橡胶纳米复合材料微观结构与补强机理  

Microstructure and Reinforcement of Rubber Nanocomposites

作　　者：宋义虎[1] 郑强[1] Yihu Song;Qiang Zheng(MOE Key Laboratory of Macromolecular Synthesis and Functionalization,Department of Polymer Science and Engineering,Zhejiang University,Hangzhou 310027,China)

机构地区：[1]高分子合成与功能构造教育部重点实验室浙江大学高分子科学与工程学系,浙江杭州310027

出　　处：《高分子材料科学与工程》2021年第1期252-260,共9页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(U1908221,51873190,51790503);中央高校基本科研业务费(2020XZZX002-08)。

摘　　要：高弹性橡胶纳米复合材料的微观结构与补强机理长期以来备受关注。因界面相互作用复杂,纳米粒子在橡胶基体中形成团聚体甚至网络化结构,橡胶分子在粒子表面形成玻璃化层或受限层并在粒子间形成桥连链,使得微观结构和分子动力学呈现多层级杂化现象。文中综述了材料微观结构、分子动力学和补强效应研究现状和最新进展,分析研究结果之间的矛盾和补强理论的争议;指出今后研究的重点应以橡胶基体黏弹性为基础,系统研究纳米粒子对橡胶分子动力学行为的影响,建立微观效应结构-补强效应关系。The microstructure and reinforcement mechanism of highly elastic rubber nanocomposites have been paid much attention to for years.Due to complicated interfacial interactions,nanoparticles form agglomerates or even networked structures in the rubber matrices,and the rubber macromolecules form glassy or restricted layers on the surface of nanoparticles and bridging chains connecting different nanoparticles,leading to the formation of microstructural and dynamics heterogeneities,which significantly affects the reinforcement mechanism.This paper summarized the current situation and the recent progress of research on the microstructures,molecular dynamics and reinforcement effects of the rubber nanocomposites,and analyzed the contradictions between the research results and the controversy of the reinforcement theories.The authors proposed an important research direction for the rubber science in relation to establishing of the relationship between microstructure and reinforcement on the basis of viscoelasticity of the rubber matrices.

关 键 词：橡胶 纳米复合材料 微观结构 补强机理 

分 类 号：TQ330.1[化学工程—橡胶工业]