Research progress in preparation of mesophase pitch by polycondensation of naphthalene-based bicyclic aromatic hydrocarbons
This paper reviews the structural characteristics,application fields,and potential impacts on the environment and health of naphthalene-based PAHs.It provides a detailed analysis of non-catalytic ther-mal condensation,pressure-induced condensation,and various catalytic condensation methods,especially the catalytic mechanisms of AlCl3,HF/BF3,transition metals,and solid superacids SO2-4/MxOy,revealing their condensation reaction mechanisms,advantages,and limitations.Finally,the unresolved issues and challenges in the field of naphthalene-based PAH condensation are proposed,providing an in-depth refer-ence for promoting scientific research and technological development in related fields.
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