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EPS水泥基复合材料界面改性试验研究
Interfacial Modification of EPS Cement Based Composite Materials
投稿时间:2018-09-12  修订日期:2018-12-12
DOI:103969/j.issn.1007 9629201906012
中文关键词:  EPS水泥基复合材料  表面改性  黏结强度  力学性能  微观结构
英文关键词:EPS cement based composite material  surface modification  adhesion strength  mechanical property  microstructure
基金项目:广西科技攻关项目(桂科攻1114016 6)
              
作者单位
董健苗
DONG Jianmiao
广西科技大学土木建筑工程学院,广西柳州545006
School of Civil Engineering and Architecture, Guangxi University of Science and Technology, Liuzhou 545006, China
曹嘉威
CAO Jiawei
广西科技大学土木建筑工程学院,广西柳州545006
School of Civil Engineering and Architecture, Guangxi University of Science and Technology, Liuzhou 545006, China
李洋洋
LI Yangyang
广西科技大学土木建筑工程学院,广西柳州545006
School of Civil Engineering and Architecture, Guangxi University of Science and Technology, Liuzhou 545006, China
周悦志
ZHOU Yuezhi
广西科技大学土木建筑工程学院,广西柳州545006
School of Civil Engineering and Architecture, Guangxi University of Science and Technology, Liuzhou 545006, China
王留阳
WANG Liuyang
广西科技大学土木建筑工程学院,广西柳州545006
School of Civil Engineering and Architecture, Guangxi University of Science and Technology, Liuzhou 545006, China
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中文摘要:
      采用三乙醇胺改性剂和水性环氧树脂对发泡聚苯乙烯(EPS)颗粒进行表面改性处理,通过扫描电镜(SEM)分析研究了EPS水泥基复合材料的界面改性机理.结果表明:三乙醇胺和水性环氧树脂共同作用能够有效改善EPS颗粒与胶凝材料界面间的黏结程度,并可形成整体的核壳结构,从而提高了EPS水泥基复合材料的界面性能及力学性能.
英文摘要:
      Triethanolamine modifier and the waterborne epoxy resin were applied for the surface modification treatment of the expanded polystyrene(EPS) grain. By means of scanning electron microscopy(SEM), the mechanism of interfacial modification of EPS cement based composite materials was investigated.The results were shown that the adhesion strength between EPS grain and cementing material can be improved by interaction between the triethanolamine and polymer. The core shell structure constructed by the modified EPS grain and inorganic gelling material can improve the mechanical properties of EPS cement based composite materials.
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