Preparation and application of high sound insulation polyurethane composite film through glass fiber reinforcement

Author:

Liu Hongyan1,Zhan Siqi1,Bo Yanyan1,Ding Wenhe1,Yuan Ruize1,Yu Zaiqian1,Zhang Yuting1,Sun Yuetong1,Yu Longjiao1,Wang Shiwei1ORCID,Zhang Mingyao1

Affiliation:

1. School of Chemical Engineering, Advanced Institute of Materials Science Changchun University of Technology Changchun People's Republic of China

Abstract

AbstractLaminated glasses have been widely used in buildings, physical protections, and vehicles because of their safety, sound insulation, thermal insulation, and other performance. In recent years, the high sound insulation performance of laminated glass intermediate films in the frequency range of low or high frequencies has attracted more and more attentions. In this work, a glass fiber/polyurethane elastomer composite (PU‐MGF) film with high transparency and impact resistance has been successfully synthesized, 5 dB of the transmission loss increased at 1600–6000 Hz, and 3.6 dB increased at 63–1600 Hz compared with the control polyurethane film. This is a significant progress in the laminated glass industry. In addition, the transmittance of the composite reaches over 75%. The excellent impact resistance of the laminated glass, based on PU‐MGF film, has been confirmed through falling ball impact test, demonstrating its ability to withstand multiple impacts without spattering. The PU‐MGF film prepared in this work exhibits great potential for applications in building windows, transportation, and soundproof devices.

Funder

National Natural Science Foundation of China

Tianjin Municipal Transportation Commission Science and Technology Development Plan Project

Publisher

Wiley

Subject

Materials Chemistry,Polymers and Plastics,Surfaces, Coatings and Films,General Chemistry

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