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UV-LED two-piece can high-flexibility offset printing ink and preparation method thereof

A UV-LED, 1.UV-LED technology, used in inks, household appliances, applications, etc., can solve the problems of poor acid and alkali resistance, poor adhesion and flexibility, etc.

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

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problems of poor adhesion, flexibility and poor acid and alkali resistance when the existing UV-LED offset printing ink is applied to iron printing, the present invention provides a low-cost, easy-to-synthesize, good resin wetting and dispersibility, UV-LED offset printing ink with good flexibility and stretchability can meet the needs of two-piece can printing, with bright colors, excellent adhesion and flexibility

Method used

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  • UV-LED two-piece can high-flexibility offset printing ink and preparation method thereof
  • UV-LED two-piece can high-flexibility offset printing ink and preparation method thereof
  • UV-LED two-piece can high-flexibility offset printing ink and preparation method thereof

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Embodiment Construction

[0026] Below in conjunction with specific embodiment 1-4 and comparative example illustrate the concrete technical scheme of the present invention:

[0027] The offset printing ink of embodiment 1-4 adopts following preparation method, comprises the following steps:

[0028] Prepare each raw material according to the weight percentage in Table 1, first mix polyester propylene resin, UV hyperbranched polyester acrylate, acrylate monomer, polymerization inhibitor, dispersant, auxiliary agent, photoinitiator, and disperse through a high-speed mixer Until it is completely dissolved, then add pigments and fillers, stir well until it is preliminarily dispersed, and then grind it fully on a three-roller machine until the ink reaches the specified fineness.

[0029] Table 1: The weight ratio of offset printing ink in Examples 1-4

[0030]

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Abstract

The invention provides UV-LED two-piece can high-flexibility offset printing ink and a preparation method thereof. The UV-LED two-piece can high-flexibility offset printing ink comprises 15-20% of a pigment, 15-20% of polyester acrylic resin, 30-35% of UV highly branched polyester acrylic resin, 15-20% of an acrylate monomer, 5-10% of a photoinitiator, 0.5-1% of a polymerization inhibitor, 5-10% of a filler, 1-3% of a dispersant and 0.5-1% of an auxiliary agent. By adopting the UV highly branched polyester acrylic resin, the shrinkage rate of a cured film can be reduced. The polyester acrylic resin has good compatibility with the acrylate monomer, the polyester acrylic resin can be cross-linked with the UV highly branched polyester acrylic resin to form a high-molecular polymer with a three-dimensional network structure so as to realize drying and curing, and the UV-LED offset printing ink which is good in resin wetting dispersity, flexibility and stretchability is obtained. The adhesive force and flexibility of an ink film layer in metal printing can be remarkably enhanced, the printing requirement of two-piece cans can be met, the color is bright, the adhesive force and flexibility are good, and the UV-LED offset printing ink has a very good application prospect.

Description

technical field [0001] The invention belongs to the technical field of UV-LED inks, and in particular relates to a high-flexibility offset printing ink for UV-LED two-piece cans and a preparation method thereof. Background technique [0002] UV-LED offset printing ink is through the action of LED special band ultraviolet radiation, relying on the free radicals or cations formed after the photoinitiator absorbs the radiation, triggering the polymerization, crosslinking and grafting reactions of monomers and oligomers to form a crosslinked three-dimensional The high molecular weight polymer with network structure realizes drying and curing. Most UV-LED offset printing inks are composed of epoxy acrylic resin, polyurethane acrylic resin, polyester acrylic resin, acrylate monomer, photoinitiator, filler and organic pigment. Due to the incomparable advantages of traditional oil-based inks, UV-LED offset inks have attracted more and more attention from the printing industry. They...

Claims

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Application Information

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IPC IPC(8): C09D11/101C09D11/03
CPCC09D11/101C09D11/03
Inventor 包勇陈振南
Owner 中山市中益油墨涂料有限公司
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