20120302672 | SYNTHETIC BINDER ESSENTIALLY MADE OF MATERIALS FROM RENEWABLE RESOURCES, IN PARTICULAR OF VEGETABLE ORIGIN, AND APPLICATIONS THEREOF IN ROAD ENGINEERING - The invention relates to a synthetic binder characterized in that said binder includes: from 20 wt % to 100 wt % of at least one polyester based essentially on material from renewable resources, in particular of vegetable origin, having: a hydroxyl number below 100 mg KOH/g, an acid number below 25 mg KOH/g, an iodine number below 100 g I | 11-29-2012 |