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Title: Design, synthesis, and characterization of lightly sulfonated multigraft acrylate-based copolymer superelastomers

Abstract

Multigraft copolymer superelastomers consisting of a poly(n-butyl acrylate) backbone and polystyrene side chains were synthesized and the viscoelastic properties of the non-sulfonated and sulfonated final materials were investigated using extensional rheology (SER3). The non-linear viscoelastic experiments revealed significantly increased true stresses (up to 10 times higher) after sulfonating only 2–3% of the copolymer while the materials maintained high elongation (<700%). The linear viscoelastic experiments showed that the storage and loss modulus are increased by sulfonation and that the copolymers can be readily tuned and further improved by increasing the number of branching points and the molecular weight of the backbone. Here, in this way, we show that by tuning not only the molecular characteristics of the multigraft copolymers but also their architecture and chemical interaction, we can acquire thermoplastic superelastomer materials with desired viscoelastic properties.

Authors:
ORCiD logo [1];  [2];  [3]; ORCiD logo [2];  [4]; ORCiD logo [1];  [1]; ORCiD logo [3]
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  1. Department of Chemistry, University of Tennessee, Knoxville, USA, Chemical Sciences Division
  2. Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, USA
  3. Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, USA
  4. Department of Chemistry, University of Tennessee, Knoxville, USA
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1418384
Alternate Identifier(s):
OSTI ID: 1423075
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Published Article
Journal Name:
RSC Advances
Additional Journal Information:
Journal Name: RSC Advances Journal Volume: 8 Journal Issue: 10; Journal ID: ISSN 2046-2069
Publisher:
Royal Society of Chemistry (RSC)
Country of Publication:
United Kingdom
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Misichronis, Konstantinos, Wang, Weiyu, Cheng, Shiwang, Wang, Yangyang, Shrestha, Umesh, Dadmun, Mark, Mays, Jimmy W., and Saito, Tomonori. Design, synthesis, and characterization of lightly sulfonated multigraft acrylate-based copolymer superelastomers. United Kingdom: N. p., 2018. Web. doi:10.1039/C7RA08641E.
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Misichronis, Konstantinos, Wang, Weiyu, Cheng, Shiwang, Wang, Yangyang, Shrestha, Umesh, Dadmun, Mark, Mays, Jimmy W., & Saito, Tomonori. Design, synthesis, and characterization of lightly sulfonated multigraft acrylate-based copolymer superelastomers. United Kingdom. https://doi.org/10.1039/C7RA08641E
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Misichronis, Konstantinos, Wang, Weiyu, Cheng, Shiwang, Wang, Yangyang, Shrestha, Umesh, Dadmun, Mark, Mays, Jimmy W., and Saito, Tomonori. Mon . "Design, synthesis, and characterization of lightly sulfonated multigraft acrylate-based copolymer superelastomers". United Kingdom. https://doi.org/10.1039/C7RA08641E.
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@article{osti_1418384,
title = {Design, synthesis, and characterization of lightly sulfonated multigraft acrylate-based copolymer superelastomers},
author = {Misichronis, Konstantinos and Wang, Weiyu and Cheng, Shiwang and Wang, Yangyang and Shrestha, Umesh and Dadmun, Mark and Mays, Jimmy W. and Saito, Tomonori},
abstractNote = {Multigraft copolymer superelastomers consisting of a poly(n-butyl acrylate) backbone and polystyrene side chains were synthesized and the viscoelastic properties of the non-sulfonated and sulfonated final materials were investigated using extensional rheology (SER3). The non-linear viscoelastic experiments revealed significantly increased true stresses (up to 10 times higher) after sulfonating only 2–3% of the copolymer while the materials maintained high elongation (<700%). The linear viscoelastic experiments showed that the storage and loss modulus are increased by sulfonation and that the copolymers can be readily tuned and further improved by increasing the number of branching points and the molecular weight of the backbone. Here, in this way, we show that by tuning not only the molecular characteristics of the multigraft copolymers but also their architecture and chemical interaction, we can acquire thermoplastic superelastomer materials with desired viscoelastic properties.},
doi = {10.1039/C7RA08641E},
journal = {RSC Advances},
number = 10,
volume = 8,
place = {United Kingdom},
year = {2018},
month = {1}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1039/C7RA08641E
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Figures / Tables:

Scheme 1 Scheme 1: (a) Synthesis of the PS macromonomer and (b) synthetic route and post-polymerization sulfonation of the multigraft copolymers.
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    Figures / Tables found in this record:

    Scheme 1 (p. 2)figure
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    Figure 3 (p. 6)figure
    Figure 4 (p. 7)figure
    Figure 5 (p. 7)figure
    Table 2 (p. 8)table
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