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Title: Superstretchable, Self-Healing Polymeric Elastomers with Tunable Properties

Abstract

Utilization of self-healing chemistry to develop synthetic polymer materials that can heal themselves with restored mechanical performance and functionality is of great interest. Self-healable polymer elastomers with tunable mechanical properties are especially attractive for a variety of applications. In this paper, a series of urea functionalized poly(dimethyl siloxane)-based elastomers (U-PDMS-Es) are reported with extremely high stretchability, self-healing mechanical properties, and recoverable gas-separation performance. Tailoring the molecular weights of poly(dimethyl siloxane) or weight ratio of elastic cross-linker offers tunable mechanical properties of the obtained U-PDMS-Es, such as ultimate elongation (from 984% to 5600%), Young's modulus, ultimate tensile strength, toughness, and elastic recovery. The U-PDMS-Es can serve as excellent acoustic and vibration damping materials over a broad range of temperature (over 100 °C). The strain-dependent elastic recovery behavior of U-PDMS-Es is also studied. After mechanical damage, the U-PDMS-Es can be healed in 120 min at ambient temperature or in 20 min at 40 °C with completely restored mechanical performance. Lastly, the U-PDMS-Es are also demonstrated to exhibit recoverable gas-separation functionality with retained permeability/selectivity after being damaged.

Authors:
ORCiD logo [1];  [1];  [2];  [2];  [3];  [2];  [2];  [4];  [5];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS) and Chemical Sciences Division
  2. Univ. of Tennessee, Knoxville, TN (United States). Department of Chemistry
  3. Northwestern Univ., Evanston, IL (United States). Department of Chemical and Biological Engineering
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS)
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS) and Chemical Sciences Division; Univ. of Tennessee, Knoxville, TN (United States). Department of Chemistry
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; USDOE Office of Fossil Energy (FE)
OSTI Identifier:
1435198
Alternate Identifier(s):
OSTI ID: 1433287
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Advanced Functional Materials
Additional Journal Information:
Journal Volume: 28; Journal Issue: 22; Journal ID: ISSN 1616-301X
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; gas separation; hydrogen bonding; polymeric elastomers; self-healing; tunable mechanical properties

Citation Formats

Cao, Peng-Fei, Li, Bingrui, Hong, Tao, Townsend, Jacob, Qiang, Zhe, Xing, Kunyue, Vogiatzis, Konstantinos D., Wang, Yangyang, Mays, Jimmy W., Sokolov, Alexei P., and Saito, Tomonori. Superstretchable, Self-Healing Polymeric Elastomers with Tunable Properties. United States: N. p., 2018. Web. doi:10.1002/adfm.201800741.
Cao, Peng-Fei, Li, Bingrui, Hong, Tao, Townsend, Jacob, Qiang, Zhe, Xing, Kunyue, Vogiatzis, Konstantinos D., Wang, Yangyang, Mays, Jimmy W., Sokolov, Alexei P., & Saito, Tomonori. Superstretchable, Self-Healing Polymeric Elastomers with Tunable Properties. United States. doi:10.1002/adfm.201800741.
Cao, Peng-Fei, Li, Bingrui, Hong, Tao, Townsend, Jacob, Qiang, Zhe, Xing, Kunyue, Vogiatzis, Konstantinos D., Wang, Yangyang, Mays, Jimmy W., Sokolov, Alexei P., and Saito, Tomonori. Mon . "Superstretchable, Self-Healing Polymeric Elastomers with Tunable Properties". United States. doi:10.1002/adfm.201800741. https://www.osti.gov/servlets/purl/1435198.
@article{osti_1435198,
title = {Superstretchable, Self-Healing Polymeric Elastomers with Tunable Properties},
author = {Cao, Peng-Fei and Li, Bingrui and Hong, Tao and Townsend, Jacob and Qiang, Zhe and Xing, Kunyue and Vogiatzis, Konstantinos D. and Wang, Yangyang and Mays, Jimmy W. and Sokolov, Alexei P. and Saito, Tomonori},
abstractNote = {Utilization of self-healing chemistry to develop synthetic polymer materials that can heal themselves with restored mechanical performance and functionality is of great interest. Self-healable polymer elastomers with tunable mechanical properties are especially attractive for a variety of applications. In this paper, a series of urea functionalized poly(dimethyl siloxane)-based elastomers (U-PDMS-Es) are reported with extremely high stretchability, self-healing mechanical properties, and recoverable gas-separation performance. Tailoring the molecular weights of poly(dimethyl siloxane) or weight ratio of elastic cross-linker offers tunable mechanical properties of the obtained U-PDMS-Es, such as ultimate elongation (from 984% to 5600%), Young's modulus, ultimate tensile strength, toughness, and elastic recovery. The U-PDMS-Es can serve as excellent acoustic and vibration damping materials over a broad range of temperature (over 100 °C). The strain-dependent elastic recovery behavior of U-PDMS-Es is also studied. After mechanical damage, the U-PDMS-Es can be healed in 120 min at ambient temperature or in 20 min at 40 °C with completely restored mechanical performance. Lastly, the U-PDMS-Es are also demonstrated to exhibit recoverable gas-separation functionality with retained permeability/selectivity after being damaged.},
doi = {10.1002/adfm.201800741},
journal = {Advanced Functional Materials},
issn = {1616-301X},
number = 22,
volume = 28,
place = {United States},
year = {2018},
month = {4}
}

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Cited by: 13 works
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    Works referencing / citing this record:

    An ultrafast self-healing polydimethylsiloxane elastomer with persistent sealing performance
    journal, January 2019

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