POLYESTER RESIN COMPOSITION, AND RESIN MOLDING AND RESIN BOTTLE CONTAINER OBTAINED BY MOLDING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an environmentally-friendly polyester resin composition which has excellent oxygen absorbing power, suppresses yellowing in an alkali washing step in a recycling treatment process, and can be recycled as a polyester resin.

SOLUTION: The polyester resin composition comprises (A) a compound having carbon-carbon unsaturated bonds and comprising a 1,2-polymer structure represented by general formula (1) and a 1,4-polymer structure represented by general formula (2) wherein a ratio of (1) to the total amount of (1) and (2) is≥50 mass%, (B) a transition metal compound and (C) a thermoplastic polyester resin.

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