High strength in combination with high toughness in robust and sustainable polymeric materials
- 13 December 2019
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 366 (6471) , 1376-1379
Abstract
Strong and tough fibers: Dragline spider silk is known for its combination of strength and toughness, but this combination has been hard to replicate in synthetic fibers. Liao et al. electrospun polyacrylonitrile- co -methyl acrylate fibers modified with a small amount of poly(ethylene glycol) bisazide (PEG-BA) (see the Perspective by Fox). After collecting the electrospun yarn, it was annealed under tension that both aligned the small fibers and cross-linked them together via the PEG-BA. As hoped, the overall properties were comparable to those of spider silk. Science , this issue p. 1376 ; see also p. 1314Keywords
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