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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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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
Marta Piroddi et al.
American journal of nephrology, 35(6), 559-572 (2012-06-09)
Along with one century of history, research has provided many solutions for hemodialysis (HD) biomaterials, encompassing several generations of copolymers that have found wide application in the development of hollow-fiber dialyzer membranes. Polysulfone-based biomaterials have gained increasing consideration and are
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
Yong Soo Choi et al.
Talanta, 94, 353-355 (2012-05-23)
Ultrapure water produced by a water purification system is one of the most essential and widely used reagents in laboratories. However, its quality is usually the least well-characterized and often overlooked. Here we investigate the contamination of ultrapure water by

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