拥塞理论与高分子力反应器  

Jamming Theory and Polymer Mechanochemistry Reactor

作　　者：李林玲[1] 滕超[1] 薛奇[1] 

机构地区：[1]南京大学化学化工学院高分子科学与工程系高性能高分子材料与技术教育部重点实验室(南京大学)南京微结构国家实验室(筹),江苏南京210093

出　　处：《高分子材料科学与工程》2014年第2期151-156,共6页Polymer Materials Science & Engineering

摘　　要：文中简介了凝聚态物理中新兴的拥塞理论,并讨论了其在高分子体系中的作用。在拥塞体系中,影响拥塞-去拥塞转变的3个变量,分别为温度、施加的应力和体系的堆积密度。无定形高分子链在剪切作用下的低温流动可看作是去拥塞转变的一种形式。高分子在剪切作用下的低温流动现象为理解徐僖先生创建的"磨盘研磨力反应器"作用原理提供了新的思路和途径。In this paper, the jamming theory, a new frontier in modern condensed matter physics, was briefly introduced, and its applications in the polymer system were discussed. As is well known, in a jamming system, temperature, applied stress and the packing density are the three important factors that influence the jamming and unjamming transitions. Based on the jamming phase diagram, the shear stress can induce flow of polymers chains with different interchain proximities. The development of jamming theory would provide new insights to the principles of ＇millstone type mechanicochemical reactor＇ created by Xu Xi et al.

关 键 词：拥塞理论 去拥塞转变 高分子链低温流动 磨盘力反应器 

分 类 号：O63[理学—高分子化学]