ICCAS OpenIR
Tensile modulus of polymer nanocomposites
Ji, XL; Jing, JK; Jiang, W; Jiang, BZ
2002-05-01
Source PublicationPOLYMER ENGINEERING AND SCIENCE
ISSN0032-3888
Volume42Issue:5Pages:983-993
AbstractBased on Takayanagi's two-phase model, a three-phase model including the matrix, interfacial region, and fillers is proposed to calculate the tensile modulus of polymer nanocomposites (E-c). In this model, fillers (sphere-, cylinder- or plate-shape) are randomly distributed in a matrix. If the particulate size is in the range of nanometers, the interfacial region will play an important role in the modulus of the composites. Important system parameters include the dispersed particle size (t), shape, thickness of the interfacial region (tau), particulate-to-matrix modulus ratio (E-d/E-m), and a parameter (k) describing a linear gradient change in modulus between the matrix and the surface of particle on the modulus of nanocomposites (E-c). The effects of these parameters are discussed using theoretical calculation and nylon 6/montmorillonite nanocomposite experiments. The former three factors exhibit dominant influence on E-c At a fixed volume fraction of the dispersed phase, smaller particles provide an increasing modulus for the resulting composite, as compared to the larger one because the interfacial region greatly affects E-c. Moreover, since the size of fillers is in the scale of micrometers, the influence of interfacial region is neglected and the deduced equation is reduced to Takayanagi's model. The curves predicted by the three-phase model are in good agreement with experimental results. The percolation concept and theory are also applied to analyze and interpret the experimental results.
Indexed BySCI
Language英语
WOS IDWOS:000175895200010
PublisherSOC PLASTICS ENG INC
Citation statistics
Cited Times:200[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78640
Collection中国科学院化学研究所
Corresponding AuthorJi, XL
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Ji, XL,Jing, JK,Jiang, W,et al. Tensile modulus of polymer nanocomposites[J]. POLYMER ENGINEERING AND SCIENCE,2002,42(5):983-993.
APA Ji, XL,Jing, JK,Jiang, W,&Jiang, BZ.(2002).Tensile modulus of polymer nanocomposites.POLYMER ENGINEERING AND SCIENCE,42(5),983-993.
MLA Ji, XL,et al."Tensile modulus of polymer nanocomposites".POLYMER ENGINEERING AND SCIENCE 42.5(2002):983-993.
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