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Polymer Bulletin
Erschienen in: Polymer Bulletin 10/2013

01.10.2013 | Original Paper

Dynamic mechanical properties of high density polyethylene and teak wood flour composites

verfasst von: Kamini Sewda, S. N. Maiti

Erschienen in: Polymer Bulletin | Ausgabe 10/2013

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Abstract

The dynamic mechanical properties of high density polyethylene (HDPE) and teak wood flour (TWF) composites at varying volume fraction (Φ f) of TWF from 0.00 to 0.32 have been studied. In HDPE/TWF composites, storage modulus (E′) decreased at Φ f = 0.05, then increases with Φ f; however, values were lower than HDPE up to Φ f = 0.16, due to a pseudolubricating effect of filler. Loss modulus (E″) values were higher than HDPE in β and α relaxation regions while in γ relaxation region values were marginally equal to HDPE. Tan δ value decreases with Φ f which may be due to enhanced amorphization and decreased crystallinity of HDPE. In presence of maleic anhydride grafted HDPE (HDPE-g-MAH), E′ values were lower than HDPE/TWF composites. In HDPE/TWF/HDPE-g-MAH, E″ were slightly higher than HDPE/TWF due to slippage of HDPE chains facilitated by the extent of degradation of coupling agent. Tan δ were higher for both systems than the rule of mixture.
Nächster Artikel Preparation and properties of a dually responsive hydrogels based on polyampholyte for oral delivery of drugs

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Metadaten
Titel
Dynamic mechanical properties of high density polyethylene and teak wood flour composites
verfasst von
Kamini Sewda
S. N. Maiti
Publikationsdatum
01.10.2013
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 10/2013
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-013-0941-0

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