吉林大学学报(工学版)

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废弃矿渣粉填充EPDM泡沫型复合材料的制备及其吸油特性

刘秀奇1,2,邢贺钦3,张国1,2,王立艳4,金晶1,2   

  1. 1.吉林大学 材料科学与工程学院,长春 130012;2.吉林大学 汽车材料教育部重点实验室,长春 130012;3.吉林大学 军需科技学院,长春 130062;4.吉林建筑工程学院 材料科学与工程学院, 长春 130021
  • 收稿日期:2008-04-21 修回日期:2008-06-24 出版日期:2009-01-01 发布日期:2009-01-01
  • 通讯作者: 张国

Oil absorption properties of foaming waste dusty slag/EPDM composites for machine oil

LIU Xiu-qi1,2,XING He-qin3,ZHANG Guo1,2,WANG Li-yan4,JIN Jing1,2   

  1. 1.College of Materials Science and Engineering,Jilin University,Changchun 130012,China;2.Key Laboratory of Automobile Materials of Ministry of Education,Jilin University,Changchun 130012,China; 3.College of Quartermaster Technology, Jilin University, Changchun 130062, China; 4.College of Material Science and Engineering, Jilin Institute of Architecture and Engineering, Changchun 130021,China
  • Received:2008-04-21 Revised:2008-06-24 Online:2009-01-01 Published:2009-01-01
  • Contact: ZHANG Guo

摘要: 以三元乙丙橡胶(EPDM)作为基体,金矿提纯后的废弃矿渣粉作为填料,利用熔融共混及模压发泡的方法,制备出一种泡沫型吸油复合材料。可以将这类材料直接漂浮于含油废水表面使用。研究了填料和发泡剂(AC)的用量对复合材料吸油率的影响,并讨论了复合材料的保油率。得出填料含量为10 phr(每百克份数),AC含量为4 phr是复合材料的最佳配比。对比不同复合材料的吸油速率,结果表明:非泡沫型复合材料的吸油率比交联EPDM的吸油率提高了10146%;泡沫型复合材料比非泡沫型复合材料的吸油率再次提高389.82%。分析了在温度、pH值等条件改变时泡沫型复合材料吸油率的变化,并从EPDM自身结构、交联剂DCP及废弃矿渣粉的添加等方面对复合材料的吸油机理进行了分析。

关键词: 复合材料, 吸油性, 吸油机理, 废弃矿渣粉, 泡沫型复合材料

Abstract: A new kind of foaming material for oil adsorption was prepared by melting blend and mold pressing,with ethylenepropylenediene rubber(EPDM) as the matrix and waste dusty slag as the filler.The effects of foaming agent (AC)and waste dusty slag contents on the oil absorbency were studied.The results show that the oil absorbency reached the highest value with waste dusty slag loading 10 phr(Parts per hundreds of rubber) and AC loading being fixed at 4 phr.The oil retentions were over 90% with AC loadings from 1 to 4 phr,but when AC was over 4 phr,the oil retention decreased deeply.the optimum value of AC loading was 4 phr.Compared the oil absorbtion rates with the foaming composite and non-foaming composite.The results indicates that the oil absorbency of non-foaming composite is 101.46% more than that of EPDM (crosslinked);the oil absorbency of foaming composite composite is 389.82% more than that of nonfoaming composite.The varieties of oil absorbency when the temperature or pH being changed were studied.EPDM is a longchain polymer with saturated mainchain structure,so it can adsorb oil.EPDM was crosslinked with DCP,a network structure was formed in EPDM.Waste dusty slag could reduce some intermolecular interaction of polymer chains to form many channels in the network structure.The oil molecule can come into the network structure easily.

Key words: composite material, oil absorption capacity, oilabsorbing mechanism, waste dusty slag, foaming composite

中图分类号: 

  • TB332
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