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182443

Sigma-Aldrich

Polysulfone

average Mn ~22,000 by MO, beads

Synonym(s):

Poly[oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-1,4-phenylene(1-methylethylidene)-1,4-phenylene]

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About This Item

Linear Formula:
[C6H4-4-C(CH3)2C6H4-4-OC6H4-4-SO2C6H4-4-O]n
CAS Number:
25135-51-7
MDL number:
MFCD00134387
UNSPSC Code:
12162002
PubChem Substance ID:
24850999
NACRES:
NA.23

form

beads
pellets

autoignition temp.

1022 °F

melt index

6.5 g/10 min (343 °C/2.16 kg, ASTM D1238)

mol wt

average Mn ~22,000 by MO

hardness

69 (Rockwell M, ASTM D 785)

refractive index

n20/D 1.633

reduced viscosity

0.43-0.46 dL/g, 0.2 % (w/v) in chloroform(25 °C)(lit.)

transition temp

Tg 190 °C

density

1.24 g/mL at 25 °C (lit.)

SMILES string

CC(C)(c1ccc(O)cc1)c2ccc(O)cc2.Oc3ccc(cc3)S(=O)(=O)c4ccc(O)cc4

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Application

Microwave cookware, appliance covers, surgical tools, automotive electrical components, printed circuit boards and plumbing components.

Features and Benefits

High impact resistance. Temperature use range up to 160°C. Exceptional steam sterilization stability. Electrical properties are maintained over a wide temperature and frequency range. High resistance to radiation degradation.

Physical form

Amorphous thermoplastic.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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He-Min Li et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 34(12), 1943-1946 (2012-04-17)
To study the elimination effect of bacterial endotoxins and the transmittance of Panax notoginseng saponins by ultrafiltration membranes of different cut-off molecular weight and different materials. The kinetic-turbidimetric method was used to determine the content of bacterial endotoxins in Panax
M U M Junaidi et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(9), 2102-2109 (2013-05-10)
Although ultrafiltration (UF) membranes are applicable in wastewater and water treatment, most UF membranes are hydrophobic and susceptible to severe fouling by natural organic matter. In this work, polysulfone (PSf) membrane was blended with silicaluminophosphate (SAPO) nanoparticles, SAPO-34, to study
Sara M Viganò et al.
The International journal of artificial organs, 35(5), 346-351 (2012-06-12)
Anemia in chronic kidney disease dialysis patients is a complex syndrome involving many causes. Adequate dialysis can contribute to its correction through many mechanisms, including the removal of molecules that may inhibit erythropoiesis. The aim of this pilot study was
Kartik M Sivaraman et al.
Biomedical microdevices, 14(3), 603-612 (2012-03-07)
The synthesis of a porous polysulfone (PSU) coating for use in drug delivery applications is presented. PSU can serve as a functional surface coating for drug delivery vehicles, such as intraocular biomicrorobots. The coatings can be applied using spin coating
Christopher G Arges et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(7), 2490-2495 (2013-01-22)
Anion exchange membranes (AEMs) find widespread applications as an electrolyte and/or electrode binder in fuel cells, electrodialysis stacks, flow and metal-air batteries, and electrolyzers. AEMs exhibit poor stability in alkaline media; their degradation is induced by the hydroxide ion, a
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