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Aqueous flexographic ink for electron beam-curable surface printing and pouches for boiling/retorting using the same

An electron beam, surface printing technology, applied in chemical instruments and methods, bags, sacks, etc., can solve the problem of abrasion resistance cooking sachets that cannot be said to have sufficient boiling/cooking properties, and achieves excellent boiling/cooking adaptability. Effect

Active Publication Date: 2021-06-11
DAINIPPON INK & CHEM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Made an invention showing that a high-energy ray-curable aqueous composition comprising a water-soluble compound and water, and the water-soluble compound contains an α, β-ethylenically unsaturated radiation-polymerizable double bond, is superior in wear resistance and for The aspects of boiling / retorting properties necessary for retort pouches cannot be said to be sufficient (for example, Patent Documents 1 to 3)

Method used

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  • Aqueous flexographic ink for electron beam-curable surface printing and pouches for boiling/retorting using the same
  • Aqueous flexographic ink for electron beam-curable surface printing and pouches for boiling/retorting using the same
  • Aqueous flexographic ink for electron beam-curable surface printing and pouches for boiling/retorting using the same

Examples

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Embodiment

[0070] Hereinafter, the present invention will be specifically described by way of examples and comparative examples. Hereinafter, both "part" and "%" are based on mass basis.

[0071] (Manufacturing method of water-based flexographic ink for electron beam curing type surface printing)

[0072] A flexographic ink based on the composition shown in Table 1 was prepared as an electron beam-curable surface printing water-based flexographic ink containing an aqueous resin (X), an electron beam-polymerizable compound (Y) having an ethylenic double bond, and water. .

[0073] Taking ink 1 as an example, a blue pigment dispersion base manufactured by DIC Corporation (WFJ R507 primary color blue base, containing 40% by mass of phthalocyanine pigment relative to the dispersion base), non-reactive urethane dispersion, After aliphatic epoxy acrylate, (Laromar LR8765 manufactured by BASF) polyethylene glycol diacrylate and defoamer (BYK-019 manufactured by BYK Company) are fully stirred ...

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Abstract

The object of the present invention is to provide an electron beam curable surface printing water-based flexographic ink that uses 0% VOC in the ink as much as possible and is excellent in abrasion resistance and boiling / retorting adaptability. Printed boiling / retorting sachets. A water-based flexographic ink for electron beam-curable surface printing, characterized in that it contains a water-based resin (X), an electron-ray polymerizable compound (Y) having an ethylenic double bond, a pigment, and water, wherein the water-based The mass ratio of the solid content of the resin (X) to the solid content of the electron beam polymerizable compound (Y) having an ethylenic double bond is in the range of (X) / (Y)=5 / 100 to 400 / 100.

Description

technical field [0001] The present invention relates to a water-based flexographic ink for surface printing that can be used in water-based flexographic printing equipped with electron beam curing equipment, and a boilable / retort pouch using the same. Background technique [0002] Water-based flexographic printing is widely used for the purpose of imparting decoration and functionality to printed objects. [0003] In recent years, due to changes in lifestyles such as the increase in the number of double-career households and the number of single-person households in recent years, food pouches, such as gas-displacing pouches for fast food packaging, small pouches for boiling that are compatible with heat treatment, and heat-pressurized pouches. Retort sachets and the like, among which the consumption of boiled / steamed food sachets is increasing year by year. [0004] As examples of boiling / steaming pouches, packaging materials for food and beverages such as curry, hamburgers...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/101B32B27/00B65D33/00C09D11/102
CPCB32B27/00B65D33/00C09D11/101C09D11/102
Inventor 春山勉伊藤荣树猿渡伸生石桥岁德
Owner DAINIPPON INK & CHEM INC
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