紀要論文

種々の粒子表面へ対する高分子電解質吸着挙動の解明

INVESTIGATION OF ADSORPTION BEHAVIOR OF POLYELECTROLYTES ONTO VARIOUS PARTICLE SURFACES

jpn

21879923

https://doi.org/10.15002/00013378

法政大学大学院理工学・工学研究科

57

1

4

2016-03-24

Version of Record

ヘッダー部分に誤記 ; (誤) 法政大学大学院理工学・工学研究科紀要 (正) 法政大学大学院紀要. 理工学・工学研究科編

It is well known that the product properties fabricated in material processes strongly depend on the particle packing structure. [1～8] In this paper，we have tried to investigate the adsorption mechanism of the polymer to the particle surface in order to establish the slurry preparation guidelines to achieve the desired particle dispersion state．We measured the adsorbed amount of polymer, and discussed its effect on packing and flow characteristics of carbon and alumina aqueous slurries in which added Na-CMC, Na-PAA, and Sodium stearate. It was found that Na-CMC was suitable to disperse carbon powder while Na-PAA was suitable to disperse alumina powder. From the adsorption of sodium stearate, it was indicated that the hydrophobic group of sodium stearate molecule should adsorb onto carbon surface, suggesting Na-CMC also adsorbed to carbon due to hydrophobic interaction. These results were completely different from the results of alumina. [9] We can conclude that changing the hydrophobicity of adding polymer to particles with different hydrophobicity should be effective to disperse particles well in aqueous media.

Article

AA12677220