Coating films made from various types of particle dispersion liquids and materials are widely used in fuel cell electrode membranes and conductive thin films for lithium rechargeable batteries.
In our group, using various particle dispersion materials, we are carrying on research on the following subjects:
(*) Group Leader
Yoshiyuki Komoda (Assistant Professor)(*)
- Hironobu Imakoma (Associate Professor)
Rheological Analysis of Fine-particle Distributed Manipulation
Our objective is to understand through rheologic measurement the structural changes going along with dispersion progression when we mix particles and solvents in a homogeneous shear field.
The Viscometric method is widely known but Non-linear viscoelastic measurement is effective at analyzing the internal structure of high-concentrated dispersion systems.
Coating and Drying Analysis of Particle Dispersion Fluid
We examine the impact of shear manipulation in coating on the condensed state and its subsequent drying process, as well as directly observe particle aggregate breaking and reagglomeration during shearing application on coating manipulation simulation step.
We also analyse coating membrane internal filling rate variation and ray scattering obtained through parallel measurement of thickness and weight in the structural formation process of applied surfaces.
In addition, we are performing research on the characteristic particle accumulation process that occurs in the edge of the coating membrane.
Development of a Micro-rheology Measurement System for Coating Film Drying Understanding
Our focus is on rheologic measurement using magnetic miroparticles by applying a contactless measurement method in structural formation from the drying process. Through this method we expect to know the local structural formation occuring in microdrops' drying process and coating membrane edge patterning.