CN104087998A - Manufacturing method of UV (Ultraviolet)-resistant developing-free digital printing CTP (Computer-To-Print) plate - Google Patents
Manufacturing method of UV (Ultraviolet)-resistant developing-free digital printing CTP (Computer-To-Print) plate Download PDFInfo
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- CN104087998A CN104087998A CN201410325801.5A CN201410325801A CN104087998A CN 104087998 A CN104087998 A CN 104087998A CN 201410325801 A CN201410325801 A CN 201410325801A CN 104087998 A CN104087998 A CN 104087998A
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Abstract
The invention relates to a manufacturing method of a UV (Ultraviolet)-resistant developing-free digital printing CTP (Computer-To-Print) plate. The CTP plate which is long in service life and UV (Ultraviolet) printing ink-resistant can be manufactured in a whole strict manufacturing process from selection of an aluminum material to surface roughness electrolytic treatment of the substrate, oxidization and hole sealing treatment, ozone sterilization treatment, and finally coating, drying and gelatinizing treatment through a serial of manufacturing treatment processes: loading pre-treatment of the substrate; surface roughness electrolytic treatment of the substrate; ash removal and washing; oxidization and hole sealing treatment; ozone sterilization treatment; coating and drying; gelatinizing treatment; and hair side treatment. As ozone sterilization, drying temperature accuracy control, control of wind direction of an oven and strict control of content of clean water are added into the manufacturing process, the conventional CTP service time is prolonged and the printing resistant ratio is high.
Description
Technical field
The present invention relates to the manufacture method of flushing-free digital printing CTP version, specially refer to a kind of manufacture method of flushing-free digital printing CTP version that can the ink of resistance to UV.
Background technology
At present; traditional CTP version is divided into thermosensitive type mostly; silver salt type, photo-polymerization type with exempt from processing type, along with technical progress; for the enhancing of environmental protection consciousness; traditional CTP sheet material print pass is several thousand to several ten thousand editions at present, and its CTP plate-making process had a great impact the CTP version life-span, so how to increase the service life; the ink of resistance to UV, increase print pass and become the problem that needs solution.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of by material selection electrolysis, coating, sealing of hole, ozone sterilization and drying and processing, can produce the manufacture method of the flushing-free digital printing CTP version of the ink of resistance to UV, long service life.
In order to solve the problems of the technologies described above, the invention provides the manufacture method of the flushing-free digital printing CTP version of a kind of resistance to UV, it comprises the steps:
Step 1: substrate material loading pre-treatment;
Take out aluminium flake base material and put on Abrollhaspel, flatten processing by least two Abrollhaspels, will after substrate leveling, it be carried out to tension force processing;
Step 2: the coarse electrolysis treatment of substrate surface;
By the base material processing of deoiling, the NaOH solution that stores 8-10% in the equipment of deoiling rinses its base material alkali/machine oil, substrate surface oil is removed, being converted into acid by alkali neutralizes, again with clear water clean, after cleaning, enter electrolyzer, base material at 25-35 DEG C of temperature by carrying out electrolysis treatment in 0.9%-1.1%H2C, 1%-3%HAC electrolytic solution, substrate surface forms Grains structure, strengthens base material top layer adsorption area;
Step 3: dedust is rinsed and processed;
After electrolysis completes, be delivered to continuously bath shower nozzle and wash, through at least three washings, by electrolysis substrate surface dedust processing, electrolysis base material is met water neutralization, and the electrolysis for the first time of electrolysis base material is dried;
Step 4: oxidation sealing of hole processing;
After electrolysis is dried, process leveling electrolysis base material by tension force, be delivered to oxidation zone, electrolysis base material at 22-25 DEG C of temperature by carrying out oxide treatment in 16-29% H SO oxidation solution, electrolysis base material forms aluminum oxide, strengthen surface abrasion resistance and hardness, after oxidation, again rinse through clear water, aluminium plate after oxide treatment dip treating in acidic solution, described acidic solution is 2-4%H2SO4 and 2-3%NaOH mixing solutions, specific conductivity is 11-14ms/cm, pH value is 5-5.5, base material is after electrolytic reaction and acidic treatment, substrate surface forms oxide film, base material is carried out to sealing of hole processing,
