CN106909025A - A kind of photosensitive composition for heat-sensitive positive picture CTP plate - Google Patents
A kind of photosensitive composition for heat-sensitive positive picture CTP plate Download PDFInfo
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- CN106909025A CN106909025A CN201710236604.XA CN201710236604A CN106909025A CN 106909025 A CN106909025 A CN 106909025A CN 201710236604 A CN201710236604 A CN 201710236604A CN 106909025 A CN106909025 A CN 106909025A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
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Abstract
The invention belongs to the applied technical field of optical information recording material, more particularly to a kind of photosensitive composition for heat-sensitive positive picture CTP plate, photosensitive composition includes following each component by weight：Film-forming resin：42 56 parts；Hinder molten dissolution resin：35 41 parts；IR dyes：7 11 parts；Acid agent：13 19 parts；Background dye：18 25 parts；Additive：16 31 parts；Organic solvent：80 115 parts.The present invention is by adding terpene-phenolic resin as the molten dissolution thing of resistance and the firm performance additive of suitable coating, complete the good purpose of the photosensitive composition development imaging effect after solidification, the present invention has exposure region big with non-exposed area dissolubility difference, imaging effect is good, the advantage that speed is fast and the strain resistant ability of coating is strong.
Description
Technical field
It is used for heat-sensitive positive picture CTP plate the invention belongs to the applied technical field of optical information recording material, more particularly to one kind
Photosensitive composition.
Background technology
CTP plate-making technologies are divided into photosensitive CTP plate-making technologies and the major class of thermosensitive CTP plate-making technology two, wherein thermosensitive CTP plate-making
Technology is the current most ripe, plate-making technology that most stable and printing effect is best, and it has printing quality high and can be bright
The advantage operated under room.
The main points of thermosensitive CTP technology are to utilize thermal imaging, absorb material after heat by plate during mechanical
The change that state occurs, so as to realize dissolving the purpose of mechanical imaging.The principle of mechanical technology is the molten dissolution thing of resistance in exposure region
There is chemical change in the presence of the Bronsted acid of generation, decomposition discharges the alkali solubility group such as phenolic hydroxyl group, carboxyl, it is final to cause to expose
Dissolubility of the light area with non-exposed area in alkaline-based developer produces huge difference, so as to improve the development imaging of plate
Energy.
Patent application publication number is the A of CN 102109764, Shen Qing Publication day for the Chinese invention patent of 2011.06.29 is public
A kind of convex-pattern type thermosensitive CTP plates, including substrate and coating heat-sensitive layer are on the substrate opened；The heat-sensitive layer is by following
The component composition of percentage by weight：Acrylate polymer, 45-57%；Substituted aniline fluorane, 8-12%；Thermal acid generator, 30-
40%；Hinder molten chaotropic agent, 3-5%, but in the composition of the heat-sensitive layer, using acrylate copolymer as film-forming resin, when this
Can there is plate coating and easily ftracture, be i.e. the problem of resistant to bending stresses poor performance in CTP plates when printing is bent.
Patent application publication number is the A of CN 102436144, and Shen Qing Publication day is public for the Chinese invention patent of 2012.05.02
A kind of photosensitive composition and its application in positive-printing heat-sensitive CTP plate material are opened, photosensitive composition includes resistance solvent, the solvable tree of alkali
Fat, infrared absorbing dye and background dye, described resistance solvent are polyurethane modified phenol formaldehyde resin.But in the photosensitive composition
Composition in, it is polyurethane modified phenol formaldehyde resin to hinder molten dissolution thing, wherein polyurethane modified phenol formaldehyde resin at non-exposed area, by
There is the phenolic hydroxyl group of opening in it, therefore the development imaging moiety that should not be dissolved in alkaline-based developer originally can also occur one
Determine the dissolving of degree, ultimately cause imaging effect it is poor, influence printed resolution problem.
Patent application publication number is the A of CN 103885286, Shen Qing Publication day for the Chinese invention patent of 2014.06.25 is public
A kind of positive heat-sensitive photosensitive composition is opened, composition includes phenolic resin, the solvable solvent resistant acrylic resin of alkali, sulfonamide first
Urea formaldehyde, infrared absorbing dye, background dye and the molten chaotropic agent of resistance etc..But in the photosensitive composition, there is mechanical effect
Difference, in alkaline-based developer, development imaging area is not big enough with the dissolubility difference of non-imaged area, easily causes non-imaged area coating
The problem of residual, largely effects on follow-up printing operation, causes certain printing stain.
