نتایج جستجو برای: cyclic carbodiimides

تعداد نتایج: 98478  

Journal: :Applied Surface Science 2021

The low energy densities of supercapacitors are generally limited by the used anodes. To develop with high densities, metal–organic framework (TRD-ZIF-8) derived honeycomb-like porous zinc carbodiimide (ZnNCN) based nanocomposites (HPZC) surface loaded graphitized carbon nitride (g-C3N4) synthesized. After their detailed characterization means electron microscopy, spectroscopy and electrochemic...

Journal: :Catalysts 2022

Magnesium alkyls such as butyl octyl magnesium and ethyl are used precursors for highly active water-free chloride support materials Ziegler–Natta catalysts. These show a high viscosity in hydrocarbon solvents which negatively affect their industrial application. Density functional theory (DFT) calculations supported the hypothesis that can form oligomeric chain structures responsible viscosity...

Journal: :Dalton transactions 2016
Antonio Antiñolo Fernando Carrillo-Hermosilla Rafael Fernández-Galán María Pilar Montero-Rama Alberto Ramos Elena Villaseñor Rene S Rojas Antonio Rodríguez-Diéguez

The synthesis of novel dialkylboron guanidinates is reported: the symmetrical compounds, (Me2N)C(NR)2BR'2 [R = iPr, R' = Nrb (1); R = Cy, R' = Nrb (2); R = iPr, R' = Cy (3); R = R' = Cy (4); R = 2,6-iPr2-C6H3; R' = Cy (5); Nrb = exo-2-norbornyl] and the asymmetrically coordinated {iPr(H)N}C(NiPr)(NAr)BCy2 [Ar = Ph (6), 4-Me-C6H4 (7), 4-tBu-C6H4 (8)] were prepared by the salt metathesis method f...

Journal: :Dalton transactions 2016
María-José Fernández-Rodríguez Eloísa Martínez-Viviente José Vicente Peter G Jones

The chelate complex [Pd(κ(2)-C,O-C6H4CH2O-2)(bpy)] () reacts with acetonitrile, cyanamides, or carbodiimides, in the presence of AgOTf (1 : 5 : 1 molar ratio) and residual water, to form complexes [Pd{κ(2)-C,N-C6H4{CH2OC([double bond, length as m-dash]NX)Y}-2}(bpy)](OTf), where X = H, Y = Me (), NMe2 (), NEt2 (), X = R, Y = NHR (R = (i)Pr (), Tol ()), as a result of the insertion of the unsatur...

Journal: :Acta biomaterialia 2012
Jonathan M Grasman Raymond L Page Tanja Dominko George D Pins

A significant challenge in the design of biomimetic scaffolds is combining morphologic, mechanical, and biochemical cues into a single construct to promote tissue regeneration. In this study, we analyzed the effects of different crosslinking conditions on fibrin biopolymer microthreads to create morphologic scaffolds with tunable mechanical properties that are designed for directional cell guid...

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