Open Access
Articles
Article ID: 192
by Wangjian de
Composite Materials Research, Vol.3, No.1, 2018; 146 Views, 16 PDF Downloads
three-dimensional reduced graphene oxide (RGO)/polyaniline (PANI) composite has been prepared in a single step bYthe ultrasonic irradiation OFA suspension ofgraphite oxide and gels using a PANI method.Scanning electronic microscopy (SEM), Transmission electron microscope (TEM), X-ray diffraction (XRD), Fourier transform INfrared Spectra (FT-ir), X-ray photoelectron spectra (XPS), and electrochemical measurements were to performedThe morphology, structure, and supercapacitive performance of the composite.The result showed this composite maintained the basic morphology of RGO, and that's PANI was inlayed insideNetwork.An outstanding supercapacitive performance is obtained when the mass ratio ofgraphite oxide and PANI was 1:1.Furthermore, the capacities reached 758 and f*g _1 at 0.5 and 30a*g _1 , respectively.The retention rate is foundto is86%after1000 cyclesat received:october,2014;Revised:november:2014;Publishedon Web:november,2014. corresponding author.Email:tjpeng@swust.edu.cn";Tel: +86-816-2419276. The project was supported by the National Natural Science Foundation of PRC (41272051), Doctor Fund project by SouthwestUniversity and Technology, 11zx7135, postgraduate innovation Fund Project by Southwest University ofCience and Technology, 14ycx003, and Miaozi subtopic Project for the construction of Mianyang Sci-tech City UniverSity Students ' innovative undertaking Club demonstration Site, the 2014rz0038-15. National Natural Science Foundation(41272051),Southwestern University of Science and Technology, Ph. D Fund(11zx7135),Graduate Innovation Fund, Southwest University of Science and Technology(14ycx003)and Mianyang Science and Technology City College students ' innovative entrepreneurshipClub Demonstration Point Project Sub-project(2014rz0038-15)Project Funding ©Editorialofficeofactaphysico-chimicasinica
Open Access
Articles
Article ID: 191
by Shi yang
Composite Materials Research, Vol.3, No.1, 2018; 161 Views, 10 PDF Downloads
briefly introduces the classification and development of metal matrix composites , and focuses on several common preparation methods of particulate reinforced aluminum matrix composites , includes stirring casting , Squeeze casting , Liquid metal infiltration , powder Metallurgy , jet deposition and newer in-situ reaction compounding method ; also reviews particle reinforced aluminum base Research progress on mechanical properties of composites , including experimental progress ,theoretical model and simulation progress ; Finally, the development direction of particle reinforced aluminum matrix composites is prospected
Open Access
Articles
Article ID: 196
by Maming guo
Composite Materials Research, Vol.3, No.1, 2018; 181 Views, 12 PDF Downloads
cellulose-based Functional composites exhibit the functional characteristics, such as light, electric, magnetic functionsand catalytic properties, which have been widely applied in pulping and papermaking, fine chemical, tissue engineering, BIOmedical and other fields.cellulose-based biomedical composites are typical cellulose materials, combining the advantages of both biomass and biomaTerials, which have potential applications in bone repair and replacement, tissue engineering, drug delivery, Gene CarrieR, protein adsorption, and other fields.In this review, we introduced three synthetic methods to composites including hydrothermal (Solvothermal) method, MicrowAve method and ultrasonic method, discussed the advantages and disadvantages of these three kinds of preparation,reviewed the progress of cellulose-based materials, and systematically summarized cellulose-based biomedical compOsites such as Cellulose/hydroxyapatite, Cellulose/calcium carbonate, and Cellulose/ag composites.Based on our experience, we pointed out the problems and future development of cellulose-based BiomedicalItes.It is expected to provide reference for the resourceful, functional, high-value, and recycling applications of biomass.In the future, it is desired to develop the manufacturing strategy for large-scale synthesis of cellulose-basedComposites, explore its synthetic mechanism, and reveal the intrinsic relationship the among, cellulose functionalIALs, methods and properties.It is so known that cellulose is difficult to dissolve in water or organic solvents under normal conditions because of tHe intra-and inter-molecular hydrogen bonds.Therefore, the development of suitable solvent for dissolving of cellulose is ofMproving their industrial applications. More recently, the cellulose Nanocrystal has received attentions to its due excellent.It is suggested this cellulose-based functional composites can be fabricated by using cellulose as matrix.Furthermore, rapid progresses are anticipated in the preparation of various-cellulose-based multifunctional composites including efficient antibacterial, flame retardant, waterproof, fireproof, adsorptive, anti-counterfeiting, RapidDetective and analytical functions.
Open Access
Articles
Article ID: 186
by jie Hejun
Composite Materials Research, Vol.3, No.1, 2018; 184 Views, 13 PDF Downloads
TheFlame retardantcy polyethylene (PE) matrix composites were prepared by twin-screw extruder, WithHydromagnesite (HM) and Mg (OH)2As theflame retardants.The flame retardant properties and mechanism ofHM - Mg (OH)2/pe Flame retardant composites were investigated by limited oxygen index (LOI),Vertical buring Test (UL-94),Cone calorimetric Test (CCT) and universal tensile test.The thermal decomposition behavior of HM-MG (OH)2/pe flame RetardantComposites was studied by Thermogravimetric analysis (TGA).The resultsShow thisis, theflame retardant in appropriate proportionsofhmandMg (OH) 2decomposes inThe combustion tempera-ture range which leads to a better flame.In the premise of the same LOI and tensile strength, the cost of</b112> PE Composite with synergistic flame retardant decreases significantly with Mg (OH) 2asflame retardant alone.The ineffective even negative decomposition of HM reducesin the synergistic flame,/b13> and theInhibi Tory effect on the decomposition by thePE matrix with HM under high temperature is retained,At thesametime,a HeJunjie, CHENG Yu,ZHANG Xin, et al performance and decomposition behavior of HYDROMAGNESITE-MG (OH) 2synergistic polyethylene flame retardant composites[j].Acta materiae Compositae sinica,2017,(a):2674-2680 (in Chinese). Relatively stable scaly protective 1 ayer F orms i n the combustion region surface, in adition, the total lost mass of SYNEr Thegistic Flame Composite is higher.With those variety of factors, the flame retardancy effect of the synergistic flame Composite is higher.The HM-MG (OH2)/pe flame retardant Composites pass the UL-94 Vb13>-0rating with LOI valueof28%, and the tensile strength reaches 8 mpawhen mass ratio of HM to Mg (OH<b20>) 2is1:2 with 60wt% loading
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