182443

Polysulfone

average M_n ~22,000 by MO, beads

• Synonym(s): Poly[oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-1,4-phenylene(1-methylethylidene)-1,4-phenylene]
• 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

Properties

• form: beads; pellets
• autoignition temp.: 1022 °F
• melt index: 6.5 g/10 min (343 °C/2.16 kg, ASTM D1238)
• mol wt: average M_n ~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: T_g 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

Description

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.

Safety Information

• 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