Articles with "molar ratio" as a keyword



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Ladder-Like Aromatic Imide-Functionalized Poly(silsesquioxane): Preparation and Characterization via the Sol–Gel Route

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Published in 2017 at "Advances in Polymer Technology"

DOI: 10.1002/adv.21576

Abstract: A ladder-like polysilsesquioxane (PSSQ) has been synthesized by reacting pyromellitic acid anhydride (PMDA) with (3-aminopropyl)triethoxysilane (APTES), yielding the corresponding poly(amic acid) (PAA). The as-prepared PAA was converted to an imide-functionalized PSSQ by thermal treatment at… read more here.

Keywords: ladder like; molar ratio; aptes molar; imide functionalized ... See more keywords
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Influence of diisocyanate, glycidol and polyol molar ratios on the mechanical and thermal properties of glycidyl‐terminated biobased polyurethanes

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Published in 2017 at "Polymer International"

DOI: 10.1002/pi.5412

Abstract: A series of epoxy terminated polyurethanes (EPUs) were synthesized from castor oil, 4, 4’methylene bis (cyclohexyl isocyanate) (H12MDI) and 2,3 epoxy-1-propanol (glycidol) by changing the molar ratio of H12MDI: glycidol to polyol. FTIR, 1HNMR and… read more here.

Keywords: diisocyanate glycidol; glycidol; molar ratio; glycidol polyol ... See more keywords
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Theoretical calculation into the effect of molar ratio on the structures, stability, mechanical properties and detonation performance of 1,3,5,7-tetranitro-1,3,5,7-tetrazocane/ 1,3,5-trinitro-1,3,5-triazacyco-hexane cocrystal

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Published in 2019 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-019-4181-6

Abstract: Molecular dynamics (MD) simulation was conducted to research the effect of molar ratio on the thermal stability, mechanical properties, and detonation performance of HMX (1,3,5,7-tetranitro-1,3,5,7-tetrazocane)/RDX (1,3,5-trinitro-1,3,5-triazacyco-hexane) cocrystal explosive at ambient condition. The binding energy, mechanical… read more here.

Keywords: molar ratio; rdx; ratio; mechanical properties ... See more keywords
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Investigation of structural, morphological and optical properties of cadmium sulphide (CdS) thin films at different Cd/S concentration deposited by chemical technique

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-7746-0

Abstract: CdS thin films with different Cd/S molar ratios have been prepared on glass substrates at 200 °C using simple and cost effective chemical technique having Cadmium Acetate Dihydrate (C4H8CdO4·2H2O) and Thiourea (CH4N2S) salts as sources for… read more here.

Keywords: thin films; molar ratio; chemical technique; films different ... See more keywords
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Preparation and electrochemical properties of nanorods and nanosheets structural Li4Ti5O12 as anode for lithium ion batteries

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-9378-4

Abstract: In this study, nanorods and nanosheets structure of Li4Ti5O12 (LTO) with higher capacity and cycle performance are prepared by hydrothermal synthesis. We can obtain different nanostructural LTO by changing heating time in autoclave and molar… read more here.

Keywords: molar ratio; electrochemical properties; preparation electrochemical; properties nanorods ... See more keywords
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Effect of molar ratio on the microstructure, dielectric and multiferroic properties of Ni0.5Zn0.5Fe2O4-Pb0.8Zr0.2TiO3 nanocomposite

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-9712-x

Abstract: In the present work, Ni0.5Zn0.5Fe2O4/Pb0.8Zr0.2TiO3 nanocomposite with different molar ratio (1: 2, 1: 3, 1: 5, 1: 7) was prepared by hydrothermal method and sol–gel method, and the effect of molar ratio on the microstructure,… read more here.

Keywords: molar ratio; 8zr0 2tio3; ratio; multiferroic properties ... See more keywords
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Strong magnetic properties and enhanced coupling effect by tailoring the molar ratio in BaTiO3/Co0.5Mg0.3Zn0.2Fe2O4 composite ceramics

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Published in 2019 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-019-01513-8

Abstract: BTO/CMZFO composite ceramics with different molar ratios (the molar of BTO to that of CMZFO) (3:1, 2:1, 1:1, 1:2, 1:3) were prepared by conventional solid state reaction method. Effects of molar ratio on the dielectric,… read more here.

Keywords: cmzfo; molar ratio; magnetic properties; ratio ... See more keywords
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Mercury interactions with selenium and sulfur and the relevance of the Se:Hg molar ratio to fish consumption advice

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Published in 2021 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-021-12361-7

Abstract: Eating fish is often recommended as part of a healthful diet. However, fish, particularly large predatory fish, can contain significant levels of the highly toxic methylmercury (MeHg). Ocean fish in general also contain high levels… read more here.

Keywords: molar ratio; consumption advice; ratio; toxicity ... See more keywords
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The influence of the NCO/OH ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the properties of waterborne polyurethane dispersions based on 1,5-pentamethylene diisocyanate

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Published in 2018 at "Frontiers of Chemical Science and Engineering"

DOI: 10.1007/s11705-018-1763-2

Abstract: Abstract1,5-Pentamethylene diisocyanate, a novel aliphatic diisocyanate formed from bio-based 1,5-pentamethylenediamine, has been used as a hard segmented material to synthesize polyurethane. In this study, several waterborne polyurethane (WPU) dispersions have been successfully prepared by a… read more here.

Keywords: molar ratio; ratio; pentamethylene diisocyanate; waterborne polyurethane ... See more keywords
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Intensification of oxidative desulfurization of gas oil by ultrasound irradiation: Optimization using Box–Behnken design (BBD)

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Published in 2017 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2016.10.015

Abstract: Abstract In the present work, ultrasound assisted oxidative desulfurization (UAOD) of gas oil as the feedstock with sulfur content of 2210 ppmw was investigated using a mixture of hydrogen peroxide and formic acid as the oxidant… read more here.

Keywords: molar ratio; gas; process; gas oil ... See more keywords
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Surface chemistry and structure evaluation of Mg/Al and Mg/Fe LDH derived from magnesite and dolomite in comparison to LDH obtained from chemicals

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Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.147923

Abstract: Abstract Multiple attempts have been made to lower the cost of the adsorbents for the wastewater treatment. This work investigated the possibility of obtaining Mg/Al and Mg/Fe LDH without excessive use of chemical reagents, by… read more here.

Keywords: magnesite dolomite; molar ratio; chemical reagents; surface chemistry ... See more keywords