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Title: Stimuli-Responsive, Hydrolyzable Poly(Vinyl Laurate- co -vinyl Acetate) Nanoparticle Platform for In Situ Release of Surfactants
Authors:
; ; ; ;
Award ID(s):
1719875
Publication Date:
NSF-PAR ID:
10325436
Journal Name:
ACS Applied Materials & Interfaces
Volume:
13
Issue:
21
Page Range or eLocation-ID:
25553 to 25562
ISSN:
1944-8244
Sponsoring Org:
National Science Foundation
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  1. Hierarchically microstructured tri-axial poly(vinyl alcohol)/graphene nanoplatelet (PVA/GNP) composite fibers were fabricated using a dry-jet wet spinning technique. The composites with distinct PVA/GNPs/PVA phases led to highly oriented and evenly distributed graphene nanoplatelets (GNPs) as a result of molecular chain-assisted interfacial exfoliation. With a concentration of 3.3 wt% continuously aligned GNPs, the composite achieved a ∼73.5% increase in Young's modulus (∼38 GPa), as compared to the pure PVA fiber, and an electrical conductivity of ∼0.38 S m −1 , one of the best mechanical/electrical properties reported for polymer/GNP nanocomposite fibers. This study has broader impacts on textile engineering, wearable robotics, smart sensors, and optoelectronic devices.