Classification of fibers Polymeric Inorganic Engineered Unconventionally shaped
Classification of fibers • Polymeric • Inorganic • Engineered • Unconventionally shaped
Classification of fibers Polymeric Natural fibers cotton wool silk others: flex, jute, ramie, hemp
Classification of fibers • Polymeric – Natural fibers • cotton • wool • silk • others: flex, jute, ramie, hemp
Classification of fibers Polymeric Regenerated fibers History invented in 1890s by Schoenbein Commercially available in 1896 Examples Vicose rayon Cellulose acetate Cellulose triacetate ce
Classification of fibers • Polymeric – Regenerated fibers • History: – invented in 1890’s by Schoenbein – Commercially available in 1896 • Examples – Vicose Rayon – Cellulose acetate – Cellulose triacetate – Lycel
Classification of fibers Polymeric Synthetic fibers History Wallace Carothers at du pont invented a series of polymers Major types Polyester Polyamide Aromatic > Kevlar ) Nomax
Classification of fibers • Polymeric – Synthetic fibers • History – Wallace Carothers at du Pont invented a series of polymers • Major types – Polyester – Polyamide » Nylons » Aromatic » Kevlar » Nomax
Classifications of fibers Polymeric Acrylic(copolymers of pan and other vinyl polymers Modacrylic Polyolefin Polyethylene Polypropylene Elastomeric Spandex(polyurethane) Polyvinyl alcohol Polyvinyl chloride
Classifications of fibers • Polymeric • Acrylic (copolymers of PAN and other vinyl polymers) • Modacrylic • Polyolifin – Polyethylene – Polypropylene • Elastomeric – Spandex (polyurethane) • Polyvinyl alcohol • Polyvinyl chloride