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COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES, AND APPARATUSES INCORPORATING SUCH DYE
专利权人:
发明人:
申请号:
EP12855085.2
公开号:
EP2787876A1
申请日:
2012.11.07
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
According to embodiments of the present application, a color changeable dye can comprise a redox indicator, a reduction reaction initiator, an electron donor, an oxygen scavenger, an indicator barrier agent, a thickening agent and an agent to facilitate mixing. The color changeable dye is a first color in the presence of oxygen, capable of changing to a second color upon reduction in a substantially oxygen free environment, and capable of changing back to the first color after exposure to oxygen for a period of time corresponding to the intended use time of a disposable or limited use product. Methods of making and using the color changeable dye and apparatuses incorporating such dye are also disclosed.
来源网站:
中国工程科技知识中心
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http://www.ckcest.cn/home/

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