| 摘要 |
<p>Poly(arylene ketones) are prepared by the reaction of difunctional aromatic compounds with derivatives of thio- or dithiocarbonic acids in the presence of a catalyst system. In a preferred embodiment, diphenyl ether reacts with S-methyl chlorothioformate in HF/BF3 to produce poly(p-phenyleneoxy-p-phenylene carbonyl), that is a polymer having the repeating unit < IMG ></p> |
