CARBON BLACK AND BLACK PHOTOPOLYMERIZABLE COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide new carbon black particularly having high blackness and high dispersibility, and to obtain a black photopolymerizable composition by compounding the same. SOLUTION: This new carbon black has a DBP absorption of 40-55 cm<3> /100 g and ash content of <0.5 wt.%. The other objective black photopolymerizable composition is obtained by including at least photopolymerization initiator and a photopolymerizable monomer and compounding the above carbon black.