08.12.22
US Patent No. 11,406,585 B2 (Erika Saito, Yugo Shirakawa); Threebond Co., Ltd., Tokyo, has patented a photocurable resin composition for a nail or an artificial nail, that is comprised of
component A, a compound having a (meth)acryloyl group; component B, a photoinitiator; and component C, (meth)acrylic polymer particles having an average particle size of 3 to 21 μm.
Component B is contained in an amount of 8 to 25 parts by mass with respect to 100 parts by mass of the component (A), and component C is contained in an amount of 45 to 155 parts by mass with respect to 100 parts by mass of component A and wherein component B comprises a visible light type photoinitiator and a non-visible light type photoinitiator, and the visible light type photoinitiator is contained in an amount of 70% by mass or less with respect to the total amount of component B.
component A, a compound having a (meth)acryloyl group; component B, a photoinitiator; and component C, (meth)acrylic polymer particles having an average particle size of 3 to 21 μm.
Component B is contained in an amount of 8 to 25 parts by mass with respect to 100 parts by mass of the component (A), and component C is contained in an amount of 45 to 155 parts by mass with respect to 100 parts by mass of component A and wherein component B comprises a visible light type photoinitiator and a non-visible light type photoinitiator, and the visible light type photoinitiator is contained in an amount of 70% by mass or less with respect to the total amount of component B.