 2012-09-21 | Imaging liquid for thermosensitive CTP (cytidine triphosphate) plate |
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| Publication Number | Publication Date |
|---|---|
| CN102841502A true CN102841502A (en) | 2012-12-26 |
| CN102841502B CN102841502B (en) | 2014-06-04 |
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| CN201210355496.5A Active CN102841502B (en) | 2012-09-21 | 2012-09-21 | Imaging liquid for thermosensitive CTP (cytidine triphosphate) plate |
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| CN1490667A (en) * | 2002-10-17 | 2004-04-21 | 北京师范大学 | Thermal sensitive imaging composition for direct platemaking by positive thermal sensitive computer |
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| JP2006517306A (en) * | 2003-02-11 | 2006-07-20 | アグフア−ゲヴエルト | Thermosensitive lithographic printing plate precursor |
| US20070003875A1 (en) * | 2005-06-30 | 2007-01-04 | Agfa-Gevaert | Method for preparing a lithographic printing plate precursor |
| CN101237991A (en) * | 2005-06-21 | 2008-08-06 | 爱克发印艺公司 | Infrared absorbing dye |
| CN101374675A (en) * | 2006-02-21 | 2009-02-25 | 柯尼卡美能达医疗印刷器材株式会社 | Method for manufacturing aluminum support for lithographic printing plate material, aluminum support for lithographic printing plate material, lithographic printing plate material, and method for imag |
| CN101389488A (en) * | 2006-02-28 | 2009-03-18 | 爱克发印艺公司 | A method for making a lithographic printing plate support |
| CN101389476A (en) * | 2006-02-28 | 2009-03-18 | 爱克发印艺公司 | Method for making a lithographic printing plate |
| CN101443195A (en) * | 2006-05-12 | 2009-05-27 | 爱克发印艺公司 | Method for making a lithographic printing plate |
| CN101762976A (en) * | 2009-10-30 | 2010-06-30 | 泰兴市东方实业公司 | Application of active etherate containing pyrogallol acetonide resin as heat-sensitive CTP thermo-sensitive imaging liquid of dissolution inhibitor |
| CN101790458A (en) * | 2007-08-14 | 2010-07-28 | 爱克发印艺公司 | Method for making a lithographic printing plate |
| CN102369480A (en) * | 2009-03-31 | 2012-03-07 | 东丽株式会社 | Directly imageable waterless planographic printing plate precursor and method for producing same |
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2012
- 2012-09-21 CN CN201210355496.5A patent/CN102841502B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490667A (en) * | 2002-10-17 | 2004-04-21 | 北京师范大学 | Thermal sensitive imaging composition for direct platemaking by positive thermal sensitive computer |
| JP2006517306A (en) * | 2003-02-11 | 2006-07-20 | アグフア−ゲヴエルト | Thermosensitive lithographic printing plate precursor |
| CN1546317A (en) * | 2003-12-12 | 2004-11-17 | 北京豹驰方正技术发展有限公司 | Application type positive property thermal sensitive computer direct board and process for making same |
| CN101237991A (en) * | 2005-06-21 | 2008-08-06 | 爱克发印艺公司 | Infrared absorbing dye |
| US20070003875A1 (en) * | 2005-06-30 | 2007-01-04 | Agfa-Gevaert | Method for preparing a lithographic printing plate precursor |
| CN101374675A (en) * | 2006-02-21 | 2009-02-25 | 柯尼卡美能达医疗印刷器材株式会社 | Method for manufacturing aluminum support for lithographic printing plate material, aluminum support for lithographic printing plate material, lithographic printing plate material, and method for imag |
| CN101389488A (en) * | 2006-02-28 | 2009-03-18 | 爱克发印艺公司 | A method for making a lithographic printing plate support |
| CN101389476A (en) * | 2006-02-28 | 2009-03-18 | 爱克发印艺公司 | Method for making a lithographic printing plate |
| CN101443195A (en) * | 2006-05-12 | 2009-05-27 | 爱克发印艺公司 | Method for making a lithographic printing plate |
| CN101790458A (en) * | 2007-08-14 | 2010-07-28 | 爱克发印艺公司 | Method for making a lithographic printing plate |
| CN102369480A (en) * | 2009-03-31 | 2012-03-07 | 东丽株式会社 | Directly imageable waterless planographic printing plate precursor and method for producing same |
| CN101762976A (en) * | 2009-10-30 | 2010-06-30 | 泰兴市东方实业公司 | Application of active etherate containing pyrogallol acetonide resin as heat-sensitive CTP thermo-sensitive imaging liquid of dissolution inhibitor |
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| CN102841502B (en) | 2014-06-04 |
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