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    • 1. 发明申请
    • BITUMINOUS MIXTURES WITH A HIGH POLYMER CONTENT
    • 具有高聚合物含量的BITUMINOUS混合物
    • WO2010052567A1
    • 2010-05-14
    • PCT/IB2009/007390
    • 2009-11-05
    • ENI S.P.A.ITALIA, PaoloD'ELIA, Luigi
    • ITALIA, PaoloD'ELIA, Luigi
    • C08L95/00C08J3/22
    • C08J3/226C08J2391/06C08J2495/00C08L95/00C08L2555/72C08L2555/84C08L2666/02C08L91/06C08L53/02
    • The invention relates to a process for the preparation of mixtures containing bitumen and thermoplastic polymer at a high concentration, stable during storage, with particular characteristics of easy processability and movability which, once diluted, allow modified bitumens to be obtained with high performance characteristics. In particular, the process allows mixtures containing bitumen, thermoplastic polymer and wax, to be prepared, wherein the polymer is in a quantity varying from 5 to 30% by weight with respect to the weight of the mixture consisting of bitumen and polymer, and the wax is in a quantity varying from 4.7 to 16.7% by weight with respect to the weight of the total mixture, and comprises reacting a concentrated mixture (A), stable during storage, containing bitumen and from 5 to 30% by weight of thermoplastic polymer, with a hydrocarbon wax containing at least 40 carbon atoms and having a melting point of at least 700C, in a weight ratio between the mixture (A) and wax ranging from 100:5 to 100:20, at a temperature ranging from 160 to 2000C and for a time ranging from 15 minutes to 7 hours, preferably from 15 to 120 minutes. An object of the invention also relates to new mixtures containing bitumen and thermoplastic polymer at a high concentration and mixtures obtainable from these by dilution.
    • 本发明涉及一种制备含有高浓度沥青和热塑性聚合物的混合物的方法,其在储存期间是稳定的,具有容易加工性和可移动性的特定特性,其一旦稀释,就可以获得具有高性能特征的改性沥青。 特别地,该方法允许制备含有沥青,热塑性聚合物和蜡的混合物,其中相对于由沥青和聚合物组成的混合物的重量,聚合物的量为5至30重量%,并且 相对于总混合物的重量,蜡的量为4.7至16.7重量%,并且包括在储存期间稳定的含有沥青的浓缩混合物(A)和5至30重量%的热塑性聚合物 ,含有至少40个碳原子并且熔点至少为700℃的烃蜡,混合物(A)和蜡的重量比为100:5至100:20,温度范围为160至 并且持续15分钟至7小时,优选15至120分钟的时间。 本发明的目的还涉及含有高浓度的沥青和热塑性聚合物的新混合物以及通过稀释从这些混合物获得的混合物。
    • 2. 发明申请
    • ASPHALT PELLETS
    • WO2012167152A1
    • 2012-12-06
    • PCT/US2012/040554
    • 2012-06-01
    • BILLIAN I.P. LIMITEDBAILEY, William, R.
    • BAILEY, William, R.
    • C08L95/00
    • C08L95/00C08L2555/34C08L2555/60C08L2555/72C08L2555/80C08L2555/86C09D195/00Y02A30/333C08L2666/08
    • Storage stable asphalt paving pellets that contain recycled asphalt shingle material and, optionally, RAP fines, ground tire rubber, and the like. Methods for making and utilizing the storage stable asphalt paving pellets are also disclosed. A typical pellet includes a core and an outer shell. The core may include recycled asphalt shingle material and an asphalt binder material (e.g., bitumen). The outer shell, which may include a number of different materials such as, but not limited to, mineral fines, ground plastic fines, clays, and the like, is configured to prevent the asphalt pellets from sticking to each other or to adjacent surfaces during storage. The storage stable asphalt paving pellets can be manufactured at a central facility and then stored at a job site, a warehouse, or the like until they are needed for the preparation of asphalt paving material.
    • 储存稳定的沥青铺路料,其含有再循环的沥青混合料和任选的RAP细粉,磨碎的轮胎橡胶等。 还公开了制备和利用储存稳定沥青铺路料的方法。 典型的颗粒包括芯和外壳。 核心可以包括再循环沥青瓦板材料和沥青粘合剂材料(例如沥青)。 外壳可以包括许多不同的材料,例如但不限于矿物细粉,地面塑料细粉,粘土等,以防止沥青颗粒彼此粘附或相邻的表面 存储。 储存稳定的沥青摊铺颗粒可以在中央设施制造,然后储存在作业现场,仓库等,直到它们用于制备沥青铺路材料为止。