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182702

Sigma-Aldrich

Poly(vinylidene fluoride)

powder

Sinónimos:

PVDF

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5 G
MXP 1,475.00
100 G
MXP 5,030.00
250 G
MXP 8,581.00

MXP 1,475.00

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5 G
MXP 1,475.00
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MXP 8,581.00

About This Item

Fórmula lineal:
(CH2CF2)n
Número de CAS:
24937-79-9
Número MDL:
MFCD00084470
Código UNSPSC:
12162002
ID de la sustancia en PubChem:
24851010
NACRES:
NA.23

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presión de vapor

15 mmHg ( 32 °C)

Nivel de calidad

100

Formulario

powder

índice de refracción

n20/D 1.42

temperatura de transición

Tg −38 °C
Tm 171 °C

densidad

1.74 g/mL at 25 °C

cadena SMILES

FC(F)=C

InChI

1S/C2H2F2/c1-2(3)4/h1H2

Clave InChI

BQCIDUSAKPWEOX-UHFFFAOYSA-N

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1 of 4

Este artículo
427152427144427160
Poly(vinylidene fluoride) powder

182702

Poly(vinylidene fluoride)

Poly(vinylidene fluoride) average Mw ~180,000 by GPC, average Mn ~71,000, beads or pellets

427152

Poly(vinylidene fluoride)

Poly(vinylidene fluoride) average Mw ~275,000 by GPC, average Mn ~107,000, pellets

427144

Poly(vinylidene fluoride)

Poly(vinylidene fluoride-co-hexafluoropropylene) average Mw ~400,000, average Mn ~130,000, pellets

427160

Poly(vinylidene fluoride-co-hexafluoropropylene)

refractive index

n20/D 1.42

refractive index

n20/D 1.42

refractive index

n20/D 1.42

refractive index

n20/D 1.41

form

powder

form

beads or pellets

form

pellets

form

pellets

density

1.74 g/mL at 25 °C

density

1.78 g/mL at 25 °C

density

1.78 g/mL at 25 °C

density

1.77 g/mL at 25 °C

vapor pressure

15 mmHg ( 32 °C)

vapor pressure

15 mmHg ( 32 °C)

vapor pressure

15 mmHg ( 32 °C)

vapor pressure

-

mol wt

average Mw ~534,000 by GPC

mol wt

average Mn ~71,000, average Mw ~180,000 by GPC

mol wt

average Mn ~107,000, average Mw ~275,000 by GPC

mol wt

average Mn ~130,000, average Mw ~400,000

transition temp

Tg −38 °C

transition temp

brittleness temperature -62 °C (ASTM D 746), Tm 155-165 °C

transition temp

brittleness temperature -62 °C (ASTM D 746), Tm 166-170 °C (ASTM D 3418)

transition temp

brittleness temperature -62 °C (ASTM 2800), Tm 140-145 °C (ASTM D 3418)

Descripción general

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]

Aplicación

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]

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000347337
0000347337
0000419528
0000419528
0000412314

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Thermal-to-electric energy conversion of a nanoporous carbon
Yu Q, et al
Journal of Power Sources, 183(1), 403-405 (2008)
Shu-Hua Wang et al.
Nanoscale research letters, 9(1), 522-522 (2014-10-08)
Poly(vinylidene fluoride) (PVDF) ultrafine fibers with different proportions of multi-walled carbon nanotube (MWCNT) embedded have been fabricated using a modified electrospinning device with a rotating collector. With the increasing of MWCNT content, the β phase was noticeable enhanced, and the
Chi Yan Lai et al.
Membranes, 4(1), 55-78 (2014-06-25)
Current commercial polymer membranes have shown high performance and durability in water treatment, converting poor quality waters to higher quality suitable for drinking, agriculture and recycling. However, to extend the treatment into more challenging water sources containing abrasive particles, micro
Wenzhong Ma et al.
Membranes, 4(2), 243-256 (2014-06-25)
The crystallization behaviors of two copolymers of PVDF were studied, and the effect of copolymerized chains on the crystallization behavior was investigated. The results indicated that both copolymers had a lowered crystallization temperature and crystallinity. The crystallization rate was improved
Hot Plate Annealing at a Low Temperature of a Thin Ferroelectric P(VDF-TrFE) Film with an Improved Crystalline Structure for Sensors and Actuators.
Sensors (Basel, Switzerland), 14(10), 19115-19127 null
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