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Lucolast® 7010AC是由低结晶度的乙烯和丙烯酸丁酯组成的极性共聚物。在沥青中添加Lucolast® 7010AC可提高沥青的粘度范围,扩大其塑性范围。根据添加的Lucolast® 7010AC的比例,Lucolast® 7010AC改性沥青的Fraass断裂点的最小值减小,环和球软化点增加。渗透值相应地下降。然而,根据DIN EN 12591确定的延展性降低了,在低温下确定的所谓延展性值比不添加Lucobit的标准沥青更有利。与其他标准粘合剂Lucolast® 7010AC相比,产品的优点在提高抗变形性方面显示出显著的优势。高温下的车辙形成试验表明,添加Lucolast® 7010AC对沥青进行热塑性改性或改变粘结料粘度时,沥青能承受2~3倍的荷载。这不会损害Lucolast® 7010AC的低温性能,而是改善它。即使是相对少量的基于Lucolast® 7010AC的PMB在沥青混合料中的应用也能提高:抗机械应力,特别是抗变形和磨损稳定性/刚度,并降低热负荷和低负荷时的流动趋势低温柔性老化行为示例应用:S耐磨层到ZTV沥青-STB浇注的沥青,也在斜坡表面(坡道)的石胶泥沥青专用沥青表面,例如多孔沥青薄沥青磨耗层(热铺) Lucolast® 7010AC is a polar copolymer consisting of ethylene and butyl acrylate with low crystallinity. Product properties Addition of Lucolast® 7010AC to bitumen increases the range its viscosity and broadens the range of plasticity. Depending on the proportion of Lucolast® 7010AC that was added the minimum value of the Fraass breaking point of Lucolast® 7010AC modified bitumen decreases and the ring and ball softening point increases. Penetration values decline accordingly. Ductility determined according to DIN EN 12591 decreas-es, however, the values ascertained for the so-called ductility at low temperatures are more favourable than those for standard bitumen with-out addition of Lucobit. Product advantages Compared with other standard binder Lucolast® 7010AC displays significant advantages in improving resistance to deformation. Rut formation test at high temperatures demonstrated that asphalt can bear a two- to three-fold load when modifying it with thermoplastics or altering binder viscosity by adding Lucolast® 7010AC. This does not impair the low-temperature performance of Lucolast® 7010AC, but rather improves it. Applications Even relatively small amounts of PmB based on Lucolast® 7010AC in asphalt mixtures improve: resistance to mechanical stress, in particular deformation and wear stability/rigidity and reduce the tendency to flow‚ when hot and under load low temperature flexibility ageing behaviour Examples for application: s-wearing courses to ZTV-Asphalt - StB poured asphalt, also on sloping surfaces (ramps) stone mastic asphalt special asphalt surfaces, e.g. porous asphalt thin bituminous wearing courses (hot laying) |
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1 一般属性:这些不能被视为规格。 |
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