추천 제품
![Poly[4,5-difluoro-2,2-bis(trifluoromethyl)-1,3-dioxole-co-tetrafluoroethylene] dioxole 65 mol %](/deepweb/assets/sigmaaldrich/product/structures/951/320/21327fcd-4960-402d-8ae1-bf2e379cb2e2/640/21327fcd-4960-402d-8ae1-bf2e379cb2e2.png)
설명
contact angle 105 ° with water
critical surface energy 15.6 dyn/cm
Quality Level
구성
dioxole, 87 mol %
유전 상수
1.904, 1 MHz (ASTM D 150)
refractive index
n20/D 1.29
solubility
fluorinated solvents such as perfluoromethylcyclohexane, perfluorobenzene, and perfluorodecalin: soluble
density
1.67 g/mL at 25 °C
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일반 설명
Poly(4,5-difluoro-2,2-bis(trifluoromethyl)-1,3-dioxole-co-tetrafluoroethylene)(AF2400) is a fluorinated polymer that formed by copolymerization of 4,5-difluoro-2,2-(trifluoromethyl)-1,3-dioxole(PDD) and tetrafluoroethylene(TFE). It has a relatively high glass transition temperature(Tg) and optical transparency which allows it be a photo-stable polymer that can be used for a wide range of coating application in electronic and electrochemical industry.
A tunable, polymeric, photonic material.
애플리케이션
AF2400 dissolved in supercritical CO2 as a solvent can be used as an activated layer that forms an electrode for fuel cell applications. It may be used in the fabrication of organic nanofiltration membrane with polytetrafluoroethylene(PTFE) that can be used in the extraction of hexane from crude mixture of soybean oil. Nanocomposites of silver nanoparticles(AgNPs) may be formed by incorporating AF2400 via vapour phase co-deposition process that can be used in surface enhanced raman spectroscopy sensors and color filters.
Optoelectronic devices for optical clarity, low-refractive index coating for optical devices, protective coating for chemical resistance, release coating, and sight window for harsh chemical environments.
특징 및 장점
High gas permeability, high compressibility, good creep resistance, low thermal conductivity, transparent to microwaves and the lowest dielectric constant of any known fluoropolymer.
물리적 형태
Amorphous copolymer.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Gloves, type N95 (US)
AF2400/PTFE composite membrane for hexane recovery during vegetable oil production.
Li X, et al.
Separation and Purification Technology, 181(25), 223-229 (2017)
Mechanism of 157 nm photodegradation of poly (4, 5-difluoro-2, 2-bis (trifluoromethyl)-1, 3-dioxole-co-tetrafluoroethylene)(teflon AF).
Blakey I, et al.
Macromolecules, 40(25), 8954-8961 (2007)
Properties of thin Teflon AF 2400 coatings deposited onto carbon fabric from solutions in supercritical carbon dioxide.
Kolomytkin DO, et al.
Polymer Science, Series A, 59(1), 42-52 (2017)
Electrical conductivity of thin-film composites containing silver nanoparticles embedded in a dielectric fluoropolymer matrix.
Wei H and Eilers H, et al.
Thin Solid Films, 517(2), 575-581 (2008)
Active layer materials coated with Teflon AF nano-films deposited from solutions in supercritical CO2 for fuel cell applications.
Elmanovich IV, et al.
International Journal of Hydrogen Energy, 38(25), 10592-10601 (2013)
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