abstract |
Compounds Of The Formula wherein R ', R 2 , R 3 , X, Y, Z, m and n have the meaning given in the claims are suitable as copolymerizable UV stabilizers for polymers obtainable from ethylenically unsaturated monomers. The compounds of the formula I are readily accessible and are particularly valuable as UV absorbers because of their good solubility in the copolymerizable monomer. |