Investigation of the Cyclization Mechanism of Poly(acrylonitrile-co-ethylenesulfonic acid) Copolymer during Thermal Oxidative Stabilization by In Situ Infrared Spectroscopy

• DOI: 10.1021/acs.iecr.0c00977
• Publication Date: 2020-05-05T18:17:52Z
• Authors: Zhipeng He; Huichao Liu; Shuo Zhang; Jinglong Yang; Chi Jiang; Muwei Ji; Jiali Yu; Mingliang Wang; Caizhen Zhu; Jian Xu
• Keywords: 02 engineering and technology; 0210 nano-technology

Cyclization reaction is a crucial step during heat treatment process of polyacrylonitrile (PAN)-based carbon fibers (CFs). In this work, in-situ infrared spectroscopy and two-dimensional (2D) corre...