The surfaces of pigment particles are negatively charged because of the use of anionic dispersant during the preparation, which can produce static repulsions among dispersed pigment particles and thus keep the dispersion in good condition.
The surfaces of pigment particles are negatively chargedbecause of the use of anionic dispersant during the preparation,which can produce static repulsions among dispersed pigment particlesand thus keep the dispersion in good condition.