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Light-curing printing material, method and application for forming three-dimensional pattern, and printed matter

A printing material and light-curing technology, which is applied in the field of printed matter, can solve the problems of incomplete surface curing, three-dimensional patterns are easy to fall off, and cannot have a strong three-dimensional effect, and achieve the effects of not easy to fall off and crack, realistic gloss, and strong three-dimensional effect

Active Publication Date: 2021-05-28
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to overcome the incomplete surface curing existing in the prior art, unable to form a three-dimensional pattern with strong three-dimensional effect, high gloss and realistic three-dimensional pattern on the printed matter, or the three-dimensional pattern formed on the printed matter is easy to fall off and crack easily Defects, providing photocurable printing materials and methods and applications for forming three-dimensional patterns, and printed matter

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] 40 parts by weight of mercapto polyester acrylate oligomer (functionality is 6, mercapto group content is 12% by mass), 52 parts by weight of reactive diluent (40 parts by weight of 2-phenoxyethyl acrylate, three 12 parts by weight of methylolpropane triacrylate) and 3 parts by weight of surfactant (polyether modified polydimethylsiloxane) are mixed and stirred and dissolved evenly, then add 5 parts by weight of photoinitiator (2, 4,6-trimethylbenzoyldiphenylphosphine oxide), stirred and dissolved, and then filtered to obtain a photocurable printing material.

[0048] Use a printer to print the light-curable printing material on a paper-based digital print according to the required print file, then irradiate and cure it with a UVA band ultraviolet light source (wavelength is 395nm), and use the printer to print repeatedly four times to obtain a three-dimensional pattern. Printed matter A1, the thickest part of the pattern can reach 2mm, and the formed lines are raised, ...

Embodiment 2

[0051] 25 parts by weight of mercapto polyester acrylate oligomer (functionality is 5, mercapto content is 15 mass %), 15 parts by weight of mercapto epoxy acrylate oligomer (functionality is 4, mercapto content is 5 mass %) %), 38 parts by weight of reactive diluent (wherein, 30 parts by weight of bifunctional reactive diluent 1,6-hexanediol diacrylate, 8 parts by weight of multifunctional reactive diluent pentaerythritol tetraacrylate) and 8 parts by weight Parts of surfactant (polyether-modified polydimethylsiloxane containing acrylate functional group) mix and stir to dissolve evenly, then add 14 parts by weight of photoinitiator (cracking type free radical initiator of 10 parts by weight ( 1-hydroxyl-cyclohexyl benzophenone) and 4 parts by weight of hydrogen abstraction type free radical initiator (2,4 diethylthioxanthone)) were stirred and dissolved and then filtered to obtain photocurable printing materials.

[0052] Use a printer to print the light-curable printing mat...

Embodiment 3

[0055] 12 parts by weight of hydroxyethyl mercaptoacrylate (functionality is 4, mercapto group content is 10% by mass), 7 parts by weight of mercapto group hyperbranched polyurethane aminomethyl ethyl ester (branching degree is 0.6, functionality is 12, mercapto group content is 15% by mass), 76 parts by weight of reactive diluent (among them, 30 parts by weight of monofunctional reactive diluent (2(2-ethoxyethoxy) ethyl acrylate), 20 parts by weight of poly Functional reactive diluent (tripropylene glycol diacrylate), 26 parts by weight of multifunctional reactive diluent ((9) propoxylated trimethylolpropane triacrylate)) and 1 part by weight of surface active Agent (polyether modified polydimethylsiloxane) mixed and stirred to dissolve evenly, then add 4 parts by weight of photoinitiator (3 parts by weight of cracking type free radical initiator (2-hydroxyl-2-methyl- 1-phenyl-1-propanone) and 1 weight part of hydrogen-abstracting radical initiator (isopropylthioxanthone)) we...

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Abstract

The invention relates to the technical field of printed matter, in particular to a light-cured printing material, a printed matter with a three-dimensional pattern and a preparation method thereof. The photocurable printing material contains a thiol-containing curable prepolymer, a reactive diluent and a photoinitiator, wherein, relative to 100 parts by weight of the photocurable printing material, the content of the mercapto-containing curable prepolymer is 10-50 parts by weight, the content of the reactive diluent is 30-80 parts by weight, and the content of the photoinitiator is 1-20 parts by weight. The present invention solves the situation that the bottom layer of the UV-curable coating is cured and the surface is not completely cured. The three-dimensional pattern printed on the printed matter by using the photo-curable printing material described in the present invention not only has a three-dimensional effect, a realistic effect, and high gloss, but also The three-dimensional pattern has high adhesion on the printed matter, and is not easy to fall off or crack.

Description

technical field [0001] The invention relates to the technical field of printed matter, in particular to a photocuring printing material, a method for forming a three-dimensional pattern, an application, and a printed matter. Background technique [0002] The surface decoration process of printed matter is to carry out some series of treatments on the surface of printed matter that has completed graphic printing, so that the surface of printed matter has better gloss, more decoration, higher strength, and better aesthetic and artistic effects. It has become a modern printing technology. A key means of product market competition and value addition. The main processes of surface decoration of printed matter include: glazing, lamination, composite packaging, embossing, hot stamping, etc. [0003] Most of the UV curing process is carried out in the air environment. The oxygen inhibition effect of the air often leads to the under-curing and incomplete curing of the UV-curing coat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F283/01C08F283/10C08F283/00C08F283/12C08F283/06C08F265/04C08F220/30C08F222/14C08F220/28B33Y70/00
CPCB33Y70/00C08F265/04C08F283/006C08F283/01C08F283/065C08F283/105C08F283/122
Inventor 秦明明刘云霞贾志梅王思宋延林
Owner INST OF CHEM CHINESE ACAD OF SCI
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