Recent Advances in Preparation and Structure of Polyurethane Porous Materials for Sound Absorbing Application

• Published in: Macromolecular rapid communications. Vol. 45; no. 14; pp. e2400108 - n/a
• Main Authors: Dong, Shan, Duan, Yinying, Chen, Xinyan, You, Feng, Jiang, Xueliang, Wang, Dongrui, Hu, Dongdong, Zhao, Pei
• Format: Journal Article
• Language: English
• Published: Germany Wiley Subscription Services, Inc 01.07.2024
• Subjects: Absorption; Absorptivity; Aerogels; Damping; damping effect; Fabrication; Multilayers; Noise pollution; Polyurethane; Polyurethane foam; polyurethane porous material; pore structure; Porous materials; Sound; sound absorption; Sound transmission; noise pollution; sound absorption; polyurethane porous material; pore structure; damping effect

Various acoustic materials are developed to resolve noise pollution problem in many industries. Especially, materials with porous structure are broadly used to absorb sound energy in civil construction and transportation area. Polyurethane (PU) porous materials possess excellent damping properties,...