Role of the Intercrystalline Tie Chains Network in the Mechanical Response of Semicrystalline Polymers

TitleRole of the Intercrystalline Tie Chains Network in the Mechanical Response of Semicrystalline Polymers
Publication TypeJournal Article
Year of Publication2017
AuthorsJabbari-Farouji, Sara, Olivier Lame, Michel Perez, Joerg Rottler, and Jean-Louis Barrat
JournalPhysical Review Letters
Volume118
Pagination217802
AbstractWe examine the microscopic origin of the tensile response in semicrystalline polymers by performing large-scale molecular dynamics simulations of various chain lengths. We investigate the microscopic rearrangements of the polymers during tensile deformation and show that the intercrystalline chain connections known as tie chains contribute significantly to the elastic and plastic response. These results suggest that the mechanical behavior of semicrystalline polymers is controlled by two interpenetrated networks of entanglements and tie chains.
URLhttps://link.aps.org/doi/10.1103/PhysRevLett.118.217802
DOI10.1103/PhysRevLett.118.217802
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