| 摘要 |
<p>A process for producing a polycarbonate with excellent quality efficiently through transesterification using a reduced amount of a transesterification catalyst, which process comprises adding to the reaction system 10-6-10-1 mol, per mole of a dihydroxy compound as the main starting material, of a phenol selected from the group consisting of monohydric and dihydric phenols and mixtures thereof and having an acidity higher than that of the dihydroxy compound.</p> |
