abstract |
Decahydro-3,3,8,8-tetramethoxy-2,7-epithio-1,4-ethanonaphthalene-5,9-dione, decahydro-3,3,8,8-tetraethoxy-2,7-epithio-1,4-ethanonaphthalene-5,9-dione, decahydro-dispiro[1,3-dioxolane-2,3'-(2',7'-epithio-1',4'-ethanonaphthalene)-8',2"-[1,3]dioxolane]-5',9'-dione have been found to be effective as secondary antioxidants for polyolefins. |