The content of the invention
It is an object of the invention to provide a kind of photosensitive composition for heat-sensitive positive picture CTP plate, it can be by adding terpene phenol
Resin completes the photosensitive composition after solidification and develops to picture as molten dissolution thing and the firm performance additive of suitable coating is hindered
The good purpose of effect, the present invention has exposure region and non-exposed area dissolubility difference big, and imaging effect is good, and speed is fast and coating
The strong advantage of strain resistant ability.
The present invention solves the problems, such as prior art and reaches above-mentioned purpose and adopt the technical scheme that：One kind is used for
The photosensitive composition of heat-sensitive positive picture CTP plate, photosensitive composition includes following each component by weight：Film-forming resin：42-56
Part；Hinder molten dissolution resin：35-41 parts；IR dyes：7-11 parts；Acid agent：13-19 parts；Background dye：18-25 parts；Addition
Agent：16-31 parts；Organic solvent：80-115 parts.
Wherein mixed photosensitive composition, i.e., in coated coating, in alkali after film-forming resin and the molten dissolution resin crosslinks of resistance
Property environment in solubility be very low, after exposure region receives infrared laser exposure, IR dyes absorb infrared energy
And heat production, acid agent generation Bronsted acid is caused first, next to that hindering molten dissolution resin in the presence of Bronsted acid, ehter bond occurs disconnected
Split, phenolic hydroxyl group deprotection is simultaneously exposed so that the molten dissolution resin of resistance from hindering molten state to dissolution state, followed by with film forming tree
Steatolysis except crosslinking and be dissolved in alkaline-based developer together, finally develop to picture in non-exposed area, exactly because exposure region with it is non-
The greatest differences of exposure region coating solubility so that imaging is very clear, to facilitate follow-up printing operation.
Further preferred technical scheme is：The molten dissolution resin of resistance is nopinene phenolic resin, and structural formula is：
Wherein n is the integer between 12-35.
Hinder molten dissolution thing nopinene phenolic resin and belong to terpene resin, formed with Phenol Polymerization by nopinene, compared to existing
There is the etherate of the phenolic resin used in technology：
Wherein phenolic resin etherate just had the phenolic hydroxyl group of sub-fraction deprotection before mechanical operation in resin long-chain,
So that the coating of non-exposed area is in alkaline-based developer, with certain solubility, influence develops to the effect of picture so that originally
Should insoluble imaging moiety there is a problem of that dissolving is damaged, and in the present invention, before exposure, all of phenolic hydroxyl group is all with ether
The form of key is present in resin long-chain, i.e., do not have the phenolic hydroxyl group of deprotection in long-chain, controls the dissolution degree of non-exposed area, protects
Card imaging effect.
In the present invention, in exposing operation and in the presence of acid agent, ehter bond above-mentioned nopinene phenolic resin occurs
Fracture, phenolic hydroxyl group deprotection, and phenolic hydroxyl group is easy to dissolving in alkaline environment, so that hindering molten dissolution resin and film forming
Resin dissolves, and exposes aluminium base, and in printing, undissolved imaging moiety oleophylic is infected with ink, and aluminium base is hydrophilic, reaches
Alkalescence printing after to ink-water balance, then with printing effect is good, high resolution the characteristics of.
Further preferred technical scheme is：The additive includes following each component by weight：Coating is promoted
Agent：2-5 parts；Development accelerant：7-10 parts；Adhesiving reinforcing agent：4-7 parts；Sensitizer：3-9 parts.
In the present invention, coating promoting agent and adhesiving reinforcing agent be used to ensureing condensation effect of the coating on aluminium base and
Adhesion effect so that the characteristics of coating has condensation and adhesive strength all high.On the other hand, development accelerant and sensitizer
All be used to improve exposure effect, coordinate IR dyes so that IR dyes absorb the effect of infrared laser more preferably, so could incite somebody to action
Luminous energy is converted into enough heat energy, with each process for carrying out follow-up product acid, ether bond rupture and exposure region dissolve.
Further preferred technical scheme is：The coating promoting agent is triphenyltin, N- acryloyl morpholines and poly- third
The self-drying type nano particle that alkene is obtained after being dissolved in isopropanol.
