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| Preparation and Sound Absorption of Carbon Fiber/MoS2-modified Cellulose Composite Aerogel |
ZHAO Junjie1, MING Xiao1, LIU Qianqian1, ZENG Xiaoping1, WANG Dawei1, WANG Wei2, WU Jiangyu1( ) |
1.Wuhan Institute of Technology Materials Science and Engineering, Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Wuhan 430205, China
2.Huazhong University of Science and Technology, State Key Laboratory of Materials Processing and Die & Mould Technology, Wuhan 430074, China |
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Cite this article:
ZHAO Junjie, MING Xiao, LIU Qianqian, ZENG Xiaoping, WANG Dawei, WANG Wei, WU Jiangyu. Preparation and Sound Absorption of Carbon Fiber/MoS2-modified Cellulose Composite Aerogel. Chinese Journal of Materials Research, 2026, 40(7): 528-534.
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Abstract Noise pollution has been a potential hazard affecting human health. In this paper, a sound-absorbing material based on modified cellulose composite aerogel (MCA) was prepared with cellulose aerogel serving as the matrix, carbon fibers and MoSi2 particulates as doping material. Carbon fibers can intercalate in between the layers of carboxymethyl cellulose to construct rigid fiber scaffolds, while MoSi2 particulates disperse on the layers of carboxymethyl cellulose to form a large number of heterogeneous interfaces. This not only improves the mechanical properties of the material but also broadens its sound-absorbing frequency range. The prepared MCA was characterized by means of universal testing machine and two-microphone impedance tube etc. The results show that the MCA maintains a low density (< 0.06 g/cm3) and high porosity (> 97.60%), while its compressive stress at 70% strain reaches 0.131 MPa, with a 104.7% increasement compared with the unmodified aerogel. The MCA has a sound-absorbing coefficient of over 0.7 in the frequency range of 1000-5500 Hz, with a maximum value of 0.99. In particular, its sound-absorbing coefficient in the mid-frequency range (~1250 Hz) increases from 0.56 to 0.8, representing an increase rate of 42.9% in contrast to the plain aerogel.
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Received: 04 February 2026
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| Fund: Graduate Innovative Fund of Wuhan Institute of Technology of Hubei Province(CX2024330) |
Corresponding Authors:
WU Jiangyu, Tel: (027)87195661, E-mail: wujy@wit.edu.cn
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