Realizing the enhancement of interfacial interaction in semicrystalline polymer/filler composites via interfacial crystallization |
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| Authors: | Nanying NingSirui Fu Wei ZhangFeng Chen Ke Wang Hua DengQin Zhang Qiang Fu |
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| Affiliation: | College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, PR China |
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| Abstract: | Polymer/filler composites have been widely used in various areas. One of the keys to achieve the high performance of these composites is good interfacial interaction between polymer matrix and filler. As a relatively new approach, the possibility to enhance polymer/filler interfacial interaction via crystallization of polymer on the surface of fillers, i.e., interfacial crystallization, is summarized and discussed in this paper. Interfacial crystallization has attracted tremendous interest in the past several decades, and some unique hybrid crystalline structures have been observed, including hybrid shish-kebab and hybrid shish-calabash structures in which the filler served as the shish and crystalline polymer as the kebab/calabash. Thus, the manipulation of the interfacial crystallization architecture offers a potential highly effective route to achieve strong polymer/filler interaction. This review is based on the latest development of interfacial crystallization in polymer/filler composites and will be organized as follows. The structural/morphological features of various interfacial crystallization fashions are described first. Subsequently, various influences on the final structure/morphology of hybrid crystallization and the nucleation and/or growth mechanisms of crystallization behaviors at polymer/filler interface are reviewed. Then recent studies on interfacial crystallization induced interfacial enhancement ascertained by different research methodologies are addressed, including a comparative analysis to highlight the positive role of interfacial crystallization on the resultant mechanical reinforcement. Finally, a conclusion, including future perspectives, is presented. |
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| Keywords: | 2d, two dimensional AD-MWNTs, multi wall carbon nanotubes synthesized by arc discharge method AFM, atomic force microscopy b, thickness of polymer coating layer CF, carbon fiber CNF, carbon nanofiber CNT, carbon nanotube CNTs, carbon nanotubes CTE, coefficient of thermal expansion CVD, chemical vapor deposition CVD-MWNTs, multi wall carbon nanotubes synthesized by CVD method DBS, 1,3:2,4-dibenzylidene glucitol Df, fiber diameter DMA, dynamic mechanical analysis DMAc, N,N-dimethyl acetamide DMF, N,N-dimethyl formamide DMSO, dimethyl sulfoxide DPIM, dynamic packing injection molding technology DSC, differential scanning calorimetry Fmax, maximum pullout force FTIR, Fourier-transform infrared spectroscopy GF, glass fiber GONPs, graphite oxide nanoplatelets HDPE, high density polyethylene HDT, thermal distortion temperature HMCF, ultrahigh-modulus carbon fiber HMW-PE, high molecular weight PE HMW-PP, high molecular weight polypropylene HOPG, highly oriented pyrolytic graphite HSC, hybrid shish-calabash HSK, hybrid shish-kebab H-T equation, Halpin-Tsai equation HTCF, high-tenacity carbon fiber IFSS, interfacial shear strength IMCF, intermediate-modulus carbon fiber iPP, isotactic polypropylene K-BrBz, potassium 4-bromobenzoate lc/D, critical aspect ratio lc, critical effective length lemb, fiber embedded length LLDPE, linear low density polyethylene lm, mean fragment length of fiber LMW-PE, low molecular weight PE LMW-PP, low molecular weight polypropylene MAPP, maleic anhydride grafted polypropylene MD, molecular dynamics MoS2, molybdenum disulfide MWNT, multi wall carbon nanotube MWNTs, multi wall carbon nanotubes NF, natural fiber NHSK, nanohybrid shish-kebab P3HT, poly (3-hexylthiophene) PA, polyamide PA-12, polyamide-12 PA-6, polyamide-6 PAN, polyacrylonitrile PBT, polybutylece terephthalate PCL, polycaprolactone PE, polyethylene PE-b-PEO, polyethylene-b-poly ethylene oxide PEEK, poly (ether ether ketone) PEO, poly ethylene oxide PET, poly(ethylene terepthalate) PHBV, poly(hydroxybutyrate-co-hydroxyvalerate) PLLA, poly( smallcaps" >l-lactide) PP, polypropylene PPDT, poly (p-phenylene terephthalamide) Pp-g-MA, polypropylene grafted maleic anhydride PPS, poly (phenylene sulfide) PVA, poly(vinyl alcohol) PVDF, poly(vinylidene fluoride) rf, fiber radius SC CO2, supercritical CO2 SEM, scanning electron microscopy SMCW, SiO2-MgO-CaO whisker sPP, syndiotactic polypropylene sPS, syndiotactic polystyrene SWNT, single wall carbon nanotube SWNTs, single wall carbon nanotubes TC, transcrystallinity TEM, transmission electron microscopy UHMCF, ultrahigh modulus carbon fiber UHMWPE, ultrahigh molecular weight polyethylene Vf, fiber volume fraction VGCF, vapor grown carbon fibers WAXD, wide-angle X-ray diffraction η0, orientation efficiency factor of fiber ηl, length efficiency factor of fiber σc, composite strength σf, fiber tensile strength σm, basal polymer strength σs, shear strength at the edge of the interfacial layer region τi, interfacial shear strength |
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