In the present invention, triphenyltin belongs to metallorganic class, and N- acryloyl morpholines are the excellent modified of resins synthesis
Agent, rear heat drying lumps during both are dissolved in isopropanol with the rudimentary hydro carbons of unification, then the particle for being ground to Nano grade, you can
It is added in the solvent in photosensitive composition and uses.
Further preferred technical scheme is：The development accelerant is kodalk；The adhesiving reinforcing agent is two
The heating mixture of ethene triamine and ethanedioic acid；The sensitizer is thiocyanic acid gold ammonium.
Further preferred technical scheme is：The film-forming resin is phenol-australol-formaldehyde resin, institute
It is flower cyanines system infrared absorbing dye to state IR dyes.
In the present invention, film-forming resin is different from existing simple phenolic resin, using the phenol-australol-
The coating that formaldehyde resin is made, when printing is wound, because it has preferable resistance to stress ability, coating is not susceptible to out
The problem split, finally ensures printing effect.
Further preferred technical scheme is：The acid agent is trichloromethyl triaizine compounds, the background dye
It is alkaline bright blue and phthalocyanine blue.
Further preferred technical scheme is：The organic solvent is that dihydroxypropane single-ether, MEK and methyl are different
Butyl ketone.
Further preferred technical scheme is：The percentage by weight of diethylenetriamine is more than in the adhesiving reinforcing agent
62%。
Further preferred technical scheme is：In the mixture of the organic solvent, the MEK of ketone and
The weight percent of total of methyl iso-butyl ketone (MIBK) is more than 78%.
The present invention is completed by adding terpene-phenolic resin as molten dissolution thing and the firm performance additive of suitable coating is hindered
The photosensitive composition development good purpose of imaging effect after solidification, the present invention has exposure region and non-exposed area dissolubility difference
Greatly, imaging effect is good, the advantage that speed is fast and the strain resistant ability of coating is strong.
Specific embodiment
As described below is only presently preferred embodiments of the present invention, non-that the scope of the present invention is defined.
Embodiment 1：A kind of photosensitive composition for heat-sensitive positive picture CTP plate, including following each component by weight：Benzene
Phenol-australol-formaldehyde resin 42kg, nopinene phenolic resin 35kg, thiocarbohydrazone mercury complex salt（The infrared suction of Hua Jing systems
Receive dyestuff）7kg, trichloromethyl triaizine compounds（Acid agent）13kg, alkaline bright blue 18kg, additive 16kg and organic solvent
80kg。
Wherein nopinene phenolic resin is 22 polymers of resin monomer, and molecular weight is more than 8500, and the addition of 16kg
Agent includes coating promoting agent 2kg, kodalk（Development accelerant）7kg, adhesiving reinforcing agent 4kg, thiocyanic acid gold ammonium（Sensitizer）
3kg.Last organic solvent 80kg includes MEK 35kg, methyl iso-butyl ketone (MIBK) 32kg and dihydroxypropane single-ether 13kg.
And above-mentioned coating promoting agent then for triphenyltin, N- acryloyl morpholines, polypropylene and isopropanol with 3.5:1:1：4.5
Ratio mixing after heat drying lump and grind to form nano particle, as coating promoting agent, on the other hand, adhesiving reinforcing agent
Components by weight percent is：Diethylenetriamine is 2 than upper ethanedioic acid weight ratio:1, both are thoroughly mixed.
In the present embodiment, the thiocarbohydrazone mercury complex salt of relative indissoluble and alkaline bright blue are first dissolved in ether ketone mixture
Organic solvent, after after thoroughly dissolving, adds phenol-australol-formaldehyde resin, nopinene phenolic resin, three chloromethanes
Base triaizine compounds and additive, are then filtered with the filter core in 1.2 μm of apertures, just obtain the coating of photosensitive composition
Liquid.
