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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:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

form

beads
pellets

Quality Level

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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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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