abstract |
DICARBOXYLIC ACID ANHYDRIDES SUCH AS MALEIC ANHYDRIDE ARE PROVIDED WITH IMPROVED COLOR STABILITY BY A TREATING AGENT REPRESENTED BY THE STRUCTURE RM-Z-XN WHERE R IS ALKYL OF FROM 1 TO 8 CARBON ATOMS OR PHENYL, Z IS SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, GERMANIUM, LEAD MERCURY, PHOSPHORUS, SELENIUM, SILICON, TIN, TITANIUM AND ZIRCONIUM, X IS A HALOGEN, M IS AN INTEGER OF FROM 1 TO 4 AND N IS AN INTEGER OF FROM 1 TO 3. |