Hygro-Thermal and Acoustic performances of recycled textile-based materials for building applications

IF 6.2 2区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Developments in the Built Environment Pub Date : 2025-04-01 DOI:10.1016/j.dibe.2025.100657

Alessandro Dama , Shiva Khoshtinat , Andrea Alongi , Claudia Marano , Adriana Angelotti

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Abstract

This study presents an experimental investigation of the heat transfer and acoustic properties of semi-finished panels obtained from post-consumer textile waste. Their different compositions (mostly polyester, mostly cotton, and mixed fabric) and different densities, in a range from 50 to 150 kg/m³, were considered. The transient “hot disk” method was used for thermal conductivity and diffusivity measurements and a Kundt's tube for sound absorption. Moreover, hygroscopic characterizations of moisture absorption and its kinetics were carried out. Overall, good thermal insulation (thermal conductivity between 0.042 and 0.062 W/K/m) and medium acoustic performances (sound absorption classes C and D) were observed, suitable for building applications. Thermal conductivity was found to linearly increase with the density and to increase with the relative humidity, in line with the analysed hygroscopic behaviour of the porous matrix. On average, the polyester-based panels showed the lowest thermal conductivity, followed by the mixed fabric.

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建筑用再生纺织材料的湿热和声学性能

本研究提出了一项实验研究的传热和声学性能的半成品板从消费后的纺织废料获得。他们考虑了不同的成分（主要是聚酯，主要是棉和混合织物）和不同的密度，范围从50到150 kg/m3。瞬态“热盘”法用于导热系数和扩散系数的测量，昆特管用于吸声。此外，还进行了吸湿性表征和吸湿动力学研究。总体而言，良好的隔热性能（导热系数在0.042和0.062 W/K/m之间）和中等的声学性能（吸声等级C和D），适合建筑应用。热导率随密度线性增加，随相对湿度线性增加，与分析多孔基质的吸湿性一致。平均而言，聚酯基板的导热性最低，其次是混合织物。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Developments in the Built Environment Multiple-

CiteScore

7.40

自引率

1.20%

发文量

审稿时长

22 days

期刊介绍： Developments in the Built Environment (DIBE) is a recently established peer-reviewed gold open access journal, ensuring that all accepted articles are permanently and freely accessible. Focused on civil engineering and the built environment, DIBE publishes original papers and short communications. Encompassing topics such as construction materials and building sustainability, the journal adopts a holistic approach with the aim of benefiting the community.