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
  • Description
  • Claims
  • Application Information

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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

Experimental program
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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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PUM

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Abstract

An ink composition is prepared in such a manner that a difference between a dynamic surface tension (mN/m) measured by a maximum bubble pressure method at a temperature of 24 to 26 DEG C. and a static surface tension (mN/m) is within a range from 0 to 7 (mN/m). The ink composition is stored in an ink tank of an ink head, and is supplied from the ink tank to an ink chamber having a discharge port, and a voltage is applied to partitions formed by a piezoelectric material to apply a pressure by the partitions to the ink composition stored in the ink chamber, whereby a liquid droplet of the ink composition is discharged from the discharge port and the liquid droplet is deposited on a recording material to record an image.

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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