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首页> 外文期刊>AATCC review: International magazine for textile professionals >Investigation of the Physical Properties and Acoustic Performance of Composites Developed From Natural Fibers
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Investigation of the Physical Properties and Acoustic Performance of Composites Developed From Natural Fibers

机译：Investigation of the Physical Properties and Acoustic Performance of Composites Developed From Natural Fibers

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摘要

Noise pollution is one of the most pressing issues in our society today. Controlling noise has become one of the most essential and prevalent factors in the development of acoustic materials. Traditionally, numerous expensive and synthetic sound-absorption materials, such as glass fiber, carbon fiber, and polymer fibers were utilized to suppress noise, posing additional harm to living organisms and the environment. Natural fibers derived from renewable resources can be utilized as sound-absorption materials that are inexpensive, biodegradable, recyclable and readily available. Natural fiber-reinforced composites are currently exclusively used for diverse applications in the automobile industry, construction and building sectors, furniture, and other industries. The risk of physical harm and health issues has been greatly reduced by adopting these natural fiber materials. In this research, an attempt has been made to manufacture composites from four natural fibers: hemp, bagasse, Arenga pinnata and bamboo. These four natural fibers were mixed in a 50:50 proportion along with polypropylene and developed into a textile composite using the thermal bonding method. The developed natural composite materials were tested for sound-absorption co-efficient using the impedance tube method and various physical properties, such as flexural rigidity, thickness, tensile strength, elongation, areal density, air permeability, and thermal conductivity and were analyzed using the standard testing procedures. All the possible influential factors that determine the acoustic characteristics properties of the fibers are taken into consideration for the enhancement of the acoustic absorption of the composites. The sound-absorption coefficient percent of the Arenga pinnata/polypropylene composite sample is higher than other fibers.

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