| abstract |
The present invention is a curable composition, a method for producing the same, a cured product obtained by curing the curable composition, a method for using the curable composition as an adhesive for optical element fixing materials or a sealing material for optical element fixing materials, and an optical device, wherein the curable composition contains the following components (a) to (C), and is characterized in that the curable composition contains, in terms of the mass ratio of the component (a) to the component (B), the following components (a): (B) composition (I)]100: 0.3-100: 50 contains a component (A) and a component (B), wherein the component (A): having a structure represented by formula (a-1): r 1 SiO 3 / 2 A curable polysilsesquioxane compound having a repeating unit represented by the formula (I), wherein R is 1 An alkyl group having 1 to 10 carbon atoms, which may or may not have a substituent, or an aryl group having a substituent or may not have a substituent; (B) the components: fine particles having an average primary particle diameter of 5 to 40 nm; (C) the components: a silane coupling agent having a sulfur atom in the molecule. According to the present invention, there is provided: gives a cured product having excellent adhesiveness, peeling resistance, and heat resistance, and has excellent workability in a coating stepThe curable composition of (1) and a process for producing the same, a cured product obtained by curing the curable composition, a process for using the curable composition as an adhesive for optical device-fixing materials or a sealing material for optical device-fixing materials, and an optical device. |