Issue 23, 2011

Mechanochromic systems for the detection of stress, strain and deformation in polymeric materials

Abstract

The detection of stress in polymeric materials such as plastics, elastomers, composites and coatings is critical in the monitoring of material failure including stress fractures, fatigue and hysteresis. Mechanochromic systems that utilise a change in fluorescent output as a result of the mechanical deformation of a polymer have only been actively investigated relatively recently and whilst the field is still relatively small a considerable number of examples of such systems now exist. This article will discuss the principles behind such systems and review examples in the literature and survey the most common fluorophores used in such systems including phenylene vinylene oligomeric derivatives, polycyclic aromatic compounds, carbazole derivatives and conjugated polymers.

Graphical abstract: Mechanochromic systems for the detection of stress, strain and deformation in polymeric materials

Article information

Article type
Feature Article
Submitted
04 Dec 2010
Accepted
18 Feb 2011
First published
18 Mar 2011

J. Mater. Chem., 2011,21, 8256-8268

Mechanochromic systems for the detection of stress, strain and deformation in polymeric materials

D. R. T. Roberts and S. J. Holder, J. Mater. Chem., 2011, 21, 8256 DOI: 10.1039/C0JM04237D

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