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1、动态硫化法降低丁苯橡胶改性煤沥青苯并芘含量的研究,上海应用技术学院材料学院李祥勇,Contents,煤沥青简介,项目研究意义,实验操作流程,结果分析及展望,4,1,2,3,煤沥青组成,芳香族化合物等小分子物质,甲苯可溶物,甲苯不溶但喹啉可溶,甲苯不溶物,喹啉不溶物,煤沥青是5000多种三环以上多环芳香族化合物和少量与炭黑相似的高分子物质构成的多项体系和高碳物料。常用正己烷、甲苯和喹啉溶剂对煤沥青进行分级,200以下,2001000,10001800,12001800,18002600,相对分子量,改性煤沥青在工业生产中的应用,由环氧树脂煤焦油沥青填料制成的防腐涂料在钢管表面上用玻璃布作为加强涂
2、敷形成防腐层，常用于管道外壁防腐.,环氧煤沥青防腐钢管,由燃料系或合成系沥青原料为前驱体,经调制、成纤、炭化处理而制成的纤维状炭材料.,碳纤维,以改质中间相煤沥青作为粘合剂将氧化镁粉与石墨粘结压制而成.,镁碳砖结合剂,采用石油焦为骨料，煤沥青为粘结剂，经过破碎、配料、混捏、成型、焙烧、浸渍、石墨化、机械加工等一系列工艺生产的一种耐高温抗氧化的导电材料,石墨电极,项目研究意义,煤沥青作为传统工业原料，对其进行改性有何价值？,煤沥青是煤炭多次分馏的残渣，以其低廉的价格和较高的残炭率，是制取各种碳素材料不可替代的原料，但因其含有多种稠环芳烃导致加工过程中释放有毒成分，导致多种疾病甚至致癌，与目前的绿
3、色化学理念相违背，因此对其进行改性研究是必要的。,分子式:C20H12分子量:252.32，熔点179，沸点312,苯并芘的理化特性,可诱发皮肤、肺和消化道癌症，是环境污染主要监测项目之一,常温下为浅黄色晶状固体难溶于水，微溶于乙醇等有机溶剂,碱性情况下稳定，遇酸易起化学变化,苯并芘简介,苯并芘,研究现状,辐射法降解,生物降解,Fenton试剂氧化降解,目前所报道的降解煤焦油沥青中的BAP含量的方法有许多，但在降解的同时又能保证其有较好的理化特性的方法几乎没有。,苯并芘的去除,实验操作流程,2005,2006,2007,2008,在对煤沥青进行改性前首先用高剪切搅拌器在180条件下以4000r
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