杜仲胶与沥青共混性能试验

Jiefangjun Ligong Daxue Xuebao/Journal of PLA University of Science and Technology (Natural Science Edition)(2007)

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Abstract
目前国内外沥青改性剂大多为石油副产品,造价高且不可再生,无法满足日益增长的公路建设需求,有必要找到天然可再生且性能良好、价格适宜的新型改性剂.在介绍杜仲胶硫化过程及硫化杜仲胶物理力学性能、良好的工程特性和工程应用前景的基础上,提出了将天然橡胶--杜仲胶作为改性剂与沥青共混后用作公路路面材料的新途径.进行了红外光谱和扫描电镜分析和沥青基本指标试验.试验结果表明,杜仲胶可以改善沥青低温性能,能明显改善沥青高温性能,验证了杜仲胶可用于沥青改性的可行性.
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Key words
Asphalt modifying,Blending,Eucommia ulmoides gum,Vulcanizing
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