| 摘要 |
The present invention relates to a capacitor installed in the automobile engine room, comprising polyethylene-2,6-naphthalate film comprising polyethylene-2,6-naphthalate with an intrinsic viscosity (IV) of not less than 0.56 and having a degree of crystallinity of 32 to 42%, the film elongation retention after a 3,000-hour degradation test at 170° C. being not less than 50%, and the residual elongation of the film after said test being not less than 30%.
|
