Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session TT05: V: Composites, Confinement, and Interfaces in Polymer Systems
3:30 PM–5:30 PM,
Tuesday, March 21, 2023
Room: Virtual Room 5
Sponsoring
Unit:
DPOLY
Chair: Kenan Song, Arizona State University
Abstract: TT05.00008 : Forced-assembly of triblock copolymers at the transitioning interfaces from liquid-air to solid-air
5:18 PM–5:30 PM
Presenter:
Sungsook Ahn
(Cook Advanced Technologies)
Author:
Sungsook Ahn
(Cook Advanced Technologies)
With the designed triblock copolymers (ABA) having two dissimilar blocks at the center and the ends, dynamic co-solidification with a polymeric substrate is investigated in this study occurring at the interfaces changing from liquid-air to solid-air. Solidified from a planar melt/dissolved phase, parallel or perpendicular folding of polymer chains on a substrate, degree of embodiment into a substrate and the contributing efficacy of exposed segments to the whole surface property are elucidated as compared to those expected in homopolymer or diblock copolymers. In addition to the mean field theory, force balance among two dissimilar blocks and the substrate are focused upon to explain a dynamic polymer physics characteristic at the interface.
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