427179

Poly(vinylidenfluorid-co-hexafluorpropylen)

average M_w ~455,000, average M_n ~110,000, pellets

• Synonym(e): PVDF-HFP
• Lineare Formel: (-CH₂CF₂-)_x[-CF₂CF(CF₃)-]_y
• CAS-Nummer: 9011-17-0
• MDL-Nummer: MFCD00212573
• UNSPSC-Code: 12162002
• PubChem Substanz-ID: 24866742
• NACRES: NA.23

Eigenschaften

• Form: pellets
• Schmelzindex: 3.5-7.5 g/10 min (230°C/12.5kg)
• Mol-Gew.: average M_n ~110,000; average M_w ~455,000
• Stoßfestigkeit: 6-10 ft-lb/in. (Izod, ASTM D 256, notched)
• Dielektrizitätskonstante: 9.0-10.0, 100 Hz (ASTM D 150)
• Härte: 70 (Shore D, ASTM D 2240)
• Brechungsindex: n20/D 1.42
• Viskosität: 23,000-27,000 poise(230 °C) (100 sec^-1)(lit.)
• Übergangstemp.: T_m 155-160 °C (ASTM D 3418)
• Dichte: 1.77 g/mL at 25 °C
• SMILES String: FC(F)=C.FC(F)=C(F)C(F)(F)F

Beschreibung

Anwendung

Wire and cable coatings, flexible and corrosion-resistant tubing, and liners for pipes and tanks.

Leistungsmerkmale und Vorteile

Excellent thermal stability, chemical and abrasion resistance, impervious to UV degradation, self-extinguishing and retains properties on aging. Improved flexibility at subzero temperatures, stress crack resistance and elongation to break over poly(vinylidene fluoride).

Physikalische Form

Crystalline, thermoplastic copolymer.

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 2
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type N95 (US)