Method of manufacture of rubber-bitumen compositions

Details Method of manufacture of rubber-bitumen compositions Method of manufacture of rubber-bitumen compositions

C - Chemistry, Metallurgy

08

L

400/1609, 400/91

C08L 95/00 (2006.01) C08L 53/02 (2006.01) C10C 3/02 (2006.01)

Patent

CA 1341312

Après avoir incorporé un polymère caoutchouteux dans du bitume, on introduit dans le mélange un composé alcalin soluble dans le bitume et de 0,01 à 0,1% en poids d'un mélange d'agents de vulcanisation comprenant du soufre élémentaire et un dérivé sulfuré (voir Formule I) où R1 et R2 sont des radicaux alkyles en C1 à C4 ou ensemble - CH2 - CH2 - O - CH2 - CH2 - et où M, facultatif, est Zn, Ba ou Cu.

602284

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