(2,3,4,5,6-pentafluorobenzoyl) diphenyl ether compound, and fluorine-containing aryl ether ketone polymer

摘要

A (2,3,4,5,6-pentafluorobenzoyl)diphenyl ether compound represented by the formula (I): ;wherein R stands for a hydroxyl group or a group represented by ;ether ketone polymer represented by the formula (II): ;wherein n stands for a degree of polymerization, m is an integer of 0 or 1, and R¹ stands for a group represented by the formula (III): ;wherein p is an integer 0 or 1 and R² stands for