Actively moving polymers

Soft Matter
Marc Behl, Andreas Lendlein

Abstract

The ability of polymers to move actively in response to an external stimulus such as heat or light is of high scientific and technological significance. In any instance stimuli-responsive effects on the molecular level are converted into macroscopic movement, whereby generally two different moving behaviors have to be differentiated for polymer-based materials: the shape-memory effect and the shape-changing capability. Basic concepts for the molecular design of suitable polymer architectures for shape-memory polymers as well as tailored programming processes are presented. The thermally-induced shape-memory effect of polymers is described as well as the extension of this concept to other stimuli than heat. Indirect actuation of the thermally-induced effect by IR-irradiation, electric current, humidity or alternating magnetic fields are outlined as well as recent work on light-induced shape-memory polymers. For shape-changing polymers, two basic concepts are presented: shape changes occurring during phase orientation of liquid crystal elastomers (LCE) and the photomechanical effect based on photoisomerization of moieties, such as azo-groups incorporated in suitable polymer systems.

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Citations

Nov 17, 2016·Reports on Progress in Physics·Jai PrakashAshok M Biradar
Feb 5, 2009·Journal of Biomaterials Science. Polymer Edition·L Kris KostanskiRaja Ghosh
Jun 19, 2010·Journal of Biomaterials Science. Polymer Edition·Li SongSiquan Zhu
Feb 18, 2015·Science and Technology of Advanced Materials·Mitsuhiro Ebara
Mar 5, 2011·The International Journal of Artificial Organs·Patrick Yoba N'GomaAndreas Lendlein
Jan 2, 2013·Materials·Danish Iqbal, Muhammad Haris Samiullah
Feb 27, 2013·Chemical Society Reviews·Damien HabaultYue Zhao
Sep 4, 2015·Macromolecular Rapid Communications·Robin HoeherJoerg C Tiller
Jul 13, 2019·Materials·Alessandro BruniTommaso Castroflorio
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Jul 6, 2010·Macromolecular Bioscience·Yakai FengAndreas Lendlein
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Dec 18, 2012·Journal of Applied Biomaterials & Functional Materials·Christian MelchertAndreas Lendlein
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Sep 28, 2021·ACS Applied Bio Materials·Anand Utpal VakilMary Beth B Monroe
Nov 10, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Linda SalminenHeikki Tenhu

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