| abstract |
The present invention relates to a polyester composition comprising a polyester, a magnesium compound, an alkali metal compound and a phosphorus compound, wherein a magnesium atom is contained in an amount of 400 to 2,700 ppm, an alkali metal atom is contained in an amount of 40 to 270 ppm, and containing the 200~1,700 ppm, a melt specific resistance is polyester composition 0.005 × 10 8 ~0.05 × 10 8 Ω · ㎝ , and foreign matter particles are small masterbatch is observed under certain conditions, have a sufficiently low melt resistivity, the foreign material And is excellent in color tone and thermal stability. |