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Melt compounded nanocomposites with semi-interpenetrated network structure based on natural rubber, polyethylene, and carrot nanofibers
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-2906-2470
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-1776-2725
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science. Fibre and Particle Engineering, University of Oulu, Finland.ORCID iD: 0000-0003-4762-2854
2018 (English)In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 135, no 10, 45961Article in journal (Refereed) Published
Abstract [en]

The present study deals with the processing and characterization of cellulose nanocomposites natural rubber (NR), low-density polyethylene (LDPE) reinforced with carrot nanofibers (CNF) with the semi-interpenetrated network (S-IPN) structure. The nanocomposites were compounded using a co-rotating twin-screw extruder where a master-batch of NR and CNF was fed to the LDPE melt, and the NR phase was crosslinked with dicumyl peroxide. The prepared S-IPN nanocomposites exhibited a significant improvement in tensile modulus and yield strength with 5 wt % CNF content. These improvements are due to a better phase dispersion in the S-IPN nanocomposites compared with the normal blend materials, as demonstrated by optical microscopy, electron microscopy and ultraviolet–visible spectroscopy. The S-IPN nanocomposite also displayed an improved crystallinity and higher thermal resistance compared with NR, CNF, and the normal blend materials.

Place, publisher, year, edition, pages
John Wiley & Sons, 2018. Vol. 135, no 10, 45961
Keyword [en]
cellulose and other wood products; crosslinking; extrusion; rubber
National Category
Bio Materials
Research subject
Wood and Bionanocomposites
Identifiers
URN: urn:nbn:se:ltu:diva-66769DOI: 10.1002/app.45961Scopus ID: 2-s2.0-85033578526OAI: oai:DiVA.org:ltu-66769DiVA: diva2:1160626
Note

Validerad;2017;Nivå 2;2017-11-27 (rokbeg)

Available from: 2017-11-27 Created: 2017-11-27 Last updated: 2017-12-15Bibliographically approved

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Haque, Md. Minhaz-UlHerrera, NataliaGeng, ShiyuOksman, Kristiina
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