| 摘要 |
rubber- processing industry. SUBSTANCE: stabilizer comprises products of reaction of butyl phenols with hexamethylene tetramine at ratios, wt parts 100: (2.0-8.5), polymer 2,2,4-trimehyl-1,2-dihydroquinoline, 30-70; and reaction products, 30- 70. Mixture of butyl phenols comprises, wt %: 2,6-ditert-butyl phenol, 0.5-2.0; 2,4-tert-butyl phenol, 22-75; 2,4,6-tri-tert butyl phenol, 14-61; mono- and di- substituted butyl phenols, 10.5-15.0. EFFECT: protection of rubbers for thermal and ozone aging. 5 ex, 5 tbl
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