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Preparation method of offset printing ink quick to dry

An offset printing ink, fast-drying technology, applied in ink, household utensils, applications, etc., can solve the problems of poor paper adaptability, poor paper adsorption, slow drying speed, etc., to reduce cleaning and maintenance costs, dry quickly, and not easy The effect of stacking rolls

Inactive Publication Date: 2017-01-18
CHANGZHOU YAHUAN ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention is to provide a quick-drying offset printing ink for the defects of poor abrasion resistance, poor adsorption to paper, slow drying speed and poor adaptability to paper in the offset printing ink prepared by the prior art. In the preparation method, the present invention firstly mixes konjac starch with manganese isooctanoate, n-butyl titanate, etc., and then adds it into the self-made mixed liquid for stirring and reacting, and then gels the obtained mixture sol, then dries and ball-mills it into powder to obtain titanium dioxide-containing Drier, and then use glycidyl acrylate type unsaturated polyester resin as raw material to prepare resin solution, stir and disperse it with drier, hydrogenated castor oil and other additives, and finally leave it to cool to get quick-drying offset printing Ink, titanium dioxide has photocatalytic effect, can decompose konjac starch and release heat, combined with manganese isooctanoate to achieve drying effect, matting micro-powder wax is added to the ink to make it have excellent anti-friction, anti-adhesion and stain resistance, etc. performance, the preparation process of the present invention is simple, the prepared offset printing ink has excellent wear resistance, fast drying speed, strong adhesion, good adaptability to various papers, and has broad application prospects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] First, weigh 200g of konjac starch and add it to a beaker, and then add 5g of manganese isooctanoate, 2g of calcium isooctanoate and 100mL of deionized water in turn, stir and mix for 5 minutes, then add 10g of n-butyl titanate, stir and mix for 2 minutes, and pour into the beaker Add 10mL of the mixed solution dropwise to the mixture, and control the dropping rate to 1mL / min. After the dropwise addition is completed, stir and react for 1h to obtain a mixture sol, wherein the mixed solution is glacial acetic acid and a mass fraction of 75% ethanol solution in a volume ratio of 1: 10; then the above mixture sol was left to stand at 25°C for 1 hour to gel, and then placed in an oven, dried at 80°C for 2 hours, and after it was naturally cooled to room temperature, it was placed in a ball mill for 30 minutes. , and pass through a 100-mesh sieve to collect the sieved matter, i.e. the drier, for subsequent use; then weigh 30g of glycidyl acrylate type unsaturated polyester re...

example 2

[0020] First, weigh 250g of konjac starch and add it to a beaker, and then add 7g of manganese isooctanoate, 2g of calcium isooctanoate and 150mL of deionized water in turn, stir and mix for 7 minutes, then add 15g of n-butyl titanate, stir and mix for 3 minutes, and pour into the beaker 13mL of the mixed solution was added dropwise to the mixture, and the rate of addition was controlled to be 2mL / min. After the addition was completed, the reaction was stirred for 1 hour to obtain a mixture sol, wherein the mixed solution was glacial acetic acid and a mass fraction of 75% ethanol solution in a volume ratio of 1: 10 mixed; then the above mixture sol was left to stand at 28°C for 1.5h to gel, then placed in an oven, dried at 85°C for 2h, and after it was naturally cooled to room temperature, placed in a ball mill for ball milling 35min, and pass through a 110 mesh sieve, collect the sieved material, i.e. the drier, and set aside; then weigh 35g glycidyl acrylate type unsaturated ...

example 3

[0023] First weigh 300g of konjac starch and add it to a beaker, then add 8g of manganese isooctanoate, 3g of calcium isooctanoate and 200mL of deionized water in turn, stir and mix for 8 minutes, then add 20g of n-butyl titanate, stir and mix for 4 minutes, pour into the beaker Add 15mL of the mixed solution dropwise to the mixture, and control the dropping rate to 3mL / min. After the dropwise addition is completed, stir and react for 2h to obtain a mixture sol, wherein the mixed solution is glacial acetic acid and a mass fraction of 75% ethanol solution in a volume ratio of 1: 10 mixed; then the above mixture sol was left to stand at 30°C for 2 hours to gel, then placed in an oven, dried at 90°C for 3 hours, and after it was naturally cooled to room temperature, it was placed in a ball mill and ball milled for 40 minutes , and pass through a 120-mesh sieve to collect the sieved matter, i.e. drier, for subsequent use; then weigh 40g glycidyl acrylate type unsaturated polyester ...

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PUM

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Abstract

The invention discloses a preparation method of offset printing ink quick to dry and belongs to the technical field of pin preparation. According to the preparation method, konjac starch is mixed with manganese iso-octoate, tetrabutyl titanate and the like, then the mixture is added to a prepared mixing solution for stirring reaction, then the obtained mixture sol is gelatinized and then is dried and ball-milled into powder, a titanium dioxide containing drier is obtained, then glycidyl acrylate type unsaturated polyester resin is used as a raw material to prepare a resin solution, stirring and dispersion treatment is conducted on the resin solution, the drier, hydrogenated castor oil and the like, and finally standing and cooling are performed to obtain the offset printing ink quick to dry. Titanium dioxide has a photocatalysis effect, can decompose konjac starch and release heat, then combines with the manganese iso-octoate to achieve a drying effect, and extinction micro-powder wax is added to the ink, so that the offset printing ink has excellent anti-friction, anti-adhesion and stain-resistant properties. The preparation method is simple and convenient, and the prepared offset printing ink has excellent abrasion-resisting property, high drying speed, strong in adhesion and good in paper adaptability and has a wide application prospect.

Description

technical field [0001] The invention discloses a preparation method of quick-drying offset printing ink, which belongs to the technical field of ink preparation. Background technique [0002] With the progress of the printing industry, the continuous improvement and improvement of printing technology and printing equipment, offset printing has been favored by its unique advantages, such as fast and convenient plate making, low cost, high printing quality, wide range of paper use, and large printing quantity shrinkability. Favored by printing manufacturers at home and abroad, it has developed rapidly and extensively, and then occupies a leading position in the international printing industry, and offset printing ink has also developed rapidly. [0003] As the most important printing material for information reproduction, ink should have good printability during printing. Offset printing ink is mainly composed of colored pigments (dyes, etc.), binders, fillers and additives, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/104C09D11/103C09D11/03
CPCC09D11/104C09D11/03C09D11/103
Inventor 高玉梅孟中立薛蕾
Owner CHANGZHOU YAHUAN ENVIRONMENTAL PROTECTION TECH
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