Self-healing multiphase polymers via dynamic metal-ligand interactions

Davoud Mozhdehi; Sergio Ayala; Olivia R. Cromwell; Zhibin Guan

doi:10.1021/ja5097094

Self-healing multiphase polymers via dynamic metal-ligand interactions

Davoud Mozhdehi, Sergio Ayala, Olivia R. Cromwell, Zhibin Guan

Research output: Contribution to journal › Article › peer-review

398 Scopus citations

Abstract

A new self-healing multiphase polymer is developed in which a pervasive network of dynamic metal-ligand (zinc-imidazole) interactions are programmed in the soft matrix of a hard/soft two-phase brush copolymer system. The mechanical and dynamic properties of the materials can be tuned by varying a number of molecular parameters (e.g., backbone/brush degree of polymerization and brush density) as well as the ligand/metal ratio. Following mechanical damage, these thermoplastic elastomers show excellent self-healing ability under ambient conditions without any intervention.

Original language	English (US)
Pages (from-to)	16128-16131
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	136
Issue number	46
DOIs	https://doi.org/10.1021/ja5097094
State	Published - Nov 19 2014
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja5097094

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abstract = "A new self-healing multiphase polymer is developed in which a pervasive network of dynamic metal-ligand (zinc-imidazole) interactions are programmed in the soft matrix of a hard/soft two-phase brush copolymer system. The mechanical and dynamic properties of the materials can be tuned by varying a number of molecular parameters (e.g., backbone/brush degree of polymerization and brush density) as well as the ligand/metal ratio. Following mechanical damage, these thermoplastic elastomers show excellent self-healing ability under ambient conditions without any intervention.",

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AB - A new self-healing multiphase polymer is developed in which a pervasive network of dynamic metal-ligand (zinc-imidazole) interactions are programmed in the soft matrix of a hard/soft two-phase brush copolymer system. The mechanical and dynamic properties of the materials can be tuned by varying a number of molecular parameters (e.g., backbone/brush degree of polymerization and brush density) as well as the ligand/metal ratio. Following mechanical damage, these thermoplastic elastomers show excellent self-healing ability under ambient conditions without any intervention.

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Self-healing multiphase polymers via dynamic metal-ligand interactions

Abstract

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