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Light- and heat-triggered polyurethane based on dihydroxyl anthracene derivatives for self-healing applications

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Abstract

To develop materials with self-healing properties, polyurethane (PU) was modified with anthracene derivatives which endowed the PU films with a self-healing ability. The reversibility of the characteristic reaction, thermal performance and self-healing ability of PU anthracene (PUAn) films were systematically characterized by a series of experiments, showing that the synthesized PU elastomers were endowed with a satisfactory self-healing ability and reinforced thermal stability. Furthermore, the reversible degree of this characteristic reaction is as high as 35% and TGA analyses indicated that the decomposition temperature of the PUAn8 films was increased by 30 °C. Finally, the healing process took only a short time of about 40 min and the healing efficiency of PUAn8 was enhanced up to 94.84%. The results suggest that this system opened up the prospect for the development of self-healing materials.

Graphical abstract: Light- and heat-triggered polyurethane based on dihydroxyl anthracene derivatives for self-healing applications

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Publication details

The article was received on 26 Jan 2017, accepted on 31 Mar 2017 and first published on 03 Apr 2017


Article type: Paper
DOI: 10.1039/C7TA00871F
Citation: J. Mater. Chem. A, 2017, Advance Article
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    Light- and heat-triggered polyurethane based on dihydroxyl anthracene derivatives for self-healing applications

    Y. Fang, X. Du, Z. Du, H. Wang and X. Cheng, J. Mater. Chem. A, 2017, Advance Article , DOI: 10.1039/C7TA00871F

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