CROSS-LINKERS FOR CROSS-LINKABLE OPTICAL POLYCARBONATES

摘要

The invention pertains to a cross-linker of formula (I) where n is 0 or 1; m is 0 or 1, R is (a) or (b), and R1 is independently OH or -CO-O(hydroxyphenyl), with the proviso that 3,4-dihydroxyphenylmaleimide is excluded. The invention further pertains to cross-linked optical polycarbonate and optical articles obtainable by cross-linking a polycarbonate with this cross-linker or with 3,4-dihydroxyphenylmaleimide.