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1、动态硫化法降低丁苯动态硫化法降低丁苯橡胶改性煤沥青苯并橡胶改性煤沥青苯并芘含量的研究芘含量的研究上海应用技术学院材料学院李祥勇Contents煤沥青简介煤沥青简介项目研究意义项目研究意义实验操作流程实验操作流程结果分析及展望结果分析及展望4123煤沥青组成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树脂（QI）TI树脂树脂煤沥青是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以下以下2001000100018001200180018002600相对分子量相对分子量小
2、分子改性煤沥青在工业生产中的应用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敷形成防腐层，常用于管道表面上用玻璃布作为加强涂敷形成防腐层，常用于管道外壁防腐外壁防腐.环氧煤环氧煤沥青防沥青防腐钢管腐钢管由燃料系或合成系沥青原料为前驱体由燃料系或合成系沥青原料为前驱体,经调制、成纤、炭经调制、成纤、炭化处理而制成的纤维状炭材料化处理而制成的纤维状炭材料.碳纤维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压制而成.镁碳砖镁碳砖结合剂结合剂
3、采用石油焦为骨料，煤沥青为粘结剂，经过破碎、配料、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工艺生产的一种耐高温抗氧化的导电材料石墨电石墨电极极项目研究意义项目研究意义煤沥青作为传统工业原料，对其进行煤沥青作为传统工业原料，对其进行改性有何价值？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，与目前的绿色化学理念相违背，因此对其
4、进行改性研究是必要的。 分子式分子式: C20H12分子量分子量:252.32，熔点熔点179，沸，沸点点312苯并芘的理化特性苯并芘的理化特性可诱发皮肤、肺可诱发皮肤、肺和消化道癌症，和消化道癌症，是环境污染主要是环境污染主要监测项目之一监测项目之一常温下为浅黄色常温下为浅黄色晶状固体难溶于晶状固体难溶于水，微溶于乙醇水，微溶于乙醇等有机溶剂等有机溶剂碱性情况下稳定，碱性情况下稳定，遇酸易起化学变遇酸易起化学变化化苯并芘简介苯并芘简介苯并芘苯并芘研究现状研究现状辐射法辐射法降解降解生物生物降解降解Fenton试剂试剂氧化降解氧化降解目前所报道的降解煤焦油沥青中的目前所报道的降解煤焦油沥青中的
5、BAP含量含量的方法有许多，但在降解的同时又能保证其的方法有许多，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。有较好的理化特性的方法几乎没有。苯并芘的苯并芘的去除去除Your TextYour TextYour TextYour Text实验操作流程实验操作流程Your TextYour TextYour TextYour Text2005200620072008在对煤沥青进行改性前首先用高剪切搅拌器在在对煤沥青进行改性前首先用高剪切搅拌器在180180条件下以条件下以4000r/min4000r/min的速度搅拌的速度搅拌3min3min。Text in hereText in
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