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181781

Sigma-Aldrich

Poly(2,6-dimethyl-1,4-phenylene oxide)

powder

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Synonym(s):
2,6-Dimethyl-1,4-phenylene ether homopolymer, 2,6-Dimethylphenol homopolymer, 2,6-Dimethylphenol polymer, Poly(2,6-dimethylphenylene oxide)
Linear Formula:
[C6H2(CH3)2O]n
CAS Number:
25134-01-4
MDL number:
MFCD00084368
PubChem Substance ID:
24850954
NACRES:
NA.23

form

powder

Quality Level

100

transition temp

Tg 211 °C
Tm 268 °C

density

1.06 g/mL at 25 °C (lit.)

SMILES string

Cc1cc(O)cc(C)c1O

InChI

1S/C8H10O/c1-6-4-3-5-7(2)8(6)9/h3-5,9H,1-2H3

InChI key

NXXYKOUNUYWIHA-UHFFFAOYSA-N

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This Item
181803191094472360
Poly(2,6-dimethyl-1,4-phenylene oxide) powder

Sigma-Aldrich

181781

Poly(2,6-dimethyl-1,4-phenylene oxide)

Poly(2,6-dimethyl-1,4-phenylene oxide) analytical standard, Mw 30,000 (Typical), Mn 20,000 (Typical)

Sigma-Aldrich

181803

Poly(2,6-dimethyl-1,4-phenylene oxide)

Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene) pellets

Sigma-Aldrich

191094

Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene)

Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene) melt index 6 g/10 min (380°C/2.16 kg)

Sigma-Aldrich

472360

Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene)

transition temp

Tg 211 °C, Tm 268 °C

transition temp

-

transition temp

Tm (DSC) 213 °C (onset)

transition temp

Tg (DSC) 221 °C (onset)

density

1.06 g/mL at 25 °C (lit.)

density

1.06 g/mL at 25 °C (lit.)

density

1.37 g/mL at 25 °C (lit.)

density

1.37 g/mL at 25 °C (lit.)

General description

Poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) is an anion exchange membrane (AEM) material that is mainly used as a cross-linker in which the methyl groups are used to bond with ultraviolet (UV) excited ketones.

Application

Imidazolium modified PPO with liquid ionic graphene oxide can be used as an anion exchange membrane (AEM) composite with a peak power density of 136 mW cm−2 for use in the fabrication of high performance fuel cells. It may also be sulfonated to form a long chained polymeric structure with an efficiency of 81.8% at a current density of 120 mA cm−2 for potentiall use in vanadium redox flow batteries (VRFBs) as effective energy storage systems. It may also be used in the formation of AEMs, which can be used in the development of microbial desalination cell system (MDCS).

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

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Poly (2, 6-dimethyl-1, 4-phenylene oxide)/ionic liquid functionalized graphene oxide anion exchange membranes for fuel cells
Yang Q, et al.
Journal of Membrane Science , 552, 367-376 (2018)
Crosslinked poly (2, 6-dimethyl-1, 4-phenylene oxide) polyelectrolyte enhanced with poly (styrene-b-(ethylene-co-butylene)-b-styrene) for anion exchange membrane applications
Wang Z, et al.
Journal of Membrane Science , 564, 492-500 (2018)
Investigation of patterned and non-patterned poly (2, 6-dimethyl 1, 4-phenylene) oxide based anion exchange membranes for enhanced desalination and power generation in a microbial desalination cell
Moruno FL, et al.
Solid State Ionics, 314(1), 141-148 (2018)
A novel long-side-chain sulfonated poly (2, 6-dimethyl-1, 4-phenylene oxide) membrane for vanadium redox flow battery
Yan X, et al.
International Journal of Hydrogen Energy, 43(1), 301-310 (2018)
Synthesis and characterization of a phosphine oxide based poly (arylene ether ketone) and blends with poly (2, 6-dimethyl-1, 4-phenylene oxide) for gas separations
Narang GS, et al.
Polymer, 138, 156-168 (2018)

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