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Completely Miscible Polyethylene Nanocomposites

Title data

Bieligmeyer, Matthias ; Taheri, Sara Mehdizadeh ; German, Ian ; Boisson, Christophe ; Probst, Christian ; Milius, Wolfgang ; Altstädt, Volker ; Breu, Josef ; Schmidt, Hans-Werner ; D'Agosto, Franck ; Förster, Stephan:
Completely Miscible Polyethylene Nanocomposites.
In: Journal of the American Chemical Society. Vol. 134 (19 October 2012) Issue 44 . - pp. 18157-18160.
ISSN 1520-5126
DOI: https://doi.org/10.1021/ja307297c

Abstract in another language

A route to fully miscible polyethylene (PE) nanocomposites has been established based on polymer-brush-coated nanoparticles. These nanoparticles can be mixed with PE at any ratio, with homogeneous dispersion, and without aggregation. This allowed a first systematic study of the thermomechanical properties of PE nanocomposites without interference from aggregation effects. We observe that the storage modulus in the semicrystalline state and the softening temperature increase significantly with increasing nanoparticle content, whereas the melt viscosity is unaltered by the presence of nanoparticles. We show that the complete miscibility with the semicrystalline polymer matrix and the improvement of thermomechanical properties in the solid state is caused by the PE-coated nanoparticles being nucleating agents for the crystallization of PE. This provides a general route to fully miscibility nanocomposites with semicrystalline polymers.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I > Chair Anorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry I > Chair Macromolecular Chemistry I - Univ.-Prof. Dr. Hans-Werner Schmidt
Graduate Schools > Elite Network Bavaria
Graduate Schools > Elite Network Bavaria > Struktur, Reaktivität und Eigenschaften Oxidischer Materialien
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry I
Graduate Schools
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 20 Mar 2018 13:56
Last Modified: 20 Mar 2018 13:56
URI: https://eref.uni-bayreuth.de/id/eprint/9281