Patent ID: 6617006
Filing Date: 2003-09-09
Classification: B32B,C08G,Y10S,Y10T

Abstract:
A biaxially oriented polyester film to be laminated on a metal plate and molded, which comprises an aromatic polyester composition comprising:(A) an aromatic polyester which comprises ethylene terephthalate as the main recurring unit and a titanium compound and a phosphorus compound both of which satisfy at least one of the following expressions (1) and (2): 0.1&lE;Ti/P&lE;3.0â€ƒâ€ƒ(1) 5&lE;Ti+P&lE;60â€ƒâ€ƒ(2) wherein Ti is the amount (mmol %) of elemental titanium of the titanium compound contained in the aromatic polyester and P is the amount (mmol %) of elemental phosphorus of the phosphorus compound contained in the aromatic polyester,and the following expression (3):2&lE;Ti&lE;20â€ƒâ€ƒ(3) wherein Ti is as defined hereinabove,and which contains alkali metal compounds, a germanium compound and an antimony compound in a total amount of not more than 3 ppm in terms of the total of elemental alkali metals, elemental germanium and elemental antimony; and(B) 0.05 to 5.0 wt % based on the aromatic polyester composition of inert fine particles having an average particle diameter of 2.5 &mgr;m or less.