Fluorescence chemical sensor for detecting 2,4,6-trinitrophenol and preparation method of fluorescence chemical reactor

A chemical sensor, trinitrophenol technology, applied in chemical instruments and methods, fluorescence/phosphorescence, luminescent materials, etc., can solve the problems of huge instrument and equipment operation process, inability to identify and detect, difficult to quickly detect, etc., to achieve excellent Effects of thermal and chemical stability, high sensitivity, and good fluorescence characteristics
CN104371111AActive Publication Date: 2015-02-25JIANGNAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGNAN UNIV
Publication Date
2015-02-25

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Abstract

The invention provides a fluorescence chemical sensor for detecting 2,4,6-trinitrophenol and a preparation method of the fluorescence chemical reactor, belonging to the technical field of preparation and chemical analysis of functional high polymer materials. The fluorescence chemical sensor has a chemical structure shown in the specification. The preparation method of the fluorescence chemical sensor comprises the following steps: (1), in the presence of an acid-binding agent, performing condensation polymerization in an organic solvent by using phosphonitrilic chloride trimerl and curcumin to obtain a solution; (2), separating a solid product in the solution, washing and drying to obtain the fluorescence chemical sensor. The fluorescence chemical sensor based on ring-crosslinking type polyphosphazene, disclosed by the invention, is simple and mild in preparation process, has excellent thermal stability, chemical stability and fluorescence characteristics, can be used for realizing specific identification and detection of 2,4,6-trinitrophenol in a liquid phase, is high in sensibility, is suitable for the fields of trace explosive detection and environment monitoring, and is favorable for realizing industrial production.
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Description

technical field

[0001] The invention relates to a fluorescent chemical sensor, in particular to a fluorescent chemical sensor based on ring-crosslinked polyphosphazene that can be used to detect 2,4,6-trinitrophenol. The fluorescent chemical sensor can specifically recognize and detect 2,4,6-trinitrophenol in liquid phase, and has high sensitivity. The present invention further relates to a preparation method of the fluorescent chemical sensor. The invention belongs to the technical field of functional polymer material preparation and chemical analysis. technical background

[0002] 2,4,6-Trinitrophenol, also known as picric acid, is a nitroaromatic compound that is often used to make high explosives and is also an environmental pollutant. Therefore, in view of the increasingly frequent terrorist activities and the continuous spread of terrorist forces in today's international society, the rapid and reliable detection of trace amounts of 2,4,6-trinitrophenol has important ...

Claims

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