Polivinil alcool, M.W. ∼ 31,000-50,000 98.0-98.8 %, hydrolysed
Fornitore: Thermo Scientific
Synonyms:
PVOH, PVA, Mowiol®
Formula:
[-CH₂CH(OH)-]n Punto di fusione: 230…240 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00081922 CAS Number: 9002-89-5 |
Risultati del test di specificazione
Appearance | White to cream Granular powder |
Infrared spectrum | Conforms |
Viscosity | 5.5 to 6.6 cP (4 % in water) |
Degree of hydrolysis | 98.0 to 98.8 mol % |
Ash | ≤1.2 % (as Na2O) |
pH | 5.0 to 7.0 (4 % in water) |
Volatile matter | ≤5 % |
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