Author Identifier
Aghil Igder
https://orcid.org/0000-0002-8955-9876
Alireza Keshavarz
https://orcid.org/0000-0002-8091-961X
Ata Nosrati
https://orcid.org/0000-0003-2000-0107
Document Type
Journal Article
Publication Title
Royal Society of Chemistry Advances
Publisher
Royal Society of Chemistry
School
School of Engineering
RAS ID
32790
Funders
Edith Cowan University - Open Access Support Scheme 2020
Australian Research Council
Abstract
Polysulfone (PSF) was prepared under high shear in a vortex fluidic device (VFD) operating in confined mode, and its properties compared with that prepared using batch processing. This involved reacting the pre-prepared disodium salt of bisphenol A (BPA) with a 4,4′-dihalodiphenylsulfone under anhydrous conditions. Scanning electron microscopy (SEM) established that in the thin film microfluidic platform, the PSF particles are sheet-like, for short reaction times, and fibrous for long reaction times, in contrast to spherical like particles for the polymer prepared using the conventional batch synthesis. The operating parameters of the VFD (rotational speed of the glass tube, its tilt angle and temperature) were systematically varied for establishing their effect on the molecular weight (Mw), glass transition temperature (Tg) and decomposition temperature, featuring gel permeation chromatography (GPC), differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA) respectively. The optimal VFD prepared PSF was obtained at 6000 rpm rotational speed, 45° tilt angle and 160 °C, for 1 h of processing with Mw ∼10000 g mol−1, Tg ∼158 °C and decomposition temperature ∼530 °C, which is comparable to the conventionally prepared PSF.
DOI
10.1039/d0ra00602e
Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 License
Comments
Igder, A., Pye, S., Al-Antaki, A. H. M., Keshavarz, A., Raston, C. L., & Nosrati, A. (2020). Vortex fluidic mediated synthesis of polysulfone. RSC Advances, 10(25), 14761-14767. https://doi.org/10.1039/d0ra00602e