Cellulose Nanocrystals with Enhanced Thermal Stability Reinforced Thermoplastic Polyurethane
Article
Amin, Khairatun Najwa, Annamalai, , Pratheep Kumar and Martin, Darren. 2017. "Cellulose Nanocrystals with Enhanced Thermal Stability Reinforced Thermoplastic Polyurethane." Malaysian Journal of Analytical Sciences. 21 (3), pp. 754-761. https://doi.org/10.17576/mjas-2017-2103-25
Article Title | Cellulose Nanocrystals with Enhanced Thermal Stability Reinforced Thermoplastic Polyurethane |
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Article Category | Article |
Authors | Amin, Khairatun Najwa, Annamalai, , Pratheep Kumar and Martin, Darren |
Journal Title | Malaysian Journal of Analytical Sciences |
Journal Citation | 21 (3), pp. 754-761 |
Number of Pages | 8 |
Year | 2017 |
Publisher | Universiti Kebangsaan Malaysia |
Place of Publication | Malaysia |
ISSN | 1394-2506 |
Digital Object Identifier (DOI) | https://doi.org/10.17576/mjas-2017-2103-25 |
Web Address (URL) | https://mjas.analis.com.my/wp-content/uploads/2019/01/v21_n3.html |
Abstract | Melt compounding processing approach for incorporating cellulose nanocrystals (CNC) into thermoplastic polyurethane (TPU) has not well been explored. This is primarily due to the poor thermal stability and dispersibility of CNCs. As they are typically obtained from sulphuric acid hydrolysis, they give rise to degradation and discolouration of the extruded nanocomposites. The investigation of this research demonstrates sulphuric acid hydrolysis (CNC-S), phosphoric acid hydrolysis (CNC-P) and a novel non-hydrolytic high energy bead milling method (CNC-MC) into a polyether based thermoplastic polyurethane via melt compounding using twin screw extruder. The TPU film incorporated with CNC-S obviously shows the sign of CNC degradation where TPU film was changed to brown colour. The tensile strength of TPU reinforced with CNC-S, CNC-P and CNC-MC shows 18%, 16% and 14% of improvement at CNC loading of 0 to 1 wt.% upon host polymer. CNCs isolated via mild acid hydrolysis and mechanical milling methods, can be easily processed via large scale melt-processing techniques for reinforcing thermoplastic polyurethane without affecting their physical appearance and elastic properties. © 2017, Malaysian Society of Analytical Sciences. All rights reserved. |
Keywords | Cellulose nanocrystals; thermoplastic polyurethane; nanocomposites |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 340302. Macromolecular materials |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Universiti Malaysia Pahang Al-Sultan Abdullah, Malaysia |
University of Queensland |
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https://research.usq.edu.au/item/z23w1/cellulose-nanocrystals-with-enhanced-thermal-stability-reinforced-thermoplastic-polyurethane
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