Logo image
Back
Brittle fracture in associative polymers: the case of ionomer melts
Journal article   Open access

Brittle fracture in associative polymers: the case of ionomer melts

Aamir Shabbir, Qian Huang, Quan Chen, Ralph H. Colby, Nicolas J. Alvarez and Ole Hassager
Soft matter, v 12(36), pp 7606-7612
01 Jan 2016
DOI: https://doi.org/10.1039/c6sm01441k
PMID: 27539982
url
https://doi.org/10.1039/c6sm01441kView
Published, Version of Record (VoR)CC BY V4.0,  Open

Abstract

Chemistry Chemistry, Physical Materials Science Materials Science, Multidisciplinary Physical Sciences Physics Physics, Multidisciplinary Polymer Science Science & Technology Technology
Ionomers are interesting due to their applications in coatings, adhesives, films and packaging materials. A study of the underlying mechanisms for fracture in ionomers is consequently of both practical as well as theoretical interest. In this study, we employ high speed imaging coupled with uniaxial extensional rheometry to delineate the mechanics leading to the brittle fracture of ionomer melts. When these ionomers are elongated at a rate higher than the inverse relaxation time of physical crosslinks, an edge fracture occurs at a critical stress. Parabolic fracture profiles provide evidence that the phenomenon is purely elastic and bulk dissipation has little impact on the crack profile. Experimental results are interpreted within the Griffiths theory for linear elastic materials and the de Gennes theory for viscoelastic materials.

Metrics

15 Record Views
35 citations in Web of Science
36 citations in Scopus

Details

InCites Highlights

Data related to this publication, from InCites Benchmarking & Analytics tool:

Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Chemistry, Physical
Materials Science, Multidisciplinary
Physics, Multidisciplinary
Polymer Science
Logo image