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UV inkjet color paste and preparation method and application thereof

A colorant and inkjet technology, applied in the field of UV inkjet colorant preparation, can solve the problems of poor long-term stability and high viscosity of UV inkjet colorant

Active Publication Date: 2017-09-12
杭华油墨股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the purpose of the present invention is to provide a UV inkjet color paste with good dispersibility and high stability, which solves the problems of high viscosity and poor long-term stability of UV inkjet color paste in the prior art.

Method used

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  • UV inkjet color paste and preparation method and application thereof
  • UV inkjet color paste and preparation method and application thereof
  • UV inkjet color paste and preparation method and application thereof

Examples

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preparation example Construction

[0034] The present invention also provides a preparation method for the UV inkjet color paste described in the above technical solution, comprising the following steps:

[0035] (1) Grinding after mixing UV monomer, hyperdispersant, carbon black and zirconium beads to obtain a mixed material;

[0036] (2) Filter the mixed material obtained in the step (1) through a filter element to obtain UV inkjet color paste.

[0037] In the present invention, the UV monomer, hyperdispersant, carbon black and zirconium beads are mixed and then ground to obtain a mixed material; the present invention does not have any special restrictions on the order of adding the UV monomer, hyperdispersant, carbon black and zirconium beads , the order of adding the mixture well known to those skilled in the art can be adopted; in the embodiment of the present invention, it is preferred to mix the UV monomer, hyperdispersant and carbon black first, and then add the zirconium beads.

[0038] In the present...

Embodiment 1

[0051] Put UV monomer tetrahydrofuran acrylate: 40 parts, PRINTEX45: 9 parts, TILO-7000: 2 parts, TILO-5007: 1 part in a glass bottle, add zirconium beads with a particle size of 0.1 mm and disperse it quickly for 0.5 hours. UV inkjet color paste. After inspection: the prepared UV inkjet color paste has good dispersibility and dilution, and has stable performance through the aging test. The viscosity of the color paste is 9.4cp, the surface tension is 35.2mN / m, and the average particle size is 135nm.

Embodiment 2

[0053] Put UV monomer tetrahydrofuran acrylate: 40 parts, PRINTEX45: 9 parts, TILO-7000: 2 parts, TILO-5007: 1 part in a glass bottle, add zirconium beads with a particle size of 0.3mm and disperse it quickly for 1 hour. UV inkjet color paste. After inspection: the prepared UV inkjet color paste has good dispersibility and dilution, and has stable performance through the aging test. The viscosity of the color paste is 9.6cp, the surface tension is 35.5mN / m, and the average particle size is 138nm.

[0054] The UV ink-jet color paste that embodiment 2 makes carries out aging time-lapse follow-up test, and the result is as follows: figure 2 As shown, it shows that the UV inkjet color paste prepared in Example 2 is stable through the aging test.

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Abstract

The invention provides a UV inkjet color paste which is prepared from the following components in parts by weight: 40-60 parts of UV monomer, 2-4 parts of hyperdispersant and 5-15 parts of carbon black, wherein the particle size of the UV inkjet color paste is less than 1mu m; the carbon black is easily dispersed; a molecular structure of the hyperdispersant is divided into two parts, one part is an anchoring group, and the other part is a solvation chain; through adsorption of the carbon black by the anchoring group and extension of the solvation chain in the monomer, the carbon black is fully dispersed in the UV monomer. According to the UV inkjet color paste provided by the invention, the components generate a synergistic effect; the provided UV inkjet color paste is of a uniform hue; after the UV inkjet color paste is placed in a gradual aging test environment for a long time, the viscosity and the particle size are not changed obviously; the dispersity and the dilutability are high; the properties such as color paste viscosity and surface tension are good; the data of an embodiment indicates that minimum viscosity of the UV inkjet color paste is 5-6cp, the surface tension is 35.2-38.9mN / m, and the average particle size is 123-146nm.

Description

technical field [0001] The invention relates to the technical field of UV inkjet printing, in particular to a UV inkjet color paste, a preparation method and an application thereof. Background technique [0002] With the development of printing technology, inkjet printing technology is more and more widely used in the market due to its advantages of digitization, personalization and flexibility. Inkjet printing technology can realize various printing methods such as on-demand printing, off-site printing, instant printing, and variable printing, which is a major development trend in the printing industry at present. [0003] Among them, UV inkjet printing technology is an important part of inkjet printing technology. It combines inkjet printing technology with UV light curing technology to achieve instant drying during printing. Moreover, UV ink does not contain volatile components, and all of them participate in the curing and crosslinking process, which also meets the cur...

Claims

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Application Information

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IPC IPC(8): C09D17/00C09D11/324
CPCC09D11/324C09D17/005
Inventor 董华军贾俊乾吕翔夏剑勇
Owner 杭华油墨股份有限公司
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