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Sigma-Aldrich 182702 Poly(vinylidene fluoride) average Mw ~534,000 by GPC, powder 100 gr

Stok Kodu
LB.SA.182702-100G
Bilgi
CAS Number: 24937-79-9
Sigma-Aldrich 182702 Poly(vinylidene fluoride) average Mw ~534,000 by GPC, powder
Synonym(s): PVDF
Linear Formula: (CH2CF2)n
CAS Number: 24937-79-9
MDL number: MFCD00084470
PubChem Substance ID: 24851010
NACRES: NA.23
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Sigma-Aldrich 182702 Poly(vinylidene fluoride) average Mw ~534,000 by GPC, powder
PROPERTIES
vapor pressure 15 mmHg ( 32 °C) 
Quality Level 100 
form powder 
mol wt average Mw ~534,000 by GPC 
refractive index n20/D 1.42 
transition temp Tg −38 °C Tm 171 °C 
density 1.74 g/mL at 25 °C 
SMILES string FC(F)=C  InChI 1S/C2H2F2/c1-2(3)4/h1H2 
InChI key BQCIDUSAKPWEOX-UHFFFAOYSA-N
DESCRIPTION
General description
Poly(vinylidene fluoride) PVDF is a semi crystalline non-centrosymmetric polymer which exhibits piezo-, pyro- and ferroelectric properties. It is a linear polymer that shows permanent electric dipoles perpendicular to the direction of the molecular chain. These dipoles result from the difference in electronegativity between the atoms of hydrogen and fluorine with respect to carbon. Depending on the processing conditions, PVDF exhibits several different crystalline phases (α,β,γ,δ). The β phase of PVDF is the phase that exhibits the best ferroelectric and piezoelectric properties.[1][2][3][4]
Application
Poly(vinylidene fluoride) (PVDF) is used in nanoporous electrodes.[5] It is used to synthesize composites comprising of ultrafine fibers of PVDF embedded with carbon nanotubes.[2] It can be used in sensors, actuators, for energy storage,[1] sphygmomanometers, pressure sensors and nanogenerators,[4] lithium ion batteries.[6] Additionally, it may find application as matrix for PVDF-nanoclay nanocomposites[7] and PVDF acrylic rubber/clay nanocomposite hybrid.[8]
Packaging
5 g in glass bottle
100, 250 g in poly bottle
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Sigma-Aldrich 182702 Poly(vinylidene fluoride) average Mw ~534,000 by GPC, powder 100 gr Synonym(s): PVDF, Linear Formula: (CH2CF2)n, CAS Number: 24937-79-9, MDL number: MFCD00084470, LB.SA.182702-100G
Sigma-Aldrich 182702 Poly(vinylidene fluoride) average Mw ~534,000 by GPC, powder 100 gr

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