橡胶技术网

橡胶工业
CHINA RUBBER INDUSTRY
2005 Vol.52 No.5 P.283-287

橡胶技术网

胶粉改性沥青的性能研究

Study on modification of asphalt with rubber crumb

李雪  廖明义 

摘 要:研究胶粉改性沥青(CRMA)的性能,尤其是CRMA的长期稳定性和循环稳定性,并分析制备工艺、胶粉品种、胶粉粒径以及混合时间对CRMA稳定性和常规性能的影响.结果表明,采用试验工艺制备的CRMA具有良好的稳定性,离析温度均低于2 ℃;CRMA常规性能受制备工艺、胶粉种类和混合时间等因素影响显著,但对胶粉粒径的依赖性不大;最佳混合时间一般约为4 h.
关键词:胶粉;沥青;改性;稳定性;常规性能
分类号:TE626.8+.6;X783.3 文献标识码:B

文章编号:1000-890X(2005)05-0283-05

作者简介:李雪(1978-),女,辽宁盘锦人,北京化工研究院助理工程师,硕士,主要从事高分子材料的评价研究工作.
作者单位:李雪(大连理工大学,化工学院,辽宁,大连,116012) 
     廖明义(大连理工大学,化工学院,辽宁,大连,116012) 

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收稿日期:2004年11月19日

出版日期:2005年5月25日

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