Results 201 to 210 of about 4,110,050 (252)

The Shape Memory Effect in Polymers

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Victor A Beloshenko, V N Varyukhin, Yurii V Voznyak   +2 more
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Medical applications of shape memory polymers

Biomedical Materials, 2007
Shape memory polymers (SMP) are lightweight, have a high strain/shape recovery ability, are easy to process, and required properties can be tailored for variety of applications. Recently a number of medical applications have been considered and investigated, especially for polyurethane-based SMP.
Witold, Sokolowski, Annick, Metcalfe, Shunichi, Hayashi, L'Hocine, Yahia, Jean, Raymond   +4 more
openaire   +2 more sources

Shape-Memory Polymers and Shape-Changing Polymers

2009
The ability of polymers to respond to external stimuli is of high scientific and technological significance. In the last few years, research activities have been intensified substantially, exploring whether stimuli-sensitive polymers can be designed that move actively. In this review actively-moving materials were classified according to the underlying
Marc Behl, Jörg Zotzmann, Andreas Lendlein   +2 more
openaire   +1 more source

Optimization of the shape memory effect in shape memory polymers

Journal of Polymer Science Part A: Polymer Chemistry, 2011
AbstractIn this article, we show that given a thermoresponsive shape memory polymer, it is possible to alter a number of its properties, such as the recovery temperature, shape fixity ratio, maximum recovery stress, and final recovery stress (and even a right combination of some of them, e.g., the maximum recovery stress and final recovery stress ...
L. Sun, W. M. Huang, C. C. Wang, Y. Zhao, Z. Ding, H. Purnawali   +5 more
openaire   +1 more source

Modeling the shape memory effect of shape memory polymer

SPIE Proceedings, 2009
Dynamic mechanical analysis (DMA) tests are conducted on the styrene-based shape memory polymer (SMP) to investigate its state transition behaviors. Tensile tests at various constant temperatures are carried out to reveal the stressstrain- temperature relationship of the styrene-based SMP.
Bo Zhou, Yanju Liu, Zhenqing Wang, Jin-Song Leng   +3 more
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Nanoparticle Netpoints for Shape‐Memory Polymers

Angewandte Chemie International Edition, 2011
This work was supported by Award No. KUS-C1-018-02, made by King Abdullah University of Science and Technology (KAUST), and by the National Science Foundation, Award No. DMR-1006323. Facilities available though the Cornell Center for Materials Research (CCMR) were used for this study.
Agarwal, Praveen, Chopra, Madhur, Archer, Lynden A.   +2 more
openaire   +3 more sources

Enzymatically triggered shape memory polymers

Acta Biomaterialia, 2019
Cytocompatible shape memory polymers activated by thermal or photothermal triggers have been developed and established as powerful "smart material" platforms for both basic and translational research. Shape memory polymers (SMPs) that could be triggered directly by biological activity have not, in contrast, been reported.
Shelby L. Buffington, Justine E. Paul, Matthew M. Ali, Mark M. Macios, Patrick T. Mather, James H. Henderson   +5 more
openaire   +2 more sources

pH‐Induced Shape‐Memory Polymers

Macromolecular Rapid Communications, 2012
AbstractA novel pH sensitive shape‐memory polymer (SMP) is prepared by cross‐linking the β‐cyclodextrin modified alginate (β‐CD‐Alg) and diethylenetriamine modified alginate (DETA‐Alg): The pH reversible β‐CD‐DETA inclusion complexes serve as a reversible phase, and the cross‐linked alginate chains serve as a fixing phase.
Xiao-Juan, Han, Zhen-Qiang, Dong, Min-Min, Fan, Yan, Liu, Jian-Hu, li, Yi-Fu, Wang, Qi-Juan, Yuan, Bang-Jing, Li, Sheng, Zhang   +8 more
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Light-induced shape-memory polymers

Nature, 2005
Materials are said to show a shape-memory effect if they can be deformed and fixed into a temporary shape, and recover their original, permanent shape only on exposure to an external stimulus. Shape-memory polymers have received increasing attention because of their scientific and technological significance.
Andreas, Lendlein, Hongyan, Jiang, Oliver, Jünger, Robert, Langer   +3 more
openaire   +2 more sources

Shape-Memory and Shape-Changing Polymers

Polymer Reviews, 2013
This article is a perspective that introduces several review articles in the field of shape-memory and shape-changing polymers. It is intended to emphasize the versatility of these materials as active, smart polymers as well as highlight the potential impact of these materials.
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