Embodiment 2：A kind of photosensitive composition for heat-sensitive positive picture CTP plate, including following each component by weight：Benzene
Phenol-australol-formaldehyde resin 45kg, nopinene phenolic resin 37kg, thiocarbohydrazone mercury complex salt（The infrared suction of Hua Jing systems
Receive dyestuff）8kg, trichloromethyl triaizine compounds（Acid agent）15kg, alkaline bright blue 20kg, additive 20kg and organic solvent
88kg。
Wherein nopinene phenolic resin is 25 polymers of resin monomer, and molecular weight is more than 10000, and the addition of 20kg
Agent includes coating promoting agent 3kg, kodalk（Development accelerant）8kg, adhesiving reinforcing agent 5kg, thiocyanic acid gold ammonium（Sensitizer）
4kg.Last organic solvent 88kg includes MEK 38kg, methyl iso-butyl ketone (MIBK) 35kg and dihydroxypropane single-ether 15kg.
And above-mentioned coating promoting agent then for triphenyltin, N- acryloyl morpholines, polypropylene and isopropanol with 3.5:1:1：4.5
Ratio mixing after heat drying lump and grind to form nano particle, as coating promoting agent, on the other hand, adhesiving reinforcing agent
Components by weight percent is：Diethylenetriamine is 5 than upper ethanedioic acid weight ratio:2, both are thoroughly mixed.
In the present embodiment, the thiocarbohydrazone mercury complex salt of relative indissoluble and alkaline bright blue are first dissolved in ether ketone mixture
Organic solvent, after after thoroughly dissolving, adds phenol-australol-formaldehyde resin, nopinene phenolic resin, three chloromethanes
Base triaizine compounds and additive, are then filtered with the filter core in 1.2 μm of apertures, just obtain the coating of photosensitive composition
Liquid.
Embodiment 3：A kind of photosensitive composition for heat-sensitive positive picture CTP plate, including following each component by weight：Benzene
Phenol-australol-formaldehyde resin 48kg, nopinene phenolic resin 38kg, thiocarbohydrazone mercury complex salt（The infrared suction of Hua Jing systems
Receive dyestuff）9kg, trichloromethyl triaizine compounds（Acid agent）16kg, alkaline bright blue 22kg, additive 24kg and organic solvent
100kg。
Wherein nopinene phenolic resin is 28 polymers of resin monomer, and molecular weight is more than 11000, and the addition of 24kg
Agent includes coating promoting agent 4kg, kodalk（Development accelerant）9kg, adhesiving reinforcing agent 6kg, thiocyanic acid gold ammonium（Sensitizer）
5kg.Last organic solvent 100kg includes MEK 42kg, methyl iso-butyl ketone (MIBK) 39kg and dihydroxypropane single-ether 19kg.
And above-mentioned coating promoting agent then for triphenyltin, N- acryloyl morpholines, polypropylene and isopropanol with 3.5:1:1：4.5
Ratio mixing after heat drying lump and grind to form nano particle, as coating promoting agent, on the other hand, adhesiving reinforcing agent
Components by weight percent is：Diethylenetriamine is 3 than upper ethanedioic acid weight ratio:1, both are thoroughly mixed.
In the present embodiment, the thiocarbohydrazone mercury complex salt of relative indissoluble and alkaline bright blue are first dissolved in ether ketone mixture
Organic solvent, after after thoroughly dissolving, adds phenol-australol-formaldehyde resin, nopinene phenolic resin, three chloromethanes
Base triaizine compounds and additive, are then filtered with the filter core in 1.2 μm of apertures, just obtain the coating of photosensitive composition
Liquid.
Embodiment 4：A kind of photosensitive composition for heat-sensitive positive picture CTP plate, including following each component by weight：Benzene
Phenol-australol-formaldehyde resin 51kg, nopinene phenolic resin 39kg, thiocarbohydrazone mercury complex salt（The infrared suction of Hua Jing systems
Receive dyestuff）10kg, trichloromethyl triaizine compounds（Acid agent）17kg, alkaline bright blue 23kg, additive 28kg and organic molten
Agent 110kg.
Wherein nopinene phenolic resin is 32 polymers of resin monomer, and molecular weight is more than 13000, and the addition of 28kg
Agent includes coating promoting agent 5kg, kodalk（Development accelerant）10kg, adhesiving reinforcing agent 7kg, thiocyanic acid gold ammonium（Sensitizer）
6kg.Last organic solvent 110kg includes MEK 46kg, methyl iso-butyl ketone (MIBK) 42kg and dihydroxypropane single-ether 22kg.
