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Radiation curing composition containing modified pigment and application of composition

A technology of radiation curing and compounds, which is applied in the field of pigments and inks, radiation curing, and can solve problems such as lack of solutions

Inactive Publication Date: 2019-10-08
CHANGZHOU GREEN PHOTOSENSITIVE MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of these prior art focuses on whether the ink on the engraving cylinder is easy to wipe, the appearance of the printed product, the adhesion fastness, wear resistance, weather resistance, etc., and how to improve the storage stability of the ink and improve the production efficiency. Involved, but also lack of effective solutions

Method used

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  • Radiation curing composition containing modified pigment and application of composition
  • Radiation curing composition containing modified pigment and application of composition
  • Radiation curing composition containing modified pigment and application of composition

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Experimental program
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Embodiment Construction

[0074] The present invention will be described in further detail below in conjunction with specific examples, but they should not be construed as limiting the protection scope of the present invention.

[0075] 1. Preparation of modified pigments

[0076] (1) Inorganic modified pigments

[0077] After drying carbon black a-1 (manufactured by Mitsubishi Chemical Corporation, MA100) at 60-70° C. for 3 h, it was ground in a mortar until the average particle size was about 0.3 μm. Subsequently, 100 g of carbon black was weighed and added to a 1 L flask, and 800 ml of deionized water was added, stirred and ultrasonically dispersed to form a uniform suspension.

[0078] Heat the suspension in a constant temperature water bath and stabilize it at about 65°C, and adjust the pH value to 9.

[0079] Weigh 11.8g Na 2 SiO 3 9H 2 O was dissolved in 110ml of water to make a solution, slowly added dropwise to the flask, stirred at a constant speed, and at the same time, 10% hydrochloric...

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PUM

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Abstract

The invention discloses a modified pigment for radiation curing gravure ink. The pigment comprises a pigment and inorganic oxide nanoparticles coated on the surface of the pigment, wherein the DBP oilabsorption amount is 150-250ml / 100 g, the particle diameter is 0.01-1um, and the pH value is 4.5-10. The radiation curing gravure ink using the modified pigment does not need to use any volatile organic solvent, the storage stability of the ink is obviously improved under the condition of ensuring good appearance, excellent adhesive force and no odor of the printed matter, and the ink shows excellent curing speed.

Description

technical field [0001] The invention belongs to the technical field of radiation curing, pigments and inks, and in particular relates to a modified pigment for radiation curing gravure ink and its application. Background technique [0002] Gravure ink, also called gravure liquid ink, is a colored colloidal dispersion system, which can be coated on the substrate by appropriate printing methods to make it present text patterns and various colors. [0003] Gravure printing inks are mostly volatile solvent-based inks, which are composed of pigments, solid resins, volatile solvents, fillers and additives. With the strengthening of people's awareness of environmental protection and energy saving, relatively "green" inks such as water-based inks, light-curable inks, and electron beam inks have gradually developed and gradually replaced solvent inks. For example, Chinese patent applications with application numbers 200580017917.1, 201510267026.7, and 201510994588.1, and US patent a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/037C09D11/101
CPCC09D11/037C09D11/101C09D11/03C09D11/102
Inventor 钱彬杨金梁严春霞
Owner CHANGZHOU GREEN PHOTOSENSITIVE MATERIALS CO LTD