| 摘要 |
A composition comprising at least one curable compound (I) having a refractive index n D 20 of at least 1.60 and obtained from the reaction of A at least one aromatic polyisocyanate, B at least one monofunctional alcohol or amine, C at least one further monofunctional alcohol or amine different from B , D at least one diol or diamine, and E optionally a hydroxyl group containing (meth)acrylate,
the compound (I) comprising at least one curable functional group selected from the group consisting of carbon-carbon double bonds and epoxy groups. |
