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189456

Sigma-Aldrich

Poly(ethylene oxide)

average MV 900,000 (nominal), powder, hydroxyl, BHT as inhibitor

Sinônimo(s):

Polyethylene oxide, PEO

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5 G
R$ 583,00
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R$ 1.842,00
500 G
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About This Item

Fórmula linear:
(-CH2CH2O-)n
Número CAS:
25322-68-3
Número MDL:
MFCD00081839
Código UNSPSC:
12352104
ID de substância PubChem:
24851381
NACRES:
NA.23

R$ 583,00

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Nome do produto

Poly(ethylene oxide), average Mv ~900,000 (nominal), powder

Formulário

powder

Nível de qualidade

200

peso molecular

average Mv ~900,000 (nominal)

contém

200-500 ppm BHT as inhibitor

viscosidade

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

temperatura de transição

Tm 65 °C

densidade

1.21 g/mL at 25 °C

grupo funcional

hydroxyl

cadeia de caracteres SMILES

[H]OCCO

InChI

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

chave InChI

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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Descrição geral

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.

Aplicação

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.

Características e benefícios

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

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
MKCX4194
MKCV1366
MKCS9096
MKCR9874
MKCR9876

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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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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
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