聚合物在受限层空间中的形态结构演变及相关性能研究进展
发布时间：2018-08-10 19:26
【摘要】：自然界中的层状有序结构如强韧的贝壳、树木等,往往带来优异的性能或特殊的功能。作为仿生材料学在高分子加工成型技术中的应用,聚合物微纳层共挤出技术是通过特殊的流道设计对聚合物熔体进行多次强制分割叠加,来制备高性能交替多层聚合物材料的新方法。层倍增器单元对熔体的多重力场作用,为多相多组分体系形态的原位调控提供了可能。而通过两相交替层状排布形成的受限层空间和丰富的层界面不仅赋予了材料独特的力学、光电、阻隔等性能,还为聚合物结晶调控提供了理想的研究模型。本文简要综述了近年来在层倍增过程中聚合物的形态结构演变及其对相关性能影响方面的研究进展。
[Abstract]:Layered ordered structures in nature, such as tough shells, trees and so on, often bring excellent performance or special functions. As an application of biomimetic materials in polymer processing and forming technology, polymer micro-nano layer co-extrusion technology is used to divide polymer melt several times through special flow channel design. To prepare high performance alternating multilayer polymer materials. The effect of layer multiplier unit on the multi-gravity field of the melt provides the possibility for the in situ regulation of the morphology of the multiphase multicomponent system. The limited layer space and rich layer interface formed by two-phase alternating layer-arrangement not only endow the material with unique mechanical, photoelectric and barrier properties, but also provide an ideal research model for the regulation of polymer crystallization. In this paper, the recent progress in the evolution of polymer morphology and its influence on the properties of polymer in the process of layer multiplication is briefly reviewed.
【作者单位】： 高分子材料工程国家重点实验室四川大学高分子研究所;
【基金】：国家自然科学基金(51420105004,51227802,51673136,51421061)
【分类号】：O631.11
本文编号：2175967
[Abstract]:Layered ordered structures in nature, such as tough shells, trees and so on, often bring excellent performance or special functions. As an application of biomimetic materials in polymer processing and forming technology, polymer micro-nano layer co-extrusion technology is used to divide polymer melt several times through special flow channel design. To prepare high performance alternating multilayer polymer materials. The effect of layer multiplier unit on the multi-gravity field of the melt provides the possibility for the in situ regulation of the morphology of the multiphase multicomponent system. The limited layer space and rich layer interface formed by two-phase alternating layer-arrangement not only endow the material with unique mechanical, photoelectric and barrier properties, but also provide an ideal research model for the regulation of polymer crystallization. In this paper, the recent progress in the evolution of polymer morphology and its influence on the properties of polymer in the process of layer multiplication is briefly reviewed.
【作者单位】： 高分子材料工程国家重点实验室四川大学高分子研究所;
【基金】：国家自然科学基金(51420105004,51227802,51673136,51421061)
【分类号】：O631.11
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，本文编号：2175967
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