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Ethanol-based ink composition

An ink composition, composition technology, applied in the direction of ink, household utensils, applications, etc.

Inactive Publication Date: 2012-02-08
VIDEOJET TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Those of ordinary skill in the art know that non-porous substrates present challenges for achieving image adhesion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The ink composition of Example 1 passed all 4 tests, thus showing excellent stability. The ink compositions of Examples 2 and 3 passed the stability tests performed thereon. The ink composition of Comparative Example 1 failed the water resistance test at a water addition of 3%, indicating that the composition is not suitable for use in a humid environment. Without wishing to be bound by any theory, it is believed that the water already present in the ink, dye, conductive agent or combination thereof caused the stability problems of Comparative Example 1.

[0047] The ink compositions were also tested for rub adhesion to various substrates, scratch adhesion to various substrates, and tape adhesion to various substrates. The ink composition is applied to the substrate using a continuous inkjet printer. Substrates include various plastics such as LDPE, PP, PVC and PET, glass and aluminum. The ink compositions of Examples 1-3 showed acceptable performance comparable to e...

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Abstract

An ink jet ink composition includes ethanol, a binder, a conductive agent, and a colorant. The ethanol is present in an amount at least 70% by weight of the ink composition. The binder is not a polyamide resin, a hydroxyaromatic resin, or a phenolic resin. The binder is present in an amount between 2% and 15% by weight of the ink composition. Water, if present, is in an amount less than 5% by weight of the ink composition.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Patent Application 12 / 402,911, filed March 12, 2009, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates generally to an inkjet ink composition, and in particular to an ethanol-based ink composition. Background technique [0004] In inkjet printing, printing is done without contact between the printing device and the substrate on which the printed characters are deposited. Briefly, inkjet printing involves ejecting a stream of ink droplets onto a surface and controlling (eg, electronically) the direction of the stream so that the droplets form a desired printed image on the surface. The technique of non-contact printing is particularly suitable for applying characters to a variety of surfaces, both porous and non-porous. [0005] In general, inkjet ink compositions should meet certain requirements to be suitable for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/10
CPCC09D11/10C09D11/328C09D11/36
Inventor 朱林芳戈德温·登肖凤飞
Owner VIDEOJET TECH INC
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