Step 5: ozone sterilization processing;
Base material carries out, after acidic solution dip treating sealing of hole, again rinsing by clear water, adds ozone sterilization in cleaning process in water treatment machine;
Step 6: coating is dried, gluing processing;
The base material of oxidation and electrolysis treatment is entered to baking zone, be oxidized prebake, after oven dry, again flatten processing through levelling arm and live roll, utilize spreadometer to be evenly coated with photoresists to the base material after drying, form sensitive layer, base material is coated with, coating temperature is 22-25 DEG C, humidity is 45-60, be coated with drying and processing, bake out temperature is 100-120 DEG C, after drying, form presentized printing plate, in coating drying and processing technique, in high temperature drying equipment, be provided with constant speed and falling-rate periods of drying drying mode, reach constant temperature balance by hot air circulation backing material plate face,
Step 7: hair side processing;
Open steam, inject hair side liquid, carry out rotating speed, high pressure and hydrojet and regulate, spraying hair side liquid, imports steam, then passes through hair side drying and processing, carries the flushing-free digital printing CTP version of the last resistance to UV of formation by live roll;
Step 8: feeding, cut;
By floating roll control sheet material delivered length, then cut into the CTP version of setting size by clipper;
Step 9: packaging warehouse-in;
Adopt as above after technical scheme, the present invention has following beneficial effect:
Choose the coarse electrolysis treatment-oxidation of substrate surface sealing of hole processing-ozone sterilization from aluminum material and process that last coating is dried, gluing is processed whole strict making processes and produced long service life, the CTP version of the ink of resistance to UV, owing to adding in making processes, ozone sterilization, bake out temperature are accurately controlled, baking oven wind-force move towards control and clear water content strictly control, improve traditional CT P duration of service, press resistance rate is high.
Embodiment
A manufacture method for the flushing-free digital printing CTP version of resistance to UV, it comprises the steps:
Step 1: substrate material loading pre-treatment, taking out aluminium flake base material puts on Abrollhaspel, flatten processing by two Abrollhaspels, by after substrate leveling, it being carried out to tension force processing, enter stocker machine, afterwards by high stability rectification machine, electric power starting, it is spacing that manually correction regulates correction between two parties again, regulates sensor and positioned sensor, input again plate size, base material is cut to automatic deviation correction; Step 2: the coarse electrolysis treatment of substrate surface; By the base material processing of deoiling, the NaOH solution that stores 8-10% in the equipment of deoiling rinses its base material alkali/machine oil, substrate surface oil is removed, being converted into acid by alkali neutralizes, again with clear water clean, after cleaning, enter electrolyzer, base material at 25-35 DEG C of temperature by carrying out electrolysis treatment in 0.9%-1.1%H2C, 1%-3%HAC electrolytic solution, substrate surface forms Grains structure, strengthens base material top layer adsorption area;
Step 3: dedust is rinsed and processed, after electrolysis completes, be delivered to continuously bath shower nozzle and wash, neutralize for the second time, then through washing electrolysis substrate surface dedust processing, electrolysis base material is met water neutralization, and the electrolysis for the first time of electrolysis base material is dried, step 4: high-strength abrasion-proof oxidation and sealing of hole processing, after electrolysis is dried, process leveling electrolysis base material by tension force, be delivered to oxidation zone and carry out liquid conduction, first opening oxidation power supply applies pressure and opens electric current again and open pulsed current power supply, in high-strength abrasion-proof oxide treatment, prepare oxidation solution, electrolysis base material carries out oxide treatment in the H SO oxidation solution by 16-29% concentration range under 22-25 DEG C of constant temperature, this process is circulation infeed oxidation solution, can obtain high-strength abrasion-proof oxide film by oxide treatment, electrolysis base material forms aluminum oxide, strengthen surface abrasion resistance and hardness, after oxidation, again rinse through secondary clear water, aluminium plate after oxide treatment dip treating in acidic solution, first pure water heating, add quantitative sealing of hole powder, agitation cycle, under thermostatic control, the online specific conductivity that detects, acidic solution is 2-4%H2SO4 and 2-3%NaOH mixing solutions, detection specific conductivity is 11-14ms/cm, pH value