Polyethylene-2,6-naphthalate film for capacitor
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United States of America Patent
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May 22, 2001
Grant Date -
N/A
app pub date -
Dec 8, 1999
filing date -
Dec 10, 1998
priority date (Note) -
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Abstract
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.degree. C. being not less than 50%, and the residual elongation of the film after said test being not less than 30%.
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