Ink composition

a technology of composition and ink, applied in the field of ink composition, can solve the problems of high running cost, waste, high manufacturing cost, etc., and achieve the effects of reducing the shrinkage factor, improving the wetting to the substrate, and reducing the surface tensile of ink

Inactive Publication Date: 2006-09-28
FUJIFILM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical effect of this patented invention relates to improving the performance of printing on films made from materials such as polyethylene terephthalate or other plastics with low shrinking factors. This can be useful in various applications where flexibility is important, such as food packing, medical products, and electronic devices.

Problems solved by technology

This patent describes different technical solutions for improving the performance of ink compositions used in inkjet recording processes. One solution involves reducing shrunk images during production while maintaining good adherence between the printed surface and the substrate. Another approach involves increasing the amount of solvent contained within the ink composition without compromising its effectiveness at producing clear prints. Additionally, there is a desire to develop an ink composition that does not require a lot of energy for drying and can produce high-quality images.

Method used

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Examples

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example

Example 1

(Preparation of Pigment Dispersion)

[0230] Each pigment dispersion 1 of yellow, magenta, cyan and black was prepared according to the following method. A dispersion condition was appropriately adjusted with a well-known dispersion device so that the average particle size of each pigment particle ranged 0.2 to 0.3 μm, and then filtration under heating was performed to prepare the pigment dispersions.

(Yellow Pigment Dispersion 1)C.I. Pigment Yellow 1210 parts by weightPolymer Dispersant 5 parts by weight(Solsperse series made by Zeneca Company)OXT-22185 parts by weight(Oxetane compound made by Toagosei Co. Ltd.)(Magenta Pigment Dispersion 1)C.I. Pigment Red 57:115 parts by weightPolymer Dispersant 5 parts by weight(Solsperse series made by Zeneca Company)OXT-22180 parts by weight(Oxetane compound made by Toagosei Co. Ltd.)(Cyan Pigment Dispersion 1)C.I. Pigment Blue 15:320 parts by weightPolymer Dispersant 5 parts by weight(Solsperse series made by Zeneca Company)OXT-22175 p

examples 2 to 5

(Preparation of Ink)

[0238] Magenta ink 2 to 6 were prepared according to the following method.

[0239] (Magenta Ink 2)

(a) Cationically polymerizable compoundSELLOXIDE 2021 (Epoxy compound: Daicel UCB Co. Ltd.)35 gOXT-221 (Oxetane compound: Toagosei Co. Ltd.)55 g(b) Photo-generating agentInitiator 1 5 g(c) Colorant (said Pigment Dispersion)Magenta Pigment Dispesion1 5 g(d) Plasticizer (the invention compound, di-butyl phthalate)0.5 g 

[0240] (Magenta Ink 3)

(a) Cationically polymerizable compoundSELLOXIDE 2021 (Epoxy compound: Daicel UCB Co. Ltd.)35 gOXT-221 (Oxetane compound: Toagosei Co. Ltd.)55 g(b) Photo-generating agentInitiator 1 5 g(c) Colorant (said Pigment Dispersion)Magenta Pigment Dispesion1 5 g(d) Plasticizer (the invention compound, tricyclohexyl phosphate)0.5 g 

[0241] (Magenta Ink 4)

(a) Cationically polymerizable compoundSELLOXIDE 2021 (Epoxy compound: Daicel UCB Co. Ltd.)35 gOXT-221 (Oxetane compound: Toagosei Co. Ltd.)55 g(b) Photo-generating agentInitiator 1 5 g(c)

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Abstract

(Problem) Providing an ink composition, particularly an ink composition for use in inkjet recording, which can form an image with good adhesion and high quality and which is excellent in storage stability, and an inkjet recording method and a printed matter using it, as well as a lithographic plate which can record an image with no blot, high sensitivity and high adhesion to a recording medium and a method for making such plate. (Solving Means) The foregoing problem may be achieved by an ink composition comprising: (a) A cationically polymerizable compound; (b) a compound generating an acid by irradiation of radiant ray; and (c) plasticizer, particularly at least one ester compound selected from the group consisting of phosphate ester, dicarboxylic acid ester and tricarboxylic acid ester.

Description

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Claims

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Application Information

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Owner FUJIFILM CORP
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