4,4, - (2,2,2-trifluoro-1-trifluoromethyl) ethylenebis (1,2-benzenedicarboxylic acid)
This product has high thermal stability and weather resistance, and is mainly used as a modifier for preparing high-performance polyester materials, as well as an additive for photosensitizers and polymerization catalysts. It can also be used in etching solutions.