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- Title
Recycling and Degradation of Polyamides.
- Authors
Zheng, Lin; Wang, Mengjin; Li, Yaoqin; Xiong, Yan; Wu, Chonggang
- Abstract
As one of the five major engineering plastics, polyamide brings many benefits to humans in the fields of transportation, clothing, entertainment, health, and more. However, as the production of polyamide increases year by year, the pollution problems it causes are becoming increasingly severe. This article reviews the current recycling and treatment processes of polyamide, such as chemical, mechanical, and energy recovery, and degradation methods such as thermal oxidation, photooxidation, enzyme degradation, etc. Starting from the synthesis mechanism of polyamide, it discusses the advantages and disadvantages of different treatment methods of polyamide to obtain more environmentally friendly and economical treatment schemes. Finding enzymes that can degrade high-molecular-weight polyamides, exploring the recovery of polyamides under mild conditions, synthesizing environmentally degradable polyamides through copolymerization or molecular design, and finally preparing degradable bio-based polyamides may be the destination of polyamide.
- Subjects
POLYAMIDES; ENGINEERING plastics; PLASTICS engineering; WASTE recycling; PHOTOOXIDATION; PRODUCTION increases; REVERSE osmosis
- Publication
Molecules, 2024, Vol 29, Issue 8, p1742
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules29081742