Exploring various metal-ligand coordination bond formation in elastomers: Mechanical performance and self-healing behavior
Dynamic covalent crosslinking such as disulfide bonds, Diels-Alder (DA) reactions are widely used for healing applications. Herein, we report a simple approach involving the metal-ligand reversible interactions in diverse nature, which helps in developing a robust and self-healable carboxylated nitr...
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| Format: | Article |
| Language: | English |
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Budapest University of Technology and Economics
2020-09-01
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| Series: | eXPRESS Polymer Letters |
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| Online Access: | http://www.expresspolymlett.com/letolt.php?file=EPL-0010533&mi=cd |
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| author | M. Das S. Pal K. Naskar |
| author_facet | M. Das S. Pal K. Naskar |
| author_sort | M. Das |
| collection | DOAJ |
| description | Dynamic covalent crosslinking such as disulfide bonds, Diels-Alder (DA) reactions are widely used for healing applications. Herein, we report a simple approach involving the metal-ligand reversible interactions in diverse nature, which helps in developing a robust and self-healable carboxylated nitrile (XNBR) rubber by employing low cost and the commercially obtainable materials. Self-healing performance and mechanical properties were organized by introducing the various metal-ligand domains into the XNBR rubber. The network of XNBR, in-situ cross-linked via metal-ligand complexes, consists of strong and weak coordination bonds. The strength of various metal-ligand modified coordination bonds, healing performance, and mechanical properties primarily depend on the type of metal ions. The Fourier transform infrared spectroscopy (FTIR) makes the various metal-ligand coordination bond formation into the XNBR rubber visible. The coordination crosslinked XNBR rubber with 4 phr of Zn and Co metal ion exhibits high tensile strength (4.3±0.6 and 10.3±1.1 MPa) with excellent healing efficiency (100 and 88%), which is far higher than the most reported non-covalent supramolecular modified elastomers. The various metal-ligand coordination bonds are fully reconstructed during the rebuilding process and exhibiting excellent self-healing property. |
| format | Article |
| id | doaj-art-c915e79b0d0b4e87ab15fbdd5b6b8384 |
| institution | Kabale University |
| issn | 1788-618X |
| language | English |
| publishDate | 2020-09-01 |
| publisher | Budapest University of Technology and Economics |
| record_format | Article |
| series | eXPRESS Polymer Letters |
| spelling | doaj-art-c915e79b0d0b4e87ab15fbdd5b6b83842025-08-20T03:36:06ZengBudapest University of Technology and EconomicseXPRESS Polymer Letters1788-618X2020-09-0114986088010.3144/expresspolymlett.2020.71Exploring various metal-ligand coordination bond formation in elastomers: Mechanical performance and self-healing behaviorM. DasS. PalK. NaskarDynamic covalent crosslinking such as disulfide bonds, Diels-Alder (DA) reactions are widely used for healing applications. Herein, we report a simple approach involving the metal-ligand reversible interactions in diverse nature, which helps in developing a robust and self-healable carboxylated nitrile (XNBR) rubber by employing low cost and the commercially obtainable materials. Self-healing performance and mechanical properties were organized by introducing the various metal-ligand domains into the XNBR rubber. The network of XNBR, in-situ cross-linked via metal-ligand complexes, consists of strong and weak coordination bonds. The strength of various metal-ligand modified coordination bonds, healing performance, and mechanical properties primarily depend on the type of metal ions. The Fourier transform infrared spectroscopy (FTIR) makes the various metal-ligand coordination bond formation into the XNBR rubber visible. The coordination crosslinked XNBR rubber with 4 phr of Zn and Co metal ion exhibits high tensile strength (4.3±0.6 and 10.3±1.1 MPa) with excellent healing efficiency (100 and 88%), which is far higher than the most reported non-covalent supramolecular modified elastomers. The various metal-ligand coordination bonds are fully reconstructed during the rebuilding process and exhibiting excellent self-healing property.http://www.expresspolymlett.com/letolt.php?file=EPL-0010533&mi=cdmechanical propertiesxnbrvarious metal-ligand bond self-healing |
| spellingShingle | M. Das S. Pal K. Naskar Exploring various metal-ligand coordination bond formation in elastomers: Mechanical performance and self-healing behavior eXPRESS Polymer Letters mechanical properties xnbr various metal-ligand bond self-healing |
| title | Exploring various metal-ligand coordination bond formation in elastomers: Mechanical performance and self-healing behavior |
| title_full | Exploring various metal-ligand coordination bond formation in elastomers: Mechanical performance and self-healing behavior |
| title_fullStr | Exploring various metal-ligand coordination bond formation in elastomers: Mechanical performance and self-healing behavior |
| title_full_unstemmed | Exploring various metal-ligand coordination bond formation in elastomers: Mechanical performance and self-healing behavior |
| title_short | Exploring various metal-ligand coordination bond formation in elastomers: Mechanical performance and self-healing behavior |
| title_sort | exploring various metal ligand coordination bond formation in elastomers mechanical performance and self healing behavior |
| topic | mechanical properties xnbr various metal-ligand bond self-healing |
| url | http://www.expresspolymlett.com/letolt.php?file=EPL-0010533&mi=cd |
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