In this article, we report a study on new functional materials based on the structural features of hair. In this study, discarded cow hair was treated with acid and hydrogen peroxide, dried, and pulverized to obtain a hair powder (HP). A sound‐insulating film (SIF) was prepared via the mixing of HP with acrylic resin [poly(acrylic acid) (PAA)]. On the basis of the function for the SIF, the formation conditions, including the HP weight percentage, film‐forming temperature, and solvent, were investigated. The sound‐insulating properties were studied and compared with commercially available sound‐insulating materials. The SIF had an equivalent sound‐insulating power to that of an asphalt‐based or a rubber‐based board but a better power than that of a polyurethane (PU)‐foam‐based board with identical thicknesses in the 20–20,000 Hz sound wave. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46332.
Journal of Applied Polymer Science – Wiley
Published: Jan 15, 2018
Keywords: ; ; ; ;
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