CARBON BLACK FOR COLOR AND METHOD FOR CONTROLLING UNDERTONE THEREOF

摘要

PURPOSE: To provide a carbon black for color capable of controlling its undertone, useful for resins, coatings, etc., containing each specific amount of chromium, etc., and iron element. ;CONSTITUTION: The objective bluish carbon black with (1) a total of chromium, cobalt and nickel contents B and (2) iron element content R ranging from 0.1 to 100ppm, respectively, and the ratio B/R being ≥10. In case the ratio B/R is ≤0.1, reddish carbon black for black color can be obtained.;COPYRIGHT: (C)1994,JPO&Japio