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Preparation method of UV hard gloss oil suitable for Ricoh printing head

A printing head and hard light technology, applied in the field of inkjet printing, can solve the problem that the toughness of UV hard varnish is difficult to improve, and achieve the effect of no toxic side effects and reduced energy consumption

Inactive Publication Date: 2020-12-29
AOMYA DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention proposes a method for preparing UV hard varnish suitable for Ricoh printheads, which solves the problem that the toughness of the existing UV hard varnish is difficult to improve in the production process

Method used

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  • Preparation method of UV hard gloss oil suitable for Ricoh printing head

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Comparison scheme
Effect test

Embodiment 1

[0026] A kind of preparation method of UV hard varnish suitable for Ricoh printing head proposed by the present invention, described UV hard varnish is made of the following components by mass percentage: reactive monomer 40 ~ 60 leveling agent 0.3- 2%; initiator 7~12%; oligomer 6~25%; active monomer balance.

[0027] The preparation method of the above-mentioned UV hard varnish suitable for Ricoh printing head comprises the following steps:

[0028] S1: First clean a stainless steel pot, put multiple rotors in the pot, and then place it on an electronic balance, prepare the formula and confirm the kilograms of ink to be made, and calculate the weight of each component to be put in;

[0029] S2: according to the input amount of monomer and oligomer calculated in S1, first add each material in the pot, after adding, put it on a magnetic stirrer and stir for about 20-40min;

[0030] S3: After being fully mixed, add the amount of initiator that should be added, and then stir unt...

Embodiment 2

[0034] A kind of preparation method of the UV hard varnish that the present invention is suitable for Ricoh printing head, described UV hard varnish is made of the following components by mass percentage: reactive monomer 55 ~ 58 leveling agent 0.5- 0.7%; initiator 8~9%; oligomer 12~15%; active monomer balance.

[0035] S1: First clean a stainless steel pot, put multiple rotors in the pot, and then place it on an electronic balance, prepare the formula and confirm the kilograms of ink to be made, and calculate the weight of each component to be put in;

[0036] S2: according to the input amount of monomer and oligomer calculated in S1, first add each material in the pot, after adding, put it on a magnetic stirrer and stir for about 20-40min;

[0037] S3: After being fully mixed, add the amount of initiator that should be added, and then stir until evenly stirred (the sign of evenly stirred is that the liquid in the pot is in a clear state);

[0038] S4: After completion of S3...

Embodiment 3

[0041] A kind of preparation method of UV hard varnish suitable for Ricoh printing head proposed by the present invention, described UV hard varnish is made of the following components by mass percentage: reactive monomer 45 ~ 48 leveling agent 0.3- 0.5%; Initiator 7~8%; Oligomer 6~12%; Active monomer balance.

[0042] S1: First clean a stainless steel pot, put multiple rotors in the pot, and then place it on an electronic balance, prepare the formula and confirm the kilograms of ink to be made, and calculate the weight of each component to be put in;

[0043] S2: according to the input amount of monomer and oligomer calculated in S1, first add each material in the pot, after adding, put it on a magnetic stirrer and stir for about 20-40min;

[0044] S3: After being fully mixed, add the amount of initiator that should be added, and then stir until evenly stirred (the sign of evenly stirred is that the liquid in the pot is in a clear state);

[0045] S4: After completion of S3,...

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Abstract

The invention belongs to the field of ink-jet printing, particularly relates to a preparation method of UV hard gloss oil suitable for a Ricoh printing head, aims to solve the problem that the toughness of existing UV hard gloss oil is difficult to improve in the preparation process, and provides the following scheme: the UV hard gloss oil is included and is prepared from the following componentsin percentage by mass: 40-60% of a reactive monomer, 0.3-2% of a leveling agent, 7-12% of an initiator, 6-25% of an oligomer and the balance being an active monomer; the oligomer is synthesized from 17-23 parts by mass of glycidyl tertiary carboxylic ester, 20-30 parts by mass of glycidyl methacrylate, 3-8 parts by mass of methyl methacrylate, 12-18 parts by mass of butyl methacrylate and 3-8 parts by mass of butyl acrylate. While the requirements of environmental objectives are met, the energy consumption can be reduced and no toxic or side effects are generated in the manufacturing and usingprocess, and the UV hard gloss oil does not irritate the human skin, and is an environment-friendly ink.

Description

technical field [0001] The invention relates to the technical field of inkjet printing, in particular to a method for preparing UV hard varnish suitable for Ricoh print heads. Background technique [0002] Generally speaking, the UV ink is cured before it can fully penetrate, and the film layer is mainly on the surface of the printing material. The adhesion between the ink and the printing material is smaller than that of solvent-based ink, etc., and the adhesion to some printing materials is still weak. needs improvement. The pigments used in solvent-based inks and UV inks are generally the same, but the solvent of solvent-based inks is partially dissolved into the printing material, and its colorant is actually mixed with the medium rather than attached to its surface. As a result, the pigments are better protected and the graphics are more durable. The ink droplets of UV ink stay on the surface of the printing material, although better fidelity can be obtained, but its ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/30C09D11/36
CPCC09D11/30C09D11/36
Inventor 王莹宗大超齐俊杰
Owner AOMYA DIGITAL TECH CO LTD
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