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Low-migration ultraviolet curing ink and preparation method thereof

A UV light, low-migration technology, applied in ink, household utensils, applications, etc., can solve migration and other problems

Pending Publication Date: 2021-07-06
中山市中益油墨涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problem of migration phenomenon when the existing UV-LED offset printing ink is applied to the printing of food packaging materials, the present invention provides a good UV-curable ink with low migration and good printing performance

Method used

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  • Low-migration ultraviolet curing ink and preparation method thereof
  • Low-migration ultraviolet curing ink and preparation method thereof
  • Low-migration ultraviolet curing ink and preparation method thereof

Examples

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Embodiment Construction

[0024] Below in conjunction with specific embodiment 1-4 illustrate the concrete technical scheme of the present invention:

[0025] The offset printing ink of embodiment 1-4 adopts following preparation method, comprises the following steps:

[0026] Prepare the raw materials according to the weight percentage in Table 1. First, mix the UV polyester acrylic resin, DAP-A, acrylate monomer, polymerization inhibitor, dispersant, and photoinitiator evenly, and disperse them with a high-speed mixer until they are completely dissolved, and then add the pigment , Filler, fully stirred until preliminary dispersion, and then fully ground on a three-roller machine until the ink has a fineness of less than 10 microns.

[0027] Table 1: The weight ratio of ink in Examples 1-4

[0028]

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PUM

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Abstract

The invention provides low-migration ultraviolet curing ink and a preparation method thereof. The low-migration ultraviolet curing ink is prepared from 18-20% of pigment, 37-40% of UV polyester acrylic resin, 8-10% of DAP-A, 15-20% of acrylate monomer, 5-10% of a photoinitiator, 1-2% of a dispersing agent, 0.5-1% of a polymerization inhibitor and 5-10% of filler. The prepared ultraviolet curing ink has the characteristic of low migration, can meet the requirement of low-migration ink, has excellent printing performance, can be applied to food packaging materials to prevent food from being polluted by ink migration, and further ensures the body health of food consumers.

Description

technical field [0001] The invention belongs to the technical field of UV-LED inks, and in particular relates to a low-migration ultraviolet light-curable ink and a preparation method thereof. Background technique [0002] UV-LED offset printing ink is through the action of ultraviolet radiation in the special band of LED, relying on the free radicals or cations formed after the photoinitiator absorbs the radiation, triggering the polymerization of monomers and oligomers, cross-linking and grafting reactions, and forming cross-linked three-dimensional It is made of high molecular weight polymer with network structure to achieve drying and curing. Most UV-LED offset printing inks are composed of epoxy acrylic resins, polyurethane acrylic resins, polyester acrylic resins, acrylate monomers, photoinitiators, fillers, and organic pigments. Because UV-LED offset printing ink has advantages that traditional oil-based inks cannot match, it has attracted more and more attention fro...

Claims

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Application Information

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IPC IPC(8): C09D11/101C09D11/104
CPCC09D11/101C09D11/104
Inventor 包勇陈振南
Owner 中山市中益油墨涂料有限公司
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