ArticleSmall (Weinheim an der Bergstrasse, Germany)2026
Multifunctional Polyaniline-Based Composite Materials: Innovative Research on Excellent Sound Absorption, UV Resistance, Wear Resistance, and Hydrophilic and Moisture Permeability Properties.
Article in Small (Weinheim an der Bergstrasse, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
In response to the problems of traffic noise pollution, material UV aging, and rain and snow erosion faced by urban elevated bridges, a multifunctional material with efficient sound absorption, UV aging resistance, wear resistance, and hydrophilic and breathable properties has been developed. Polyaniline/wool felt (PANI/WF) and polyaniline/pre-oxidized felt (PANI/PANOF) composite materials were prepared by loading polyaniline on the surface of wool felt and pre-oxidized felt base fabric through an in situ polymerization method. The properties of sound absorption, UV resistance, wear resistance, wettability, and moisture permeability were systematically tested. PANI/PANOF has a sound absorption coefficient of 0.48 at 5380 Hz, a UPF value of 568, can block more than 99% of ultraviolet rays, has a wear resistance of 12574 times, and also has hydrophilic and moisture permeable properties; PANI/WF has a sound absorption coefficient of 0.272 and a UPF value of 446 at 5390 Hz, which can block over 99% of ultraviolet radiation. This material can be used as the sound barrier panel of viaducts to simultaneously solve the needs of noise reduction, anti-aging, drainage, and durability, and promote the development of green and smart transportation.
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