反应详情

A protective layer coating solution was prepared by mixing 3 parts by mass of pentaerythritol hexaacrylate (KAYARAD DPHA, produced by Nippon Kayaku Co., Ltd.), 3 parts by mass of an urethane acrylate oligomer (ART RESIN UN-3320HA, produced by Negami Chemical Industrial Co., Ltd.), 3 parts by mass of an acrylic acid ester of dipentaerythritol caprolactone (KAYARAD DPCA-120, produced by Nippon Kayaku Co., Ltd.), 1 part by mass of a silica (P-526, produced by Mizusawa Industrial Chemicals, Ltd.), 0.5 parts by mass of a photopolymerization initiator (IRGACURE 184, produced by Nihon Ciba-Geigy K.K.), and 11 parts by mass of isopropyl alcohol, and sufficiently agitating and dispersing the mixture with the use of a ball mill, such that the average particle diameter became approximately 3 μm.

1. customA protective layer coating solution was prepared