COMPOSITION FOR USE IN THE FORMATION OF HARDCOAT LAYER AND OPTICAL LENS

摘要

Disclosed is a composition for use in the formation of a hardcoat layer, which comprises: (A) a composite oxide microparticle having an average particle diameter ranging from 1 to 200 nm, containing titanium and tin and optionally silicon and has a rutile-type crystalline structure; (B) an organic silicon compound represented by the formula: R¹ _aR