Biaxially oriented laminated polyester film

A biaxially oriented laminated polyester film comprising: (A) a first thin polyester layer formed from an aromatic polyester containing two kinds of inert fine particles having different size and (B) a second polyester layer formed from an aromatic polyester, on at least one surface of which the abo...

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Hauptverfasser: ETCHU, MASAMI, MUROOKA, HIROFUMI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A biaxially oriented laminated polyester film comprising: (A) a first thin polyester layer formed from an aromatic polyester containing two kinds of inert fine particles having different size and (B) a second polyester layer formed from an aromatic polyester, on at least one surface of which the above first thin polyester layer is present. This biaxially oriented laminated polyester film is is excellent in lubricity, abrasion resistance and scratch resistance and is particularly useful as a base film for a magnetic recording medium.