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Documentos Principais

427144

Sigma-Aldrich

Poly(vinylidene fluoride)

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

Sinônimo(s):

PVDF

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About This Item

Fórmula linear:
(CH2CF2)n
Número CAS:
Número MDL:
Código UNSPSC:
12162002
ID de substância PubChem:
NACRES:
NA.23

pressão de vapor

15 mmHg ( 32 °C)

Formulário

pellets

índice de fusão

7-20 g/10 min (230°C/12.5kg)

peso molecular

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

potência de impacto

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

constante dielétrica

8.0-9.5, 100 Hz (ASTM D 150)

dureza

76-80 (Shore D, ASTM D 2240)

índice de refração

n20/D 1.42

ASTM D 3835

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

temperatura de transição

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

solubilidade

some polar solvents such as organic esters and amines: soluble

densidade

1.78 g/mL at 25 °C

cadeia de caracteres SMILES

FC(F)=C

InChI

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

chave InChI

BQCIDUSAKPWEOX-UHFFFAOYSA-N

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Aplicação

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

Características e benefícios

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.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)


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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
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The results of experimental and clinical studies for the comparative evaluation of implants used in herniology of polytetrafluoroethylene (PTFE) and polyvinylidene fluoride (PVDF) are presented. Experimental investigations conducted on 200 mice, which in the anterior abdominal wall mesh prosthesis implanted.
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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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