On November 1, 2020, Gronwald, Oliver; Frost, Inga; Ulbricht, Mathias; Kouchaki Shalmani, Arman; Panglisch, Stefan; Gruenig, Lara; Handge, Ulrich A.; Abetz, Volker; Heijnen, Martin; Weber, Martin published an article.Electric Literature of 80-07-9 The title of the article was Hydrophilic poly(phenylene sulfone) membranes for ultrafiltration. And the article contained the following:
Poly(alkylene oxide) based tri- and multiblock oligomers with hydrophobic poly(phenylene sulfone) blocks were evaluated as dope solution additives used for preparation of improved poly(phenylene sulfone) (PPSU) flat sheet (FS) and single bore (SB) ultrafiltration membranes by non-solvent induced phase separation (NIPS). Identical polymer dope recipes were used in both of FS membrane preparation and SB fiber spinning processes. PPSU membranes modified with 9.2 wt % Pluronic F127 based additive, M2 (7.5 kDa PPSU/ Pluronic F127), or Lutensol AT80 based additive, T2 (7.5 kDa PPSU/ Lutensol AT80), displayed compared to pristine PPSU membranes elevated hydraulic permeance ranging from 485 to 674 kg m-2 bar-1h-1 (pristine PPSU: 310 – 464 kg m-2 bar-1h-1), higher mol. weight cut-off values from 37.0 to 53.5 kDa (pristine PPSU: 21.4 – 23.7 kDa), lower contact angles of 46.4° and 49.8° (pristine PPSU: 86.7°) and reduced fouling propensity with irreversible fouling values of 10% (pristine PPSU: 15%) for diluted potting soil extract as model substance. The combined anal. methods of XPS and proton NMR spectroscopy (1H NMR) indicated modest surface enrichment of the additives in the filtration layer. Consequently, PPSU ultrafiltration membranes modified with additives T2 and M2 provide interesting alternatives to poly(ether sulfone) (PESU) and poly(vinylidene fluoride) (PVDF) based membranes for surface water filtration combining both excellent filtration characteristics with a long lifetime due to its higher chem. resistance. The experimental process involved the reaction of 4,4′-Sulfonylbis(chlorobenzene)(cas: 80-07-9).Electric Literature of 80-07-9
The Article related to hydrophilic polyphenylene sulfone membrane, Plastics Fabrication and Uses: Plastic Product Uses and other aspects.Electric Literature of 80-07-9
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