QIBEBT-IR
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
Source PublicationPOLYMER
ISSN0032-3861
Volume142Pages:144-154
AbstractMelt 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.
SubtypeArticle
KeywordLinear Low Density Polyethylene Entrance Pressure Instability Stick-slip Transition
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.polymer.2018.01.085
WOS KeywordSTICK-SLIP TRANSITION ; DEPENDENT WALL SLIP ; CAPILLARY-FLOW ; MELT FRACTURE ; EXTRUSION INSTABILITIES ; ADHESIVE FAILURE ; TEMPERATURE-GRADIENTS ; RHEOLOGICAL BEHAVIOR ; EXTRUDATE DISTORTION ; TUBE FLOW
Indexed BySCI
Language英语
WOS Research AreaPolymer Science
Funding OrganizationNatural Science Foundation of Shandong Province(ZR2016BM15) ; China 863 program(2015AA034003) ; NSFC(21474125)
WOS SubjectPolymer Science
WOS IDWOS:000430358900016
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/10778
Collection中国科学院青岛生物能源与过程研究所
Corresponding AuthorHu, Haiqing; Li, Chaoxu
Affiliation1.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
Recommended Citation
GB/T 7714
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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