Title:
DYNAMICALLY ADJUSTABLE DISCOLORING MATERIAL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/137272
Kind Code:
A1
Abstract:
The present invention relates to a self-evolving discoloring indicator, a preparation method therefore and a use method thereof. The self-evolving discoloring indicator comprises the following components: a) a metal nanomaterial, b) water-insoluble silver halide, c) a reducing agent, d) one, two or more cationic surfactants containing halide ions, e) water, and f) an optional acidity regulator.
Inventors:
ZHANG CHAO (CN)
TIAN ZIJIAN (CN)
GUO ZHANYUN (CN)
TIAN ZIJIAN (CN)
GUO ZHANYUN (CN)
Application Number:
PCT/CN2017/075237
Publication Date:
August 02, 2018
Filing Date:
February 28, 2017
Export Citation:
Assignee:
BEIJING LANTSAI TECH CO LTD (CN)
International Classes:
G01N21/78
Foreign References:
| CN102735796A | 2012-10-17 | |||
| CN106124694A | 2016-11-16 | |||
| US6103351A | 2000-08-15 |
Other References:
ZENG, JIE ET AL.: "Nanocrystal-Based Time-Temperature Indicators", CHEMISTRY - A EUROPEAN JOURNAL, vol. 16, no. 42, 13 October 2010 (2010-10-13), pages 12559 - 12563, XP055523426
Attorney, Agent or Firm:
BEIJING HAN KUN LAW OFFICES (CN)
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