| abstract |
Disclosed is a curable silicone composition useful as a material for an optical lens for a mobile phone with a camera, which is excellent in heat distortion resistance and heat discoloration and has sufficient optical properties and physical properties as a lens material. An addition reaction product of (A) (a) a specific di (hydrosilyl) benzene compound and (b) a polycyclic hydrocarbon having a carbon-carbon double bond, the addition reactive carbon -An addition reaction product having at least two carbon double bonds, (B) an organosilicon compound having three or more hydrosilyl groups, and (C) a hydrosilylation reaction catalyst, the cured product has a refractive index of 1.50 or more, A curable silicone composition for optical lenses having an Abbe number of 40 or more and a glass transition temperature of 70 ° C. or more. [Selection figure] None |