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Application of styrene-maleic anhydride copolymer and derivatives thereof in preparation of ultraviolet cured printing ink

A technology of maleic anhydride and styrene, applied in the field of UV-curable ink, can solve the problems of particle reaggregation, uneven coloring, etc., and achieve the effect of stable properties, avoiding uneven coloring, and long-term stable storage

Active Publication Date: 2014-09-24
SHANGHAI PHICHEM MATERIAL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the process of realizing the present invention, the inventors have found that the prior art has at least the following problems: the UV-curable ink prepared by the existing method is prone to particle re-agglomeration after being stored for a period of time, resulting in uneven coloring during use

Method used

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  • Application of styrene-maleic anhydride copolymer and derivatives thereof in preparation of ultraviolet cured printing ink
  • Application of styrene-maleic anhydride copolymer and derivatives thereof in preparation of ultraviolet cured printing ink
  • Application of styrene-maleic anhydride copolymer and derivatives thereof in preparation of ultraviolet cured printing ink

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Step (1), preparing color paste, the specific method is as follows:

[0032] Weigh raw materials: SMA50005g, trimethylolpropane acrylate (TMPTA) 80g, titanium dioxide 15g.

[0033] Grind the above raw materials with a sand mill until the particle size is less than 1um, and filter to obtain a white color paste.

[0034] Step (2), using the color paste prepared in the previous step to prepare UV-curable ink, the specific method is as follows:

[0035] The above-mentioned white color paste 16g, bisphenol A epoxy acrylic resin 50g, pentaerythritol triacrylate 20g, hexanediol acrylate diester 6.5g, TPO photoinitiator 5g, 184 photoinitiator 2g, BYK333 leveling agent 0.5g, Put it into the reaction kettle, stir at 60°C for 2 hours, filter and discharge to obtain the UV-curable optical fiber white ink product.

Embodiment 2

[0037] Step (1), preparing color paste, the specific method is as follows:

[0038] Weigh raw materials: SM10000.1g, 50g hexanediol acrylate (HDDA), 44.9g trimethylolpropane acrylate (TMPTA), 5g permanent violet.

[0039] Grind the above raw materials with a sand mill until the particle size is less than 1um, and filter to obtain a purple color paste.

[0040] Step (2), using the color paste prepared in the previous step to prepare UV-curable ink, the specific method is as follows:

[0041] With above-mentioned purple color paste 10g, the white color paste 4g that makes in embodiment 1, bisphenol A epoxy acrylic resin 50g, pentaerythritol triacrylate 20g, hexanediol acrylate diester 8.5g, TPO photoinitiator 5g, 184 Put 2g of photoinitiator and 0.5g of BYK333 leveling agent into the reaction kettle, stir at 60°C for 2 hours, filter and discharge to obtain UV-curable optical fiber purple ink product.

Embodiment 3

[0043] Step (1), preparing color paste, the specific method is as follows:

[0044] Weigh raw materials: 2 g of SMA octyl ester, styrene-maleic anhydride copolymer (the molar ratio of styrene and maleic anhydride is 2:11 g, 82 g of hexanediol acrylate (HDDA), 15 g of permanent red.

[0045] Grind the above raw materials with a sand mill until the particle size is less than 1um, and filter to obtain a red color paste.

[0046] Step (2), using the color paste prepared in the previous step to prepare UV-curable ink, the specific method is as follows:

[0047] With above-mentioned red color paste 8g, the white color paste 4g that makes in the embodiment 1, bisphenol A epoxy acrylic resin 50g, pentaerythritol triacrylate 22g, hexanediol acrylate diester 8.5g, TPO photoinitiator 5g, 184 Add 2g of photoinitiator and 0.5g of BYK333 leveling agent into the reaction kettle, stir at 60°C for 2 hours, filter and discharge to obtain the UV-curable optical fiber red ink product.

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Abstract

The invention discloses an application of styrene-maleic anhydride copolymer and derivatives thereof in preparation of ultraviolet cured printing ink, and belongs to the field of ultraviolet cured printing ink. The particular method comprises the following steps: firstly preparing color paste which comprises the following raw materials by weight: 0.1-5% of styrene-maleic anhydride copolymer and / or derivatives thereof, 80-94.9% of acrylate monomers, and 5-15% of toner, and then preparing the ultraviolet cured printing ink from the color paste; or directly preparing the ultraviolet cured printing ink which comprises the following raw materials by weight: 1-5% of styrene-maleic anhydride copolymer and / or derivatives thereof, 60-70% of acrylate oligomers, 1-10% of acrylate monomers, 7-20% of toner, and 8-18% of other additives, wherein the other additives comprise a levelling agent and / or an photoinitiator and / or a defoamer. According to the invention, through the addition of the styrene-maleic anhydride copolymer and derivatives thereof during the preparation of the ultraviolet cured printing ink, the storage stability of the ultraviolet cured printing ink product is improved, and the purpose of long-term stable storage is reached.

Description

technical field [0001] The invention relates to the field of ultraviolet curing ink, in particular to the application of styrene-maleic anhydride copolymer and its derivatives in the preparation of ultraviolet curing ink. Background technique [0002] UV-curable ink refers to the ink that uses ultraviolet light of different wavelengths and energies to make the ink film-forming and drying under ultraviolet radiation. Its main advantages are: no solvent and water; fast drying speed, less energy consumption; good gloss, bright colors; water resistance, solvent resistance, good wear resistance. At present, there are various types of UV-curable inks on the market, including UV-curable fiber optic inks, UV-curable offset printing inks, UV-curable screen printing inks, and UV-curable jet printing inks. [0003] The preparation method of the existing UV-curable ink is as follows: first, the toner, the acrylate monomer, the polyester multi-chain polymer or the high molecular weight ...

Claims

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Application Information

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IPC IPC(8): C09D11/037C09D11/03C08F212/08C08F222/08C08F8/14
Inventor 吴严池萍
Owner SHANGHAI PHICHEM MATERIAL CO LTD
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