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

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Plastics, Rubber and Composites Pub Date : 2021-05-13 DOI:10.1080/14658011.2021.1926746

N. Karaca, Ilkay Ozsev Yuksek, N. Uçar, A. Onen, Murat Çağlar Baydoğan, C. Kırbaş

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引用次数: 3

Abstract

ABSTRACT 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.

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专用弹性体热塑性聚氨酯亚微米薄纤维网层置于刚性层和柔性层吸声效果的实验分析

摘要本研究的目的是确定亚微米纤维网层放置在刚性基材和柔性基材上时对吸声性能的影响。研究了弹性热塑性聚氨酯(TPU)和复合TPU/PS(聚苯乙烯)亚微米纤维腹板与刚性玻璃纤维织物增强环氧复合材料(GFEC)和柔性聚丙烯(PP)纺粘非织造布。研究了索氏提取前后的弹性TPU亚微米纤维和TPU/PS纤维网。即使在GFEC中使用了一层薄的(小于1毫米的)电纺亚微米纤维，吸声系数(SAC)也从0.1提高到0.4。当亚微米纤维网用于非织造布时，最大SAC被拉回较低的频率(从1250到500-630赫兹)。综上所述，弹性亚微米薄纤维网对刚性GFEC和柔性非织造布吸声的机理是完全不同的。

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来源期刊

Plastics, Rubber and Composites 工程技术-材料科学：复合

CiteScore

4.10

自引率

0.00%

发文量

审稿时长

4 months

期刊介绍： Plastics, Rubber and Composites: Macromolecular Engineering provides an international forum for the publication of original, peer-reviewed research on the macromolecular engineering of polymeric and related materials and polymer matrix composites. Modern polymer processing is increasingly focused on macromolecular engineering: the manipulation of structure at the molecular scale to control properties and fitness for purpose of the final component. Intimately linked to this are the objectives of predicting properties in the context of an optimised design and of establishing robust processing routes and process control systems allowing the desired properties to be achieved reliably.