| 摘要 |
A polyester resin composition which is excellent in the crystallization rate is provided. This is a polyester resin composition comprising 0.001 to 5 parts by mass of a metal salt of a sulfonamide compound (b) represented by the following General Formula (1):
(wherein, in General Formula (1), M represents a monovalent metal atom; R 1 and R 2 each independently represents a hydrogen atom, a C 1 -C 10 branched or linear alkyl group which optionally has a substituent, or a C 3 -C 30 cyclic group which optionally has a substituent; and R 1 and R 2 are optionally linked together to form a cyclic group) and 0.1 to 10 parts by mass of a plasticizer (c) with respect to 100 parts by mass of a polyester resin (a).
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