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Documentos Principais

414093

Sigma-Aldrich

Poly(vinyl alcohol-co-ethylene)

ethylene 32 mol %

Sinônimo(s):

PVA-co-PE

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About This Item

Fórmula linear:
(CH2CH2)x[CH2CH(OH)]y
Número CAS:
Número MDL:
Código UNSPSC:
12162002
ID de substância PubChem:
NACRES:
NA.23

Formulário

pellets

Nível de qualidade

índice de fusão

3.8 g/10 min (210°C)

composição

ethylene, 32 mol %

dureza

100 (Rockwell M, ASTM D 785)

Impurezas

<0.7% polymerized vinyl acetate

temperatura de transição

Tm 183 °C (DSC peak)
Tg 69 °C

solubilidade

DMSO, water/n-propanol (1:1), and phenol: soluble

densidade

1.19 g/mL at 25 °C

cadeia de caracteres SMILES

C=C.OC=C

InChI

1S/C2H4O.C2H4/c1-2-3;1-2/h2-3H,1H2;1-2H2

chave InChI

UFRKOOWSQGXVKV-UHFFFAOYSA-N

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Descrição geral

Poly(vinyl alcohol-co-ethylene) (PVA-co-PE) is a hydrophilic biocompatible polymer that has a non-toxic nature. It has high tensile strength and good film forming ability that make it useful in the food packaging industry.

Aplicação

PVA-co-PE can be used as a membrane in a variety of applications like filtration, biosensor and food sensors. It can also be used as a nanoporous membrane, which can potentially be used as a separator in energy vehicles and lithium ion batteries.

Outras notas

Maximum working temperature 240°C

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

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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High performance filtration nanofibrous membranes based on hydrophilic poly (vinyl alcohol-co-ethylene) copolymer
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Ethylene vinyl alcohol (EVOH) is one of the best known flexible thermoplastic oxygen barrier materials in use today. It is especially important for refrigerated and shelf-stable foods where oxygen deteriorates the quality of packaged products and reduces their shelf life.
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The U.S. Food and Drug Administration allows a maximum of 72 mg of caffeine per 12 oz. serving (6 mg/oz). Consuming 400 mg of caffeine 3 times daily for 7 days may develop sleep disruption effects. However, it is still

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