| 摘要 |
1,128,388. Antioxidants for rubber. MONSANTO CHEMICALS Ltd. 5 May, 1967 [14 June, 1966], No. 26388/66. Heading C3Q. A pulverulent or pulverizable composition for incorporation in rubber comprises a blend of a liquid or non-pulverizable solid phenolic rubber antioxidant adsorbed on a finelv-divided absorbent solid, and a solid nitrogen-containing rubber antioxidant in finely-divided form. The preferred composition is distyrenated phenol with calcium silicate and 1,2-dihydro- 2,2,4-trimethyl hydroquinoline polymer.
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