abstract |
ESTERS OF (3,5 - DIHYDROCARBYL-4-HYDROXYBENZYL)THIODICARBOXYLIC ACIDS ARE EFFECTIVE STABILIZERS FOR ORGANIC MATERIAL. FOR EXAMPLE, DILAURYL((3,5 - DI-TERT-BUTYL-4-HYDROXYBENZYL)THIO)SUCCINATE PROLONGS THE LIFE OF POLYPROPYLENE. EFFECTIVENESS IS SYNERGISTICALLY INCREASED BY INCLUSION OF AN ESTER OF A THIODIALKANOIC ACID SUCH AS DILAURYLTHIODIPROPIONATE. |