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Bailer liquid

A technology of fountain solution and fountain solution, applied in the field of fountain solution, can solve the problems of long drying time of ink, easy rubbing, large loss, etc., and achieve the effects of simple method, preventing sticking and improving efficiency.

Inactive Publication Date: 2009-10-28
深圳华新彩印制版有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the embodiments of the present invention is to provide a bucket liquid, aiming at solving the problem that the drying time of the ink is too long in the process of applying the existing bucket liquid to metallic paper, pearl paper, butter paper, Monken paper, writing paper, etc. , and it is easy to rub flowers, drag dirty, and cause a lot of loss

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] In the printing process of metallic paper, pearlescent paper, and butter paper, use the bucket liquid with the following ratio to pour into the water tank of the printing machine:

[0026] 75 catties of pure water

[0027] 24 catties of isopropyl alcohol

[0028] Fountain solution 1 catties

[0029] Tested in a water tank, the test conductivity is 480us, the pH value is 7.5, and the concentration of isopropanol is 19%.

[0030] Effect: The drying time of metallic paper is 18 hours, the drying time of pearlescent paper is 12 hours, and the drying time of butter paper is 8 hours, without rubbing or dragging.

Embodiment 2

[0032] In the printing process of Monken paper and book paper, use the following ratio of bucket liquid to pour into the water tank of the printing machine:

[0033] 75 catties of pure water

[0034] 24 catties of isopropyl alcohol

[0035] Fountain solution 1 catties

[0036] Tested in a water tank, the test conductivity is 480us, the pH value is 7.4, and the concentration of isopropanol is 19%.

[0037] Effect: The drying time of Monken paper is 4 hours, and the drying time of book paper is 4 hours, and there is no rubbing, dragging and other phenomena.

Embodiment 3

[0039] In the printing process of metallic paper, pearlescent paper, and butter paper, use the bucket liquid with the following ratio to pour into the water tank of the printing machine:

[0040] Tap water 77 catties

[0041] 21 catties of isopropyl alcohol

[0042] Fountain solution 2 catties

[0043] Tested in a water tank, the test conductivity is 500us, the pH value is 7.3, and the concentration of isopropanol is 17%.

[0044] Effect: The drying time of metallic paper is 19 hours, the drying time of pearlescent paper is 13 hours, and the drying time of butter paper is 9 hours, without rubbing or dragging.

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PUM

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Abstract

The invention is suitable for the field of printing technique, and provides bailer liquid containing water 70-80 parts, isopropanol 20-30 parts and fountain solution 0.5-2 parts by mass of bailer liquid. Compared with the completed product 'soybean' printing ink, the bailer liquid provided by the invention is produced by a simple and convenient method which reduces cost and improves efficiency, at the same time the bailer liquid can quickly dry the printing ink, prevent stain, smear and set-off in the printing process of metal paper, iridescent paper, butter paper, munken paper, writing paper or the like.

Description

technical field [0001] The invention belongs to the technical field of printing, in particular to a bucket liquid. Background technique [0002] Offset printing is based on the basic principle of immiscibility of oil and water. The printed graphic part is hydrophilic and water-repellent, and the blank part is hydrophilic and ink-repellent. In the process of offset printing, excessive moisture in the layout will cause voids in the printed dots, deinking of the ink roller, dull color, blurred layers, poor texture, and slow drying speed of the imprint. If the page moisture is too small, there will be phenomena such as unclear dots, paste, and dirty plates. Therefore, in the offset printing process, how to use the bucket liquid is very critical. At present, the ratio of the bucket liquid used in the printing process is: 81-90 parts by mass of water, 8-12 parts by mass of isopropanol and 3-5 parts by mass of dampening solution. In practice, 86 parts by mass of water, 10 parts...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F7/24
Inventor 陈琳李建兵李昌盛郭迎兵
Owner 深圳华新彩印制版有限公司
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