Bio-Based Composites for Sound Absorption
PBN-AR
Instytucja
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Książka
Tytuł książki
Composites from Renewable and Sustainable Materials
Data publikacji
2016
ISBN
978-953-51-2794-9
Wydawca
InTech
Publikacja
Główny język publikacji
en
Tytuł rozdziału
Bio-Based Composites for Sound Absorption
Rok publikacji
2016
Strony (od-do)
217-239
Numer rozdziału
12
Identyfikator DOI
Liczba arkuszy
2,25
Hasło encyklopedyczne
Słowa kluczowe
en
biomass
composite
sound absorption
fibre
Streszczenia
Język
en
Treść
The acoustic thermoplastic composites and a method for their production with the participation of the bio-components were presented. To form composite matrix polylactide fibres (PLA) were used. Natural fibres (flax (LI) and cotton (CO)), straw and cellulose ultra-short/ultra-fine fibres obtained from biomass were used as a reinforcement. Cellulose ultra-short/ultra-fine fibres were obtained from the flax fibres or straw by enzymatic treatment and optionally modified by silane. The tensile stress at maximum load of composites with the sub-microfibres obtained from waste flax fibres after silane modification is twice higher than that of the composite with the sub-microfibres without the silane modification. The effect of different kinds of natural materials on the acoustic composites was studied. The addition of the straw increases the values of the sound absorption coefficient are higher because of the additional voids caused by the particles of straw. If as a reinforcement the CO fibres and cellulose sub-microfibres are used, the sound absorption of the composite is higher than for composite with only CO fibres. In the case of sub-microfibres obtained from the waste flax fibres the highest sound absorption and tensile stress of the composites gives the modification by solution of silane in ethanol and water.
Cechy publikacji
Chapter in a book
Rozdział w książce
Inne
System-identifier
PBN-R:778181
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