Dissoluble light-cured resin and dissoluble ultraviolet (UV) printing ink and preparing method thereof

A light-curing resin and ink technology, applied in the direction of ink, epoxy resin coating, application, etc., can solve the problems of low gloss, slow drying speed of water-based ink, unstable product size, etc., and achieve a wide range of printing materials and a wide range of applications Wide range of effects with good printability

Active Publication Date: 2012-07-11
中国印刷科学技术研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of water-based ink has the characteristics of slow drying speed

Method used

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  • Dissoluble light-cured resin and dissoluble ultraviolet (UV) printing ink and preparing method thereof
  • Dissoluble light-cured resin and dissoluble ultraviolet (UV) printing ink and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0036] Example 1

[0037] Preparation of Decomposable Photocurable Resin

[0038] Add 30g of PHB, 20g of epoxy acrylate (commercially available), 1g of isopropylthioxanthone, 0.1g of hydroquinone and tetrabutyl bromide into a round bottom flask equipped with reflux condensation, stirring and constant temperature devices 0.5 g of ammonium, heated up to 100° C. for 8 hours, and finally collected to obtain PHB-modified epoxy acrylate resin.

[0039] Preparation of decomposable UV ink

[0040] (1) Binder preparation: Add 10 g of TPGDA into the reaction vessel, slowly add 2-methyl-2-(4-morpholinyl)-1-[4-(methylthio)phenyl]-1-propanone ( IHT-PI 907) 1g, and stir evenly, after 2-methyl-2-(4-morpholinyl)-1-[4-(methylthio)phenyl]-1-propanone is completely dissolved, add the above to obtain 25g of photocurable resin and 1g of polymethylphenylsiloxane, and then heated and stirred evenly, wherein the heating temperature was controlled at 30°C, the stirring speed was 800r / min, and the s...

Example Embodiment

[0046] Example 2

[0047] Preparation of Decomposable Photocurable Resin

[0048] Add PHBV 180g, urethane acrylate (commercially available) 190g, 2-hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone into a round bottom flask equipped with reflux condensation, stirring and constant temperature devices (2959, Beijing Bailingwei Chemical Technology Co., Ltd.) 10g, methyl hydroquinone 5g and triethylamine 10g, heated up to 200 ° C, reacted for 12 hours, and finally received the PHBV modified polyurethane acrylate resin.

[0049] Preparation of decomposable UV ink

[0050] (1) Binder preparation: Add 50g of HDDA into the reaction vessel, slowly add 10g of 2-hydroxy-2-methyl-1-phenylacetone, and stir evenly, until 2-hydroxy-2-methyl-1-phenyl Add 70g of photocurable resin and 10g of silicone acrylate obtained above after the complete dissolution of dimethylacetone, and then heat and stir evenly, wherein the heating temperature is controlled at 50°C, the stirring speed is 800r / min, ...

Example Embodiment

[0055] Example 3

[0056] Preparation of Decomposable Photocurable Resin

[0057] Add PHBHHx 70g, urethane acrylate 50g, 1-hydroxycyclohexyl phenyl ketone (184, Danyang Jinxiang Chemical Factory) 1g, p-benzoquinone 0.2g in a round bottom flask equipped with reflux condensation, stirring and constant temperature devices and 1 g of diethylamine, heated to 150° C. for 10 hours, and finally collected to obtain PHBHHx modified polyurethane acrylate resin.

[0058] Preparation of decomposable UV ink

[0059] (1) Preparation of linking material: Add 15g of TMPTA into the reaction container, slowly add 2g of 1-hydroxycyclohexyl phenyl ketone, and stir evenly, after the 1-hydroxy cyclohexyl phenyl ketone is completely dissolved, add the above-mentioned light Cured resin 35g and modified polyether siloxane (TEGO Glide 432) 1g, then heated and stirred evenly, wherein the heating temperature was controlled at 40°C, the stirring speed was 800r / min, and the stirring time was 40 minutes; ...

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Abstract

The invention relates to biodegradable light-cured resin and ultraviolet (UV) printing ink containing the light-cured resin. The dissoluble light-cured resin contains the following components by weight: 30-180 parts of polyhydroxyalkanoate (PHA), 20-190 parts of prepolymer, 1-10 parts of curing agents, 0.1-5 parts of polymerization inhibitors and 0.5-10 parts of catalysts. The UV printing ink contains the following components by weight: 25-70 parts of dissoluble light-cured resin, 10-50 parts of monomers, 15-40 parts of pigment, 1-10 parts of photo-initiation, 0.1-5 parts of polymerization inhibitors, 1-10 parts of flatting agents, 1-10 parts of antifoaming agents and 1-10 parts of wetting dispersant reagents. The UV printing ink can be decomposed by biology under the premise of ensuring printing ink printability and printing quality, and can be widely used in packing materials having high requirements for toxicity, such as food, drugs, health care products, books and periodicals and labels.

Description

technical field [0001] The invention relates to a photocurable resin and an ink containing the resin, in particular to a biodegradable photocurable resin, a UV ink containing the resin and a preparation method thereof. Background technique [0002] UV offset printing ink has become one of the mainstream directions for the development of environmentally friendly inks because it does not use organic solvents, has no volatile organic compound (VOC) emissions, fast curing speed, short printing cycle, and strong resistance. Fast growth rate increases. The UV ink triggers the chain reaction of unsaturated groups through the irradiation of ultraviolet light, so that the whole system undergoes cross-linking and curing, and changes from liquid to solid. The surface of the printing material forms an ink film similar to a plastic film. Due to the network structure of the polymer, this film has the advantages of strong toughness and high mechanical strength, which makes UV ink resistan...

Claims

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Application Information

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IPC IPC(8): C08J3/24C08L67/04C08L75/14C08L63/10C09D11/10C09D175/14C09D163/10C09D11/101C09D11/107
Inventor 王晓芳褚庭亮
Owner 中国印刷科学技术研究所
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