Research on tensile strength and thermal analysis of graphene based polymer nanocomposite for food packaging

Abstract

Polyethylene terephthalate (PET) is widely used for packaging due to its superior strength and stiffness, excellent dimensional stability, outstanding chemical and heat resistance. In this project intends to improve the mechanical, thermal and permeability of PET by adding grapheme. PET/Graphene blend have been prepared by melt blending process using a co-rotating twin-screw micro compounder (X pore 15, Netherlands) attached with a mini injection molder. The processing temperature has been kept as 240, 260 and 270 0C for the three successive zones of the extruder with a screw speed of 40 rpm (acceleration rate: 50 rpm). Injection molding parameters were fixed as mold temperature at 120 0C, melt temperature at 245 0C Injection time as 4 min and injection pressure 10 bar. The aim of the present work is to study the Mechanical properties and thermal properties of PET/Graphene Nano composites.