Good Chemical Stability Battery Polyvinylidene Fluoride PVDF Powder
Product Specification
1.761A is a kind of powder - like polyvinyl fluoride product, which has good solubility in some solvents.
2.Compared with other brands of 761A, PVDF is more suitable as a lithium battery electrode binder material, less
than similar products, thereby increasing the capacity of the battery.
3.761A is a kind of polymer material with high dielectric constant, which has high viscosity and adhesion in a certain solvent.
4.The lithium battery membrane electrode material made of 761A has good chemical stability, temperature stability and good workability.
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Item
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Unit
|
Test way
|
Stand
|
|
Purity
|
%
|
/
|
More than 99.9%
|
|
Density
|
g/cm3
|
D792
|
1.77-1.80
|
|
Melting point
|
℃
|
D3418
|
165-172
|
|
molecular weight
|
/
|
/
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65-75
|
|
(230℃,5kg) / Melt Flow Index
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g/10min
|
D3835
|
1-2
|
|
Characteristic viscosity
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dl/g
|
DMA,30℃
|
1.0-2.0
|
|
Rotary viscometer
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Mpa.s
|
1g/10ml NMP,30℃
|
>2500
|
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solubility
|
/
|
NMP/DMP,30℃,1hr
|
clear solution
|
|
Shao Hardness
|
D
|
D2240
|
76-80
|
|
shrinking percentage
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%
|
D955
|
2.0-3.0
|
|
Water absorption
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%
|
D570
|
0.01-0.03
|
|
Thermal decomposition
(1% Wt loos in air)
|
℃
|
TGA
|
370-390
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