Chemical Composition, Morphology and Tensile Properties of Spanish Broom (Spartium junceum L.) Fibres in Comparison with Flax (Linum usitatissimum L.)

• Autorzy: Cerchiara T , Gallucci M C , Gattuso C , Luppi B , Bigucci F

Warianty tytułu

PL

Skład chemiczny, morfologia i właściwości wytrzymałościowe włókien z żarnowca (Spartium junceum) w porównaniu z lnem

• Języki publikacji: EN

Abstrakty

EN

Flax has been usually used to produce natural cellulose fibres with properties suitable for composite, textile, and other high-value fibrous applications. Spanish Broom, extracted by a physical-chemical process, is a source of cellulose fibres that can be used, as well as flax, in various fields (textile, paper, composites etc.). The aim of this study was to describe the chemical composition, morphology and tensile properties of Spanish Broom fibres in comparison with flax. The morphology of both fibres was established by optical microscopy (OM). The chemical composition and tensile properties of Spanish Broom fibres were determined according to conventional methods. The results show that Spanish Broom fibres have a higher cellulose content (91.7%) and better tensile properties than flax fibres. Moreover, Spanish Broom fibres have a smaller diameter (7-10 μm) than flax (17-24 μm), as observed by OM, and the cross-sections show an irregular polygonal shape with well defined lumen. Spanish Broom fibres were found to have very good tensile properties as well as thermal stability and could successfully replace flax in many applications.

PL

Len jest zazwyczaj używany do produkcji włókien naturalnych celulozowych o właściwościach odpowiednich do wyrobów tekstyliów, kompozytów, papieru i innych produktów o wysokich walorach użytkowych. Żarnowiec ekstrahowany w procesie fizyko-chemicznym jest źródłem włókien celulozowych, które mogą być stosowane podobnie jak len. Celem pracy było porównanie składu chemicznego, morfologii i cech wytrzymałościowych z lnem. Morfologię włókien badano za pomocą mikroskopu optycznego, skład chemiczny i wytrzymałość badano metodami konwencjonalnymi. Wyniki wskazują, że włókna żarnowca mają większą zawartość celulozy (91,7%) i lepszą wytrzymałość mechaniczną. Włókna te maja mniejszą średnice (7-10 µm podczas gdy len ma 17-24 µm), przekrój cechuje nieregularny wieloboczny kształt z wyraźnym lumenem. Włókna żarnowca mają dobrą wytrzymałość i stabilność termiczną i mogą z powodzeniem zastąpić len w wielu zastosowaniach.

Słowa kluczowe

EN

cellulose; Spanish Broom fibres; fibre extraction; flax fibres

PL

celuloza; ekstrakcja włókien; włókna lniane; włókna żarnowca

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2014
• Tom: Vol. 22, no. 2 (104)
• Strony: 25--28
• Opis fizyczny: Bibliogr. 29 poz., rys., tab., wykr.

Twórcy

autor

Cerchiara T

• Italy, Bologna, Bologna University,, Department of Pharmacy and Biotechnology Chidichimo Giuseppe
• Italy, Arcavacata di Rende, Calabria University, Department of Chemistry Rondi Giorgio
• Italy, Bergamo, Linificio & Canapificio Nazionale

autor

Gallucci M C

• Italy, Arcavacata di Rende, Calabria University, Department of Chemistry

autor

Gattuso C

• Italy, Arcavacata di Rende, University of Calabria, Department of Scienze della Terra

autor

Luppi B

• Italy, Bologna, Bologna University,, Department of Pharmacy and Biotechnology

autor

Bigucci F

• Italy, Bologna, Bologna University,, Department of Pharmacy and Biotechnology

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