GRANULATED MATERIAL OF NAPHTHOL DERIVATIVE AND ITS MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a granulated material of a naphthol derivative having remarkably restrained flying. SOLUTION: The granulated material of a naphthol derivative characterized by having 150μm or more of average particle diameter and 70 g-3,000 g of hardness and the manufacturing method of the granulated material characterized by dry compressing a powder of the naphthol derivative to obtain a molded material, grinding the molded material and classifying the ground material are provided.