8.43871
Polyvinyl alcohol, partially hydrolyzed
(Mw approx.200000) for synthesis
别名:
Polyvinyl alcohol, partially hydrolyzed, PVA, PVOH
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关于此项目
线性分子式:
(C4H6O2 · C2H4O)n
化学文摘社编号:
MDL number:
NACRES:
NA.22
UNSPSC Code:
13111042
eCl@ss:
39020601
Form:
solid
Quality Segment
form
solid
autoignition temp.
>230 °C
mp
>200 °C
density
1.3 g/cm3 at 20 °C
bulk density
400‑600 kg/m3
storage temp.
2-30°C
Analysis Note
Degree of hydrolysis (calculated on dried substance): ≥ 85.0 %
dyn.Viscosity, 20°C (4 %; water): 34.0 - 46.0 mPa∙s
Loss on drying (110 °C 2h): ≤ 5.0 %
Ash: ≤ 1.0 %
Ester value: 130 - 150
dyn.Viscosity, 20°C (4 %; water): 34.0 - 46.0 mPa∙s
Loss on drying (110 °C 2h): ≤ 5.0 %
Ash: ≤ 1.0 %
Ester value: 130 - 150
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存储类别
11 - Combustible Solids
WGK
WGK 1