Ink, ink set, method for ink-jet recording, ink cartridge and apparatus for ink-jet recording

An inkjet recording method and a recording head technology, which are applied in the fields of ink, complete ink set, inkjet recording, ink cartridges and inkjet recording equipment, can solve problems such as deterioration of ejection stability and blockage of the ink flow path of the recording head, and achieve improved inkjet performance. Effects of Jetting Stability, High Storage Stability, High Color Developability

Inactive Publication Date: 2008-01-16
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Then, as a result, deposits adhere to the inside of the ink flow path and near the ejection outlet, thereby clogging the ink flow path of the recording head and deteriorating the ejection stability

Method used

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  • Ink, ink set, method for ink-jet recording, ink cartridge and apparatus for ink-jet recording
  • Ink, ink set, method for ink-jet recording, ink cartridge and apparatus for ink-jet recording
  • Ink, ink set, method for ink-jet recording, ink cartridge and apparatus for ink-jet recording

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Embodiment

[0123] Now, the present invention will be further described with the help of examples and comparative examples. Note, however, that the present invention is by no means limited by the embodiments described below without departing from the scope of the present invention. In the following description, unless otherwise specified, "parts" and "%" refer to parts by mass and% by mass, respectively.

[0124] In the following description, the weight average particle diameter is observed by means of a laser zeta potentiometer ELS8000 (trade name, available from OTSUKA ELECTRONICS Co., Ltd.).

[0125] [Preparation of Pigment Dispersion]

[0126] (Pigment Dispersion 1)

[0127] The materials listed below were loaded in a batch vertical sand mill (obtained from AIMEX) with 150 parts of zirconia beads with a diameter of 0.3 mm and dispersed for 12 hours while cooling with water. The obtained dispersion is centrifuged to remove coarse particles. As the final product of the preparation, a pigmen...

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PUM

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Abstract

An ink to be used in an ink jet recording method of ejecting an ink from a recording head through action of thermal energy can improve the ink ejection stability and shows a high storage stability and a high color developability. An ink to be used in an ink jet recording method of ejecting an ink from a recording head through action of thermal energy is characterized in that the ink comprises a pigment represented by the general formula (1), a dispersant, a water-soluble organic compound and an aggregation inhibiting substance for inhibiting aggregation after dispersion breakdown of the pigment, and the content (mass %) of the aggregation inhibiting substance with respect to the total mass of ink is 0.4 times or more to less than 1.3 times of the content (mass %) of the pigment with respect to the total mass of ink.

Description

Technical field [0001] The present invention relates to an ink used in an inkjet recording method in which ink is ejected from a recording head by the action of thermal energy, an ink cartridge using the ink, an inkjet recording method, and an inkjet recording apparatus. More particularly, the present invention relates to an ink containing a coloring material with a specific structure that can improve inkjet stability and exhibit high storage stability and high color developability, and ink cartridges and inkjet inks using the ink. Recording method and inkjet recording device. Background technique [0002] Inkjet recording is a recording method in which ink is applied to a recording medium such as paper to form an image thereon. It can use cheaper equipment, high resolution and high speed printing. In recent years, inkjet recording has become popular as a means of easily forming color images, and there is an increasing demand for higher quality color images. [0003] Currently, v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/00B41J2/01B41M5/00C09B29/33C09B67/46C09D11/322C09D11/40
Inventor 高田阳一松本宣幸辻到高田祐子袴田慎一须釜定之辻村政史藤冈文章
Owner CANON KK
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