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Printing ink cleaning agent and preparation method thereof

A printing ink and cleaning agent technology, applied in the field of printing ink cleaning agent and its preparation, can solve the problems of easy demulsification, poor stability, poor decontamination ability, etc., and achieve the effect of easy cleaning and removal

Inactive Publication Date: 2019-04-05
雷洪西
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a cleaning agent for printing ink and its preparation method in view of the poor decontamination ability of current ink cleaning agents and poor stability caused by easy demulsification

Method used

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Examples

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Effect test

preparation example Construction

[0030] The preparation method of the reaction monomer is: take dimethylolpropionic acid and add N,N-dimethylformamide at a mass ratio of 3~7:10~30, add pyridine 1~3 times the mass of dimethylolpropionic acid Acid chloride activator with 3~7 times the mass of dimethylol propionic acid, stirred and mixed at 20~25°C for 30~60min, then heated to 40~50°C, stirred and mixed for 2~5h, cooled to room temperature to obtain the cooled product, Chloroform was added to the cooling material at a mass ratio of 2~5:10~15, the pH was adjusted to 3~5, washed with saturated brine, dried, and rotary evaporated, and the residue of rotary evaporation was collected to obtain the reaction monomer.

[0031] The preparation method of the coating additive is: take the polyimide and add chloroform at a mass ratio of 2~5:30~40, then add triethylamine with 5~10% of the polyimide mass, and stir and mix at 0~5°C 20~40min to get the stirred mixture, take the stirred mixture and add the reaction monomer accor...

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PUM

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Abstract

The invention relates to a printing ink cleaning agent and a preparation method thereof, and belongs to the technical field of printing cleaning. According to the cleaning agent, ink molecules can bedissolved, packaged and dispersed in water by packaging additives to form reverse micelle nano-capsules, so that cleaning and removing are facilitated. Surface active additives are added to introducelong-chain fatty primary amine to serve as a hydrophobic and lipophilic group to form a spatial network structure, adhesive ink molecules are rapidly dispersed in the water by a hydrophilic group anddesorbed, contact interfaces among the hydrophilic group and the packaged ink molecules are effectively spread and wetted, and cleaning efficiency is improved. The contact speed between the hydrophilic group and the ink cleaning agent is reduced by emulsifying and stabilizing the additives in the cleaning process, and demulsification is prevented. Mineral oil groups and solubilizing solvents are introduced, ink is effectively softened and dissolved, and decontamination efficiency is improved. The ink cleaning agent solves the problem that a current ink cleaning agent is poof in decontaminationability, and stability is poor as demulsification is easily generated.

Description

technical field [0001] The invention belongs to the technical field of printing cleaning, and in particular relates to a printing ink cleaning agent and a preparation method thereof. Background technique [0002] Printing is a technology that transfers the ink to the surface of paper, textiles, plastics, leather and other materials through plate-making, ink application, and pressurization of original manuscripts such as text, pictures, photos, and anti-counterfeiting, and reproduces the contents of the original manuscripts in batches. Printed oil, namely ink, is an important material for printing. Patterns and characters are displayed on the substrate by printing or inkjet painting. The ink includes main components and auxiliary components, which are uniformly mixed and rolled repeatedly to form a viscous colloidal fluid. It is composed of resin, pigment, filler additives and solvent. It is used for various printing of books, including decoration, architectural decoration ...

Claims

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Application Information

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IPC IPC(8): C09D9/04
CPCC09D9/04C09D9/005
Inventor 雷洪西路芸钱丽琴
Owner 雷洪西