| 摘要 |
PURPOSE:To provide a manufacture of colored intermediate films for glass having excellent transparency and no pigment spots. CONSTITUTION:Pigment ink is added to molten thermoplastic resin and by the use of a blending apparatus 1 including a dispersing treatment part 2 and a mixing treatment part 3, and then the dispersing treatment and mixing treatment of pigment ink are effected under specific conditions, next, it is extrusion- molded into sheet. By this way, a colored intermediate film can be manufactured readily stably that is excellent in its transparency and has no pigment spots. |
