C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 95/00 (2006.01) C08L 53/02 (2006.01)
Patent
CA 2483621
A composition for rejuvenating asphalt pavement according to the present invention comprises an asphalt binder, water, a cationic surfactant, a recycling agent, and a cationic, co- agglomerated styrene butadiene rubber latex, which includes sulfur and a vulcanizing agent. The composition is also useful as a scrub seal, fog seal, sand seal as well as for crack filling and the prevention of reflective cracking. The inventive composition may be used in emulsions with different setup times. The invention also includes a method for treatment of aged and cracked asphalt by application of the disclosed compositions.
Composition pour rajeunir un revêtement de sol en asphalte et comprenant un liant pour l'asphalte, de l'eau, un tensioactif cationique, un agent de recyclage, un latex d'élastomère-caoutchouc de butadiène styrène co-aggloméré, cationique, comprenant du soufre et un agent de vulcanisation. La composition est également utile comme joint d'étanchéité, couche d'imperméabilisation et comme scellement au sable pour combler les fissures et prévenir les fissurations réflectives. La composition de l'invention peut être utilisée dans des émulsions avec différents temps de préparation. L'invention porte également sur un procédé de traitement d'un asphalte vieilli et fissuré qui consiste à appliquer les composition précitées.
Smart & Biggar
Takamura Koichi
Western Emulsions Inc.
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