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427152

Sigma-Aldrich

Poly(vinylidene fluoride)

average Mw ~180,000 by GPC, average Mn ~71,000, beads or 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:
24866740
NACRES:
NA.23

vapor pressure

15 mmHg ( 32 °C)

Quality Level

100

form

beads or pellets

melt index

20-35 g/10 min (230°C/3.8kg)

mol wt

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

6,000-7,500 poise(230 °C) (100 sec-1)(lit.)

transition temp

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

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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Luminita Nicoleta Dumitrescu et al.
Molecules (Basel, Switzerland), 25(3) (2020-02-06)
Recent advancements in biomedicine have focused on designing novel and stable interfaces that can drive a specific cellular response toward the requirements of medical devices or implants. Among these, in recent years, electroactive polymers (i.e., polyvinylidene fluoride or PVDF) have
Adhikara Resosudarmo et al.
Water research, 47(2), 911-921 (2012-12-12)
Organic fouling remains a significant challenge in the application of ultrafiltration (UF) pretreatment systems in the desalination industry. In this study, the fouling potential of organic materials in seawater was investigated using model seawater solution containing humic acid and alginate.
Yu-Jen Hsu et al.
The Journal of the Acoustical Society of America, 132(6), 3826-3831 (2012-12-13)
A tone analyzer is demonstrated using a distributed resonator architecture on a tensioned piezoelectric polyvinyledene diuoride (PVDF) sheet. This sheet is used as both the resonator and detection element. Two architectures are demonstrated; one uses distributed, directly addressed elements as
Vincent S D Voet et al.
Nanoscale, 5(1), 184-192 (2012-11-10)
The fabrication of nanoporous poly(vinylidene fluoride) (PVDF) and PVDF/nickel nanocomposites from semicrystalline block copolymer precursors is reported. Polystyrene-block-poly(vinylidene fluoride)-block-polystyrene (PS-b-PVDF-b-PS) is prepared through functional benzoyl peroxide initiated polymerization of VDF, followed by atom transfer radical polymerization (ATRP) of styrene. The
X S Yi et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(3), 477-484 (2012-12-04)
In the present study, nano-sized TiO(2)/Al(2)O(3) modified polyvinylidene fluoride (PVDF) membranes (MM) were fabricated and then utilized for oil/water emulsion separation. The results showed that, compared with PVDF membrane (OM), the contact angle of MM decreased and hydrophilicity increased. The
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