Covalent Adaptable Networks as Potential Adhesives
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Covalent Adaptable Networks as Potential Adhesives

What are Covalent Adaptable Networks?

When: December 18, 2019
10:00 am
Where: Live Webinar
United States
Presenter: Christopher Bowman, University of Colorado
Contact: Martha Mittelstaedt
(301) 986-9700 x1103

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Webinar Time: December 18, 2019; 10:00 AM - 11:00 AM ET (including Q&A)

Webinar Description:

Polymer networks possessing crosslinks based on dynamic covalent chemistry constitute a class of materials with unique capabilities including the capacity for adapting to an externally applied stimulus. These covalent adaptable networks (CANs) represent a paradigm in polymer network fabrication aimed at the rational design of structural materials and adhesives possessing dynamic characteristics for specialty applications and functions – with the opportunity for reversibly and controllably changing the material from a viscoelastic fluid to an elastic solid. Here, we will discuss two distinct classes of CANs with photochemically or thermally triggered transitions and their potential applications as adhesives. First, those in which the reversible bond formation is controlled by exposure to light will be discussed along with the subsequent initiation of the dynamic chemistry process that facilitates polymer network relaxation, photoinduced actuation and shape memory effects, and stress relaxation. Secondly, consideration of thermally inducible CANs will be presented. Ultimately, the potential for CANs-based materials to impact numerous materials applications including adhesives will be presented in light of their distinctive array of material properties.

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