Upcycling of post-consumer polyolefin plastics to covalent adaptable networks via in situ continuous extrusion cross-linking. Issue 8 (7th April 2021)

• Record Type: Journal Article
• Authors: Wang, Sheng; Ma, Songqi; Qiu, Jianfan; Tian, Anping; Li, Qiong; Xu, Xiwei; Wang, Binbo; Lu, Na; Liu, Yanlin; Zhu, Jin
• Is Part Of: Green chemistry. Volume 23:Issue 8(2021)
• Page Start: 2931
• Page End: 2937
• Publication Date: 2021-04-07
• Subjects: Environmental chemistry -- Industrial applications -- Periodicals; Environmental management -- Periodicals; 660
• DOI: 10.1039/d0gc04337k
• Languages: English
• ISSNs: 1463-9262

Abstract

Abstract : Post-consumer plastic bags were upcycled to covalent adaptable networks (CANs) based on internally catalyzed anhydride monoester transesterification. Abstract : The huge amount of plastic waste is imperiling our daily life. Here, we designed a green and efficient large-scale one-pot method combining grafting and reversible cross-linking on a twin-screw extruder. Post-consumer plastic bags were upcycled to covalent adaptable networks (CANs) based on internally catalyzed anhydride monoester transesterification, and superior performance and reprocessability at elevated temperatures were achieved. This work provides a new idea for upcycling post-consumer polyolefin plastics, and the produced materials show great potential to be used at the industrial scale.