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Sigma-Aldrich

Poly(ethylene oxide)

average Mv 400,000 (nominal), powder

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Synonym(s):
PEO
Linear Formula:
(-CH2CH2O-)n
CAS Number:
25322-68-3
MDL number:
MFCD00081839
PubChem Substance ID:
24863164
NACRES:
NA.23

form

powder

Quality Level

200

mol wt

average Mv 400,000 (nominal)

contains

200-500 ppm BHT as inhibitor

viscosity

2,250-4,500 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

transition temp

Tm 65 °C

Ω-end

hydroxyl

α-end

hydroxyl

application(s)

battery manufacturing

SMILES string

[H]OCCO

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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General description

Poly(ethylene oxide) (PEO) is a higher molecular weight (Mv 400,000) thermoplastic water soluble polymer that is formed by the polymerization of ethylene oxide.

Application

PEO can be used in applications such as biomedical, energy and surface functionalization of nanoparticles.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

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Alexander Yang et al.
Biophysical journal, 112(7), 1462-1471 (2017-04-14)
Many species of bacteria can spread over a moist surface via a particular form of collective motion known as "surface swarming". This form of motility is typically studied by inoculating bacteria on a gel formed by 0.4-1.5% agar, which contains
Polycaprolactone-b-poly (ethylene oxide) copolymer micelles as a delivery vehicle for dihydrotestosterone
Allen C, et al.
Journal of Controlled Release : Official Journal of the Controlled Release Society, 63(3), 275-286 (2000)
Poly(Ethylene Oxide) (2012)
Poly (ethylene oxide)-based electrolytes for lithium-ion batteries
Xue Z, et al.
Journal of Material Chemistry A, 3(38), 19218-19253 (2015)
Fabrication and properties of composites of poly (ethylene oxide) and functionalized carbon nanotubes
Geng HZ, et al.
Advanced Materials, 14(19), 1387-1390 (2002)
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