Powder rheology measurement case (graphite) rheometer
This is a case study analyzing battery graphite using the newly released powder rheology accessories from 2022.
Powder materials are used in various fields such as polymers, pharmaceuticals, and battery materials. In addition to general physical properties like particle size and density, these powders can take various forms such as storage, flow, and agglomeration, making it necessary to evaluate their physical properties while considering the environment in which they will be used. To effectively evaluate these physical properties with high precision and convenience, a new powder accessory for HR rheometers was launched in 2022. In this instance, we will focus on "graphite for batteries" and present a case study of powder rheology analysis.
basic information
【Device Lineup/Main Evaluation Items】 <DSC Differential Scanning Calorimeter> Melting heat, temperature/glass transition temperature/crystallization, melting/reaction heat, temperature/oxidation <TGA Thermogravimetric Analyzer> Thermal decomposition temperature/quantification of composite material composition/residual solvent amount/kinetic analysis of decomposition reactions <TMA Thermomechanical Analyzer> Glass transition temperature/thermal expansion coefficient/residual strain <DMA Dynamic Mechanical Analyzer> Glass transition temperature/elastic modulus, Young's modulus/frequency dependence/master curve/creep characteristics <Rheometer> Viscoelastic properties/glass transition temperature/elastic modulus/frequency dependence/master curve/thixotropy
Price information
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Applications/Examples of results
【Applications】 ☆ Thermal analysis / glass transition, crystallization, thermogravimetric analysis, curing reactions, expansion rate, thermal conductivity, shrinkage rate, effects of moisture, etc. ☆ Viscoelasticity measurement (rheology, rheometer) / viscoelasticity, elastic modulus, viscosity, stress relaxation, creep, master curve, residual strain, molecular weight, molecular weight distribution, etc. ☆ Calorimetry (calorimeter) / intermolecular interactions, crystallization, amorphousness, aggregation/precipitation, dispersibility, solubility, compatibility, wettability, stability, adsorption, etc. 【Examples of Achievements】 ■ Aerospace ■ Asphalt ■ Automotive ■ Ceramics ■ Elastomers ■ Electrical ■ Food ■ Personal care ■ Biomedical ■ Paints and coatings ■ Inks ■ Petroleum products ■ Pharmaceuticals, etc.
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May event! Electronic Materials Analysis Webinar
Event Date and Time: May 16, 2024 (Thursday) For details and registration, please visit the link below! https://pages.waters.com/2024-05-31-WBN-TAJP-Electronicmaterialsseminar_LP-Registration1.html 13:00 - 14:30 [Title] Case Studies of Failures in Semiconductor Electronic Components Caused by Stress and Moisture Absorption, and Evaluation of the Properties of Packaging Materials [Speaker] Tetsuya Onishi, Managing Director, G.J.Tech (Grand Joint Technology Ltd.), a consulting company specializing in semiconductor-related packaging processes 14:30 - 14:45 [Title] Introduction to the Discovery SA Moisture Absorption and Desorption Weight Measurement Device [Speaker] Minako Maeda, Applications Department, TA Instruments 14:45 - 15:00 [Title] Measurement Devices and Case Studies of Expansion and Viscoelasticity Under Temperature and Humidity Changes [Speaker] Yasuki Otsuka, Applications Department, TA Instruments
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April Event! Battery Analysis Webinar
Event Date and Time: April 18, 2024 (Thursday) For details and registration, please use the link below! https://pages.waters.com/2024-04-18-WBN-TAJP-BatteryWebinar_LP-Registration1.html 1:00 PM - 2:00 PM [Title] The Role of Material Powders and Evaluation Techniques in Lithium-Ion Batteries [Speaker] Kazushi Okui, Dainen Material Co., Ltd. 2:00 PM - 2:20 PM [Title] Evaluation of Powder Materials for Batteries Using Powder Accessories for Rotational Rheometers [Speaker] Masayoshi Takano, TA Instruments Application Department 2:20 PM - 2:40 PM [Title] New Method for Slurry Analysis Connecting Powders to Electrodes: Leo Impedance Measurement [Speaker] Yuki Kawata, TA Instruments Application Department 2:40 PM - 3:00 PM [Title] Introduction of the Latest Model of Basic Powder Property Measurement Equipment (by Micromeritics) [Speaker] Yushi Hiromatsu, Shimadzu Science East Japan Co., Ltd.
