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182028

Sigma-Aldrich

Poly(ethylene oxide)

average MV 600,000 (nominal), powder, hydroxyl, BHT as inhibitor

Sinónimos:

Polyethylene oxide, PEO

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About This Item

Fórmula lineal:
(-CH2CH2O-)n
Número de CAS:
25322-68-3
MDL number:
MFCD00081839
UNSPSC Code:
12352104
PubChem Substance ID:
24850972
NACRES:
NA.23

product name

Poly(ethylene oxide), average Mv 600,000 (nominal), powder

form

powder

Quality Level

100

mol wt

average Mv 600,000 (nominal)

contains

200-500 ppm BHT as inhibitor

viscosity

4,500-8,800 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 high molecular weight, non-ionic water-soluble polymer. It forms agel on hydration and shows good swelling capacity. PEO polymers are non-toxicand widely used in drug delivery systems to enhance drug solubility.

Application

Poly(ethylene oxide) can be used to prepare:
  • Bioabsorbable and injectable hydrogels for sustained drug release.
  • PEO/graphene oxide composite electrolyte membrane for fuel cells.
  • Poly(ethylene oxide)-b-poly(ε-caprolactone) (PEO-b-PCL) diblock copolymer. Losartan potassium encapsulated (PEO-b-PCL) copolymer can be used as a drug carrier.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Jun Li et al.
Journal of biomedical materials research. Part A, 65(2), 196-202 (2003-05-08)
Polymeric hydrogels long have attracted interest for biomaterials applications because of their generally favorable biocompatibility. High in water content, they are particularly attractive for delivery of delicate bioactive agents, such as proteins. However, because they require covalent crosslinking for gelation
Angeliki Chroni et al.
Nanomaterials (Basel, Switzerland), 10(9) (2020-09-24)
We report on the preparation of drug nanocarriers by encapsulating losartan potassium (LSR) into amphiphilic block copolymer micelles, utilizing the biocompatible/biodegradable poly(ethylene oxide)-b-poly(ε-caprolactone) (PEO-b-PCL) diblock copolymer. The PEO-b-PCL micelles and LSR-loaded PEO-b-PCL nanocarriers were prepared by organic solvent evaporation method
D D Smyth et al.
Cardiovascular drugs and therapy, 4(1), 297-300 (1990-02-01)
Previous studies have demonstrated that Separan AP-30, a drag-reducing polymer, significantly decreased the formation of atherosclerotic plaques in rabbits fed a high-cholesterol diet. Furthermore, Separan AP-273, a polymer similar to but longer than Separan AP-30, markedly increased cardiac output in
I L Konorova et al.
Patologicheskaia fiziologiia i eksperimental'naia terapiia, (4)(4), 7-9 (1991-07-01)
The search for antiaggregatory compounds is undertaken, as a rule, under in vitro conditions which do not reflect the dynamics of the real process. The present work deals with study of the peculiarities of the development of the collagen induced
P I Polimeni et al.
Journal of cardiovascular pharmacology, 14(3), 374-380 (1989-09-01)
The acute hemodynamic effects of an intravenously (i.v.) injected poly(ethylene oxide), Polyox WSR N-60K (dose 50 mg/kg), were studied in the open-chest rat anesthetized with sodium pentobarbital. The injectate is one of four drag-reducing polymers known to augment in vitro
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