abstract |
The present invention relates to a biaxially oriented polyester film comprising the inorganic particulate slip agent of aluminum hydroxide or THETA -alumina having an average diameter ranging from 0.1005 to 3 mu m and Mohs hardness of 6 or more, in an amount ranging from 0.01 to 4 wt % based on the weight of the polyester, which has improved surface properties, abrasion resistance and scratch resistance. |