456640

Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene)

• Synonym(s): PEEK, Polyether ether ketone
• Linear Formula: (OC₆H₄OC₆H₄COC₆H₄)_n
• CAS Number: 29658-26-2
• MDL number: MFCD00217725
• UNSPSC Code: 12162002
• PubChem Substance ID: 24869214
• NACRES: NA.23

Properties

• form: pellets
• Quality Level: 100
• hardness: 126 (Rockwell R, ASTM D 785)
• mp: 322 °C
• transition temp: T_m (DSC) 322 °C (onset)
• solubility: all common solvents: insoluble; concentrated sulfuric acid: soluble
• density: 1.3 g/mL at 25 °C (lit.)
• SMILES string: Oc1ccc(O)cc1.Oc2ccc(cc2)C(=O)c3ccc(O)cc3
• InChI: 1S/C13H10O3.C6H6O2/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10;7-5-1-2-6(8)4-3-5/h1-8,14-15H;1-4,7-8H
• InChI key: JHGYTDAAMWIDRN-UHFFFAOYSA-N

Description

General description

Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene)(PEEK) is a semi-crystalline polymer with good thermo-mechanical properties and high chemical resistance which can be used as engineering plastics.

Application

PEEK can be sulfonated and coated on nanofiltration(NF) membranes which can be used in the fabrication of antifouling based NF membranes. Sulfonated PEEK (up to 50-70 degree of sulfonation(DS)) can be used in the formation of proton exchange membranes(PEMs) for fuel cells based applications.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)