Process for joining solid-state compositions

Details Process for joining solid-state compositions Process for joining solid-state compositions

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) C04B 26/26 (2006.01) C09J 195/00 (2006.01)

Patent

CA 2437617

The invention provides a process for joining solid-state compositions comprising adhering two or more solid-state composition together with an asphaltenes-containing adhesive which comprises in the range of from 100 to 10% by weight of an asphaltenes-containing binder having a penetration of less than 15 dmm and in the range of from 0 to 90% by weight of solid particles, based on total weight of asphaltenes-containing adhesive, with the proviso that the solid particles are not solely petroleum coke particles; an asphaltenes-containing adhesive; a process for re-cycling solid-state compositions and a process of crack-repair.

L'invention concerne un procédé permettant d'assembler des compositions à l'état solide, ce procédé consistant à coller deux ou plusieurs compositions à l'état solide avec un adhésif contenant de l'asphaltène qui comprend entre 100 et 10 % en poids d'un liant contenant de l'asphaltène ayant une pénétration inférieure à 15 dmm et entre 0 et 90 % en poids de particules solides, par rapport au poids total de l'adhésif contenant de l'asphaltène, à la condition que les particules solides ne soient pas uniquement des particules de coke de pétrole. L'invention concerne également un adhésif contenant de l'asphaltène ; un procédé permettant de recycler des compositions à l'état solide et un procédé de réparation des fissures.

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