Biaxially oriented film having high scratch and abrasion resistance
作者： Hartmut Hensel , Werner Schaefer , Hermann Dallmann
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摘要: A biaxially oriented and heat set film having improved abrasion resistance is described, whose distinguishing characteristics are that it has a density of more than 1.38 g/cm 3 the following relationship exists between orientation birefringence (Δn), reduced specific viscosity (RSV), temper peak (Tp) film: RSV-|Δn|-Tp/250≧0 with|Δ|=|n.sub.MD -n.sub.TD |. In addition, process for manufacturing resistant disclosed.
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