is 5-5.5, feed process box and spray the space of a whole page, carry out again hot water injection, base material is carried out to sealing of hole processing, step 5: ozone sterilization processing, base material carries out after acidic solution dip treating sealing of hole, rinses by three clear water, adds ozone sterilization in cleaning process in water treatment machine, step 6: coating is dried, gluing processing, the base material of oxidation and electrolysis treatment is entered to baking zone, be oxidized prebake, after oven dry, again flatten processing through levelling arm and live roll, discharge roller is coated with, coating temperature is 22-25 DEG C, humidity is 45-60, utilize spreadometer to be evenly coated with photoresists to the base material after drying, form sensitive layer, coating drying and processing, bake out temperature is 100-120 DEG C, after drying, form presentized printing plate, in high temperature drying equipment, be provided with constant speed and falling-rate periods of drying drying mode, reach constant temperature balance by hot air circulation backing material plate face, step 7: hair side processing, open steam, inject hair side liquid, carry out rotating speed, high pressure and hydrojet and regulate, spraying hair side liquid, imports steam, then passes through hair side drying and processing, carries the flushing-free digital printing CTP version of the last resistance to UV of formation by live roll, step 8: feeding, cut, by floating roll control sheet material delivered length, then cut into the CTP version of setting size by clipper, step 9: packaging warehouse-in, after testing, the equal conformance with standard of product all technical.
Claims (3)
1. a manufacture method for the flushing-free digital printing CTP version of resistance to UV, is characterized in that: it comprises the steps:
Step 1: substrate material loading pre-treatment;
Take out aluminium flake base material and put on Abrollhaspel, flatten processing by least two Abrollhaspels, will after substrate leveling, it be carried out to tension force processing;
Step 2: the coarse electrolysis treatment of substrate surface;
By the base material processing of deoiling, the NaOH solution that stores 8-10% in the equipment of deoiling rinses its base material alkali/machine oil, substrate surface oil is removed, being converted into acid by alkali neutralizes, again with clear water clean, after cleaning, enter electrolyzer, base material at 25-35 DEG C of temperature by carrying out electrolysis treatment in 0.9%-1.1%H2C, 1%-3%HAC electrolytic solution, substrate surface forms Grains structure, strengthens base material top layer adsorption area;
Step 3: dedust is rinsed and processed;
After electrolysis completes, be delivered to continuously bath shower nozzle and wash, through at least three washings, by electrolysis substrate surface dedust processing, electrolysis base material is met water neutralization, and the electrolysis for the first time of electrolysis base material is dried;
Step 4: oxidation sealing of hole processing;
After electrolysis is dried, process leveling electrolysis base material by tension force, be delivered to oxidation zone, electrolysis base material at 22-25 DEG C of temperature by carrying out oxide treatment in 16-29% H SO oxidation solution, electrolysis base material forms aluminum oxide, strengthen surface abrasion resistance and hardness, after oxidation, again rinse through clear water, aluminium plate after oxide treatment dip treating in acidic solution, described acidic solution is 2-4%H2SO4 and 2-3%NaOH mixing solutions, specific conductivity is 11-14ms/cm, pH value is 5-5.5, base material is after electrolytic reaction and acidic treatment, substrate surface forms oxide film, base material is carried out to sealing of hole processing,
Step 5: ozone sterilization processing;
Base material carries out, after acidic solution dip treating sealing of hole, again rinsing by clear water, adds ozone sterilization in cleaning process in water treatment machine;
Step 6: coating is dried, gluing processing;
The base material of oxidation and electrolysis treatment is entered to baking zone, be oxidized prebake, after oven dry, again flatten processing through levelling arm and live roll, utilize spreadometer to be evenly coated with photoresists to the base material after drying, form sensitive layer, be coated with drying and processing, bake out temperature is 100-120 DEG C, after drying, forms presentized printing plate;
Step 7: hair side processing;
Open steam, inject hair side liquid, carry out rotating speed, high pressure and hydrojet and regulate, spraying hair side liquid, imports steam, then passes through hair side drying and processing, carries the flushing-free digital printing CTP version of the last resistance to UV of formation by live roll;
Step 8: feeding, cut;
By floating roll control sheet material delivered length, then cut into the CTP version of setting size by clipper;
Step 9: packaging warehouse-in.
