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The effects of carbon materials with different dimensionalities on the flow instabilities of LLDPE (linear low density polyethylene)
Tian, Guannan1; Liu, Jie1; Sun, Tongjie1; Wang, Xiangdong1; Wang, Xin1; Hu, Haiqing1; Li, Chaoxu2; Dong, Xia3; Wang, Dujin3
2018-04-25
发表期刊POLYMER
ISSN0032-3861
卷号142页码:144-154
摘要Melt flow instability of LLDPE (Linear Low Density Polyethylene) and its composites with three kinds of carbon fillers with different dimensionalities, including multi-wall carbon nanotubes (MWCNTs), thermally reduced graphene (TRG) and carbon black (CB), was evaluated. A periodic oscillation in entrance pressure drop during the process of wall slip was observed. It was demonstrated that the dimensionalities of the fillers played a significant role in the rheological behaviors for LLDPE composites. The critical shear rate for the onset of the stick-slip transition increased when MWCNTs added but decreased with the addition of TRG. However, in terms of the LLDPE/CB composites, there was no obvious changes for this critical shear rate. Mechanisms for the effects of these fillers on the flow instabilities were proposed according to the molecular structure and the movement of polymer chains. (C) 2018 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Linear Low Density Polyethylene Entrance Pressure Instability Stick-slip Transition
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.polymer.2018.01.085
关键词[WOS]STICK-SLIP TRANSITION ; DEPENDENT WALL SLIP ; CAPILLARY-FLOW ; MELT FRACTURE ; EXTRUSION INSTABILITIES ; ADHESIVE FAILURE ; TEMPERATURE-GRADIENTS ; RHEOLOGICAL BEHAVIOR ; EXTRUDATE DISTORTION ; TUBE FLOW
收录类别SCI
语种英语
WOS研究方向Polymer Science
项目资助者Natural Science Foundation of Shandong Province(ZR2016BM15) ; China 863 program(2015AA034003) ; NSFC(21474125)
WOS类目Polymer Science
WOS记录号WOS:000430358900016
出版者ELSEVIER SCI LTD
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/10778
专题中国科学院青岛生物能源与过程研究所
通讯作者Hu, Haiqing; Li, Chaoxu
作者单位1.Qingdao Univ Sci & Technol, Sch Polymer Sci & Engn, Shandong Prov Key Lab Rubber Plast, Minist Educ,Key Lab Rubber Plast, Qingdao 266042, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
3.Chinese Acad Sci, Inst Chem, CAS Research Educ Ctr Excellence Mol Sci, Beijing Natl Lab Mol Sci,CAS Key Lab Engn Plast, Beijing 100190, Peoples R China
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Tian, Guannan,Liu, Jie,Sun, Tongjie,et al. The effects of carbon materials with different dimensionalities on the flow instabilities of LLDPE (linear low density polyethylene)[J]. POLYMER,2018,142:144-154.
APA Tian, Guannan.,Liu, Jie.,Sun, Tongjie.,Wang, Xiangdong.,Wang, Xin.,...&Wang, Dujin.(2018).The effects of carbon materials with different dimensionalities on the flow instabilities of LLDPE (linear low density polyethylene).POLYMER,142,144-154.
MLA Tian, Guannan,et al."The effects of carbon materials with different dimensionalities on the flow instabilities of LLDPE (linear low density polyethylene)".POLYMER 142(2018):144-154.
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