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Merck

189464

Poly(ethylene oxide)

greener alternative

average MV 4,000,000 (nominal), powder, hydroxyl, BHT as inhibitor

Synonyme(s) :

Polyethylene oxide, PEO

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A propos de cet article

Formule linéaire :
(-CH2CH2O-)n
Numéro CAS:
UNSPSC Code:
12352104
PubChem Substance ID:
NACRES:
NA.23
MDL number:
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Nom du produit

Poly(ethylene oxide), average Mv ~4,000,000 (nominal), contains <1000 ppm BHT as inhibitor

SMILES string

[H]OCCO

InChI

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

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

form

powder

mol wt

average Mv ~4,000,000 (nominal)

contains

<1000 ppm BHT as inhibitor, 100-1000 ppm BHT as inhibitor

greener alternative product characteristics

Safer Solvents and Auxiliaries
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sustainability

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viscosity

1,650-5,500 cP, 1 % in H2O(25 °C, Brookfield)(lit.)

transition temp

Tm 65 °C

density

1.21 g/mL at 25 °C

functional group

hydroxyl

greener alternative category

Quality Level

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General description

Poly (ethylene oxide) (PEO) is a crystalline thermoplastic polymer. It is usually available over a wide range of molecular weights; the higher molecular weight entities are called poly (ethylene oxide), poly-oxyethylene or polyoxirane.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. Polyethylene glycol (PEG) is an eco-friendly, biodegradable polymer widely used in pharmaceuticals and cosmetics. Its non-toxic nature and versatility make it a sustainable choice, derived from renewable resources, contributing to greener product formulations. Click here for more information.

Application

PEO may be used to afford PEO-salt complexes which are act as polymeric electrolytes to be used for alkali metal rechargeable batteries. PEO-polyester micelles have been reportedly used for drug delivery. PEO hydrogels have been reported to be used for culture media, replacing agar. Cross-linked PEO may be used for drug delivery and blood filtration. Compounds form association complexes with high molecular weight PEO; for example:

  • bromine combines with PEO in controlled release,
  • carboxymethyl dextran and carechol tannis form complexes with PEO to act as adhesives,
  • copolymer of methyl vinyl ether and maleic anhydride form complex with PEO for its use in microencapsulation of non aqueous inks.

Industrially, PEO may be used to modify bituminous emulsion in paving compositions and as a dispersant for calamine lotion.

Classe de stockage

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Consulter la Bibliothèque de documents

Bailey FE
Alkylene Oxides and Their Polymers null
Hart DS
Polyethylene Oxide-polyester Micelles for Drug Delivery null
Whelan T
Polymer Technology Dictionary null
FE Jr Bailey
Poly(Ethylene Oxide) null
Yi Huang et al.
Polymers, 12(5) (2020-05-21)
Controlling the rheological property of suspensions consisting of colloidal particles and polymers is necessary in industry. Especially, gels induced by shear (shake-gel) are interesting phenomena in rheological field. To gain insight into the shake-gel phenomena of the aqueous suspensions of

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