Experimental analysis of sound absorption effect of specially developed elastomeric thin thermoplastic polyurethane sub-micron fibre web layers placed on rigid layer and flexible layers

Neslihan Karaca, İlkay Özsev Yüksek, Nuray Uçar*, Ayşen Önen, Murat Baydoğan, Cafer Kirbaş

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: Dergiye katkıMakalebilirkişi

5 Atıf (Scopus)

Özet

The aim of this study is to determine the effect of sub-micron fibre web layers on sound absorption properties when they are placed on rigid substrate and flexible substrate. Elastomeric thermoplastic polyurethane (TPU) and composite TPU/PS (polystyrene) sub-micron fibre webs with both rigid glass fibre fabric reinforced epoxy composites (GFEC) and flexible polypropylene (PP) spunbond nonwovens have been examined. Elastomeric TPU sub-micron fibres and TPU/PS fibre web before and after soxhlet extraction were studied. Even though a thin layer of (less than 1 mm) electrospun sub-micron fibres were used with GFEC, sound absorption coefficient (SAC) improved from 0.1 to 0.4. Maximum SAC is drawn back to lower frequency (from 1250 to 500–630 Hz), when sub-micron fibre web is used on nonwoven. In conclusion, the mechanism of elastomeric thin sub-micron fibre webs on sound absorption for rigid GFEC and for flexible nonwoven is totally different than each other.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)507-515
Sayfa sayısı9
DergiPlastics, Rubber and Composites
Hacim50
Basın numarası10
DOI'lar
Yayın durumuYayınlandı - 2021

Bibliyografik not

Publisher Copyright:
© 2021 Institute of Materials, Minerals and Mining Published by Taylor & Francis on behalf of the Institute.

Finansman

This work was supported by TUBITAK [grant number 218M766]. We would like to thank TUBITAK for support under the project 218M766.

FinansörlerFinansör numarası
TUBITAK218M766

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