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Polyethersulfone pes

Manufactured by BASF
Sourced in Germany

Polyethersulfone (PES) is a high-performance engineering thermoplastic material used in various laboratory equipment applications. It offers excellent thermal and chemical resistance, as well as good mechanical properties. PES is widely used in the manufacturing of laboratory glassware, filtration membranes, and other specialized equipment.

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7 protocols using polyethersulfone pes

1

Polyether Sulfone Membrane Synthesis

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The base polymer, i.e., Polyether Sulfone (PES), with high molecular weight (50,000 g/mol), was purchased from BASF GmbH, Ludwigshafen, Germany. N-Methyl-2-Pyrrolidone (NMP) with a purity of 99.99% and Hydrochloric acid with 37%wt./wt. the aqueous solution was obtained from Merck. Tetraethyl orthosilicate (TEOS) (98% purity) and (3-aminopropyl) trimethoxysilane (APTMOS) (97% purity) were supplied by Sigma Aldrich. The pure gases CO2 and CH4 (99.99%) were supplied by Gas Walker Sdn Bhd. Double-deionized water was used for membrane synthesis.
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2

Polysulfone and Polyethersulfone Membrane Synthesis

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Polysulfone (PSF, MW = 35 000 g mol−1), chloroform, paraformaldehyde, chlorotrimethylsilane, stannic chloride, polyvinylpyrrolidone (PVP K30) and dimethylformamide (DMF) were purchased from Sigma-Aldrich, Australia. Polyethersulfone (PES, MW = 51 000 g mol−1) was purchased from BASF. 6-Hydroxy-2-naphthoic acid (HNA) was bought from ACROS, USA. Triethylamine (TEA) and hydrochloric acid (HCl) were purchased from Merck, Australia. Bovine serum albumin (BSA) was purchased from Amresco, Australia. All the chemicals were analytical grade and used without further purification.
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3

Membrane Fabrication and Modification

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Different chemicals were used to fabricate the membranes and to synthesize mesoporous SBA-15 and SBA-Q as membrane modifiers. Polyethersulfone (PES; MW: 58,000 g/mol) was prepared from BASF Co., Germany. Hydrochloric acid (HCl 37%), tetraethoxysilane (TEOS 98%), glutamine, (3-chloropropyl) trimethoxysilane (CPTMS), toluene, and dimethylacetamide (DMAc) were all purchased from Merck Co. Germany. Pluronic P123 ((EO)20(PO)70(EO)20, MW: 5800) was supplied from Sigma-Aldrich Co. USA. Phosphate buffered saline (PBS) tablets were obtained from Zist Mavad Pharmed Co. Iran. All the reactants were used as received with no further purification. In all examinations, distilled water was applied.
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4

Synthesis of PES Membranes

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Polyethersulfone (PES) with 75,000 MW and an industrial grade was purchased from BASF (Ludwigshafen, Germany). Dimethylformamide (DMF), ferrous (III)chloride hexahydrate, sodium boron hydride, methanol, hydrochloric acid, and sodium hydroxide were purchased from Merck chemical groups (Darmstadt, Germany).
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5

Membrane Fabrication from Polyethersulfone

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Polyethersulfone (PES, Mw = 45 000) was purchased from BASF Co. Ltd. (German). PES was used for membrane preparation after dried about 24 h at 333 K. N,N-Dimethyl acetamide (DMAC), diethylene glycol (DEG) were provided by Shanghai Chemical Reagent Co. Ltd. Bisphenol sulfuric acid (BPA-PS, Mw = 97 000) was provided by Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences. Bovine serum albumin (BSA, Mw = 67 000) was provided by Shanghai Lianguan Biochemical Engineering Co. Ltd. All of the pure water in this work was self-made.
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6

Synthesis and Characterization of Polymer Membranes

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N-methyl-2-pyrrolodinone (NMP, ≥99.5%), bovine serum albumin (BSA, ≥96%), polyethylene glycol 400 (PEG, Mn = 400g/mol), m-phenylene diamine (MPD, ≥99%), fluorescein isothiocyanate conjugated bovine serum albumin (BSA-FITC) and 1,3,5-benzenetricarbonyl trichloride (TMC, ≥99.9%) were purchased from Sigma-Aldrich (Shanghai, China). Sodium alginate (SA, C6H7NaO6, ≥96%), sodium sulfate (Na2SO4, ≥96%), sodium dodecyl benzene sulfonate (SDBS, ≥96%), N-hexane (≥96%) and sodium chloride (NaCl, ≥96%) were provided by Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Polyether sulfone (PES) was provided by BASF Co., Ltd. (Shanghai, China). Edible oil was purchased from Guo Brothers Grain Oil Co., Ltd. (Malaysia, Singapore). Yeast was purchased from Angel Yeast Co., Ltd. (Shanghai, China). Carbon fiber paper was obtained from Ce-Tech Co., Ltd. (Wuhan, China). All solutions were prepared with deionized water (DI-H2O) supplied by a Milli-Q Direct 8 purification system (Millipore, Burlington, MA, USA).
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7

Synthesis of PES-based Membranes

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Phthalic anhydride (Ph-An; 99%) and diisopropanolamine (DIPA; 98%) were purchased from Fluka, Germany. Silver nitrate (AgNO3; 99%) and N-methyl-2-pyrrolidone (NMP) were purchased from Sigma-Aldrich, Germany. Polyethersulfone (PES; Mn 49 000 g mol−1) was supplied by BASF, Germany. Other chemicals were of analytical grade.
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