Patent ID: 6130311
Filing Date: 2000-10-10
Classification: B29C,B29K,C08J,H01G,Y10S,Y10T

Abstract:
A biaxially oriented PET film having one or more layers and a thickness of .ltoreq. 10 .mu.m, and having a low transverse shrinkage at high temperatures, where the mechanical consolidation coefficient MC is determined from the following equation: ##EQU4## and where MC is .gtoreq.-2 and .ltoreq.50, andS200.sub.TD is the transverse shrinkage in % after 15 min at 200.degree. C.,S200.sub.MD is the longitudinal shrinkage in % after 15 min at 200.degree. C.,T2% is the temperature in .degree. C. at which the film elongates by 2% under a constant tension of 5 N/mm.sup.2, andE.sub.TD is the transverse modulus of elasticity (tensile modulus) in N/mm.sup.2.