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Zheflon® FL2000 PVDF - Lithium battery Binders Grade
CategoriesZheflon® FL2000 PVDF - Lithium battery Binders Grade
Categories PVDF for Li-batteries Album View larger image Brand Flurine Model FL2000 Features Homopolymer, ultra high viscosity Uses Lithium battery binders Forms White powder Update Time 2020-07-13 Detail InformationZheflon®FL2000 PVDF homopolymer is an ultra high viscosity grade that gives the best adhesion ideal for its usage in lithium batteries. The high purity and crystallinity levels are the guarantee for high resistance in typical electrolytes used in lithium batteries
General
Features
Homopolymer, ultra high viscosity
Uses
Lithium battery binders
Forms
White powder
Items
Typical Value
Test Method
FL2000-1
FL2000-2
Physical Properties
Density（g/cc）
1.77~1.79
1.77~1.79
ASTM D792
Particle size（μm）（D50）
≤70
≤70
ISO 22412
Water Absorption（%）(Time 24 hr)
≤0.10
≤0.10
ISO 62
Dissolution properties
Rotational viscosity（cps）
8000-12000
1gPVDF:10gNMP，#3spindle，25℃
Rotational viscosity（cps）
8000-16000
0.8gPVDF:10gNMP，#3spindle，25℃
Molecular properties
Molecular weight（Da）
1,000,000~1,250,000
1,500,000~2,000,000
GPC,DMF,ISO 16014
Intrinsic viscosity（dl/g）
3.0~3.3
3.8~4.5
30℃,DMAC
Molecular weight distribution
1.8-2.5
1.8-2.5
GPC,DMF,ISO 16014
Thermal Properties
Melting Point（℃）
169~173
169~173
ASTM D3418
Crystallization Temperature(DSC peak)（℃）
137~144
137~144
ASTM D3418
Glass Transition Temp, Tg（℃）
-40.0
-40.0
ASTM E1356
Decomposition Temperature（℃）
375
375
1% wt. loss / in air
Crystallization Heat（J/g）
50.0~56.0
50.0~56.0
ASTM D3417
Heat of Fusion（J/g）
55.0~66.0
55.0~66.0
ASTM D3417
Electrical Properties
Surface Resistance（ohm）
≥1.00E+14
≥1.00E+14
Voltage<1V
After 2 min—500V
ASTM D257
Electrical Resistivity（ohm·cm）
≥1.00E+14
≥1.00E+14
Intensity=10mA
After 2 min@23℃
ASTM D257
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