Citation: Mingyu He, Ying Li, Mamatjan Yimit. The Extraction of Lignin from Cotton Stalks and the Comprehensive Experiment of the Study on the Antioxidant Properties of Polypropylene[J]. University Chemistry, ;2021, 36(6): 200700. doi: 10.3866/PKU.DXHX202007004 shu

The Extraction of Lignin from Cotton Stalks and the Comprehensive Experiment of the Study on the Antioxidant Properties of Polypropylene

Key Laboratory of Oil and Gas Fine Chemicals, Ministry of Education and Xinjiang Uyghur Autonomous Region, College of Chemical Engineering, Xinjiang University, Urumiqi 830046, China

Received Date: 2 July 2020

A comprehensive experiment was conducted on the lignin extracted from waste cotton straw in Xinjiang and its antioxidant properties of polypropylene (PP). Based on the actual situation of polymer related major in Xinjiang University, combining the teachers' scientific research projects with the undergraduate teaching, the comprehensive experiment mainly included the extraction of lignin from cotton stalks, artificial accelerated aging experiment and characteristic experimental system of antioxidant characterization analysis. In the practical teaching, students not only learned the extraction process of lignin from cotton straw, but also understood the effect of artificial accelerated aging experiment on the aging mechanism of materials and its anti-oxidation properties, and broadened their comprehensive understanding of professional knowledge, which provided reference for the transformation of scientific research results into teaching experiments.
- Comprehensive experiment,
- Cotton lignin,
- Polypropylene,
- Aging test,
- Oxidation resistance
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