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Zheflon® FL2000 PVDF - Lithium battery Binders Grade

Categories	PVDF for Lithium Batteries
Brand	Flurine
Model	FL2000
Features	Homopolymer, ultra high viscosity
Uses	Lithium battery binders
Forms	White powder
Update Time	2021-09-21

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Detail Information

PVDF Characteristic

Process safety instructions

Packaging and storage

Zheflon®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
Items	FL2000-1	FL2000-2	Test Method
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