| 摘要 |
PROBLEM TO BE SOLVED: To provide a biaxial orientation polybutylene terephthalate (hereafter referred to as a biaxial orientation polybutylene terephthalate) film excellent especially in slipperiness and transparency of a film, and also excellent in tear linearity.SOLUTION: A polybutylene terephthalate resin composition in which a polyester elastomer is blended with a polybutylene terephthalate resin in the range of 1-20 wt%, preferably 5-10 wt%, and inorganic fine particles are blended therewith in the range of 0.01-0.15 wt%, preferably 0.01-0.05 wt%, is used as a raw material, and biaxially drawn simultaneously longitudinally and laterally under a specific drawing condition.SELECTED DRAWING: None |