And above-mentioned coating promoting agent then for triphenyltin, N- acryloyl morpholines, polypropylene and isopropanol with 3.5:1:1：4.5
Ratio mixing after heat drying lump and grind to form nano particle, as coating promoting agent, on the other hand, adhesiving reinforcing agent
Components by weight percent is：Diethylenetriamine is 7 than upper ethanedioic acid weight ratio:2, both are thoroughly mixed.
In the present embodiment, the thiocarbohydrazone mercury complex salt of relative indissoluble and alkaline bright blue are first dissolved in ether ketone mixture
Organic solvent, after after thoroughly dissolving, adds phenol-australol-formaldehyde resin, nopinene phenolic resin, three chloromethanes
Base triaizine compounds and additive, are then filtered with the filter core in 1.2 μm of apertures, just obtain the coating of photosensitive composition
Liquid.
Embodiment 5：A kind of photosensitive composition for heat-sensitive positive picture CTP plate, including following each component by weight：Benzene
Phenol-australol-formaldehyde resin 56kg, nopinene phenolic resin 41kg, thiocarbohydrazone mercury complex salt（The infrared suction of Hua Jing systems
Receive dyestuff）11kg, trichloromethyl triaizine compounds（Acid agent）19kg, alkaline bright blue 25kg, additive 31kg and organic molten
Agent 115kg.
Wherein nopinene phenolic resin is 35 polymers of resin monomer, and molecular weight is more than 14000, and the addition of 31kg
Agent includes coating promoting agent 6kg, kodalk（Development accelerant）11kg, adhesiving reinforcing agent 8kg, thiocyanic acid gold ammonium（Sensitizer）
6kg.Last organic solvent 115kg includes MEK 48kg, methyl iso-butyl ketone (MIBK) 44kg and dihydroxypropane single-ether 23kg.
And above-mentioned coating promoting agent then for triphenyltin, N- acryloyl morpholines, polypropylene and isopropanol with 3.5:1:1：4.5
Ratio mixing after heat drying lump and grind to form nano particle, as coating promoting agent, on the other hand, adhesiving reinforcing agent
Components by weight percent is：Diethylenetriamine is 4 than upper ethanedioic acid weight ratio:1, both are thoroughly mixed.
In the present embodiment, the thiocarbohydrazone mercury complex salt of relative indissoluble and alkaline bright blue are first dissolved in ether ketone mixture
Organic solvent, after after thoroughly dissolving, adds phenol-australol-formaldehyde resin, nopinene phenolic resin, three chloromethanes
Base triaizine compounds and additive, are then filtered with the filter core in 1.2 μm of apertures, just obtain the coating of photosensitive composition
Liquid.
Painting feed liquid in above-mentioned five embodiments is respectively coated on aluminium base, with alkaline-based developer TPD at 24 DEG C
Development 30 seconds, carries out the test of sensitivity and development latitude project, as a result as follows：
As shown above, embodiment 1-5 is preferable in terms of development latitude, heat sensitivity and dot reproduction rate, can be very well
Ground meets routine use, fast with image taking speed, and the characteristics of strain resistant ability is strong during bending printing, this is in terms of press resistance rate with regard to energy
Embody.
Embodiments of the present invention are explained in detail above, but the invention is not restricted to above-mentioned implementation method, in institute
State in the ken that technical field those of ordinary skill possesses, can also be made on the premise of present inventive concept is not departed from
Various modifications.These are all without creative modification, as long as being all subject to Patent Law in scope of the presently claimed invention
Protection.
Claims (10)
1. a kind of photosensitive composition for heat-sensitive positive picture CTP plate, it is characterised in that photosensitive composition include by weight with
Lower each component：
Film-forming resin：42-56 parts；
Hinder molten dissolution resin：35-41 parts；
IR dyes：7-11 parts；
Acid agent：13-19 parts；
Background dye：18-25 parts；
Additive：16-31 parts；
Organic solvent：80-115 parts.
2. a kind of photosensitive composition for heat-sensitive positive picture CTP plate according to claim 1, it is characterised in that the resistance
Molten dissolution resin is nopinene phenolic resin, and structural formula is：
Wherein n is the integer between 12-35.
3. a kind of photosensitive composition for heat-sensitive positive picture CTP plate according to claim 1, it is characterised in that described to add
Plus agent includes following each component by weight：
Coating promoting agent：2-5 parts；
Development accelerant：7-10 parts；
Adhesiving reinforcing agent：4-7 parts；
Sensitizer：3-9 parts.
