| 摘要 |
Polyestercarbonate resin is disclosed having a molecular structure that contains units derived from dicarboxylic acids and units derived from at least one diphenol selected from the group consisting of formula (IIa) and (IIb) in which R1 to R7 each independently of the others represents hydrogen, halogen, a C1- to C12-alkyl radical, a C6- to C19-aryl radical, a C7- to C12-aralkyl radical. Also disclosed are the processes for their preparation, and their use in the production of molded articles and extrudates.
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