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Title: An Acrylonitrile–Butadiene–Lignin Renewable Skin with Programmable and Switchable Electrical Conductivity for Stress/Strain-Sensing Applications

Abstract

We report an approach for programming electrical conductivity of a bio-based leathery skin devised with a layer of 60 nm metallic nanoparticles. Lignin-based renewable shape-memory materials were made, for the first time, to program and restore the materials’ electrical conductivity after repeated deformation up to 100% strain amplitude, at a temperature 60–115 °C above the glass transition temperature (T g) of the rubbery matrix. We cross-linked lignin macromolecules with an acrylonitrile–butadiene rubbery melt in high quantities ranging from 40 to 60 wt % and processed the resulting thermoplastics into thin films. Chemical and physical networks within the polymeric materials significantly enhanced key characteristics such as mechanical stiffness, strain fixity, and temperature-stimulated recovery of shape. The branched structures of the guaiacylpropane-dominant softwood lignin significantly improve the rubber’s T g and produced a film with stored and recoverable elastic work density that was an order of magnitude greater than those of the neat rubber and of samples made with syringylpropane-rich hardwood lignin. The devices could exhibit switching of conductivity before and after shape recovery.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division, Carbon and Composites Group
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Bioenergy Technologies Office (EE-3B)
OSTI Identifier:
1429206
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Macromolecules
Additional Journal Information:
Journal Volume: 51; Journal Issue: 1; Journal ID: ISSN 0024-9297
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Nguyen, Ngoc A., Meek, Kelly M., Bowland, Christopher C., Barnes, Sietske H., and Naskar, Amit K. An Acrylonitrile–Butadiene–Lignin Renewable Skin with Programmable and Switchable Electrical Conductivity for Stress/Strain-Sensing Applications. United States: N. p., 2017. Web. doi:10.1021/acs.macromol.7b02336.
Nguyen, Ngoc A., Meek, Kelly M., Bowland, Christopher C., Barnes, Sietske H., & Naskar, Amit K. An Acrylonitrile–Butadiene–Lignin Renewable Skin with Programmable and Switchable Electrical Conductivity for Stress/Strain-Sensing Applications. United States. doi:10.1021/acs.macromol.7b02336.
Nguyen, Ngoc A., Meek, Kelly M., Bowland, Christopher C., Barnes, Sietske H., and Naskar, Amit K. Thu . "An Acrylonitrile–Butadiene–Lignin Renewable Skin with Programmable and Switchable Electrical Conductivity for Stress/Strain-Sensing Applications". United States. doi:10.1021/acs.macromol.7b02336. https://www.osti.gov/servlets/purl/1429206.
@article{osti_1429206,
title = {An Acrylonitrile–Butadiene–Lignin Renewable Skin with Programmable and Switchable Electrical Conductivity for Stress/Strain-Sensing Applications},
author = {Nguyen, Ngoc A. and Meek, Kelly M. and Bowland, Christopher C. and Barnes, Sietske H. and Naskar, Amit K.},
abstractNote = {We report an approach for programming electrical conductivity of a bio-based leathery skin devised with a layer of 60 nm metallic nanoparticles. Lignin-based renewable shape-memory materials were made, for the first time, to program and restore the materials’ electrical conductivity after repeated deformation up to 100% strain amplitude, at a temperature 60–115 °C above the glass transition temperature (Tg) of the rubbery matrix. We cross-linked lignin macromolecules with an acrylonitrile–butadiene rubbery melt in high quantities ranging from 40 to 60 wt % and processed the resulting thermoplastics into thin films. Chemical and physical networks within the polymeric materials significantly enhanced key characteristics such as mechanical stiffness, strain fixity, and temperature-stimulated recovery of shape. The branched structures of the guaiacylpropane-dominant softwood lignin significantly improve the rubber’s Tg and produced a film with stored and recoverable elastic work density that was an order of magnitude greater than those of the neat rubber and of samples made with syringylpropane-rich hardwood lignin. The devices could exhibit switching of conductivity before and after shape recovery.},
doi = {10.1021/acs.macromol.7b02336},
journal = {Macromolecules},
issn = {0024-9297},
number = 1,
volume = 51,
place = {United States},
year = {2017},
month = {12}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

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Cited by: 4 works
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Figures / Tables:

Scheme 1 Scheme 1: Preparation of a Programmable Electrically Conducting Material Employing Silver Nanoparticles Coated on an ABL Shape Memory Substrate: (1) Shape Memory Material, ABL with 40 wt % SW Lignin; (2) Polystyrene (PS) Coating; (3) Silver Nanoparticle (AgNP) Blade Coating; (4) Rolling; (5) Dragging; and (6) Handling of Programmable Electricalmore » Conducting Material (Dimensions in the Illustrations Are Not to Scale)« less

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