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

Name: Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene)
Brand: ALDRICH

Synonym(s):

PEEK, Polyether ether ketone

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About This Item

Linear Formula:

(OC₆H₄OC₆H₄COC₆H₄)_n

CAS Number:

29658-26-2

MDL number:

MFCD00217725

UNSPSC Code:

12162002

PubChem Substance ID:

24869214

NACRES:

NA.23

form

pellets

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

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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 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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Effects of sulfonated polyether-etherketone (SPEEK) and composite membranes on the proton exchange membrane fuel cell (PEMFC) performance.

Sengul E, et al.

International Journal of Hydrogen Energy, 34(10), 4645-4652 (2009)

Preparation and characterization of a neutrally charged antifouling nanofiltration membrane by coating a layer of sulfonated poly (ether ether ketone) on a positively charged nanofiltration membrane.

Ba C and Economy J

Journal of Membrane Science, 362(1-2), 192-201 (2010)

Proton conducting composite membranes from polyether ether ketone and heteropolyacids for fuel cell applications.

Zaidi SMJ, et al.

Journal of Membrane Science , 173(1), 17-34 (2000)

Glass transition and melting behavior of poly (oxy-1, 4-phenyleneoxy-1, 4-phenylenecarbonyl-1, 4-phenylene)(PEEK).

Cheng SZD, et al.

Macromolecules, 19(7), 1868-1876 (1986)

Sulfonated poly (ether ether ketone) membranes for direct methanol fuel cell.

Li L, et al.

Journal of Membrane Science , 226(1-2), 159-167 (2003)

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