Polyvinyl fluoride
Description
A clear, tough, flexible thermoplastic resin formed from vinyl fluoride. Polyvinyl fluoride is resistant to water, oils, solvents, acids and alkalis. It is used in acid resistant filter cloths, surgical sutures, electrical braids, and in outdoor protective coverings.
Synonyms and Related Terms
PVF; poli(fluoruro de vinilo) (Esp.); fluorure de polyvinyl (Fr.); polivinil fluoruro (It.); fluoreto de polivinilo (Port.); poly(vinyl fluoride); polyvinylfluoride
Examples: Tedlar® [DuPont];
Other Properties
Soluble in cyclohexanone, dimethyl formamide. Insoluble in aliphatic hydrocarbons, methanol, acids, alkalis, bleaches. Tenacity = 2.2-4.4 g/denier Elongation = 15-30% Moisture regain = 0.04%
| Composition | [-H2CCHF-]n |
|---|---|
| Melting Point | 170 |
| Density | 1.3-1.7 |
| Refractive Index | 1.42 |
Hazards and Safety
Degrades with heat and light to produce hydrofluoric acid.
Additional Information
G.Cook, Handbook of Textile Fibres:II. Man-made Fibres, 5th edition, Merrow Publishing Co., Durham, England, 1984, p.520.
Authority
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002
- J.Gordon Cook, Handbook of Textile Fibres:II Man-made Fibres, Merrow Publishing Co. , Durham, England