Dynamic Bonds in Covalently Crosslinked Polymer Networks for Photoactivated Strengthening and Healing

A photoactivated‐strengthening polymer network is reported. This approach incorporates dynamic bonds into the network architecture, which enables a secondary polymerization triggered by UV light. Three attributes of this material are demonstrated, including: i) there is simultaneous photoinduced str...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2015-12, Vol.27 (48), p.8007-8010
Main Authors: Gordon, Melissa B., French, Jonathan M., Wagner, Norman J., Kloxin, Christopher J.
Format: Article
Language:English
Subjects:
Architecture (computers)
Covalence
Crosslinking
dynamic bonds
Dynamics
Healing
iniferters
Light
Mechanical Phenomena
Networks
photopolymerization
photoresponsive polymer networks
Polymerization
Polymers - chemistry
Polyurethanes - chemistry
self-healing
Strengthening
Thiocarbamates - chemistry
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Summary:A photoactivated‐strengthening polymer network is reported. This approach incorporates dynamic bonds into the network architecture, which enables a secondary polymerization triggered by UV light. Three attributes of this material are demonstrated, including: i) there is simultaneous photoinduced strengthening and healing after the material is severed, ii) bulk property changes are spatially confined via photopatterning, and iii) there is permanent shape change post‐irradiation.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201503870