The interfacial character of a fracture
surface usually identifies the precise location of the crack path in
the interphase.Inthiswork,theeffectofageingat80 1C for3hon
the peel strength properties of both PSA and E-PSA was investigated.
It is clear that the failure of all samples was due to their adhesive
properties.This result implies that the thermal resistance of the
adhesive was improved by adding PVA.