C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 95/00 (2006.01) C09D 195/00 (2006.01)
Patent
CA 2606755
In a first aspect, bituminous asphalt binder materials which are modified by the additio of crumb rubber or ground tire rubber are described. In a second aspect, the present invention directed to methods of producing a modified asphalt binder containing crumb rubber or groun tire rubber. The modified asphalt binders comprise neat asphalt, crumb rubber, one or more synthetic polymers, and one or more acids. The crumb rubber may be obtained from recycled truck and/or automobile tires.
Selon un premier aspect, des matériaux liants pour asphalte bitumeux sont modifiés par l'addition de granulés de caoutchouc ou de caoutchouc de pneumatique. Selon un second aspect, l'invention concerne des procédés de production d'un liant pour asphalte modifié contenant un granulé de caoutchouc ou du caoutchouc de pneumatique. Les liants d'asphalte modifiés comprennent de l'asphalte pur, du caoutchouc granulé, un ou plusieurs polymères synthétiques et un ou plusieurs acides. Le granulé de caoutchouc peut être obtenu à partir de pneumatiques recyclés de camions et/ou d'automobiles.
Innophos Inc.
Ridout & Maybee Llp
LandOfFree
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