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Force-dependent color generation using a multifunctional mechanophore

McFadden, Molly Elizabeth and Robb, Maxwell J. (2019) Force-dependent color generation using a multifunctional mechanophore. In: 258th ACS National Meeting & Exposition, 25-29 August 2019, San Diego, CA. https://resolver.caltech.edu/CaltechAUTHORS:20190812-092657650

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Abstract

Stimuli-responsive polymers that provide a unique response that is coupled to a variable external input create opportunities for realizing non-binary multifunctional materials. Mechanochem. responsive polymers are an excellent platform for achieving novel materials innovations and exploring fundamental mechanisms of force-coupled reactivity, informing the next generation of mechanophore design. Mechanochromic polymers have been designed for visual stress reporting and damage detection; however, previously developed materials are limited to a single color transition that qual. signals the existence or absence of stress without the ability to differentiate between applied external forces of different magnitudes. Here, we report a mechanophore capable of multiple force-activated transformations resulting in distinct color states at different applied forces. The demonstration of force-correlated mechanochromism is an important step toward the development of advanced, quant. remote sensing strategies to evaluate the status of polymeric materials in demanding applications.


Item Type:Conference or Workshop Item (Paper)
Related URLs:
URLURL TypeDescription
https://www.acs.org/content/acs/en/meetings/national-meeting.htmlOrganizationConference Website
ORCID:
AuthorORCID
McFadden, Molly Elizabeth0000-0003-3174-6385
Robb, Maxwell J.0000-0002-0528-9857
Additional Information:© 2019 American Chemical Society.
Record Number:CaltechAUTHORS:20190812-092657650
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190812-092657650
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97756
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 Aug 2019 16:41
Last Modified:03 Oct 2019 21:34

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