| 摘要 |
<p>Linear, thermoplastic, aromatic polycarbonates having an average viscosimetric molecular weight comprised within the range of from 10,000 to 30,000, endowed with high fluidity in the molten state, are obtained by means of the use of chain capping agents of phenol-amidic nature, having the general formula: <CHEM> wherein: R, R1, which can be either equal to, or different from, each other, are H or CH3; R2 is an either linear or branched alkyl radical, containing from 1 to 7 carbon atoms, or a cycloalkyl or alkylene-cycloalkyl radical of from 5 to 7 carbon atoms, with said alkyl, cycloalkyl or alkylene-cycloalkyl radicals possibly bearing a halogen atom.</p> |
