456640
Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene)
Synonym(s):
PEEK, Polyether ether ketone
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About This Item
Linear Formula:
(OC6H4OC6H4COC6H4)n
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
form
pellets
hardness
126 (Rockwell R, ASTM D 785)
mp
322 °C
transition temp
Tm (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
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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.
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)
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