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Key Documents

378070

Sigma-Aldrich

Poly(tetrafluoroethylene oxide-co-difluoromethylene oxide) α,ω-dicarboxylic acid

average Mn ~2,000

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About This Item

Linear Formula:
HO2CCF2O(CF2CF2O)x(CF2O)yCF2CO2H
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:

form

viscous liquid

mol wt

average Mn ~2,000

dielectric constant

2.3, 50 Hz (23 °C)

refractive index

n20/D 1.301 (lit.)

surface tension

225 dyn/cm, 20 °C

viscosity

60 cSt(20 °C)(lit.)

density

1.823 g/mL at 25 °C (lit.)

SMILES string

OC(O)(F)F.FC1OC1F.OC(=O)C(O)(F)F

General description

Ethylene to methylene ratio 1:1

Application

Incorporate in polymers to lower friction and improve abrasion and chemical resistance and low temperature and tribological performance.

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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