Rheology and phase structure of PP/EPDM/SiO(2) ternary composites
Yang, Hong1; Li, Bo1; Wang, Ke1; Sun, Tongchen2; Wang, Xin2; Zhang, Qin1; Fu, Qiang1; Dong, Xia2; Han, Charles C.2
AbstractIn this article, the rheological properties of polypropylene (PP)/ethylene-propylene-diene terpolymer (EPDM)/silicon dioxide NOD ternary composites were systematically investigated. Two kinds of iiano-SiO(2) particles (with hydrophobic (denoted as A-SiO(2) or hydrophilic (denoted as B-SiO(2))) as well as two processing methods (one-step or two-step) were first employed to prepare PP/EPDM/SiO(2) ternary composites. Then the deep mixing and morphology evolution of polymer composite with mixing time were assessed by rheological method, on the focus of formation of filler-network, and compared with scanning electron microscopy (SEM) observations. Linear viscoelastic behavior was observed for PP/EPDM and PP/SiO(2) binary system, showing no evidence of the formation of filler-network structure. However, a solid-like rheological behavior, which was attributed to the formation of the filler-network structure as confirmed by SEM observation, could be observed in some PP/EPDM/SiO(2) ternary systems, depending on the SiO(2) surface property, processing method and EPDM content. It seemed that SiO(2) with hydrophilic surface was necessary for the formation of filler-network in PP/EPDM/SiO(2) ternary system. Besides, two-step processing method made the solid-like behavior occurred at all earlier stage compared with that of a one-step processing method, also, the higher elastomer content facilitated the formation of the filler-network structure. The results were in good agreement with those reported in our previous publications [Yang H, Zhang Q, Guo M, Wang C, Du R, Fu Q. Polymer 2006;47:2106] [Yang H, Zhang X, Qu C, Li 13, Zhang L, Zhang Q, et al. Polymer 2007;48:860]. (c) 2007 Elsevier Ltd. All rights reserved.
KeywordPp/epdm/nano-sio(2) Ternary Composites Rheology Phase Structure Filler-network Solid-like Behavior
Indexed BySCI
WOS IDWOS:000253037700013
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Cited Times:43[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorFu, Qiang
Affiliation1.Sichuan Univ, Coll Polymer Sci & Mat, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
2.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Joint Lab Polymer Sci & Mat,Beijing Natl Lab Mol, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Yang, Hong,Li, Bo,Wang, Ke,et al. Rheology and phase structure of PP/EPDM/SiO(2) ternary composites[J]. EUROPEAN POLYMER JOURNAL,2008,44(1):113-123.
APA Yang, Hong.,Li, Bo.,Wang, Ke.,Sun, Tongchen.,Wang, Xin.,...&Han, Charles C..(2008).Rheology and phase structure of PP/EPDM/SiO(2) ternary composites.EUROPEAN POLYMER JOURNAL,44(1),113-123.
MLA Yang, Hong,et al."Rheology and phase structure of PP/EPDM/SiO(2) ternary composites".EUROPEAN POLYMER JOURNAL 44.1(2008):113-123.
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