| 摘要 |
Disclosed is an aromatic polyester resin composition which is a molten mixture of 99-70 parts by weight of an aromatic polyester resin and 1-30 parts by weight of a polyglycolic acid resin. This aromatic polyester resin composition is characterized in that the aromatic polyester resin is obtained by polymerization using a germanium compound (catalyst), and the polyglycolic acid resin is obtained by ring-opening polymerization of glycolide. Consequently, the aromatic polyester resin composition, which is obtained by blending a relatively small amount of a polyglycolic acid resin into an aromatic polyester resin, is effectively suppressed in gas generation during melt processing. In addition, the aromatic polyester resin composition has good gas barrier properties.
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