| 摘要 |
1. The rubber-cork mixture, especially for sealing motor vehicle engines, based on acrylonitrile rubber, containing vulcanization process activating agents, anti-aging agents, a filler in the form of carbon black obtained by the forced-furnace method and ground cork in relation 1:2 by weight, as well as a crosslinking system consisting of tetramethylthiocarbamyl disulphide, dibenzothiazole disulphide and 4,4'dithiomorpholine in relation 1:1:1-1.5 by weight, in accordance with patent No. 131368, consisting in that as a filler it contains a mixture of forced-furnace carbon black, ground cork and rubber-cork powder in relation 1:2:0.6 by weight, and as vulcanization activators it contains stearic acid, zinc oxide and N-1,3-dimethylobutylo-N'-phenylo-p-phenylenodiamine and (Santoflex 13) in relation 1:3:2.5 by weight.
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