| 摘要 |
The present invention discloses A polyester resin composition comprising: (a) a first resin component containing a copolymer of a polyester component with a lactone component, and (b) a second resin component containing a polyester resin, wherein the content of the first resin component in the composition is 30-70% based on the total weight the composition. Also, the invention discloses a cable comprising a conductor and at least one insulation layer covered around the conductor, wherein the insulation layer is made of the polyester resin composition. The inventive polyester resin composition is easily introduced with additives, has a significantly reduced possibility of hydrolysis and thus an improved thermal resistance, shows a wide elastic region, and is excellent in processability, impact resistance, thermal resistance and oil resistance
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