Merck
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189480

Sigma-Aldrich

Poly(vinyl acetate)

average Mw ~100,000 by GPC, beads

Synonym(s):
Polyvinyl acetate
Linear Formula:
[CH2CH(O2CCH3)]n
CAS Number:
Número MDL:
ID de substância PubChem:
NACRES:
NA.23

forma

beads

Nível de qualidade

100

peso molecular

average Mw ~100,000 by GPC

viscosidade

17-21 sec.(25 °C, Ford, no. 4)(lit.)

densidade

1.18 g/mL at 25 °C

temperatura de armazenamento

2-8°C

SMILES string

COC(=O)C=C

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Descrição geral

Poly(vinyl acetate) (PVAc) is a non-crystalline, atactic polymer. It is prepared from vinylacetate monomer via free radical polymerization. It is commonly usedin the food industry due to its low toxicity and excellent flexibility. PVAc films are used as emission sensors forvehicles and in oral drug delivery products.

Aplicação

Poly(vinyl acetate) can be used as a:
  • Starting material to prepare polymer fibers for gas and humidity sensor applications. Citric acid-doped PVAc nanofibrous mats can be used to develop sensors for trimethylamine gas at room temperature.
  • Polymer coating for floating tablets showing a controlled drug delivery. PVAc is a suitable excipient to ensure reliable and safe drug release. PVAc-based matrix tablet flow due to intrinsic low density and high elasticity of polyvinyl acetate coating.
It can also be used to prepare cellulose nanofibrils(CNF)-PVAc nanocomposite adhesives by simple mixing of CNFs suspension with PVAc and polyvinyl alcohol solution. The addition of CNFs enhances the mechanical properties of the nanocomposite.

Embalagem

25, 500 g in poly bottle
1 kg in poly bottle

Código de classe de armazenamento

11 - Combustible Solids

WGK

WGK 3

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

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Certificate of Origin

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