The Current State and Prospects of Recycling Silk Industry Waste into Nonwoven Materials

Abstract

Natural fibres are the preferred options for garment, technical and medical textiles, nonwovens and composites. Their sustainability is a considerable advantage, though the nature of silk production and processing involves a large amount of waste. The present review explores the current issues of recycling silk waste into nonwovens for various purposes. The article proposes obtaining nonwovens from short fibres using electrospinning of fibroin solutions in volatile solvents. Longer fibres are proposed to be processed into needle-punched nonwoven materials with a selection of an effective antistatic treatment.

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“…Nevertheless, the production of silk fibers worldwide is decreasing, despite its many benefits as a superior material for clothing, medical, and technological textiles, because of the development of chemical fibers. In the textile business, viscose and polyesters have partially replaced silk [2]. Meanwhile, scientists have been investigating novel applications of the by-products resulting throughout the chain value of sericulture other than silk thread [3].…”