POLYESTER FILM WITH ROUGHENED SURFACE

摘要

PURPOSE:To obtain a polyester film with a roughened surface which does not cause filter clogging in the melt line of the polymer, does not break when oriented and excels in surface roughness. CONSTITUTION:A polyester film with a roughened surface which is at least uniaxially oriented and consists mainly of 80-97wt.% polyester comprising ethylene terephthalate and 3-20wt.% polyexamethyleneadipamide.