| 摘要 |
PURPOSE:To improve the fixability, by dispersing a substance incompatible with a wall forming substance in each capsule wall in the form of a matrix. CONSTITUTION:Powder of a substance incompatible with a wall forming substance, e.g., SiO2, TiO2, ZnO2, an inorg. pigment such as carbon black, polystyrene powder, fluororesin powder or an org. pigment is dispersed in each capsule wall in the form of a matrix by 50-100%, preferably 20-30% of the amount of the wall forming substance. |
