Results 41 to 50 of about 2,940,757 (378)

Effect of graphene oxide on mechanical properties of different rubbers: Experiment and molecular simulation

open access: yesHecheng xiangjiao gongye, 2023
Natural rubber (NR), styrene butadiene rubber (SBR), and carboxylated nitrile rubber (XNBR) were reinforced using graphene oxide (GO). The tensile properties and binding energy of three nanocomposites were studied through experiments and molecular ...
YANG Zi-fan1, MA Wen-xiu2, FU Quan-sheng1, WEN Yan-wei2, JIA Hong-bing1?鄢
doaj   +1 more source

Selection of elastomeric membranes for the removal of volatile organics from water [PDF]

open access: yes, 1993
A wide range of homogeneous elastomeric membranes has been prepared using dicumylperoxide as a general cross-linking agent. The membranes have been used for both equilibrium sorption measurements and steady-state pervaporation experiments to study ...
Mulder, M.H.V.   +4 more
core   +2 more sources

Preliminary Study on Effect of Chemical Composition Alteration on Elastic Recovery and Stress Recovery of Nitrile Gloves

open access: yesMATEC Web of Conferences, 2018
Nitrile gloves are widely used in the medical and automobile field due to its superiority in hypo-allergic component and chemical resistance over natural latex gloves.
Tan Kai Yang   +6 more
doaj   +1 more source

Site- and Regioselectivity of Nitrile Oxide-Allene Cycloadditions: DFT-Based Semiquantitative Predictions.

open access: yesJournal of Organic Chemistry, 2017
Nitrile oxide 1,3-dipolar cycloaddition to arylsulfonyl- and dialkylaminoallenes have been investigated within the framework of the Kohn-Sham density functional theory (DFT) at the B3LYP/6-31G(d,p) level. The hitherto-unexplained experimental behavior of
G. Molteni, A. Ponti
semanticscholar   +1 more source

The Molecular Mechanism of the Formation of Four-Membered Cyclic Nitronates and Their Retro (3 + 2) Cycloaddition: A DFT Mechanistic Study

open access: yesMolecules, 2021
In the present work, the formation of the four-membered cyclic nitronates and the retro (3 + 2) cycloaddition (retro-32CA) reaction of the 4H-[1,2]oxazete 2-oxide were studied using the density functional theory method at the MPWB1K/6-311G(d,p ...
Agnieszka Kącka-Zych
doaj   +1 more source

In Situ Electrochemical SFG/DFG Study of CN-- and Nitrile Adsorption at Au from 1-Butyl-1-methyl-pyrrolidinium Bis(trifluoromethylsulfonyl) Amide Ionic Liquid ([BMP][TFSA]) Containing 4-{2-[1-(2-Cyanoethyl)-1,2,3,4-tetrahydroquinolin-6-yl]diazenyl} Benzonitrile (CTDB) and K[Au(CN)$_2$] [PDF]

open access: yesMolecules, MDPI, 2012, 17 (7), pp.7722-7736, 2019
In this paper we report an in situ electrochemical Sum-/Difference Frequency Generation (SFG/DFG) spectroscopy investigation of the adsorption of nitrile and CN -- from the ionic liquid 1-butyl-1-methyl-pyrrolidinium bis(trifluoromethylsulfonyl) amide ([BMP][TFSA]) containing 4-{2-[1-(2-cyanoethyl)-1,2,3,4-tetrahydroquinolin-6-yl]-diazenyl ...
arxiv   +1 more source

Synthesis of 3,4-Dibenzyltetrahydrofuran Lignans (9,9′-Epoxylignanes)

open access: yesMolecules, 2013
Different strategies for the racemic or enantiospecific total syntheses of plant and mammalian 3,4-dibenzyltetrahydrofuran lignans are reviewed and compared.
Kristiina Wähälä, Monika Pohjoispää
doaj   +1 more source

Molecular precursors of the RNA-world in space: new nitriles in the G+0.693-0.027 molecular cloud [PDF]

open access: yesarXiv, 2022
Nitriles play a key role as molecular precursors in prebiotic experiments based on the RNA-world scenario for the origin of life. These chemical compounds could have been partially delivered to the young Earth from extraterrestrial objects, stressing the importance of establishing the reservoir of nitriles in the interstellar medium. We report here the
arxiv  

Identification of an Active Site-bound Nitrile Hydratase Intermediate through Single Turnover Stopped-flow Spectroscopy [PDF]

open access: yes, 2013
Stopped-flow kinetic data were obtained for the iron-type nitrile hydratase from Rhodococcus equi TG328-2 (ReNHase) using methacrylonitrile as the substrate.
Gumataotao, Natalie   +3 more
core   +2 more sources

The rapid generation of isothiocyanates in flow

open access: yesBeilstein Journal of Organic Chemistry, 2013
Isothiocyanates are versatile starting materials for a wide range of chemical reactions. However, their high nucleophilic susceptibility means they are best prepared and used immediately.
Marcus Baumann, Ian R. Baxendale
doaj   +1 more source

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