中国塑料2025，Vol.39Issue(1)：13-18,6.DOI:10.19491/j.issn.1001-9278.2025.01.003
脱硫胶粉/SBS改性沥青性能及机理研究
Performance and mechanism of desulfurization crumb rubber/SBS-modified asphalt
摘要
Abstract
Aiming to address the phenomenon of high prices of commonly used styrene-butadiene-styrene(SBS)-modified asphalt at present,this work focuses on a reduction in the engineering cost of SBS-modified asphalt.The basic perfor-mance,storage stability,anti-aging performance of the desulfurization crumb rubber(DCR)/SBS-modified asphalt was studied with the purpose of improving the asphalt performance and enhancing the effective recycling of waste crumb rub-ber.Scanning electron microscopy and the Fourier-transform infrared spectroscopy were conducted to analyze and evalu-ate the morphological characteristics and chemical properties of the modified asphalt.The results indicated that the addi-tion of SBS and desulfurized crumb rubber improved the high-and low-temperature performance,storage stability,and anti-aging performance of the modified.The desulfurized crumb rubber and SBS as modifiers were uniformly dispersed in the asphalt matrix and crosslinked with each other.The interface at the desulfurized crumb rubber-SBS-asphalt three phases was fuzzy.Desulfurized crumb rubber and SBS were coexisting in asphalt through the physical modification and chemical reaction.This study provides a technical reference for further popularization and application by using waste crumb rubber to partly replace the SBS modifier in the road project.关键词
道路工程/脱硫胶粉/SBS改性沥青/复合改性/流变性能/改性机理Key words
road engineering/desulfurization crumb rubber/SBS modified asphalt/composite modification/rheological properties/modification mechanism分类
化学工程引用本文复制引用
徐强祥,张国平,胡一红,杨法勇,赵琼阳,李志刚..脱硫胶粉/SBS改性沥青性能及机理研究[J].中国塑料,2025,39(1):13-18,6.基金项目
国家自然科学基金(52308466) （52308466）
陕西省交通科技项目(24-19K、24-20K) （24-19K、24-20K）
陕西省科学技术协会青年人才托举计划项目(20240409) （20240409）
