abstract |
The present invention provides novel silicon containing polyarylates of Formula I <IMAGE> where R1 to R8 represent hydrogen, alkyl groups containing 1 to 5 methylene group or halogen atoms, R9 and R10 represents alkyl groups containing 1 to 5 carbon atoms or CF3 group and R11 and R12 represent alkyl groups with 1 to 5 carbon atoms or phenyl groups. |