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340502

Sigma-Aldrich

Poly(ethylen-co-vinylacetat)

vinyl acetate 40 wt. %, melt index (41-63 dg/min (190°C/2.16kg)), contains 190-910 ppm inhibitor

Synonym(e):

PEVA

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250 G
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About This Item

Lineare Formel:
(CH2CH2)m[CH2CH(OCOCH3)]n
CAS-Nummer:
MDL-Nummer:
UNSPSC-Code:
12162002
PubChem Substanz-ID:
NACRES:
NA.23

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Form

beads

Selbstzündungstemp.

500 °F

Schmelzindex

(41-63 dg/min (190°C/2.16kg))

Enthält

190-910 ppm inhibitor

Zusammensetzung

vinyl acetate, 40 wt. %

Härte

40 (Shore A-2, ASTM D 2240)

Übergangstemp.

Tg −40-−30 °C
Tm 110-120 °C

Löslichkeit

toluene, THF, and MEK: soluble

SMILES String

C=C.CC(=O)OC=C

InChI

1S/C4H6O2.C2H4/c1-2-3-4(5)6;1-2/h2H,1,3H2,(H,5,6);1-2H2

InChIKey

DQXBYHZEEUGOBF-UHFFFAOYSA-N

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Allgemeine Beschreibung

Poly(ethylene-co-vinyl acetate) (PEVA) is a flame-retardant material with good mechanical and physical properties. It is majorly used as an insulating material in wire and cable industry.[1][2]

Anwendung

  • Correlation between Cohesive Energy Density, Fractional Free Volume, and Gas Transport Properties: This study explores the properties of EVA materials that affect their gas permeability, important for applications like packaging and barrier materials (Kubica & Wolinska-Grabczyk, 2015).
  • The Thermal and Mechanical Properties of EVA and its Crosslinked Analogues: This research investigates how crosslinking affects the thermal and mechanical properties of EVA, which could interest material scientists working with polymers (Wang & Deng, 2019).
  • Investigation of morphological, rheological, and mechanical properties of cyclic olefin copolymer/EVA blend films: This study focuses on the blend properties of EVA with other polymers, providing insights useful in academia and material science (Durmus et al., 2018).
  • Fabrication, characterization, and properties of EVA/magnetite nanocomposites: Relevant to material scientists, this research discusses the incorporation of magnetite nanoparticles into EVA for enhanced properties (Ramesan, 2014).

Lagerklassenschlüssel

11 - Combustible Solids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)


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Die Dokumentenbibliothek aufrufen

Poly (ethylene-co-vinyl acetate)/clay nanocomposites: Effect of clay nature and organic modifiers on morphology, mechanical and thermal properties
Peeterbroeck S, et al.
Polymer Degradation and Stability, 90(2), 288-294 (2005)
Preparation and flammability of a novel intumescent flame-retardant poly (ethylene-co-vinyl acetate) system
Wang D, et al.
Polymer Degradation and Stability, 93(12), 2186-2192 (2008)
Neide Pena Coto et al.
Dental traumatology : official publication of International Association for Dental Traumatology, 28(2), 108-113 (2011-07-28)
There has been a significant increase in the number of facial fractures stemming from sport activities in recent years, with the nasal bone one of the most affected structures. Researchers recommend the use of a nose protector, but there is
Susan Genualdi et al.
Environmental science & technology, 46(14), 7661-7668 (2012-06-19)
Modified polymer-coated glass samplers (POGs), termed EVA samplers, consist of micrometer-thin layers of ethylene vinyl acetate (EVA) coated onto a glass fiber filter or aluminum foil substrate. These samplers were designed to equilibrate rapidly with priority pollutants in air, making
Taiji Ogawa et al.
International journal of oral science, 4(1), 14-18 (2012-03-17)
Bacterial infection associated with the use of medical or dental devices is a serious concern. Although devices made of ethylene vinyl acetate (EVA) are often used in the oral cavity, there are no established standards for their storage. We investigated

Artikel

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

Questions

1–2 of 2 Questions  
  1. 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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  2. 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

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