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Radiation curable inkjet inks for interior decoration

A radiation curing, inkjet ink technology, applied in the field of inkjet ink, can solve problems such as shortened shelf life

Active Publication Date: 2021-09-03
AGFA NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these commercial compounds were found to not work well in all cases and often lead to other problems such as reduced shelf life

Method used

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  • Radiation curable inkjet inks for interior decoration
  • Radiation curable inkjet inks for interior decoration
  • Radiation curable inkjet inks for interior decoration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0325] This example illustrates the synthesis of a singlet oxygen quencher HS-1 to HS-4's.

[0326] Synthetic single-state oxygen quencher HS-1

[0327] 3- [(diethylamino) ethyl 2 - (3-ethoxy-3-oxo-propyl) - amino] propanoate (HS-1) is synthesized according to the following reaction scheme:

[0328]

[0329] The 51.06 g (0.51 mol) of ethyl acrylate was dissolved in 38g of ethanol. The solution was cooled to 0 ℃. Was added 23.24 g (0.2 mol) N, N- diethyl-ethylenediamine solution in 38g of ethanol. The reaction was continued at 0 ℃ 45 minutes. The mixture was heated to 21 ℃ and the reaction was continued for 24 hours at 21 ℃. 5g of ethanol was added a further 5g (0.05mol) acrylate and the reaction was continued for an additional 48 hours. The solvent was removed under reduced pressure and ethyl acrylate excess of HS-1 crude without further purification. HS-1 using LC MS analysis. Since transesterification with ethanol and methanol present, HS-1 of 96.5% of target structures, mono...

Embodiment 2

[0343] This example illustrates the reduction in the aldehyde emissions of the UV cured layer of the radiation-cured ink ink according to the present invention maintained a good shelf life.

[0344] Preparation of Red Dispersion DISP-M

[0345] By using Disperlux from Disperlux S.A.R.L., Luxembourg TM The dispersion was prepared according to the components of Table 5 for 30 minutes. Then, a Bachofen Dynomill ECM grinder grinding dispersion was grinded using a 0.4 mM ruthenium stabilized zirconia bead ("high-resistant zirconium zirconium abrasive medium" from TOSOH Co.). The mixture was circulated on the grinder for 2 hours. After grinding, the concentrated pigment dispersion was discharged into the container through a 1 micron filter.

[0346] table 5

[0347] Component weight% PIG-M 16.94 SYN 0.90 DB162 16.94 Inhiba 1.00 DPGDA 64.22

[0348] Preparation of radiant curing inkjet ink

[0349] Then, the above-mentioned magenta pigment dispers...

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Abstract

A radiation curable inkjet ink containing a polymerizable compound including a vinylether group or a vinylamide group; optionally an amine synergist including an alkanolamine group or a dimethyl benzoate group; optionally a Norrish Type II photoinitiator including a photoinitiating moiety selected from the group consisting of a thioxanthone group, a benzophenone group, a ketocoumarin group and a camphorquinone group; and a specific singlet oxygen quencher.

Description

Technical field [0001] The present invention relates to an inkjet ink that radiates, in particular, is a UV-cured ink ink for fabricating a decorative article for indoor decoration. Background technique [0002] The inkjet printing system is added to the industrial production line due to its enhanced reliability. The main advantage of inkjet is that it provides a high degree of flexibility, such as variable data printing allows small transport length, or even single printing without having a large number of printing preparation. The radiation-curable ink ink is particularly preferred because the high quality image can also be printed on the non-absorbent ink receiver, especially when the inkjet ink does not contain or contains a small amount of volatile organic solvent or water. [0003] Typical characteristics of ink ink inks must have a very low viscosity, such as from 5 to 15 MPa.s at a printing temperature to suck the droplet spray in a volume of the leather. In order to achi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/101C07F9/00C09D11/38
CPCC09D11/101C09D11/38C09D11/40B41J11/00214B41M5/0023C09D11/107E04F13/002E04F13/0871E06B3/7001
Inventor J·罗库费尔M·勒泰卢A·范科尔博亨
Owner AGFA NV
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