纳米氧化石墨烯与聚合物改性水泥基复合材料性能研究进展  

Research Progress on Properties of Polymer Cement-based Composites Modified by Nano-graphene Oxide

作　　者：李少飞 魏智强 乔宏霞[1,2] 曹辉[1,2] 赵辛源 葸玲玲[1,2] LI Shaofei;WEI Zhiqiang;QIAO Hongxia;CAO Hui;ZHAO Xinyuan;XI Lingling(School of Civil Engineering,Lanzhou University of Technology,Lanzhou 730050,China;Gansu Advanced Civil Engineering Materials Engineering Research Center,Lanzhou 730050,China;College of Science,Lanzhou University of Technology,Lanzhou 730050,China;State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals,Lanzhou University of Technology,Lanzhou 730050,China)

机构地区：[1]兰州理工大学土木工程学院,兰州730050 [2]甘肃省先进土木工程材料工程研究中心,兰州730050 [3]兰州理工大学理学院,兰州730050 [4]兰州理工大学省部共建有色金属先进加工与再利用国家重点实验室,兰州730050

出　　处：《材料导报》2025年第10期75-86,共12页Materials Reports

基　　金：国家自然科学基金(52268042);甘肃省自然科学基金(22JR5RA253)。

摘　　要：聚合物改性水泥基材料兼具有机材料和无机材料的优势,因其优良的强度、粘结性、防水性而被广泛用作混凝土结构修复材料。然而,聚合物存在延缓水泥水化、降低复合材料早期力学性能、温度敏感性、易老化等不足。氧化石墨烯(GO)作为一种新型纳米材料通过调控水泥基材料内部的微观结构,可以极大地改善复合材料的宏观力学性能。本文分别综述了几种常见聚合物、GO改性水泥基材料性能的研究进展,讨论了聚合物和GO对水泥基材料水化特性、水化产物、力学性能的影响,总结了二者对水泥基材料的改性机理。在此基础上,分别总结了聚合物和GO改性水泥基材料所存在的问题。最后,提出了采用GO改性聚合物水泥基复合材料,发挥GO和聚合物的各自优势,讨论了GO改性聚合物水泥基复合材料当前存在的问题和应用前景。Polymer-modified cement-based materials have the advantages of both organic and inorganic materials such as excellent strength,cohesiveness and water resistance,are widely used as concrete structural repair materials.However,the addition of polymer has some disadvantages such as delaying the hydration of cement,reducing the early mechanical properties of composite,temperature sensitivity and easy aging.As a new nanomaterial,graphene oxide(GO)can greatly improve the macroscopic mechanical properties of cement-based composites by regulating its internal microstructure.This paper reviews the research progress of several common polymers and GO modified cement-based materials,discusses the effects of polymers and GO on the hydration properties,hydration products and mechanical properties of cement-based materials,and summarizes the modification mechanism of the two on cement-based materials.On this basis,the existing problems of polymer and GO modified cement-based materials are summarized.Finally,the use of GO modified polymer cement-based composites is put forward to give full play to the respective advantages of GO and polymer,and the existing problems and application prospects of GO modified polymer cement-based compo-sites are discussed.

关 键 词：纳米氧化石墨烯 聚合物 水泥基材料 水化进程 力学性能 改性机理 

分 类 号：TU528[建筑科学—建筑技术科学]