Ionic Modification Turns Commercial Rubber into a Self-Healing Material

ACS Applied Materials & Interfaces
Amit DasGert Heinrich

Abstract

Invented by Charles Goodyear, chemical cross-linking of rubbers by sulfur vulcanization is the only method by which modern automobile tires are manufactured. The formation of these cross-linked network structures leads to highly elastic properties, which substantially reduces the viscous properties of these materials. Here, we describe a simple approach to converting commercially available and widely used bromobutyl rubber (BIIR) into a highly elastic material with extraordinary self-healing properties without using conventional cross-linking or vulcanising agents. Transformation of the bromine functionalities of BIIR into ionic imidazolium bromide groups results in the formation of reversible ionic associates that exhibit physical cross-linking ability. The reversibility of the ionic association facilitates the healing processes by temperature- or stress-induced rearrangements, thereby enabling a fully cut sample to retain its original properties after application of the self-healing process. Other mechanical properties, such as the elastic modulus, tensile strength, ductility, and hysteresis loss, were found to be superior to those of conventionally sulfur-cured BIIR. This simple and easy approach to preparing a commercial ru...Continue Reading

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Citations

Feb 3, 2016·ACS Applied Materials & Interfaces·Min Wook LeeAlexander L Yarin
May 21, 2016·Advanced Materials·Kailong JinJohn M Torkelson
May 21, 2016·Chemical Society Reviews·Lenny Voorhaar, Richard Hoogenboom
Jun 23, 2016·ACS Applied Materials & Interfaces·Min Wook LeeAlexander L Yarin
Apr 4, 2017·Soft Matter·Antonio González-JiménezJuan L Valentín
May 5, 2017·ACS Applied Materials & Interfaces·Min Wook LeeAlexander L Yarin
Dec 16, 2016·Nature·Jason F PatrickScott R White
Jul 15, 2017·ACS Applied Materials & Interfaces·Min Wook LeeAlexander L Yarin
May 24, 2018·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Kun XueXian Jun Loh
Jan 18, 2019·Macromolecular Rapid Communications·Zhongxiao LiJunping Zheng
Aug 25, 2020·Advanced Materials·Dianpeng QiYudong Huang
May 10, 2020·Proceedings of the National Academy of Sciences of the United States of America·Hao WangJinrong Wu
Apr 25, 2019·Nature Communications·Yohei MiwaShoichi Kutsumizu
Jul 2, 2018·The Journal of Chemical Physics·Mohau J MateyisiGert Heinrich
Feb 20, 2020·Soft Matter·Yohei MiwaShoichi Kutsumizu
Oct 3, 2020·The Journal of Chemical Physics·Jiaqi YanRichard J Spontak
Nov 3, 2020·Chemistry, an Asian Journal·Abdul Sattar Mohammad, Archita Patnaik
Dec 22, 2020·Advanced Materials·Yu Jun TanBenjamin C K Tee
Jan 14, 2021·Chemical Society Reviews·George T WilliamsPhilip A Gale
Jan 27, 2021·ACS Applied Materials & Interfaces·Yeyen NurhamiyahBiqiong Chen
Mar 7, 2021·Polymers·Jaime OrellanaRodrigo Araya-Hermosilla
Mar 25, 2021·Journal of Agricultural and Food Chemistry·Xingneng WeiJuane Dong
Apr 2, 2021·Waste Management·Javier Araujo-MoreraMarianella Hernández Santana
Jan 17, 2020·ACS Applied Materials & Interfaces·Christopher EllingfordChaoying Wan
Jul 18, 2018·ACS Applied Materials & Interfaces·Haoran GongFang Sun

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