道桥用耐高温改性沥青防水卷材的制备及性能研究.pdf

学兔兔 2016年第4期 中国建筑防水 2月下 China Building Waterproofing 5 DOI：10．15901~．cnki．1007—497x．2016．04．002 道桥用耐高温改性沥青防水卷材的 制备及性能研究 李军伟，蹇 磊 (潍坊市宏源防水材料有限公司，山东 潍坊 262735) 摘要：以优质9 重交道路石油沥青为基质沥青、APAO及APP为改性剂，添加适量增塑剂及填料制成改性料并涂覆于 长纤聚酯毡表面，制备了一种道桥用耐高温改性沥青防水卷材，并利用正交试验对原材料配比进行了优化。结果表明： 基质沥青添加量为50％、增塑荆加入量为2％、APAO加入量为16％、APP加入量为4％时制得的防水卷材物理力学性能 最优，且各项指标满足JC厂r 974—2005的要求。 关键词：道桥用防水卷材；耐高温性能；APAO改性剂；APP改性剂；正交试验 文章编号：1007—497X(2016)一04—0005—04 中图分类号：TU502；TU57+3 文献标志码：A Study on Preparation and Performance of Thermostability Modified Asphalt Waterproofing Membrane for Road and Bridge Li Junwei．Jian Lei (Weifang Hongyuan Waterproof Materials Co．，Ltd．，Weifang，Shandong 262735，China) Abstract：Modified material was prepared by 90 heavy road asphalt as matrix asphalt，APAO and APP as modifiers，and adding moderate plasticizer and filler．A thermostability modified asphalt waterproofing membrane for road and bridge was produced by coating the modified material on the surface of long fiber polyester felt．The ratio of raw materials was optimized by orthogonal experiment．The resuhs showed that the membrane possessed the best physical and mechanical properties when the content of matrix asphalt was 50％．APAO was 16％ and APP was 4％．and the indicators met the requirements of standard JC厂I’974—2005． Key words：waterproofing membrane for road and bridge；thermostability；APAO modifier；APP modifier；orthogonal expenment 随着我国经济的快速发展，高速公路、道路和桥 要的[21。SBS改性沥青防水卷材以其优异的低温及防 梁的建设数量有了较快增长。然而，诸多道路和桥梁 水性能在道