Effect of fibre composition on essential properties of needle-punched nonwoven fabrics as secondary layer for composite wound dressings
Abstract
Composites of NaOH treated coir fibre and maleic anhydride functionalized polypropylene (MAHPP) with differentformulations have been made by compression molding technique and the effect of compatibiliser on mechanical strength,flexural strength, and impact properties of the composites are measured and then compared with theoretically calculatedvalues. It is observed that the tensile strength, tensile modulus, Izod impact strength and flexural strength of surface treatedand MAPP coupling composite properties are enhanced significantly than the untreated one. This is due to better adhesionbetween fibre and matrix. This is also confirmed by SEM, interfacial shear strength or fibre pull-out tests and transcrystalline behavior of the composites constituents in the melt form.
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