公开(公告)号：US06713539B2

公开(公告)日：2004-03-30

申请号：US09931846

申请日：2001-08-17

申请人： Shuhua Guo ,  Weiqi Huang ,  Jun Long ,  Baichun Zhang ,  Zijun Wang ,  Yucheng She

发明人： Shuhua Guo ,  Weiqi Huang ,  Jun Long ,  Baichun Zhang ,  Zijun Wang ,  Yucheng She

IPC分类号： C08L9500

CPC分类号： C08L95/00 ,  C08L2666/04 ,  C08L53/00 ,  C08L2666/68

摘要： A storage-stable modified asphalt composition, which comprises: 50-97.7 parts by weight of a base asphalt, 2.0-20.0 parts by weight of a polymer having double bonds, 0.1-20.0 parts by weight of a compatibilizer, 0.1-10.0 parts by weight of a cross-linking reagent, and 0.1-10.0 parts by weight of a organic polar compound, and the softening point difference of its product determined by the stability test is lower than 2.5° C. The process for preparing said modified asphalt composition is mixing 50-97.7 parts by weight of a base asphalt, 2.0-20.0 parts by weight of a polymer having double bonds, 0.1-20.0 parts by weight of a compatibilizer 0.1-10.0 parts by weight of a cross-linking reagent, and 0.1-10.0 parts by weight of a organic polar compound under certain conditions. The modified asphalt provided by the present invention has good storage-stability. The preparation process provided by the present invention is simple, and there is no need for special apparatus.

摘要翻译： 一种储存稳定的改性沥青组合物，其包含：50-97.7重量份的基础沥青，2.0-20.0重量份的具有双键的聚合物，0.1-20.0重量份增容剂，0.1-10.0重量份 交联剂的重量和0.1-10.0重量份的有机极性化合物，并且通过稳定性试验测定的其产物的软化点差低于2.5℃。制备所述改性沥青组合物的方法是 混合50-97.7重量份的基础沥青，2.0-20.0重量份的具有双键的聚合物，0.1-20.0重量份增容剂0.1-10.0重量份的交联剂和0.1- 10.0份（重量）有机极性化合物。 由本发明提供的改性沥青具有良好的储存稳定性。 本发明提供的制备方法简单，不需要特殊的装置。