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Method for detecting drying performance change of ink

An ink and performance technology, applied in the field of ink drying performance detection, can solve the problems of pattern peeling, printing sticky dirt, unable to truly reflect the change of ink drying performance, etc., and achieve the effect of improving printing work efficiency and reducing ink consumption.

Inactive Publication Date: 2010-01-06
CHINA BANKNOTE PRINTING & MINTING
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The usual detection method is to test the dryness of the original ink before printing, and its index cannot truly reflect the change of ink drying performance during the printing process, so sometimes the ink dryness index detected by conventional methods is within the normal standard value, but In the printing process, the printed matter is dirty, and the pattern is peeled off in the next printing process, etc. due to the dryness of the ink.

Method used

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  • Method for detecting drying performance change of ink

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Embodiment Construction

[0011] Such as figure 1 As shown, the present invention is realized in this way, and it is characterized in that the emulsified ink 2 and the original ink 1 are respectively placed above the polyester base 3 with two rectangular frames, and the polyester base 3 is cushioned with For paper 4, evenly scrape emulsified ink 2 and original ink 1 into the rectangular frame from top to bottom, remove the polyester film base 3, leave ink color blocks on paper 4, put the ink color blocks into a After 20 minutes in the oven, cover the scraping paper on the ink color block, use a mechanical constant force on each ink color block in the same direction for ten times, lift the scraping paper, and observe the sticking or dirt on the scraping paper Use a colorimeter to judge ink viscousness, and compare and judge the change of drying performance of several pieces of ink when one of the condition variables is changed.

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Abstract

The invention relates to a method for detecting the drying performance change of ink, which is characterized by comprising the following steps: a plurality of kinds of ink is placed on a smooth substrate, wherein the variables of the single printing condition of the ink are changed, a plurality of rectangular frames are left on the substrate, printing stocks are padded below the substrate, the ink is placed above the rectangular frames, and a plurality of ink is uniformly scraped into the rectangular frames from top to bottom, the substrate is taken away, and a plurality of ink contrast blocks are left on the printing stocks. The invention has the advantages that firstly, the change condition of the drying performance of the ink along with the change of printing conditions can be predicted, and reference for the adjustment of the ink and the printing conditions is provided; secondly, the drying performance of the ink can be sorted so as to choose the ink with appropriate drying performance and avoid the phenomenon that the ink is pulled up from paper; and thirdly, the method consumes less ink, and detected ink can truly reflect the drying performance change of the ink in the process of printing, therefore, printing work efficiency is improved.

Description

technical field [0001] The invention relates to a method for detecting ink drying performance, in particular to a method capable of predicting ink drying performance changes caused by inks affected by various printing conditions. Background technique [0002] The drying performance control of the ink is very important. It not only affects the printing suitability of the ink on the printing machine but also directly affects the quality of the printed product. Therefore, the drying performance detection of the ink is one of the important indicators for the quality control of the ink. The usual detection method is to test the dryness of the original ink before printing, and its index cannot truly reflect the change of ink drying performance during the printing process, so sometimes the ink dryness index detected by conventional methods is within the normal standard value, but In the printing process, the printed matter is dirty, and the pattern is peeled off in the next printin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/32G01J3/46
Inventor 王勤王海江李强东华芳郭力
Owner CHINA BANKNOTE PRINTING & MINTING
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