Clear synthetic binder

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 91/00 (2006.01) C08L 23/08 (2006.01) C08L 25/10 (2006.01) C08L 31/04 (2006.01) C08L 45/00 (2006.01) C08L 47/00 (2006.01) E01C 7/24 (2006.01)

Patent

CA 2742323

The invention relates to a clear synthetic binder comprising at least one oil of plant origin, at least one resin of petroleum origin and at least one polymer, the amount of oil of plant origin in the binder is greater than or equal to 10% by weight and the amount of polymer in the binder is less than or equal to 15% by weight. The clear synthetic binder according to the invention has a good consistency, a reduced viscosity, and suitable behaviour at low temperature and elastic properties. The invention also relates to a bituminous mix prepared from said clear synthetic binder, this bituminous mix is prepared at temperatures between 100°C and 160°C, preferably between 120°C and 140°C and has suitable rutting resistance and water resistance.

L'invention concerne un liant synthétique clair comprenant au moins une huile d'origine végétale, au moins une résine d'origine pétrolière et au moins un polymère, la quantité d'huile d'origine végétale dans le liant est supérieure ou égale à 10% en masse et la quantité de polymère dans le liant est inférieure ou égale à 15% en masse. Le liant synthétique clair selon l'invention, présente une bonne consistance, une viscosité réduite, un comportement à froid et des propriétés élastiques convenables. L'invention concerne aussi, un enrobé préparé à partir dudit liant synthétique clair, cet enrobé est préparé à des températures comprises entre 1000C et 160°C, de préférence entre 120°C et 140°C et présente une résistance à l'orniérage et à l'eau convenable.

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