Effects of nano-TiO2 in configuration design and sound absorption of polyvinyl alcohol coated composite fabric structure

IF 3.8 4区工程技术 Q2 CHEMISTRY, APPLIED

Journal of Vinyl & Additive Technology Pub Date : 2024-07-01 DOI:10.1002/vnl.22134

Shubing Zhu, Xiaoning Tang

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引用次数: 0

Abstract

With the rapid development of industrialization and population surge in modern society, noise pollution has been considered as a serious threat to human beings. In order to effectively reduce noise, the application of sound absorbing textile materials has gradually increased, also the rapid development of acoustic coating consists of conventional fiber layers and polymers. In this work, the surface morphology, micro-structure and sound absorption properties of polyvinyl alcohol coated fabric and its composites were studied. It was found that the addition of nano-TiO₂ particles can obviously improve the sound absorption properties, and the absorption coefficient is related to fabric thickness. Furthermore, the surface of the coated fabric was compounded with melt-blown nonwoven fabric, thus to fabricate composite sound absorber. This work indicates the good feasibility and promising application prospect of lightweight polyvinyl alcohol coated fabrics in noise reduction engineering.

Highlights

Combination of fiber layers and polymers for acoustic coating materials.
Adding inorganic nano-TiO₂ particles with different contents.
Different modification methods to improve the dispersion of coating.
Composite structure with reduced thickness and increased sound absorption.

Abstract Image

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纳米二氧化钛在聚乙烯醇涂层复合织物结构的配置设计和吸声中的作用

随着现代社会工业化的快速发展和人口的激增，噪声污染已被视为对人类的严重威胁。为了有效降低噪音，吸音纺织材料的应用逐渐增多，由传统纤维层和聚合物组成的吸音涂层也得到了快速发展。本研究对聚乙烯醇涂层织物及其复合材料的表面形貌、微观结构和吸声性能进行了研究。研究发现，纳米二氧化钛颗粒的加入能明显改善吸声性能，且吸声系数与织物厚度有关。此外，还将涂层织物的表面与熔喷非织造布复合，从而制成了复合吸声材料。这项工作表明，轻质聚乙烯醇涂层织物在降噪工程中具有良好的可行性和广阔的应用前景。添加不同含量的无机纳米二氧化钛颗粒。采用不同的改性方法改善涂层的分散性。减少厚度并增加吸音效果的复合结构。

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来源期刊

Journal of Vinyl & Additive Technology 工程技术-材料科学：纺织

CiteScore

5.40

自引率

14.80%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Vinyl and Additive Technology is a peer-reviewed technical publication for new work in the fields of polymer modifiers and additives, vinyl polymers and selected review papers. Over half of all papers in JVAT are based on technology of additives and modifiers for all classes of polymers: thermoset polymers and both condensation and addition thermoplastics. Papers on vinyl technology include PVC additives.