4. a kind of photosensitive composition for heat-sensitive positive picture CTP plate according to claim 3, it is characterised in that the painting
Layer promoting agent is the self-drying type nano particle obtained after triphenyltin, N- acryloyl morpholines and polypropylene dissolve in isopropanol.
5. a kind of photosensitive composition for heat-sensitive positive picture CTP plate according to claim 3, it is characterised in that described aobvious
Shadow accelerator is kodalk；The adhesiving reinforcing agent is the heating mixture of diethylenetriamine and ethanedioic acid；The sensitizer
It is thiocyanic acid gold ammonium.
6. a kind of photosensitive composition for heat-sensitive positive picture CTP plate according to claim 1, it is characterised in that it is described into
Film resin is phenol-australol-formaldehyde resin, and the IR dyes are flower cyanines system infrared absorbing dye.
7. a kind of photosensitive composition for heat-sensitive positive picture CTP plate according to claim 1, it is characterised in that the product
Sour agent is trichloromethyl triaizine compounds, and the background dye is alkaline bright blue and phthalocyanine blue.
8. a kind of photosensitive composition for heat-sensitive positive picture CTP plate according to claim 1, it is characterised in that described to have
Machine solvent is dihydroxypropane single-ether, MEK and methyl iso-butyl ketone (MIBK).
9. a kind of photosensitive composition for heat-sensitive positive picture CTP plate according to claim 5, it is characterised in that described viscous
The percentage by weight for closing diethylenetriamine in reinforcing agent is more than 62%.
10. a kind of photosensitive composition for heat-sensitive positive picture CTP plate according to claim 8, it is characterised in that described to have
In the mixture of machine solvent, the MEK of ketone and the weight percent of total of methyl iso-butyl ketone (MIBK) are more than 78%.
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| CN201710236604.XA CN106909025B (en) | 2017-04-12 | 2017-04-12 | Photosensitive composition for heat-sensitive positive image CTP plate |
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| CN201710236604.XA CN106909025B (en) | 2017-04-12 | 2017-04-12 | Photosensitive composition for heat-sensitive positive image CTP plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187605A (en) * | 2019-05-23 | 2019-08-30 | 海宁市速美工贸有限公司 | Coating is imaged in heat-sensitive CTP plate |
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| US20080286694A1 (en) * | 2007-05-15 | 2008-11-20 | Yisong Yu | Method to obtain a positive-working thermal lithographic printing master |
| CN102436144A (en) * | 2011-12-30 | 2012-05-02 | 乐凯华光印刷科技有限公司 | Photosensitive composition and application thereof in positive thermosensitive CTP (computer to plate) plate |
| CN102540728A (en) * | 2010-12-30 | 2012-07-04 | 乐凯华光印刷科技有限公司 | Positive image thermosensitive lithographic printing plate |
| CN104423713A (en) * | 2013-09-09 | 2015-03-18 | 昭和电工株式会社 | Method for manufacturing image display device, and image display device manufactured therethrough |
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|---|---|---|---|---|
| CN101006393A (en) * | 2005-05-11 | 2007-07-25 | 凸版印刷株式会社 | Alkali development-type photosensitive resin composition, substrate with protrusions for liquid crystal split orientational control and color filter formed using the same, and liquid crystal display d |
| US20080286694A1 (en) * | 2007-05-15 | 2008-11-20 | Yisong Yu | Method to obtain a positive-working thermal lithographic printing master |
| CN102540728A (en) * | 2010-12-30 | 2012-07-04 | 乐凯华光印刷科技有限公司 | Positive image thermosensitive lithographic printing plate |
| CN102436144A (en) * | 2011-12-30 | 2012-05-02 | 乐凯华光印刷科技有限公司 | Photosensitive composition and application thereof in positive thermosensitive CTP (computer to plate) plate |
| CN104423713A (en) * | 2013-09-09 | 2015-03-18 | 昭和电工株式会社 | Method for manufacturing image display device, and image display device manufactured therethrough |
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| CN110187605A (en) * | 2019-05-23 | 2019-08-30 | 海宁市速美工贸有限公司 | Coating is imaged in heat-sensitive CTP plate |
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| CN106909025B (en) | 2020-06-26 |
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