Thermal ink jet ink composition

A technology of inkjet ink and composition, which is applied in the direction of ink, household utensils, applications, etc., and can solve the problems of long ink drying time, poor adhesion to substrates, etc.

Active Publication Date: 2011-05-25
VIDEOJET TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such aqueous inks have one or more drawbacks such as long ink drying times or poor adhesion to semi-porous or non-porous substrates

Method used

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  • Thermal ink jet ink composition
  • Thermal ink jet ink composition

Examples

Experimental program
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Embodiment 1

[0041] This example illustrates an embodiment of a thermal inkjet ink composition according to the invention. The raw materials, amounts and formulation numbers used to prepare the inkjet ink compositions are listed in Table 1 below.

[0042]

Embodiment 2

[0044] This example demonstrates the drying time of embodiments of the inkjet ink compositions of the present invention.

[0045] Table 2. Ink Drying Times of Embodiments of Inkjet Ink Compositions on Various Substrates

[0046]

Embodiment 3

[0048] This example demonstrates some of the properties of embodiments of the inkjet ink compositions of the present invention.

[0049] Table 3. Properties of Embodiments of Thermal Inkjet Ink Compositions of the Invention

[0050] recipe number

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Abstract

Disclosed are ink jet ink compositions suitable for use in thermal ink jet printers. The ink jet ink compositions contain one or more volatile organic solvents, one or more humectants, one or more binder resins, and one or more colorants. The ink jet ink compositions may also contain additives such as a plasticizer and / or a surfactant. Embodiments of the ink jet ink compositions have short dry times, good adhesion to a variety of substrates, and / or long decap times.

Description

Background technique [0001] Thermal inkjet (TIJ) heads produce ink droplets by thermally vaporizing ink solvents. During spraying, the resistors are heated rapidly to create vapor bubbles, which then eject liquid droplets from the nozzle. This process is extremely efficient and repeatable. Modern TIJ nozzles for industrial graphics are capable of producing uniform droplets with volumes of 4pL or less at frequencies of 36KHz or greater. Typical commercial TIJ devices are specifically designed to vaporize water or solvents with physical properties close to water (eg, high boiling point, large heat capacity, low molecular weight). [0002] Although TIJ printing systems have been available for more than 30 years, almost all commercial inks used in thermal inkjet systems are water-based, i.e. they contain more than 50% water. Such aqueous inks suffer from one or more drawbacks, such as long ink drying times or poor adhesion to semi-porous or non-porous substrates. [0003] Inks...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/00C09D11/30C09D11/328C09D11/36C09D11/38
Inventor 凯西・罗伯逊安东尼・瑟姆克兹约翰・P・福克斯
Owner VIDEOJET TECH INC
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