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首页> 外文期刊>International Journal of Adhesion & Adhesives >Effect of material composition on nano-adhesive characteristics of styrene-butadiene-styrene copolymer-modified bitumen using atomic force microscope technology
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Effect of material composition on nano-adhesive characteristics of styrene-butadiene-styrene copolymer-modified bitumen using atomic force microscope technology

机译:材料组合物对苯乙烯 - 丁二烯 - 苯乙烯共聚物改性沥青的纳米粘合特性,原子力显微镜技术

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摘要

To investigate the effect of the raw material composition on the nano-adhesive characteristics of styrene-butadiene-styrene (SBS) copolymer-modified bitumen, force-distance curves were obtained to examine the nano adhesive forces of SBS-modified bitumen samples prepared using different virgin bitumen types, SBS modifiers, an extraction oil, and a stabilizer using atomic force microscopy (AFM). The influence of the composition of the raw materials, such as the virgin bitumen, SBS modifier, extracting oil, and stabilizing agent contents, on the cohesive characteristics were discussed for SBS-modified bitumen. The results show that force-distance curves obtained using AFM can be used to gain insight into nano-adhesive forces of SBS-modified bitumen samples. The force-spectrum technique using AFM can be used to obtain the nano-adhesive forces of the SBS-modified bitumen samples. Neat bitumen has good compatibility with a SBS modifier, which is suitable for forming SBS-modified bitumen with an increased nano-adhesive force. The nano-adhesive force of the branched-shaped SBS-modified bitumen was larger than that of linear-shaped SBS-modified bitumen. The nano-adhesive force of SBS-modified bitumen increased as the SBS modifier and stabilizer contents increased. The nano-adhesive force of the SBS-modified bitumen decreased when the extraction oil content increased.
机译:为了研究原料组合物对苯乙烯 - 丁二烯 - 苯乙烯(SBS)共聚物改性沥青的纳米粘合特性的影响,获得了力距离曲线以检查使用不同的SBS改性沥青样品的纳米粘合力使用原子力显微镜(AFM)的维珍沥青类型,SBS改性剂,提取油和稳定剂。对于SBS改性的沥青,讨论了原料组合物,例如原料沥青,SBS改性剂,提取油和稳定剂含量的影响。结果表明,使用AFM获得的力距离曲线可用于深入了解SBS改性沥青样品的纳米粘合力。使用AFM的力谱技术可用于获得SBS改性沥青样品的纳米粘合力。整洁的沥青与SBS改性剂具有良好的相容性,其适用于形成具有增加的纳米粘合力的SBS改性沥青。支链形SBS改性沥青的纳米粘合力大于线性形状SBS改性沥青的纳米粘合力。随着SBS改性剂和稳定剂含量增加,SBS改性沥青的纳米粘合力增加。当提取油含量增加时,SBS改性沥青的纳米粘合力降低。

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