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Effect of Regioisomerism on Processability and Mechanical Properties of Amine/Urea Exchange Based Poly(urea-urethane) Vitrimers AITranslate

Ainara Erice; Itxaso Azcune; Alaitz Ruiz de Luzuriaga; Fernando Ruipérez; Mikel Irigoyen; Jon Mattin Matxain; Jose María Asua; HansJurgen Grande; Alaitz Rekondo;
Polymers & Composites;Polymers & Composites;Polymers & Composites;University of the Basque Country UPV/EHU;University of the Basque Country UPV/EHU;Kimika Fakultatea, Euskal Herriko Unibertsitatea UPV/EHU and Donostia International Physics Center (DIPC);University of the Basque Country UPV/EHU; Spain|University of the Basque Country UPV/EHU;Polymers & Composites
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Publisher: ACS
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Abstract AITranslate

In this paper, three analogous poly(urea-urethane) elastomers were thoroughly characterized to determine the effect of regioisomerism on the processability and mechanical properties of the final materials. The polymers were synthesized starting from the same isocyanate-terminated polyol and the three positional isomers of phenylenediamine hardener. The main differences on the supramolecular hydrogen-bond network, as well as on the outcome of the dynamic amine/urea exchange reaction, were determined by experimental measurements (FTIR, rheology, DMA, tensile tests) and molecular quantum chemical calculations.

KeyWords AITranslate

dynamic covalent chemistry reversible covalent bond vitrimers CAN poly(ureaurethane) elastomer regioisomerism
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.9b00589

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Citation Information:

In this paper, three analogous poly(urea-urethane) elastomers were thoroughly characterized to determine the effect of regioisomerism on the processability and mechanical properties of the final materials. The polymers were synthesized starting from the same isocyanate-terminated polyol and the three positional isomers of phenylenediamine hardener. The main differences on the supramolecular hydrogen-bond network, as well as on the outcome of the dynamic amine/urea exchange reaction, were determined by experimental measurements (FTIR, rheology, DMA, tensile tests) and molecular quantum chemical calculations.

quote

GB/T 7714-2015 [1] Ainara Erice, Itxaso Azcune, Alaitz Ruiz de Luzuriaga, et al. ACS Applied Polymer Materials, 2019(1). DOI:10.1021/acsapm.9b00589.
MLA [1] Ainara Erice, et al., ACS Applied Polymer Materials, no. 1, 2019, https://doi.org/10.1021/acsapm.9b00589.
APA [1] Ainara Erice, Itxaso Azcune, Alaitz Ruiz de Luzuriaga, Fernando Ruipérez, Mikel Irigoyen, Jon Mattin Matxain, Jose María Asua, HansJurgen Grande, & Alaitz Rekondo. (2019). ACS Applied Polymer Materials(1). https://doi.org/10.1021/acsapm.9b00589
IEEE [1] Ainara Erice, Itxaso Azcune, Alaitz Ruiz de Luzuriaga, Fernando Ruipérez, Mikel Irigoyen, Jon Mattin Matxain, Jose María Asua, HansJurgen Grande, and Alaitz Rekondo, ACS Applied Polymer Materials, no. 1, 2019, doi: 10.1021/acsapm.9b00589. keywords: {dynamic covalent chemistry;reversible covalent bond;vitrimers;CAN;poly(ureaurethane) elastomer;regioisomerism}