Ink composition, printing method using the same and printed image obtained using the same, and ink set and ink head

An ink composition, inkjet head technology, applied in the direction of ink, copying/marking method, application, etc., can solve the problem of dynamic surface tension without determining the slow moving state

Inactive Publication Date: 2006-06-07
SHARP KK
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  • Abstract
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Problems solved by technology

[0015] In addition, this technique only determines the dynamic surface tension of the fast-moving state, especially the dynamic surface tension of 0 ms, but not the slow-moving state

Method used

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  • Ink composition, printing method using the same and printed image obtained using the same, and ink set and ink head
  • Ink composition, printing method using the same and printed image obtained using the same, and ink set and ink head
  • Ink composition, printing method using the same and printed image obtained using the same, and ink set and ink head

Examples

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Embodiment

[0233] The present invention will be further illustrated below by examples, but the present invention is not limited by these examples. In these embodiments, image recording is also referred to as printing or printing.

[0234]

[0235] In the process of preparing the ink composition, the kind and quantity of the coloring agent, organic solvent and surfactant and the content of binder resin and water are changed as shown in Table 1 to obtain the relational expression satisfying the important conditions of the present invention (1) The ink compositions of Examples 1 to 7 and the ink compositions of Comparative Examples 1 to 4 that do not satisfy the relational expression (1) of the present invention. In Table 1, the units of values ​​in each column are expressed in parts by weight, and the total amount of each ink composition in Examples 1 to 7 and Comparative Examples 1 to 4 is 100 parts by weight. Furthermore, in Table 1, TEGBE represents triethylene glycol monobutyl ether...

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Abstract

An object of the present invention is to provide an ink composition capable of obtaining high-quality recorded images with excellent discharge stability when using an inkjet recording method, a recording method using the composition, a recorded image, an ink set, and an inkjet head. . The difference between the dynamic surface tension (mN / m) and the static surface tension (mN / m) of the ink composition (60) measured by the maximum bubble pressure method at a temperature of 24 to 26°C is 0 to 7 (mN / m). The ink composition is stored in the inkjet tank (50) of the inkjet head (1), and the ink composition is supplied from the ink tank (50) to the ink cartridge (40) having the discharge port (31), and a voltage is applied to the inkjet tank (50) of the inkjet head (1). On the partition (12) made of piezoelectric material, the partition (12) applies pressure to the ink composition (60) stored in the ink tank (40), so that the ink composition (60) is discharged from the discharge port (31). 60) Liquid droplets attached to the recording material to record images.

Description

[0001] This application is a divisional application with the filing date of September 18, 2003, the application number of 03165009.0, and the title of "ink composition, recording method using it and recorded image, ink set and inkjet head". technical field [0002] The present invention relates to an ink composition suitable for an inkjet recording method, a recording method and a recorded image using the ink composition, an ink set, and an ink head. Background technique [0003] The inkjet recording method is a method of releasing and flying droplets of an ink composition (hereinafter also simply referred to as "ink") by kinetic energy or thermal energy, and making such droplets adhere to a recording material such as paper to record an image. Methods. [0004] Heretofore, the characteristics of the ink used in the inkjet recording method (hereinafter also referred to as "inkjet ink") can be expressed by physical properties such as surface tension or viscosity. Attempts hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/01B41M5/00C09D11/00C09D11/322C09D11/326C09D11/328C09D11/36C09D11/38
Inventor 加本贵则森本清文上原诚中津裕美木元正纪
Owner SHARP KK
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