Citation: Lijun Gao, Rizhen Wen, Yun Wang, Yanbei Guo, Yonghai Hui, Tianming Gao, Yongfei Zhang. Preparation and Antiscalant Properties of Fluorescent and Hydroxyl-Modified Polyaspartic Acid: A Recommended Comprehensive Chemistry Experiment[J]. University Chemistry, ;2024, 39(1): 294-304. doi: 10.3866/PKU.DXHX202307044 shu

Preparation and Antiscalant Properties of Fluorescent and Hydroxyl-Modified Polyaspartic Acid: A Recommended Comprehensive Chemistry Experiment

Key Laboratory of Clean Energy Materials Chemistry of Guangdong Higher Education Institutes, School of Chemistry and Chemical Engineering, Lingnan Normal University, Zhanjiang 524048, Guangdong Province, China

Corresponding author: Lijun Gao, gaolj@lingnan.edu.cn
Received Date: 19 July 2023

A comprehensive experiment was devised focusing on the preparation, characterization, and antiscalant performance of fluorescent and hydroxy-modified polyaspartic acid. Initially, a water-soluble fluorescent material and polysuccinimide (PSI) were synthesized. The PSI was then modified using the fluorescent material and ethanolamine, followed by alkaline hydrolysis to obtain the target antiscalant. The antiscalant was characterized using ¹H NMR, gel permeation chromatography, and fluorescence spectrophotometry, and its antiscalant efficacy was evaluated through static scaling tests. This experiment integrates concepts from polymer chemistry, organic chemistry, and analytical chemistry, embodying the scientific research process of "synthesis-characterization-analysis". It emphasizes the research thinking model of "substance-structure-property", aiming to cultivate students' experimental proficiency and research capabilities.
- Polyaspartic acid,
- Fluorescence,
- Hydroxyl,
- Scale inhibition,
- Comprehensive chemistry experiment
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