Thermal Transport in Ampholytic Polymers: The Role of Hydrogen Bonding and Water UptakeClick to copy article linkArticle link copied!
- Patrick HummelPatrick HummelDepartment of Chemistry, Physical Chemistry I, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, GermanyBavarian Polymer Institute, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, GermanyMore by Patrick Hummel
- Anna M. LechnerAnna M. LechnerDepartment of Chemistry, Physical Chemistry I, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, GermanyBavarian Polymer Institute, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, GermanyMore by Anna M. Lechner
- Kai HerrmannKai HerrmannDepartment of Chemistry, Physical Chemistry I, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, GermanyBavarian Polymer Institute, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, GermanyMore by Kai Herrmann
- Philip BiehlPhilip BiehlInstitute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Lessingstraße 8, D-07743 Jena, GermanyJena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, D-07743 Jena, GermanyMore by Philip Biehl
- Carsten RösselCarsten RösselInstitute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Lessingstraße 8, D-07743 Jena, GermanyJena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, D-07743 Jena, GermanyMore by Carsten Rössel
- Lisa WiedenhöftLisa WiedenhöftInstitute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Lessingstraße 8, D-07743 Jena, GermanyJena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, D-07743 Jena, GermanyMore by Lisa Wiedenhöft
- Felix H. SchacherFelix H. SchacherInstitute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Lessingstraße 8, D-07743 Jena, GermanyJena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, D-07743 Jena, GermanyMore by Felix H. Schacher
- Markus Retsch*Markus Retsch*Email: [email protected]Department of Chemistry, Physical Chemistry I, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, GermanyBavarian Polymer Institute, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, GermanyMore by Markus Retsch
Abstract
The low thermal conductivity of amorphous polymers typically prevents their usage in thermal management applications. Therefore, increasing their intrinsic thermal conductivity poses an exciting scientific challenge. One approach is to promote attractive interchain interactions. Here, we investigate the thermal conductivity of several ampholytic polymers. This unique class of polymers offers H bond donor and acceptor groups in each repeat unit and constitutes a one-component system. We use IR spectroscopy to characterize the bonding strength and motifs based on the carbonyl peak. For the dry ampholytic polymers, we find a correlation between H bond strength and thermal conductivity. We also characterized the influence of hydration under various relative humidity conditions, which mostly led to an increase in thermal conductivity. This increase can be rationalized by the formation of a water–polymer nanocomposite material and can be described by volume-weighted mixing models.
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