中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Effect of glass bead packing on the fibrillation of liquid-crystalline polymer in polycarbonate

文献类型:期刊论文

作者Chen, P; Chen, J; Zhang, BQ; Zhang, J; He, JS
刊名JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
出版日期2006-03-15
卷号44期号:6页码:1020-1030
关键词Fillers Liquid-crystalline Polymers (Lcp) Morphology Polycarbonates Rheology
ISSN号0887-6266
DOI10.1002/polb.20755
英文摘要Polycarbonate (PC) was melt blended with small amount of liquid-crystalline polymer (LCP) and various contents of glass beads (GB) having different diameters. The rheological measurements indicated that the GB addition increased the viscosity ratio and seemed unfavorable to the LCP fibrillation. However, the morphological observation showed that the LCP fibrillation was promoted by the GB addition and varied with the GB packing. With the increased GB packing by increasing the GB content and/or decreasing the GB diameter, LCP deformed from spheres and ellipsoids into stretched ellipsoids at lower shear rates and into long fibrils at higher shear rates. Although higher content of smaller GB jammed into the larger LCP droplets and inhibited the LCP fibrillation, very long LCP fibrils formed at higher shear rates at a high enough packing of GB. The relationship between GB packing and LCP fibrillation revealed two kinds of hydrodynamic effects of GB promoting the LCP fibrillation: at lower GB packing, the shear flow was enhanced by the high local shear between GB, in quantity; and for a high enough GB packing, the shear flow was changed, in quality, into elongational flow, which was more effective for the LCP fibrillation. (c) 2006 Wiley Periodicals, Inc.
语种英语
WOS记录号WOS:000235727500013
出版者JOHN WILEY & SONS INC
源URL[http://ir.iccas.ac.cn/handle/121111/59097]  
专题中国科学院化学研究所
通讯作者He, JS
作者单位1.Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Joint Lab Polymer Sci & Mat, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714
Chen, P,Chen, J,Zhang, BQ,et al. Effect of glass bead packing on the fibrillation of liquid-crystalline polymer in polycarbonate[J]. JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,2006,44(6):1020-1030.
APA Chen, P,Chen, J,Zhang, BQ,Zhang, J,&He, JS.(2006).Effect of glass bead packing on the fibrillation of liquid-crystalline polymer in polycarbonate.JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,44(6),1020-1030.
MLA Chen, P,et al."Effect of glass bead packing on the fibrillation of liquid-crystalline polymer in polycarbonate".JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS 44.6(2006):1020-1030.

入库方式: OAI收割

来源:化学研究所

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