Papers by Keyword: Myristic Acid

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Authors: Wen Jun Chen, Chi Bin Gui, Ji Sun
Abstract: Electrodes can absorb moisture easily so that the diffusible hydrogen is quite high in the weld bead. Fe3O4 powder is used to promote the reaction of myristic acid and the electrode surface, and reduce the diffusible hydrogen, because of its excellent microwave absorption property. Electrodes are immersed to the light petroleum solution which contains myristic and Fe3O4 particles, then they are put into the microwave oven and become water-resistant . The results of FT-IR and SEM microscope indicate that Fe3O4 powder absorb microwave and melt myristic acid to form the water-resistant film. The best ratio of myristic acid in the petroleum ether is 18% and the diffusible hydrogen of the deposited metal of microwave treated electrode decreased to 83% of the untreated electrode.
544
Authors: Shi Dong Li, Ren Yuan Zhang, Liang De Liu, Hao Yuan Zhong
Abstract: To research for application of thermodiode in energy storage solar water heater, experimental research on heat transfer of thermodiode using myristic acid as heat storage material was made, starting characteristics of thermodiode using acetone and R134a was compared. Especially for working fluid of R134a, influence of thermodiode on heat storage process of myristic acid was tested for under different working conditions such as thermodiode’s positions, liquid charge ratios, etc. Test result shows, thermodiode charged with R134a was quicker in start-up than the case of myristic acid; with liquid charge ratio of 80% , heat transfer coefficient was the highest; with an inclination angle η=30°C of thermodiode plane to horizontal plane, an inclination angle α=10°C of heating-evaporating section to horizontal line, 25W power input and a liquid charge ratio of 80%, average heat transfer coefficient was 113 W/(m2·K).
1028
Authors: Zhong Li, Shao Ming Yu, De Xin Tan, Tong He Yao
Abstract: A new type of shape stabilized phase change material (PCM) with good heat storage was produced by intercalating myristic acid (MA) with modifid montmorillonite (MMT). The structure, thermal properties of the composite PCM were determined by X-ray diffraction (XRD), Fourier transformation infrared (FTIR) and Differential Scanning Calorimetry (DSC) analysis technique. In the XRD analysis, expansions of the d spacings in the (001) plane were observed in all samples, indicating that the intercalation of MA in the interlayers of MMT was successfully achieved. The results of DSC indicated that the shape stabilized PCM displayed a high heat capacity (133.6 J.g-1)
935
Authors: Jie Chang, Yan Hui Ning, Su Li Wu, Shu Fen Zhang
Abstract: Myristic acid was employed as a new ligand in a facile hydrothermal method to synthesize nanosized nickel phosphide particles with controlled phases at different temperatures. The phases of the as-obtained products were determined by X-ray powder diffraction (XRD) patterns. The morphologies of the products were characterized by transmission electron microscopy (TEM). Experiments indicated that pure Ni2P phase could be prepared at 160°C for 10h when nontoxic red phosphorus and nickel dichloride were used as starting materials in the presence of myristic acid. While pure Ni12P5 phase could be prepared by increasing the reaction temperature to 200°C.
23
Authors: Lin Lin Liu, Yuan Li, Bao Wei Hao, Shi Zhao Wang
Abstract: Little attention has been paid to the nano-TiO2 as corrosion inhibitor before. In this paper, Myristic acid-modified nano-TiO2 (MA-TiO2) were synthesized by Myristic acid and tetrabutyl titanate via the sol-gel method, and it was characterized by IR and TEM. MA-TiO2 was dispersed in oil, and used as a corrosion inhibitor. From the Tafel plots and EIS spectra, we can know that the values of the current densities decreased by the addition of MA-TiO2. Because of the MA-TiO2 formed a deposition layer in the surface of 45# carbon steel panels, the current density of the the base oil with MA-TiO2 is much smaller than the base oil. The inhibition efficiency was over 90% with added 5 wt % TiO2.
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