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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201701017
|2 doi
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|a pubmed24n0905.xml
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|a (NLM)28466515
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|a eng
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| 100 |
1 |
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|a van der Kooij, Hanne M
|e verfasserin
|4 aut
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| 245 |
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|a Imaging the Molecular Motions of Autonomous Repair in a Self-Healing Polymer
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 18.07.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a ErratumIn: Adv Mater. 2017 Nov;29(41):. - PMID 29095545
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Self-healing polymers can significantly extend the service life of materials and structures by autonomously repairing damage. Intrinsic healing holds great promise as a design strategy to mitigate the risks of damage by delaying or preventing catastrophic failure. However, experimentally resolving the microscopic mechanisms of intrinsic repair has proven highly challenging. This work demonstrates how optical micromechanical mapping enables the quantitative imaging of these molecular-scale dynamics with high spatiotemporal resolution. This approach allows disentangling delocalized viscoplastic relaxation and localized cohesion-restoring rebonding processes that occur simultaneously upon damage to a self-healing polymer. Moreover, frequency- and temperature-dependent imaging provides a way to pinpoint the repair modes in the relaxation spectrum of the quiescent material. These results give rise to a complete picture of autonomous repair that will guide the rational design of improved self-healing materials
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|a Journal Article
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|a laser speckle Imaging
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4 |
|a nonlinear mechanics
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|a polymer dynamics
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|a self-healing
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|a thermoplastic elastomers
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|a Susa, Arijana
|e verfasserin
|4 aut
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1 |
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|a García, Santiago J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a van der Zwaag, Sybrand
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sprakel, Joris
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 29(2017), 26 vom: 19. Juli
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:29
|g year:2017
|g number:26
|g day:19
|g month:07
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|u http://dx.doi.org/10.1002/adma.201701017
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