Lithium Grade PVDF Suspension Resin CAS 24937-79-9

Introduction

This product is a modified PVDF resin prepared by the suspension method with a high viscosity grade. Through modification, it improves the adhesion with the active substance, metal pole piece, and polymer.

Physical and chemical properties

White powder, particle size (D50) below 100 μm, melting point 160-165 °C, standard specific gravity 1.75-1.77. The product can be used stably at high voltage with excellent heat resistance, electrical insulation, and chemical stability.

Application

This product has high crystallinity and a low swelling rate and can be used for positive and negative electrodes in common ternary systems, high-nickel ternary systems, iron phosphate systems, and cobalt-acid systems. It is mainly used in power batteries for new energy passenger vehicles, UPS, backup power supplies, and communication energy storage and as positive electrode materials for lithium-ion batteries for mobile phones, laptops, and other portable electronic devices.

Specification:

Items	KT1020		KT1025		KT1130
Appearance	White powder,No Obvious Impurities		White powder,No Obvious Impurities		White powder,No Obvious Impurities
Solubility	Clarity and Transparency, No Impurities		Clarity and Transparency, No Impurities		Clarity and Transparency, No Impurities
Particle Size (D50), μm	≤100		≤100		≤100
Relative Density, g/cm3	1.75-1.77		1.75-1.77		1.75-1.77
Moisture Content, wt%	≤0.15		≤0.10		≤0.10
Rotational Viscosity, (7wt%,25℃) mPa.s	1900-2900		2000-4000		5500-9500
Melting Point, ℃	160-165		166-172		160-165
Thermal Decomposition Temperature, ℃	＞360		＞360		＞360
Weight-average Molecular Weight	800000-1200000		800000-1200000		1100000-1300000
Molecular Weight Distribution	2.0-4.0		2.0-4.0		2.0-4.0

 

Packing & Storage:

The product should be stored in a clean, dry warehouse to prevent the introduction of impurities. This product is non-toxic and harmless at room temperature, but care should be taken to avoid processing temperatures exceeding 350°C to prevent decomposition and the generation of toxic gases.

 

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