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中国腐蚀与防护学报  2008, Vol. 28 Issue (5): 296-298     
  论文 本期目录 | 过刊浏览 |
PMMA/MMT纳米复合材料硫酸腐蚀研究
陈奎;杨瑞成;张天云
兰州理工大学甘肃省有色金属新材料省部共建国家重点实验室
RESEARCH OF SULFURIC ACID CORROSION AND CORROSION PRODUCT OF POLY (METHYL METHACRYLATE)/ MONTMORILLONITE NANOCOMPOSITES
全文: PDF(778 KB)  
摘要: 用XRD和TEM对聚甲基丙烯酸甲酯/KH-V6型蒙脱土(PMMA/KH-V6型MMT)纳米复合材料进行结构表征,用失重法研究其耐H2SO4腐蚀行为,并用FTIR和XPS分析腐蚀产物膜。结果表明,蒙脱土质量分数为3%时,以单片层剥离形式存在于PMMA基体中,试样的腐蚀速率是纯PMMA的34.2%;PMMA与复合材料的腐蚀产物主要成分均为C、H、O和S元素;蒙脱土的阻隔效应,使PMMA/3%KH-V6型MMT纳米复合材料中PMMA基体的降解行为减弱,腐蚀产物中C元素含量下降,O和S元素含量上升。
关键词 硫酸腐蚀聚甲基丙烯酸甲酯蒙脱土纳米复    
Abstract:The structure of poly (methyl methacrylate)/ montmorillonite (PMMA/MMT) nanocomposites was characterized by means of XRD and TEM. The sulfuric acid corrosion behavior of PMMA/MMT nanocomposites were studied using weight loss testing method, and the corrosion products were analyzed by FTIR and XPS. The solutions show that,exfoliated PMMA/MMT nanocomposites is made, and the corrosion rate of composites is 34.2 percent to PMMA when the mass fraction of MMT reaches 3 %. The corrosion products of both PMMA and its composites are C, H, O and S. Compared with the corrosion product of pure PMMA, C element content of the corrosion product of PMMA/ 3wt% MMT nanocomposites decreases while S and O elements increase introduced by the weaker of the degradation behavior of PMMA matrix for the barrier effect of MMT layer.
Key wordssulfuric acid    corrosion    poly (methyl methacrylate)    montmorillonite    nanocomposites
收稿日期: 2007-01-04     
ZTFLH:  TB337  
通讯作者: 陈奎     E-mail: chenkui405@126.com

引用本文:

陈奎; 杨瑞成; 张天云 . PMMA/MMT纳米复合材料硫酸腐蚀研究[J]. 中国腐蚀与防护学报, 2008, 28(5): 296-298 .

链接本文:

https://www.jcscp.org/CN/Y2008/V28/I5/296

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