摘要
<正>导电粒子选择性分散于聚合物基体中形成隔离结构可以有效地提高导电聚合物复合材料(CPCs)电导率及电磁屏蔽性能[1]。然而,迄今为止CPCs中隔离结构形成主要局限于高粘度的聚合物(如超高分子量聚乙烯或交联聚合物)或玻璃化转变温度附近成型的非晶聚合物[2],在低粘度半晶聚合物(如聚乙烯、聚丙烯、聚对苯二甲酸乙二酯、聚酰胺等)中还难以实现。本工作中,我们提出了一种新方法在典型低粘度半晶聚合物——聚乳酸(PLA)中形成隔离
引文
[1]Yan,D.X.,Pang,H.,Li,B.,Vajtai,R.,Xu,L.,Ren,P.G.,Wang,J.H.,Li,Z.M.Structured Reduced Graphene Oxide/Polymer Composites for Ultra-Efficient Electromagnetic Interference Shielding.Advanced Functional Materials 2015,25(4),559.
[2]Pang,H.,Xu,L.,Yan,D.X.,Li,Z.M.Conductive Polymer Composites with Segregated Structures.Progress in Polymer Science 2014,39(11),1908.
[3]Cui,C.H.,Yan,D.X.,Pang,H.,Xu,X.,Jia,L.C.,Li,Z.M.Formation of a Segregated Electrically Conductive Network Structure in a Low-Melt-Viscosity Polymer for Highly Efficient Electromagnetic Interference Shielding.ACS Sustainable Chemistry&Engineering 2016,4(8),4137.
[4]Bao,R.Y.,Yang,W.,Jiang,W.R.,Liu,Z.Y.,Xie,B.H.,Yang,M.B.,Fu,Q.Stereocomplex Formation of High-Molecular-Weight Polylactide:A Low Temperature Approach.Polymer 2012,53(24),5449.