2024
DOI: 10.1002/app.56435
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Synthesis and thermal behavior of acrylonitrile/guanidine crotonate copolymer for carbon fiber precursor

Yuhang Wang,
Hamza Malik,
Jian He
et al.

Abstract: The thermal oxidation stabilization of polyacrylonitrile (PAN) copolymer is a highly exothermic process. It significantly impacts the quality of the finished PAN‐based carbon fiber, which is often addressed by adding appropriate comonomers. This paper synthesized guanidine crotonate (GCA) as a comonomer and copolymerized with acrylonitrile (AN) to prepare P(AN‐GCA). DSC analysis revealed that when compared to PAN and P(AN‐CA) copolymers, the initial exothermic temperature, maximum exothermic heat flux, and hea… Show more

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