Ink composition and oxygen indicator

A technology of composition and polymer materials, which is applied in the direction of material analysis by observing the influence on chemical indicators, ink, analysis using chemical indicators, etc., which can solve the problems of poor light resistance of oxygen indicators and other problems

Inactive Publication Date: 2008-09-17
ASAHI KASEI CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the light fastness of the obtained oxygen indicator tends to be poor

Method used

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  • Ink composition and oxygen indicator
  • Ink composition and oxygen indicator
  • Ink composition and oxygen indicator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 to 11

[0082] The ink composition prepared by the above method with the components described in Table 1 was placed in the ink tank of an inkjet printer manufactured by SPECTRA INC., and the temperature of the print head of the printer was raised to 30° C. The PE surface (corona treated surface) of the inner surface of the top sealing film is printed, the printed film is used as the top sealing film, the inside of the container is directly emptied, and the vacuum inflation packaging machine DYNAPACK 462 is used to inflate the packaging Heat seal to prepare an airtight package. The ink compositions and preparation conditions of the samples are described in Table 1. Examples 1 to 10 were good in print quality and light fastness. Example 11 has a higher viscosity and thus is slightly uneven in the evaluation of inkjet printing, although it does not cause a problem from a practical point of view. In Example 11, the pH of the ink solution was 10 to 11, so it tended to fade within a week ...

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Abstract

An ink composition comprising a redox compound as dye, a volatile agent as reducing agent, a polymer material as binder and a volatile solvent, wherein said ink composition has a viscosity of 3 to 150 mPas when said ink composition is used for printing.

Description

technical field [0001] The present invention relates to an ink composition, a method of making the ink composition, an oxygen indicator and a method of making the oxygen indicator. Background technique [0002] It is known to use color changing indicators to indicate a change in the condition of a package to detect leaks, changes in the oxygen content of the package, such as a protective gas package, or damage to the product therein. Many known indicators of this type comprise a redox color such as methylene blue, a basic substance such as calcium hydroxide, and a reducing agent such as glucose, where the basic substance is highly reducing. In an oxygen-free environment, the reducing agent reduces the redox indicator well from its normally colored oxidation state to its normally reduced colorless form. For example, methylene blue in its oxidized state is blue, which is reduced to a colorless state with no color under alkaline glucose. The colorless methylene blue is easily...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/00G01N31/00G01N21/78G01N31/22C09D
CPCG01N31/225G01N21/783C09D11/30
Inventor 伊诺·赫尔梅西娅·斯皮拉·伊宁-马尔默安娜-丽萨·鲁斯科帕川岛政彦上阪圭介
Owner ASAHI KASEI CHEM CORP
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