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Lecturer(s)
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Burgert Ladislav, doc. Ing. CSc.
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Course content
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Fibres on cellulosic basis (vegetable fibres). Cotton - morphology, physical properties, chemical properties,reaction. Economic aspects. Oxycellulose. Flax - processing of Flax Retting, scutching, spinning. Structure of Flax Fibres. Lignine. Chemical fibres based on natural polymers. Viscose Rayon - preparation of cellulose xanthate, spinning. Economic and ecologic aspects. Fibres of Tence a Lyocel typ, spinning from N-methylmorfolin-N-oxide. Cellulose acetate fibres. Protein fibers. Just as cotton and flax are natural celulose fibers so wool and natural silk are protein fibers in which polymeric amino acids provide the fibrous structure. These polypeptides are natural polyamides, analogous to the synthetic nylons, particulary nylon-6, though differing in that they are polymers of alpha amino acids. Chemical fibers - from synthetic polymers. Polyamide fibers - manufacture of polymers, spinning continuous filament yarn, spinning, drawing, heat setting. Aramid fibers (aromatic polyamides) - Nomex, Kevlar. Polyester fibers - made from linear poly(ethylene terephtalate). Properties, structural, polymerization. Elastoneric fibres - Spandex - preparation of basic polymer - dry and wet spinning. Olefin fibers - stereospecific polymerization of propylene - manufacture of fibres. Fibres from film. Nonwoven textile fabrics.
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Learning activities and teaching methods
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unspecified
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Learning outcomes
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Subject is conceived as a continution of macromolecular chemistry. Linear polymers preparation by polymerisation, polycondensation, polyaddition for chemical fibres production. Natural fibres as biopolymers.
Graduate is able to participate in works in research and development laboratories and in textile industry specialized for fibres after the graduation from this subject.
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Prerequisites
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Basic knowledge of organic, physical and macromolecular chemistry.
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Assessment methods and criteria
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unspecified
There is an oral examination. Primary form of exam is the debate about selected themes. Level of acquired knowledge, conceptions and application acquirements is examined.
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Recommended literature
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Blažej A., Šutá Š. Vlastnosti textilných vlákien. ALFA Bratislava, 1982.
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Hladík V. a kol. Textilní vlákna. SNTL Praha, 1970.
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Jambrich M. a kol. Fyzika vlákien. ALFA Bratislava, 1987.
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