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Sökning: onr:0cq1nwv1xwgsr18m > Ice-Templated Cellu...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
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024a http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-830022 uri
024a urn:nbn:se:ltu:diva-830022 urn
024a 10.3390/nano110204902 doi
040 a Se a
041 a eng
042 9 EPLK
100a Nissilä, Tuukka4 aut
2451 0a Ice-Templated Cellulose Nanofiber Filaments as a Reinforcement Material in Epoxy Compositesh [Elektronisk resurs]
264 1b MDPI,c 2021
500 a <p>Validerad;2021;Nivå 2;2021-02-22 (johcin)</p>
500 a Published
506a gratis
520 a  Finding renewable alternatives to the commonly used reinforcement materials in composites is attracting a significant amount of research interest. Nanocellulose is a promising candidate owing to its wide availability and favorable properties such as high Young’s modulus. This study addressed the major problems inherent to cellulose nanocomposites, namely, controlling the fiber structure and obtaining a sufficient interfacial adhesion between nanocellulose and a non-hydrophilic matrix. Unidirectionally aligned cellulose nanofiber filament mats were obtained via ice-templating, and chemical vapor deposition was used to cover the filament surfaces with an aminosilane before impregnating the mats with a bio-epoxy resin. The process resulted in cellulose nanocomposites with an oriented structure and a strong fiber–matrix interface. Diffuse reflectance infrared Fourier transform and X-ray photoelectron spectroscopy studies revealed the presence of silane on the filaments. The improved interface, resulting from the surface treatment, was observable in electron microscopy images and was further confirmed by the significant increase in the tan delta peak temperature. The storage modulus of the matrix could be improved up to 2.5-fold with 18 wt% filament content and was significantly higher in the filament direction. Wide-angle X-ray scattering was used to study the orientation of cellulose nanofibers in the filament mats and the composites, and the corresponding orientation indices were 0.6 and 0.53, respectively, indicating a significant level of alignment.
650 7a Engineering and Technology2 hsv
650 7a Materials Engineering2 hsv
650 7a Composite Science and Engineering2 hsv
650 7a Teknik och teknologier2 hsv
650 7a Materialteknik2 hsv
650 7a Kompositmaterial och -teknik2 hsv
650 7a Engineering and Technology2 hsv
650 7a Industrial Biotechnology2 hsv
650 7a Bio Materials2 hsv
650 7a Teknik och teknologier2 hsv
650 7a Industriell bioteknik2 hsv
650 7a Biomaterial2 hsv
650 7a Trä och bionanokompositer2 ltu
650 7a Wood and Bionanocomposites2 ltu
653 a cellulose nanocomposite
653 a ice-templating
653 a interface
653 a orientation
653 a mechanical properties
655 7a government publication2 marcgt
700a Wei, Jiayuan4 aut
700a Geng, Shiyu4 aut
700a Teleman, Anita4 aut
700a Oksman, Kristiina,d 1959-4 aut
710a Wood and bionanocomposites4 oth
710a Wood and bionanocomposites4 oth
710a Luleå tekniska universitetb Institutionen för teknikvetenskap och matematik4 pbl
7720 8i channel recordw cwp2z82p291qqcv
773t Nanomaterialsg 11:2
8564 0u http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-83002
8564 0u http://dx.doi.org/10.3390/nano11020490
8564 0u http://ltu.diva-portal.org/smash/get/diva2:1529503/FULLTEXT01
8564 2u http://www.ltu.se/z Värdpublikation
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0245 APISa urn:nbn:se:ltu:diva-830022 urn
852 5 APISb APIS
8564 05 APISu http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-83002
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