Journal ArticleDOI
Characterization of organic material in coal by proton-decoupled 13C nuclear magnetic resonance with magic-angle spinning
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TLDR
In this article, the authors used high-power proton decoupling, cross polarization and magic-angle spinning to obtain the carbon distribution between aromatic and non-aromatic structures in coal samples.About:
This article is published in Fuel.The article was published on 1979-05-01. It has received 140 citations till now. The article focuses on the topics: Magic angle spinning & Carbon.read more
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From coal to single-stage and two-stage products: A reactive model of coal structure
TL;DR: In this paper, a detailed chemical analysis of coal and products from various liquefaction schemes is presented to show the steps in the conversion process, and the nature of the products.
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PA-6 clay nanocomposite hybrid as char forming agent in intumescent formulations
TL;DR: In this article, a flame retardant (FR) intumescent formulations for ethylene-vinyl acetate copolymers (EVA) using charring polymers polyamide-6 (PA-6) and polyamide6 clay nanocomposite hybrid was used as carbonization agents.
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Carbonization mechanisms resulting from intumescence-part II. Association with an ethylene terpolymer and the ammonium polyphosphate-pentaerythritol fire retardant system
TL;DR: In this article, the carbonization resulting from an intumescence phenomenon of the fire-retardant formulation: ethylene terpolymer-ammonium polyphosphate/pentaerythritol was studied.
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Chemistry of carbonization
TL;DR: In this article, the chemistry of carbonization has been investigated using advanced analytical techniques such as: chromatographic methods, thermal analysis, mass spectroscopy, and electron and nuclear magnetic resonance.
Journal ArticleDOI
The Structure of Hexane Soot I: Spectroscopic Studies:
TL;DR: In this article, the composition and surface structure of soot derived from the combustion of n-hexane have been examined by FT-IR, Raman, 13C CP/MAS NMR, and EPR spectroscopies.
References
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Proton‐enhanced NMR of dilute spins in solids
TL;DR: In this article, the NMR signals of isotopically or chemically dilute nuclear spins S in solids can be enhanced by repeatedly transferring polarization from a more abundant species I of high abundance (usually protons) to which they are coupled.
Journal ArticleDOI
Carbon-13 nuclear magnetic resonance of polymers spinning at the magic angle
Related Papers (5)
Estimation of coal aromaticities by proton-decoupled carbon-13 magnetic resonance spectra of whole coals
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