Development of novel composite rejuvenators for efficient recycling of aged SBS modified bitumen

•Isocyanate terminated long chain active rejuvenators (ITLCARs) were prepared;•Novel composite rejuvenators (NCRs) were developed;•The molecular structures of aged SBS could be effectively restored by ITLCARs.•The properties of aged SBS modified bitumen could be recovered by NCRs. Efficient recyclin...

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Veröffentlicht in:	Fuel (Guildford) 2022-06, Vol.318, p.123715, Article 123715
Hauptverfasser:	Han, Xiaobin, Mao, Sanpeng, Xu, Shi, Cao, Zhilong, Zeng, Shangheng, Yu, Jianying
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged SBS modified bitumen Aromatic hydrocarbons Bitumens Chemical synthesis Creep (materials) Efficient recycling Hexamethylene diisocyanate High temperature Isocyanates Liquid chromatography Low temperature Molecular weight Molecular weight distribution Novel composite rejuvenators Pavement materials Physical properties Physical-rheological properties Polybutadiene Recycling Rheological properties Stiffness
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