| 摘要 |
PROBLEM TO BE SOLVED: To provide a slide fastener made of a synthetic resin that can be dyed in one color with a sufficient dyeing property and color fastness, retain sufficient mechanical strength of a fastener even after dyeing and has improved resistance against thermal deformation by an iron or the like. SOLUTION: In a slide fastener in which teeth are molded and fastened to the edges of a fastener tape by injection molding a synthetic resin melt, the main component of the fastener tape is formed of a polyester comprising ethylene terephthalate as a structural unit, and the teeth are made of a modified polyester.
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