2. the manufacture method of the flushing-free digital printing CTP version of resistance to UV according to claim 1, is characterized in that: in described step 6, base material is coated with, coating temperature is 22-25 DEG C, and humidity is 45-60.
3. the manufacture method of the flushing-free digital printing CTP version of resistance to UV according to claim 1, it is characterized in that: in described step 6, in coating drying and processing technique, in high temperature drying equipment, be provided with constant speed and falling-rate periods of drying drying mode, reach constant temperature balance by hot air circulation backing material plate face.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739243A (en) * | 2016-04-22 | 2016-07-06 | 长葛市汇达感光材料有限公司 | Fabrication method of light sensitive material plate |
| CN108374190A (en) * | 2018-01-25 | 2018-08-07 | 上海宝士嘉印刷器材有限公司 | A kind of thermosensitive type CTP editions production technologies |
| CN108388083A (en) * | 2017-12-28 | 2018-08-10 | 江苏乐彩印刷材料有限公司 | A kind of manufacturing method for exempting to handle negative image CTCP editions |
| CN111002692A (en) * | 2019-12-20 | 2020-04-14 | 东莞市美盈森环保科技有限公司 | High pressrun no-rinse printing plate-making method |
| CN112080776A (en) * | 2020-09-08 | 2020-12-15 | 重庆华丰迪杰特印刷材料有限公司 | Preparation facilities of printing with exempting from to handle version |
| CN112721405A (en) * | 2021-01-28 | 2021-04-30 | 江苏乐彩印刷材料有限公司 | Manufacturing method of spraying photosensitive thermosensitive CTP plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739243A (en) * | 2016-04-22 | 2016-07-06 | 长葛市汇达感光材料有限公司 | Fabrication method of light sensitive material plate |
| CN108388083A (en) * | 2017-12-28 | 2018-08-10 | 江苏乐彩印刷材料有限公司 | A kind of manufacturing method for exempting to handle negative image CTCP editions |
| CN108374190A (en) * | 2018-01-25 | 2018-08-07 | 上海宝士嘉印刷器材有限公司 | A kind of thermosensitive type CTP editions production technologies |
| CN111002692A (en) * | 2019-12-20 | 2020-04-14 | 东莞市美盈森环保科技有限公司 | High pressrun no-rinse printing plate-making method |
| CN112080776A (en) * | 2020-09-08 | 2020-12-15 | 重庆华丰迪杰特印刷材料有限公司 | Preparation facilities of printing with exempting from to handle version |
| CN112080776B (en) * | 2020-09-08 | 2023-06-06 | 重庆华丰迪杰特印刷材料有限公司 | Preparation facilities of printing with exempting from to handle version |
| CN112721405A (en) * | 2021-01-28 | 2021-04-30 | 江苏乐彩印刷材料有限公司 | Manufacturing method of spraying photosensitive thermosensitive CTP plate |
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