Polyester film for capacitor

Details Polyester film for capacitor Polyester film for capacitor

1991-10-25

1992-10-06

Acquah, Samuel A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528298, 528302, 528307, 528308, 5283086, 528493, 428364, 361212, C08G 6388

Patent

active

051533022

ABSTRACT:
A biaxially oriented polyester film for use in a capacitor having improved break down strength, which polyester having an acid component at least 90% by mole of which is terephthalic acid and a glycol component at least 97% by mole of which is 1,4-cyclohexanedimenthanol, in which film, an extracted amount with chloroform is not more than 1.3% by weight per 24 hours.

REFERENCES:
patent: 3956228 (1976-11-01), Nogami et al.
patent: 4059715 (1977-11-01), Pletcher
patent: 4284699 (1981-08-01), Berwick et al.
patent: 4568616 (1986-02-01), Seifried et al.
patent: 4786708 (1988-11-01), Serini et al.
patent: 5004649 (1991-04-01), Yamasaki et al.
patent: 5069962 (1991-12-01), Okazaki et al.

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