polysulfone


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polysulfone

A synthetic polymer used in the fabrication of dialysis membranes with high biocompatibility.
References in periodicals archive ?
PSU (polysulfone) UdelA(r) P-1800 was a powdered grade have a glass transition temperature (Tg) of 185AdegC was purchased from Solvay Advanced Polymers; L.L.C, U.S.
Polysulfone beads (average Mn ~22,000) (PSF) (Aldrich), 2-Hydroxyethyl cellulose (average Mw = 250,000) (HEC) (Aldrich), Poly(vinyl alcohol) (average Mw = 85,000-124,000, 87-89% hydrolysed) (PVA) (Aldrich), Poly(acrylic acid) (average Mw = 1800) (APA) (Aldrich), methanol (M) (Merck), dimethylformamide (DMF) (Sigma), 1-N-methyl-2-pyrrolidinone (NMP) (Aldrich), and zinc nitrate hexahydrate (purum p.a., crystallized, [greater than or equal to] 99.0%) (Zn[(N[O.sub.3]).sub.2] x 6[H.sub.2]O) (Honeywell) have been used with no previous purification.
Chittrakarn, "Asymmetric polysulfone gas separation membranes treated by low pressure DC glow discharge plasmas," Journal of Applied Polymer Science, vol.
The preparation of the chloromethylation of polysulfone is as shown in Scheme 1.
Previously, we had prepared phosphorus-containing polysulfones by substitution reaction of chemically modified polysulfone with a phosphorus-containing compound, namely 9, 10-dihydro-9-oxa-10-phosphophenanthrene-10-oxide (DOPO) (27).
The device substrate 1 may comprise a layer of material selected from glass, polymer politics of oil, paper, inflated-coated metal, pull you think, polycarbonate, polysulfone, polyarlayte, acrylonitrile butadiene styrene, 1-methoxy-2-propyl acetate (SU-8), pollyhydroxybenzyl silsesquioxane, polyimide, benzocyclobutene, aluminium oxide, SixONy, silicon dioxide, Si3N4.
Our experience in machining precision polymer components includes: Implantable grades of PEEK, UHMW-PE, and medical grades of materials such as Acetals, Delrins, Polysulfone, Ultem, Radel, PEEK, Torlon, and Vespels for instruments and trays.
The plastic components of the HFC39 couplings are made from polysulfone and the seals are made from platinum-cured silicone.
Hedland also offers the EZ-VIEW Variable Area meter, a low cost Polysulfone version with a 5% full scale accuracy.
Polysulfone (PSU) was recommended as an alternative for its heat resistance, dimensional stability and relative ease of processing.
An aromatic polysulfone consists of 4,4'-diol aromatic compound and 4,4'-dichlorodiphenyl sulfone.