Polymer composite materials based on coconut fibres

... concentration of sodium to the surface, where it then carbonates A selection of typical powder X-ray diffraction patterns of the starting materials and polymers of different compositions is shown ... carbonate by atmospheric carbonation Polymer compositions which not cure satisfactorily show FTIR evidence of carbonation, by contrast with optimum curing compositions The water con...

Ngày tải lên: 30/05/2014, 12:08

... Spine SYNTHESIS AND CHARACTERIZATIONS OF POLYMER ELECTROLYTE MEMBRANES BASED ON ALIPHATIC IONOMERS DAVID JULIUS 2011 SYNTHESIS AND CHARACTERIZATIONS OF POLYMER ELECTROLYTE MEMBRANES BASED ON ALIPHATIC ... Synthesis of New Alcohol-Resistant Alternative PEMs based on Aliphatic Random Ionomers (b) Structural Characterizations of Random A...

Ngày tải lên: 10/09/2015, 15:49

... structure for memory application Results of the present study may enhance our understanding of the application of organic and polymer materials to the organic memory device and it may also contribute ... observed from a lot of organic/ polymer materials based device since 1960s, none of the devices based on these materials can fulfill all the requireme...

Ngày tải lên: 12/09/2015, 11:29

... time that TEOS/PAA hybrid matrices loaded with silver nanoparticles are fabricated In addition, their possible antibacterial behavior is also studied Then, the hybrid coating was used as host ... Mexican zeolite as an antibacterial material Microporous Mesoporous Mater 2000, 39:431-444 Park S-J, Jang Y-S: Preparation and characterization of activated carbon fibers supported w...

Ngày tải lên: 21/06/2014, 04:20

... Formulation of blend composition of PANI- ESP composites Blend composition NMP (g) CB (g) PANI PANI (g) 0.25 ESP (g) 10.33 0.5 PANI/ ESP1 0.25 0.25 10.33 0.5 PANI/ ESP2 0.25 0.50 10.33 0.5 PANI/ ESP3 ... on (a) ethanol; (b) coffee aroma; (c) ammonia gas (continued on next page) Resistance (Mohm) Resistance (Mohm) (b) Aroma coffee (c) Ammonia gas Figure 7: continued Table 5...

Ngày tải lên: 10/07/2014, 09:31

... conductivity in ionic polymers, various ionically conducting polymers or polymer electrolytes have been prepared for a wide range of applications The most interesting property of conducting polymers ... 7.26071 Å 3.5 Electrical Conductivity The polymer backbone in the PANI-ESP conducting polymers consists of a π-conjugated chain The overlap of π-electrons is called conjugation because it...

Ngày tải lên: 07/08/2014, 14:20

... mesophase formation based on the electrostatic interaction and hydrogen-bonding interactions, respectively The synthesis, stabilization, modification, application, structure characterization, mechanistic ... in the lowest electronic excited state In confirmation of the TICT thesis, the twisted conformation was lower by kJ/mol in energy than the 0° torsional conformation in acetonitrile Fo...

Ngày tải lên: 13/11/2014, 11:17

... applications From the above fact, we have chosen dissertation topic is Research on fabrication and the physical properties of the multi-component ceramics based on PZT and the relaxor ferroelectric materials ... study the effect of Zr/Ti ratio in PZT on the structure, and the properties of the PZT - PZN - PMnN ceramics, determine...

Ngày tải lên: 04/12/2014, 02:54

... POLYMERIC MEMBRANES BASED ON CO2- PHILIC MATERIALS FOR HYDROGEN PURIFICATION AND FLUE GAS TREATMENT CHEN HANG ZHENG (B Eng., National University of Singapore, Singapore) A THESIS SUBMITED FOR ... 687-689 [7] Song C, Introduction to hydrogen and syngas production and purification technologies In: Liu K, Song C, Subramani V, editors Hydrogen and syngas p...

Ngày tải lên: 09/09/2015, 17:55

... reported the concept of bulk heterojunction by blending polymer and fullerene or two polymers in 1995.28,29 Bulk heterojunction allows for more interfacial contact between the donor/ acceptor ... exciton energy, IPdonor is the ion potential of donor, EAacceptor is the electron affility of acceptor, B.E is the polaron Coulomb binding energy, LUMO donor and LUMOacceptor are the LU...

Ngày tải lên: 12/09/2015, 09:21

... using thermal reduction still less reported Thus, regarding the reasons mentionned above, we choose the subject of the thesis: Study on synthesis and characterization of new materials based nanostructures ... nanostructures of graphene applied in environmental treatment Objectives of the thesis Synthesis and characterization of the GO (exfoliation b...

Ngày tải lên: 28/04/2016, 17:48

... precision of therapy like the intensity-modulated radiation therapy (IMRT) and the use of heavy ions demands absolute reliability of new diagnostics and treatment planning for prostate and brain ... 14 It was used to investigate whether an intracellular MR imaging is possible and to estimate the T1 relaxivity on MR (1.5 T) Historically already in 1994 electron-spin-resonance...

Ngày tải lên: 26/10/2012, 09:07

... forms of language that realize the genre So the context of situation (register) is the second aspect of social context that influences the linguistic realization of the genre This context of An ... refers to the consideration of meaning in an incongruent way at the level of the organization of the discourse The most congruent form of joining...

Ngày tải lên: 07/11/2012, 14:44

... coefficient of consolidation and end of primary settlement based on a direct solution of the Terzaghi theory This new method determines the coefficient of consolidation utilizing the entire range of consolidation ... study confirms that the identification of the experimental range of primary consolidation that corresponds to the Terzaghi theo...

Ngày tải lên: 21/03/2013, 14:09

... 11 .2 CaO(%) 6.3 MgO (%) 3.2 K2O (%) 0. 61 Na2O (%) 0.98 Figure Particle size distribution of fly ash 29_MAU_QUOC THO_5 d=3.352 01 150 14 0 13 0 12 0 11 0 90 80 d =1. 225 51 d =1. 38295 d =1. 37278 d =1. 8 217 1 ... materials CONCLUSION Using red mud and fly ash based on geopolymer technology to play an important role in physico-mechanical properties of unfire...

Ngày tải lên: 01/04/2013, 22:46