Research progress in the synthesis of PPVE by pyrolysis method
As a critical fluorine chemical monomer,PPVE is primarily synthesized through pyrolysis.This process involves utilizing hexafluoropropylene oxide dimer((HFPO)2)as a raw material,leading to PPVE through a series of reactions including salt formation and decarboxylation.The research progress in the pyrolysis method for synthesizing PPVE is overviewed.The direct pyrolysis method offers a relatively simple process but involves high reaction temperature and yields various by-products;The catalytic pyrolysis method operates at lower temperature,exhibits higher selectivity,and requires strict operation,making it a promising approach for PPVE preparation.
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