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Convex-pattern type thermosensitive/photosensitive plate developing liquid and preparing method

A developer and photosensitive plate technology, applied in the printing industry, can solve problems such as difficulty in normal operation of the production process, inability to achieve compatibility in use performance, and rising costs of manufacturers, so as to achieve perfect printing plate processing, good dot reduction, and low cost. low effect

Active Publication Date: 2007-01-10
SHANGHAI SPINNING DYEING PRINTING PACKAGING +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the developer has good performance, due to its high price, the production cost increases sharply, thus slowing down the time for heat-sensitive / photosensitive plates and developers to enter the market in large quantities
[0004] In addition, an imported developer product is often only suitable for the use of its own brand of printing plates, but cannot be compatible with other brands of printing plates in terms of performance, which increases production dependence and lacks flexibility. As a result, the cost of the manufacturer has increased, and the production process is difficult to operate normally.
[0005] In addition, imported products are prone to scaling and oil pollution during and after displaying, which affects environmental protection

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0020] Raw material name ratio

[0021] Main developer 15%

[0022] Ionized water 75%

[0023] Fountain solution 7%

[0024] Protective glue 3%

[0025] Preparation:

[0026] First, at room temperature of 15°C±10°C, add 20% ionized water at a temperature of 15°C±2°C into the container; slowly add 8% main developer along the edge of the container, and mix evenly for 2-4 minutes, then continue Slowly add 30% ionized water at a temperature of 18°C±2°C along the edge of the container under stirring, and mix evenly under stirring; then slowly add 5% fountain solution along the edge of the container under stirring, and evenly adjust under stirring 2-4 minutes. Then add 25% ionized water at a temperature of 18°C±2°C, mix evenly under stirring, add 7% main developer along the edge of the container, and mix evenly under stirring for 4-7 minutes; Plate solution, mix evenly for 4-7 minutes under stirring; add 3% protective glue along the edge of the container, mix evenly for 5-8 mi...

no. 2 example

[0028] Raw material name ratio

[0029] Main developer 10%

[0030] Ionized water 83%

[0031] Fountain solution 5%

[0032] Protective glue 2%

[0033] Preparation:

[0034] First, at room temperature of 15°C±10°C, add 20% ionized water at a temperature of 15°C±2°C into the container; slowly add 5% developer main agent along the edge of the container, and mix evenly for 2-4 minutes, continue Slowly add 20% ionized water at a temperature of 18°C±2°C along the edge of the container under stirring, and mix evenly under stirring; then slowly add 3% fountain solution along the edge of the container under stirring, and evenly adjust under stirring 2-4 minutes, then add 20% ionized water with a temperature of 18°C±2°C, mix evenly under stirring, add 5% main developer along the edge of the container, and mix evenly under stirring for 4-7 minutes; along the edge of the container Add 2% dampening solution and mix it evenly for 4-7 minutes under stirring; add 2% protective glue alo...

no. 3 example

[0036] Raw material name ratio

[0037] Main developer 20%

[0038] Ionized water 73%

[0039] Fountain solution 5%

[0040] Protective glue 2%

[0041] Preparation:

[0042] First, at room temperature of 15°C±10°C, add 20% ionized water at a temperature of 15°C±2°C into the container; slowly add 10% developer main agent along the edge of the container, and mix evenly for 3-6 minutes, continue Slowly add 10% ionized water at a temperature of 18°C±2°C along the edge of the container under stirring, and mix evenly under stirring; then slowly add 3% fountain solution along the edge of the container under stirring, and evenly adjust under stirring 2-4 minutes, then add 20% ionized water with a temperature of 18°C±2°C, mix evenly under stirring, add 10% main developer along the edge of the container, and mix evenly under stirring for 4-7 minutes; Add 2% dampening solution, mix evenly for 4-7 minutes under stirring; stagnate at a temperature of 20±5°C for 1 hour, then add 2% pr...

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PUM

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Abstract

The present invention refers to a positive pattern temperature sensitive / light sensitive plate developing solution and preparation method. Said Developing solution contains 8-20 per cent developing main agent, 73-88 per cent ion water, 3-7 per cent plate moistening liquid and 1-3 per cent protection glue. The present invention has good versatility, fine mesh point reducibility, clear contrast, strong hierarchy sense, fine ink drafting quality, corrosion resistant, strong oxidation resistance, easily cleaning developing machine, and ensuring printing quality for long time.

Description

technical field [0001] The invention relates to a printing industry, in particular to a developing solution for developing positive-working thermosensitive (CTP) and photosensitive PS plates in a pre-press plate-making process and a preparation method thereof. Background technique [0002] The development of the positive PS plate is essentially the dissolution process of the photosensitive layer of the exposed part. Whether the photosensitive layer of the non-image part can be completely removed from the plate after development depends first on the solubility of the photosensitive layer to dilute lye. If the photosensitive layer is fully exposed during the printing process, the photosensitive material absorbs the energy of photons so that the number of molecules participating in the photodecomposition reaction reaches a certain number, and a good developing effect can be obtained. [0003] At present, the positive-type heat-sensitive and light-sensitive plate developers on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03C5/30G03C5/305G03C7/413
Inventor 蔡春华蔡冬勇
Owner SHANGHAI SPINNING DYEING PRINTING PACKAGING
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