Sulfonated polysulfone-preparative routes and applications in membranes used for pressure driven techniques

Mehta, Romil; Manna, Paramita; Bhattacharya, Amit

doi:10.1080/10601325.2016.1212312

Cited by 5 publications

(1 citation statement)

References 76 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Polysulfone (PSF) is one of the attractive polymers due to its good mechanical properties, thermal stability, chemical resistance, transparency, and flexibility [1]. PSF is used in different kinds of membranes such as anion-exchange membranes [2]; hemodialyzer membranes [3]; gas separation membranes [4]; pressure-driven membranes, i.e., ultra- and nanofiltration membranes [5]; osmotically-driven membranes for desalination and ions removal [6]; proton-exchange membranes fuel cells [7]; membranes for use in artificial organs [8]; and membranes used in dehydration of solvents by pervaporation [9].…”

Section: Introductionmentioning

confidence: 99%

Effect of Unbleached Rice Straw Cellulose Nanofibers on the Properties of Polysulfone Membranes

et al. 2019

View full text Add to dashboard Cite

In addition to their lower cost and more environmentally friendly nature, cellulose nanofibers isolated from unbleached pulps offer different surface properties and functionality than those isolated from bleached pulps. At the same time, nanofibers isolated from unbleached pulps keep interesting properties such as hydrophilicity and mechanical strength, close to those isolated from bleached pulps. In the current work, rice straw nanofibers (RSNF) isolated from unbleached neutral sulfite pulp (lignin content 14%) were used with polysulfone (PSF) polymer to make membrane via phase inversion. The effect of RSNF on microstructure, porosity, hydrophilicity, mechanical properties, water flux, and fouling of PSF membranes was studied. In addition, the prepared membranes were tested to remove lime nanoparticles, an example of medium-size nanoparticles. The results showed that using RSNF at loadings from 0.5 to 2 wt.% can significantly increase hydrophilicity, porosity, water flux, and antifouling properties of PSF. RSNF also brought about an increase in rejection of lime nanoparticles (up to 98% rejection) from their aqueous suspension, and at the same time, with increasing flux across the membranes. Tensile strength of the membranes improved by ~29% with addition of RSNF and the maximum improvement was obtained on using 0.5% of RSNF, while Young’s modulus improved by ~40% at the same RSNF loading. As compared to previous published results on using cellulose nanofibers isolated from bleached pulps, the obtained results in the current work showed potential application of nanofibers isolated from unbleached pulps for improving important properties of PSF membranes, such as hydrophilicity, water flux, rejection, and antifouling properties.

show abstract

Section: Introductionmentioning

confidence: 99%

Effect of Unbleached Rice Straw Cellulose Nanofibers on the Properties of Polysulfone Membranes

et al. 2019

View full text Add to dashboard Cite

show abstract

Immobilization of Perylene‐3,4,9,10‐Tetracarboxylic Dianhydride on Hollow Polysulfone Fibers: Primary Amine Coupling and Fluorescence Reporting

et al. 2019

View full text Add to dashboard Cite

The fluorescent dye perylene‐3,4,9,10‐tetracarboxylic dianhydride (PBA) was immobilized onto polysulfone hollow fibers by means of a wet coating procedure. After immobilization, PBA was able to react with primary amines through a double anhydride ring opening reaction. The in situ amine coupling was further revealed by fluorescence analysis. Both emission (534 nm →538 nm) and fluorescence lifetime changes (2.7 ns →3.3 ns) of the dye are a useful tool to detect and visualize the occurrence of the reaction. The successful implementation of amine coupling with a reporting function on polysulfone fibers holds great interest for biomedical applications.

show abstract

Hydrophilic modification of poly(aryl sulfone) membrane materials toward highly-efficient environmental remediation

Yang

Huang

Deng³

et al. 2021

Front. Chem. Sci. Eng.

View full text Add to dashboard Cite

Sulfonated polysulfone-preparative routes and applications in membranes used for pressure driven techniques

Cited by 5 publications

References 76 publications

Effect of Unbleached Rice Straw Cellulose Nanofibers on the Properties of Polysulfone Membranes

Effect of Unbleached Rice Straw Cellulose Nanofibers on the Properties of Polysulfone Membranes

Immobilization of Perylene‐3,4,9,10‐Tetracarboxylic Dianhydride on Hollow Polysulfone Fibers: Primary Amine Coupling and Fluorescence Reporting

Hydrophilic modification of poly(aryl sulfone) membrane materials toward highly-efficient environmental remediation

Contact Info

Product

Resources

About