polymer modified bitumen membrane 聚合物改性沥青防水卷材
polymer-modified bitumen 聚合物改性沥青
high performance polymer modified bitumen 高性能聚合物改性沥青
polymer modified bitumen waterproofing membrane 聚合物改性沥青防水卷材
In the recent 20 years, there are many studies on the polymer modified bitumen, such as SBS and SBR in the country, but the study on the modified agent is almost a blank.
近二十年来，国内关于SBS、SBR等聚合物改性沥青的研究较多，但关于外掺剂沥青和特制沥青的研究几乎为空白。
For modified bitumen of polymer, mechanism is a problem that should be studied firstly.
聚合物改性沥青的改性机理是本文主要研究的目的。
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