Abstract: Provided are [1] a coating composition containing inorganic oxide particles (A), an epoxy compound (b1) having an organosilane moiety, a polyglycerol polyglycidyl ether (b2) having three or more epoxy groups, and a photocationic polymerization initiator (C), [2] a spectacle lens including a hard coat layer obtainable by curing the coating composition described in [1] above and a substrate, and [3] a method for producing a spectacle lens, including a step of applying the coating composition described in [1] above onto a substrate and a step of curing the applied coating composition by irradiation with light.

Abstract: An iso(thio)cyanate composition for an optical component has excellent storage stability. The iso(thio)cyanate composition includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2). A total amount of the phosphoric acid ester compounds is 1 ppm or greater and less than 25,000 ppm, based on the mass of the iso(thio)cyanate compound. A molar ratio of the phosphoric acid ester compound represented by general formula (1) and the phosphoric acid ester compound represented by general formula (2) is 30/70 to 70/30.

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

Abstract: An iso(thio)cyanate composition for an optical component has excellent storage stability. The iso(thio)cyanate composition includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2). A total amount of the phosphoric acid ester compounds is 1 ppm or greater and less than 25,000 ppm, based on the mass of the iso(thio)cyanate compound. A molar ratio of the phosphoric acid ester compound represented by general formula (1) and the phosphoric acid ester compound represented by general formula (2) is 30/70 to 70/30.

Abstract: An iso(thio)cyanate composition has excellent storage stability. The iso(thio)cyanate composition for an optical component includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2), a total amount of the phosphoric acid ester compounds being 1 ppm to 25,000 ppm, based on the mass of the iso(thio)cyanate compound.

Abstract: Provided are [1] a coating composition containing inorganic oxide particles (A), an epoxy compound (b1) having an organosilane moiety, a polyglycerol polyglycidyl ether (b2) having three or more epoxy groups, and a photocationic polymerization initiator (C), [2] a spectacle lens including a hard coat layer obtainable by curing the coating composition described in [1] above and a substrate, and [3] a method for producing a spectacle lens, including a step of applying the coating composition described in [1] above onto a substrate and a step of curing the applied coating composition by irradiation with light.

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

Abstract: A coating composition capable of forming a hard coat layer having excellent adhesion and scratch resistance; a spectacle lens; and a method for producing a spectacle lens. A coating composition containing hydrophobic inorganic oxide particles; a silane coupling agent; and a cationic photopolymerization initiator. A spectacle lens including a hard coat layer obtained by curing the coating composition; and a substrate and a method for producing a spectacle lens, including a step of applying the coating composition onto a substrate; and a step of curing the applied coating composition by irradiating the coating composition with light.

Abstract: An optical resin composition from which an optical element having high heat resistance can be obtained, an optical element obtained by curing the optical resin composition, and a plastic lens for eyeglasses, where the optical resin composition contains a polyiso(thio)cyanate and a polythiol component, which contains a polythiol compound having a sulfide bond and/or a disulfide bond.

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

Abstract: A plastic optical component with a high cutting ratio of blue light, and a method for producing the plastic optical component. The plastic optical component includes a benzophenone compound represented by formula (1) and an addition polymer obtained by radical polymerization of a monomer. The method for producing the plastic member includes a step of curing a mixture including the monomer, the benzophenone compound represented by formula (1), and a radical initiator.

Abstract: An iso(thio)cyanate composition has excellent storage stability. The iso(thio)cyanate composition for an optical component includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2), a total amount of the phosphoric acid ester compounds being 1 ppm to 25,000 ppm, based on the mass of the iso(thio)cyanate compound.

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).