Preparation of Elastomeric Nanocomposites Using Nanocellulose and Recycled Alum Sludge for Flexible Dielectric Materials
Journal Article
Sun, D., Saw, B. L., Onyianta, A. J., Wang, B., Wilson, C., O'Rourke, D., …Lu, Z. (in press)
Preparation of Elastomeric Nanocomposites Using Nanocellulose and Recycled Alum Sludge for Flexible Dielectric Materials. Journal of Advanced Dielectrics, https://doi.org/10.1142/s2010135x22420085
Processing and characterisation of water hyacinth cellulose nanofibres-based aluminium-ion battery separators
Conference Proceeding
Beg, M., Sun, D., Popescu, C., Alcock, K. M., Onyianta, A. J., O'Rourke, D., …Yu, H. (2021)
Processing and characterisation of water hyacinth cellulose nanofibres-based aluminium-ion battery separators. In 2021 26th International Conference on Automation and Computing (ICAC). https://doi.org/10.23919/icac50006.2021.9594191
Water hyacinth is an invasive plant that can be converted to high value cellulose nanofibers. This study presents battery separators prepared from water hyacinth cellulose nan...
High aspect ratio cellulose nanofibrils from macroalgae Laminaria hyperborea cellulose extract via a zero-waste low energy process
Journal Article
Onyianta, A. J., O’Rourke, D., Sun, D., Popescu, C., & Dorris, M. (2020)
High aspect ratio cellulose nanofibrils from macroalgae Laminaria hyperborea cellulose extract via a zero-waste low energy process. Cellulose, 27(14), 7997-8010. https://doi.org/10.1007/s10570-020-03223-5
Homogeneous high aspect ratio cellulose nanofibrils (CNFs) were prepared from Laminaria hyperborea (LH) seaweed cellulose without any initial mechanical, biological or chemica...
A process for deriving high quality cellulose nanofibrils from Water hyacinth invasive species
Journal Article
Sun, D., Onyianta, A. J., O’Rourke, D., Perrin, G., Popescu, C., Saw, L. H., …Dorris, M. (2020)
A process for deriving high quality cellulose nanofibrils from Water hyacinth invasive species. Cellulose, 27, 3727-3740. https://doi.org/10.1007/s10570-020-03038-4
In this study, surface chemistry, the morphological properties, water retention values, linear viscoelastic properties, crystallinity index, tensile strength and thermal prope...
Surface Functionality in Nanocellulose Processing and Composite Formulations
Thesis
Onyianta, A. Surface Functionality in Nanocellulose Processing and Composite Formulations. (Thesis)
Edinburgh Napier University. Retrieved from http://researchrepository.napier.ac.uk/Output/2025207
Cellulose nanofibrils (CNF) are cellulose nanomaterials with desirable properties and offer great potentials to be applied in diverse fields. While various pre-treatments have...
High-shear rate rheometry of micro-nanofibrillated cellulose (CMF/CNF) suspensions using rotational rheometer
Journal Article
Vadodaria, S. S., Onyianta, A. J., & Sun, D. (2018)
High-shear rate rheometry of micro-nanofibrillated cellulose (CMF/CNF) suspensions using rotational rheometer. Cellulose, 25(10), 5535-5552. https://doi.org/10.1007/s10570-018-1963-4
Suspensions of cellulose micro- and nanofibrils are widely used in coatings, fibre spinning, 3D printing and as rheology modifiers where they are frequently exposed to shear r...
The Effects of morpholine pre-treated and carboxymethylated cellulose nanofibrils on the properties of alginate-based hydrogels
Journal Article
Onyianta, A. J., Castellano, M., Dorris, M., Williams, R. L., & Vicini, S. (2018)
The Effects of morpholine pre-treated and carboxymethylated cellulose nanofibrils on the properties of alginate-based hydrogels. Carbohydrate Polymers, 198, 320-327. https://doi.org/10.1016/j.carbpol.2018.06.084
The effects of varying percentage loadings of morpholine pre-treated cellulose nanofibrils (MCNF) and carboxymethylated cellulose nanofibrils (CMCNF) on the aqueous swelling, ...
Aqueous morpholine pre-treatment in cellulose nanofibril (CNF) production: comparison with carboxymethylation and TEMPO oxidisation pre-treatment methods
Journal Article
Onyianta, A. J., Dorris, M., & Williams, R. (2017)
Aqueous morpholine pre-treatment in cellulose nanofibril (CNF) production: comparison with carboxymethylation and TEMPO oxidisation pre-treatment methods. Cellulose, https://doi.org/10.1007/s10570-017-1631-0
In this study, pulped cellulose fibres were pre-treated with aqueous morpholine prior to mechanical disruption in the production of cellulose nanofibrils (CNF). The properties...
The Use of Sedimentation for the Estimation of Aspect Ratios of Charged Cellulose Nanofibrils
Conference Proceeding
Onyianta, A. J., & Williams, R. (2018)
The Use of Sedimentation for the Estimation of Aspect Ratios of Charged Cellulose Nanofibrils. In R. Fangueiro, & S. Rana (Eds.), Advances in Natural Fibre Composites. , (195-203). https://doi.org/10.1007/978-3-319-64641-1_17
In this study, the aspect ratios of carboxymethylated and TEMPO-oxidised cellulose nanofibrils (CNF) were estimated by gel point analysis using a sedimentation approach. The f...