| abstract |
THIS INVENTION REFERS TO A COMPOUND OF FORMULA (I) WHERE R1, R2, R AND R4 ARE PE ALKYL FROM 1 TO 10 HYDROXY CARBONS, X IS - O - O - S - R5 IS PE ALKYLENE FROM 1 TO 10 CARBONS OR ALKENYLENE 2 TO 12 CARBONS, AND IS - C (= O) - O - S (= O) 2 -, R6 IS HYDROGEN OR RENT FROM 1 TO 10 CARBON ATOMS, Z IS (II), R12 IS 2 TO ALKYLENE 5 CARBONS OR ALKENYLENE FROM 2 TO 3 CARBONS AND N IS 1 TO 2 AND IN THIS COMPOUND IT INCLUDES FUNCTIONAL GROUPS OF O - HYDROXYBENZOPHENONE OR HYDRAZIDE. SUCH COMPOUNDS ARE USEFUL AS ULTRAVIOLET ABSORBERS AND THERMAL STABILIZERS FOR PLASTICS. |