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A propos de cet article
Formule linéaire :
[-CH2CHOH-]n
Numéro CAS:
NACRES:
NA.23
UNSPSC Code:
12352104
MDL number:
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crystalline powder, crystals or granules, powder
mol wt
Mw 13,000-23,000
falling ball
3.5-4.5 cP, 4 % in H2O(20 °C)(lit.)
InChI
1S/C2H4O/c1-2-3/h2-3H,1H2
InChI key
IMROMDMJAWUWLK-UHFFFAOYSA-N
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Catégories apparentées
General description
Polyvinyl alcohol(PVA) is a linear hydrophilicsynthetic polymer with a monoclinic crystal structure. It can be synthesized via the polymerization of vinyl esters orethers, with subsequent saponification or transesterification. Due to itsexcellent physical and chemical properties, PVA has been widely used inadhesives, fibers, paper industry, drug delivery, and tissue engineering.
Application
Poly(vinyl alcohol) can be used as a secondary template in the synthesis of mesoporous zeolites.
It can be used to prepare a hydrogel template to produce homogeneous microparticles for sustained drug release. PVA is used as a stabilizer in micro-particle preparation due to its high tensile strength and flexibility.
It can be used to prepare a hydrogel template to produce homogeneous microparticles for sustained drug release. PVA is used as a stabilizer in micro-particle preparation due to its high tensile strength and flexibility.
PVA is used as a biological reagent to test the dispersion of zinc oxide nanoparticles. PVA has been evaluated as an effective protein resistant material.2 It may be used to stabilize gold colloids of diameter 3-8nm.
Features and Benefits
- Good mechanical and chemical stability
- Non-toxic
- Tunable hydrophilicity
- Resistance to solvents Capable of forming films
Classe de stockage
11 - Combustible Solids
wgk
WGK 1
flash_point_f
No data available
flash_point_c
No data available
ppe
Eyeshields, Gloves, type N95 (US)
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Gold colloidal nanoparticles sized to be suitable precursors for heterogeneous catalysts
Porta F and Prati L
Metal Nanoclusters in Catalysis and Materials Science: The Issue of Size Control, 355-355 (2008)
Zinc oxide nanoparticles as selective killers of proliferating cells.
Taccola L, et al.
International journal of nanomedicine, 6, 1129-1140 (2010)
E Fortunati et al.
Carbohydrate polymers, 97(2), 837-848 (2013-08-06)
Cellulose nanocrystals (CNC) extracted from three different sources, namely flax, phormium, and commercial microcrystalline cellulose (MCC) have been used in a polyvinyl alcohol (PVA) matrix to produce anti-bacterial films using two different amounts of silver nanoparticles (0.1 wt% and 0.5
Nadège Grabowski et al.
International journal of pharmaceutics, 454(2), 686-694 (2013-06-12)
In vitro cytotoxicity and inflammatory response following exposure to nanoparticles (NPs) made of poly(lactide-co-glycolide) (PLGA) have been investigated on A549 human lung epithelial cells. Three different PLGA NPs (230 nm) were obtained using different stabilizers (polyvinyl alcohol, chitosan, or Pluronic(®)
E Fortunati et al.
Carbohydrate polymers, 97(2), 825-836 (2013-08-06)
PVA bio-nanocomposites reinforced with cellulose nanocrystals (CNC) extracted from commercial microcrystalline cellulose (MCC) and from two types of natural fibres, Phormium tenax and Flax of the Belinka variety, were produced by solvent casting in water. Morphological, thermal, mechanical and transparency
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