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189456

Sigma-Aldrich

Poly(ethylenoxid)

average Mv ~900,000 (nominal), powder

Synonym(e):

PEO

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About This Item

Lineare Formel:
(-CH2CH2O-)n
CAS-Nummer:
25322-68-3
MDL-Nummer:
MFCD00081839
UNSPSC-Code:
12352104
PubChem Substanz-ID:
24851381
NACRES:
NA.23

Form

powder

Qualitätsniveau

200

Mol-Gew.

average Mv ~900,000 (nominal)

Enthält

200-500 ppm BHT as inhibitor

Viskosität

8,800-17,600 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

Übergangstemp.

Tm 65 °C

Dichte

1.21 g/mL at 25 °C

Funktionelle Gruppe

hydroxyl

SMILES String

[H]OCCO

InChI

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

InChIKey

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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Allgemeine Beschreibung

Poly(ethylene oxide) is a synthetic hydrophilicpolymer available in a number of molecular weights. It can be obtained by thering-opening polymerization of ethylene oxide. This biocompatible polymer can be widely used in the field of biomedical research,tissue engineering and surface functionalization.

Anwendung

PEO can be used to prepare polymer electrolyte systems for energy storage and conversion devices due its low glass transition temperature and ability to form complex with many alkaline salts.

Owing to its hydration and swelling properties, it is widely used as a precursor to prepare block copolymer micelles for selective drug and gene delivery.

Itcan also be used to fabricate nanofibrous membranes for the adsorption of heavymetal ions.

Leistungsmerkmale und Vorteile

  • Excellent polymer chain flexibility
  • Low toxicity
  • High solvation power
  • Lowglass transition temperature

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

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