Tunability of branching design and solution properties of hyperbranched polyethylene
Modern catalysts allow the synthesis of well-defined and precisely tuned polyolefin architectures. Yet, profound knowledge of the connection between synthetic mechanism, structure and properties of these polymers is still limited. Our work is focused on a comprehensive investigation of the complete structure-property relation of diversely branched polyethylene by putting together an interdisciplinary research group with a vast knowledge in different expert fields. So far, experimental light scattering as well as viscosity measurements gave necessary information about the molecular properties in solution on a global scale. However, size limitations of these techniques prevent the investigation at lower polymerization degrees and determination of the topology on a segmental level. Hence, SANS is the ideal method to receive insight into the local structure of polyethylene with different degree of branching and size. The correlation with light scattering and viscosity measurements would enable to evaluate the complete molecular structure in solution and will significantly contribute to the understanding of the synthetic mechanism and the tunable design of polyolefin architecture.
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Albena Lederer; LINDNER Peter and PLUESCHKE Laura. (2016). Tunability of branching design and solution properties of hyperbranched polyethylene. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-1799
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