| 摘要 |
PROBLEM TO BE SOLVED: To provide an active energy ray-curable white resin composition which has a high degree of reflection and a high degree of whiteness and excels in light resistance and heat resistance and a printed wiring board having an insulating layer composed of a cured product of the composition.SOLUTION: The active energy ray-curable white resin composition contains a diallyl phthalate prepolymer, a photopolymerizable monomer, a photopolymerization initiator which includes neither a heterocyclic group nor a polycyclic aromatic group, and titanium oxide. |
