Structural Characteristics and Sound Absorption Properties of Waste Hemp Fiber
Source abstract
Abstract
In order to realize high-efficiency and high-value recycling of waste hemp fibers, the macromolecular structure, the supramolecular structure, and the morphological structure of waste hemp fibers were investigated by using Fourier transform infrared spectroscopy, X-ray diffractometry, upright metallurgical microscopy, and scanning electron microscopy. According to its structural characteristics, the sound-absorbing mechanism of waste hemp fiber was analyzed, and the reason for the good sound-absorbing performance of waste hemp fiber was clarified. The acoustic impedance transfer function test was used to analyze and compare the sound-absorbing performance of waste hemp fiber and several other fiber aggregates that could be used in the field of sound-absorbing, and the sound-absorbing performance of a waste hemp fiber composite material was tested. The research revealed that: the sequence of sound-absorbing performance of several fiber aggregates was cotton fiber, waste hemp fiber, wool fiber, and polyester fiber; that waste hemp fiber had excellent high-frequency sound-absorbing performance, with a maximum sound absorption coefficient of 0.95; and that the maximum sound absorption coefficient of the waste hemp fiber composite reached 0.93. Therefore, the waste hemp fiber has excellent sound-absorbing properties and has high application value in the field of sound absorption.
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Research context
OpenAlex topics: Acoustic Wave Phenomena Research · Noise Effects and Management · Bamboo properties and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, China
Funding
Science and Technology Innovation Fund Project of Dalian
References (48)
Show source-provided references
1. The review of fiber-based sound-absorbing structures
2. Use of date palm waste fibers as sound absorption material10.1016/j.jobe.2021.102752 ↗
3. Effect of Thickness, Density and cavity depth on the sound absorption properties of wool boards
4. Sound-absorbing recycled cotton/polyester thermal bonded nonwovens
5. Development of sound absorbing recycled nonwoven composite materials10.1088/1757-899X/1059/1/012023 ↗
6. Sound absorption, thermal, and flame retardant properties of nonwoven wall cloth with waste fibers
7. Murean, S., Tiuc, A.E., Neme, O., Vermeşan, H., and Vasile, O. (2020). Innovative use of sheep wool for obtaining materials with improved sound-absorbing properties. Materials, 13.10.3390/ma13030694 ↗
8. Sound absorption properties and accuracy of prediction models on natural fiber based nonwoven materials
9. A study on the sound transmission loss of a new lightweight hemp/bio-epoxy sandwich structure10.1016/j.apacoust.2020.107379 ↗
10. Ifeoluwa, A., Arnab, B., Harmandeep, S., and Shahbazi, A. (2020). A review on the current state of knowledge of growing conditions, agronomic soil health practices and utilities of hemp in the United States. Agriculture, 10.10.3390/agriculture10040129 ↗
11. Challenges towards revitalizing hemp: A multifaceted crop10.1016/j.tplants.2017.08.004 ↗
12. Industrial hemp fiber: A sustainable and economical alternative to cotton10.1016/j.jclepro.2020.122180 ↗
13. Industrial hemp—An old but versatile bast fiber crop10.1080/15440478.2021.1907834 ↗
14. Applications of hemp in textiles, paper industry, insulation, and building materials, horticulture, animal nutrition, food and beverages, nutraceuticals, cosmetics and hygiene, medicine, agrochemistry, energy production, and environment: A review10.1007/s10311-020-01029-2 ↗
15. Preparation and oil/air filtration properties of hemp paper10.1177/1528083714521071 ↗
16. Using equal cross-section theory to investigate bending properties of cellulosic fiber-reinforced cement panels10.1177/1528083714523165 ↗
17. Effect of refined processing on the physical and chemical properties of hemp bast fibers10.1177/0040517509342317 ↗
18. Sustainable materials with high insulation capacity obtained from wastes from hemp industry processed by wet-laid10.1177/00405175211046058 ↗
19. Research and production of hemp fiber properties and products
20. Study on sound absorption performance of hemp fiber
21. Zhang, J. (2018). Research and Development of Hemp/Polypropylene Textile Sound-Absorbing Composites. [Master’s Thesis, Tianjin Polytechnic University].
22. Improving the sound absorption performance of sustainable thermal insulation materials: Natural hemp fibers10.1016/j.apacoust.2019.02.022 ↗
23. Sound absorption of hemp fibers (Cannabis sativa L.) based nonwoven fabrics and composites: A review
24. Influence of fiber blending on thermal and acoustic properties nonwoven material
25. Yang, T., Hu, L., Xiong, X., Petru, M., Noman, M.T., Mishra, R., and Militky, J. (2020). Sound absorption properties of natural fibers: A review. Sustainability, 12.10.3390/su12208477 ↗
26. Pei, J.C. (2012). Lignocellulosic Chemistry, China Light Industry Press. [4th ed.].
27. Sound absorption mechanism of polymer based composite foams
28. Discussion on feasibility of nonwoven sound-absorbing materials used for road noise-deafening barrier
29. Study of structural morphology of hemp fiber from the micro to the nanoscale10.1007/s10443-006-9032-9 ↗
30. Zimniewska, M. (2022). Hemp fibre properties and processing target textile: A review. Materials, 15.10.3390/ma15051901 ↗
31. Tutek, K., and Masek, A. (2022). Hemp and Its derivatives as a universal industrial raw material (with particular emphasis on the polymer industry)—A review. Materials, 15.10.3390/ma15072565 ↗
32. Order in cellulosics: Historical review of crystal structure research on cellulose10.1016/j.carbpol.2020.117417 ↗
33. Structural characteristics and sound absorption properties of poplar seed fibers10.1177/0040517520921396 ↗
34. Characterization of raw and alkali treated newnatural cellulosic fiber from Coccinia grandis L.10.1016/j.carbpol.2018.01.072 ↗
35. Characterization of the crystallographic properties of bamboo plants, natural and viscose fibers by X-ray diffraction method
36. Research status and development trend of natural plant fiber/biodegradable plastic biomass composites
37. Study on the performance of xinjiang flax fiber
38. Yu, W.D. (2006). Textile Materials Science, China Textile and Apparel Press. [1st ed.].
39. Gao, Q.L. (2019). The Study on the Spinnability and Blended Yarn Development of Hemp Fiber. [Master’s Thesis, Donghua University].
40. Influence of fineness, length and hollow section of fibers on acoustic absorption10.1177/00405175211036200 ↗
41. The analysis of acoustic characteristics and sound absorption coefficient of needle punched nonwoven fabrics
42. Sound absorption properties of recycled polyester fibrous assembly absorbers
43. Effect of fiber cross section shape on the sound absorption and the sound insulation10.1007/s12221-021-0838-8 ↗
44. Numerical study on the influence of fiber cross-sectional shapes on the sound absorption efficiency of fibrous porous materials10.1016/j.apacoust.2020.107222 ↗
45. Sound-absorption properties of kapok fiber nonwoven fabrics at low frequency10.1080/15440478.2014.919891 ↗
46. Effects of total surface area and fabric density on the acoustical behavior of needlepunched nonwoven fabrics10.1177/0040517507084283 ↗
47. Investigation on sound absorption properties for recycled fibrous materials10.1177/1528083712446956 ↗
48. Biodegradable multiphase systems based on plasticized starch: A review10.1081/MC-200029326 ↗