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427144

Sigma-Aldrich

Poly(vinylidene fluoride)

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

Synonym(s):

PVDF

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About This Item

Linear Formula:
(CH2CF2)n
CAS Number:
24937-79-9
MDL number:
MFCD00084470
UNSPSC Code:
12162002
PubChem Substance ID:
24866739
NACRES:
NA.23

vapor pressure

15 mmHg ( 32 °C)

Quality Level

100

form

pellets

melt index

7-20 g/10 min (230°C/12.5kg)

mol wt

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

impact strength

2-4 ft-lb/in. (Izod, ASTM D 256, notched)

dielectric constant

8.0-9.5, 100 Hz (ASTM D 150)

hardness

76-80 (Shore D, ASTM D 2240)

refractive index

n20/D 1.42

ASTM D 3835

17,500-21,500 poise(230 °C) (100 sec-1)(lit.)

transition temp

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

solubility

some polar solvents such as organic esters and amines: soluble

density

1.78 g/mL at 25 °C

SMILES string

FC(F)=C

InChI

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

InChI key

BQCIDUSAKPWEOX-UHFFFAOYSA-N

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Application

Coatings, film, filter cloth, instrument linings, filtration membranes, pump parts and linings and valves.

Features and Benefits

Crystallizes in at least 3 forms, depending on crystallization conditions. High mechanical strength,abrasion resistance and dielectric strength. Resists most chemicals, UV radiation, weathering and fungi.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Hanbit Jin et al.
ACS nano, 13(7), 7905-7912 (2019-06-28)
Soft and stretchable electrodes are essential components for skin-tight wearable devices, which can provide comfortable, unobtrusive, and accurate physiological monitoring and physical sensing for applications such as healthcare, medical treatment, and human-machine interfaces. Metal-elastomer nanocomposites are a promising approach, enabling
Dongrui Wang et al.
ACS applied materials & interfaces, 4(11), 6273-6279 (2012-11-01)
In this work, two series of nanocomposites of poly(vinylidene fluoride) (PVDF) incorporated with reduced graphene oxide (rGO) and poly(vinyl alcohol)-modified rGO (rGO-PVA) were fabricated using solution-cast method and their dielectric properties were carefully characterized. Infrared spectroscopy and atom force microscope
Christian M Coviello et al.
IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 59(10), 2322-2330 (2012-11-13)
A new 2-D hydrophone array for ultrasound therapy monitoring is presented, along with a novel algorithm for passive acoustic mapping using a sparse weighted aperture. The array is constructed using existing polyvinylidene fluoride (PVDF) ultrasound sensor technology, and is utilized
Evaluation of a commercially available polyvinylidene fluoride membrane filtration system for water decontamination.
M R Francis et al.
Indian journal of medical microbiology, 31(1), 97-98 (2013-03-20)
Xingtao Zuo et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 66(11), 2343-2348 (2012-10-04)
A new type of poly(vinylidene fluoride)(PVDF)-SiO(2) hybrid anion-exchange membrane was prepared by blending method. The anion-exchange groups were introduced by the reaction of epoxy groups with trimethylamine (TMA). Contact angle between water and the membrane surface was measured to characterize
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