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Publisher DOI: 10.1039/C8SM00296G
Title: Hydrogen bonding and thermoplastic elastomers - a nice couple with temperature-adjustable mechanical properties
Language: English
Authors: Wittenberg, Elisabeth 
Meyer, Andreas 
Eggers, Steffen 
Abetz, Volker 
Issue Date: 4-Apr-2018
Source: Soft matter 14 (14): 2701-2711 (2018-04-04)
Journal or Series Name: Soft matter 
Abstract (english): Styrene-butadiene copolymers are modified with varying fractions of benzoic acid moieties being able to perform hydrogen bonding. This is done by using a simple synthetic approach which utilizes click hemistry. Temperature-dependent dynamic mechanical properties are studied, and it turns out that even the apparently rather simple ydrogen bonding motif has a marked impact on the material properties due to the fact that it facilitates the formation of a supramolecular polymer network. Besides a glass transition, the investigated functionalized copolymers exhibit a second endothermic transition, known as a quasi-melting. This is related to the opening of the hydrogen bonding complexes. Additionally to dynamic mechanical analysis (DMA), differential scanning calorimetry (DSC), temperature-dependent infrared (IR) spectroscopy and small angle X-ray scattering (SAXS) are used to understand the structure-property relationships.
DOI: 10.15480/882.1625
ISSN: 1744-683X
Institute: Werkstoffphysik und -technologie M-22 
Type: (wissenschaftlicher) Artikel
License: CC BY-NC 3.0 (Attribution-NonCommercial) CC BY-NC 3.0 (Attribution-NonCommercial)
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