Changes in the export market have a greater impact on the domestic 9

9,9-bis[(4-hydroxyethoxy)phenyl]fluorene, also known as bisether wat, 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene, 4,4′ -(9-fluorenylidene)bis(2-phenoxyethanol), etc., abbreviated as BPEF in English, has a relative molecular mass of 438.51 and a molecular formula of C29H26O4. 9,9-bis[(4-hydroxyethoxy)phenyl]fluorene is a new type of organic chemical raw material with high stability, which can be used in condensation reactions to prepare products with high heat resistance,…