Entanglement Density-Dependent Energy Absorption of Polycarbonate Films via Supersonic Fracture
Abstract
The fracture behavior of glassy polymers is strongly coupled to molecular parameters such as entanglement density as well as extrinsic parameters such as strain rate and test temperature. Here we use laser-induced projectile impact testing (LIPIT) to study the extreme strain rate (≈107 s–1) puncture behavior of free-standing polycarbonate (PC) thin films. We demonstrate that changes to the PC molecular mass and the degree of plasticization can...
Paper Details
Title
Entanglement Density-Dependent Energy Absorption of Polycarbonate Films via Supersonic Fracture
Published Date
Jun 18, 2019
Journal
Volume
8
Issue
7
Pages
806 - 811
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