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Merck
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Documentos Principais

182028

Sigma-Aldrich

Poly(ethylene oxide)

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

Sinônimo(s):

Polyethylene oxide, PEO

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About This Item

Fórmula linear:
(-CH2CH2O-)n
Número CAS:
Número MDL:
Código UNSPSC:
12352104
ID de substância PubChem:
NACRES:
NA.23
Preço e disponibilidade não estão disponíveis no momento.

Nome do produto

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

Formulário

powder

Nível de qualidade

peso molecular

average Mv 600,000 (nominal)

contém

200-500 ppm BHT as inhibitor

viscosidade

4,500-8,800 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

temperatura de transição

Tm 65 °C

Ω-final

hydroxyl

α-final

hydroxyl

aplicação(ões)

battery manufacturing

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)(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.

Aplicação

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.

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)


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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
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Artigos

Electrospinning technique applications discussed, emphasizing control of nanofibers and assembly into 3D architectures.

Progress in biotechnology fields such as tissue engineering and drug delivery is accompanied by an increasing demand for diverse functional biomaterials. One class of biomaterials that has been the subject of intense research interest is hydrogels, because they closely mimic the natural environment of cells, both chemically and physically and therefore can be used as support to grow cells. This article specifically discusses poly(ethylene glycol) (PEG) hydrogels, which are good for biological applications because they do not generally elicit an immune response. PEGs offer a readily available, easy to modify polymer for widespread use in hydrogel fabrication, including 2D and 3D scaffold for tissue culture. The degradable linkages also enable a variety of applications for release of therapeutic agents.

Designing biomaterial scaffolds mimicking complex living tissue structures is crucial for tissue engineering and regenerative medicine advancements.

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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