Carbon black and chitin nanofibers for green tyres: Preparation and property evaluation

This research highlights the synergistic use of carbon black (CB) and chitin nanofibers (CHNFs) for developing green tyres for the first time. The CHNFs (12–30 nm) were prepared from chitin powder with the help of steam explosion and mild oxalic acid hydrolysis. The CHNFs were uniformly dispersed in...

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Bibliographic Details
Published in:Carbohydrate polymers 2023-06, Vol.310, p.120700-120700, Article 120700
Main Authors: Mathew, Mariya, Midhun Dominic, C.D., Neenu, K.V., Begum, P.M. Sabura, Dileep, P., Kumar, T.G. Ajith, Sabu, Akshay Alax, Nagane, Dhiraj, Parameswaranpillai, Jyotishkumar, Badawi, Michael
Format: Article
Language:English
Subjects:
Carbon black
Chitin nanofibers
Green Tyre
Natural rubber latex
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Summary:This research highlights the synergistic use of carbon black (CB) and chitin nanofibers (CHNFs) for developing green tyres for the first time. The CHNFs (12–30 nm) were prepared from chitin powder with the help of steam explosion and mild oxalic acid hydrolysis. The CHNFs were uniformly dispersed in natural rubber (NR) latex, dried, and mixed with CB in a two-roll mill to form NR/CB/CHNF composites. The NR/CB/CHNF composite at 1 phr CHNF loading exhibited tensile and tear strengths that were about 47 and 160 % greater than the NR-Neat, respectively. The dynamic mechanical analysis showed that the loss tangent (tan δ) at 60 °C was 50 % lower for the NR/CB/CHNF 1.0 composite than for the NR/CB50 composite. The study succeeded in developing a new green tyre tread formulation that would be helpful for attaining sustainability and a circular economy. [Display omitted]
ISSN:0144-8617
1879-1344
DOI:10.1016/j.carbpol.2023.120700