| 摘要 |
The present disclosure provides a method of preparing a poly (ether ketone ether ketone ketone) consisting essentially of the repeat unit: -Ar-O-Ar-C(=O)-Ar-O-Ar-C(=O)-Ar-C(=O)- wherein each Ar is independently an aromatic moiety, said method comprising the step of polymerising a monomer system in a single solvent reaction medium comprising: (a) a Lewis acid; and (b) a controlling agent comprising an aromatic carboxylic acid, an aromatic sulphonic acid, or a derivative thereof. |
