C.I. PIGMENT YELLOW 155 AND PROCESS FOR PREPARING THE SAME, PIGMENT COMPOSITION AND COLORANT COMPOSITION CONTAINING THE PIGMENT, AND USE THEREOF AS COLORANT

摘要

Problem to be Solved: It is intended to provide an azo pigment C.I. Pigment Yellow 155 that is excellent in image fixability, etc., because of high affinity toward binder resins and permits easy handling of pigment dispersions in organic solvents, and a process for preparing the same. Solution: The present invention provides C.I. Pigment Yellow 155 having a methanol wettability (MW value) of the pigment powder of 10% to 2%, each inclusive.