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More than 400 abstracts submitted from over 50 countries
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Oral Presentations


SESSION:
PolymersWedPM3-R4
Matyjaszewski International Symposium (5th Intl. Symp. on Green Chemistry & Polymers & their Application for Sustainable Development)
Wed. 19 Nov. 2025 / Room: Sampaguita
Session Chairs: Sophiko Kvinikadze; Takeo Suga; Student Monitors: TBA

16:05: [PolymersWedPM309] OS
POLYMER COMPOSITES CONSTRUCT UNDER THIN FILM FORMATION
Youhong Tang1
1Flinders University, Tonsley, Australia
Paper ID: 94 [Abstract]

Thin film processing is an emerging technology where the liquid is subjected to centrifugal forces/shear stress or mechanical energy within dynamic thin films on a surface. The vortex fluidic device (VFD) as a paradigm shifts in flow processing, with scalability factored in under the continuous-flow mode of operation of the device, along with its utility for tuning the size, morphology, and properties of materials at the nanoscale dimension. The VFD delivers high shear as a constant form of mechanical energy, with tunable control over the processing. This talk delivers information about the significance of utilizing the VFD to control material structure-property relationships of polymer composites at the nanoscale with emphasis on its high green chemistry metrics [1]. A few case studies have been highlighted in this talk including (1) hyperbranched polymers tune properties of alginate hydrogels [2], (2) fabrication of PVA hydrogel with tunable surface morphologies and enhanced self-healing properties [3, 4], (3) fluorescent hyperbranched polymers [5] and (4) enhancement of mechanical properties and microstructure of biomass-based biodegradable films [6]. 

References:
[1] C Chuah, X Luo, J Tavakoli, Y Tang, CL Raston. Thin‐film flow technology in controlling the organization of materials and their properties. Aggregate 5 (1), e433, 2024.
[2] M Mathew, MA Rad, JP Mata, H Mahmodi, IV Kabakova, CL Raston, Y Tang, JL Tipper, J Tavakoli. Hyperbranched polymers tune the physicochemical, mechanical, and biomedical properties of alginate hydrogels. Materials Today Chemistry 23, 100656, 2022
[3] J Tavakoli, CL Raston, Y Tang. Tuning surface morphology of fluorescent hydrogels using a vortex fluidic device. Molecules 25 (15), 3445, 2020.
[4] J Tavakoli, C Raston, Y Ma, Y Tang. Vortex fluidic mediated one-step fabrication of polyvinyl alcohol hydrogel films with tunable surface morphologies and enhanced self-healing properties. Science China Materials 63, 1310-1317, 2020.
[5] J Tavakoli, N Joseph, CL Raston, Y Tang. A hyper-branched polymer tunes the size and enhances the fluorescent properties of aggregation-induced emission nanoparticles. Nanoscale Advances 2 (2), 633-641, 2020.
[6] S He, K Vimalanathan, P Su, M Jellicoe, X Luo, W Xing, W Cai, CT Gibson, Y Chen, JWC Wong, W Zhang, Y Tang, CL Raston. Upsized Vortex fluidic device enhancement of mechanical properties and the microstructure of biomass-based biodegradable films. ACS Sustainable Chemistry & Engineering 9 (43), 14588-14595, 2021.