| 摘要 |
PROBLEM TO BE SOLVED: To obtain a polyester composition which can give a molded article exhibiting good plasticity for a long period of time. SOLUTION: This polyester composition comprises a component A, a component B and a component C, wherein (A) is a polyester, (B) is a plasticizer, and (C) is a vinyl polymer comprising as a constituting unit at least one of a monomer unit bearing a functional group reactive with carboxylic group or with hydroxyl group and a monomer unit bearing an aromatic ring.
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