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    • 7. 发明授权
    • Method for deicing highways using starch-containing compositions and
starch-containing compositions especially designed for deicing highways
    • 使用含淀粉组合物和特别设计用于除冰公路的含淀粉组合物除冰公路的方法
    • US5849356A
    • 1998-12-15
    • US835750
    • 1997-04-08
    • James GambinoMichel JanssenHans-Jurgen Pierkes
    • James GambinoMichel JanssenHans-Jurgen Pierkes
    • C09K3/18B05D5/10
    • C09K3/185
    • The invention hereof is a new highway deicing additive and a method for deicing asphalt highways. It has been discovered that a small amount of starch added to the salt/water sprayed on highways provides the unexpected property of retaining salt particles in the top portion of the "voids" in the asphalt roads for a period of 2 to 4 hours. The starch can be incorporated into water by mixing; biocides can be added if the starch/water mixture is to be stored more than 2 days. Salt is added to the water/starch mixture prior to deposition on the road. The new treatment works by increasing the viscosity of the aqueous fluid sprayed on the highway to form a water gel structure on the road providing a "platform" for the salt particles in the top portion of the asphalt. The new additive also reduces the need and cost of "follow-up" salt treatments. The additive and method are particularly useful for the new type of asphalt being used on highways in Europe which has a super-porous structure when laid as a road-bed.
    • 本发明是新型高速公路除冰添加剂和沥青路面除冰方法。 已经发现,加入到高速公路上喷洒的盐/水中的少量淀粉在沥青道路上的“空隙”的顶部保留盐颗粒2至4小时的期望的性质。 淀粉可以通过混合掺入水中; 如果淀粉/水混合物要储存超过2天,可以加入杀生物剂。 在道路上沉积之前,将盐加入到水/淀粉混合物中。 新处理通过增加喷洒在高速公路上的水性液体的粘度而在道路上形成水凝胶结构,为沥青顶部的盐颗粒提供“平台”。 新添加剂还减少了“后续”盐处理的需要和成本。 添加剂和方法对于在欧洲公路上使用的新型沥青特别有用,当铺设作为路床时,其具有超多孔结构。