Microheterogeneity of solvent-swollen coal probed by proton spin diffusion

Koyo Norinaga, Hayashi Jun-Ichiro, Tadatoshi Chiba, Masashi Iino

Research output: Contribution to journalArticle

Abstract

Phase separated structure of solvent swollen coal was characterized thorough its property of proton flip-flop spin diffusion. It is shown that the fashion of coal swelling is non-uniform on a segmental scale and a microscopic phase separation does take place on a scale from several to 20 nm even in good solvents like pyridine.

Original languageEnglish
Pages (from-to)591-594
Number of pages4
JournalACS Division of Fuel Chemistry, Preprints
Volume44
Issue number3
Publication statusPublished - Dec 1 1999

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Protons
Coal
Flip flop circuits
Phase structure
Phase separation
Pyridine
Swelling

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

Microheterogeneity of solvent-swollen coal probed by proton spin diffusion. / Norinaga, Koyo; Jun-Ichiro, Hayashi; Chiba, Tadatoshi; Iino, Masashi.

In: ACS Division of Fuel Chemistry, Preprints, Vol. 44, No. 3, 01.12.1999, p. 591-594.

Research output: Contribution to journalArticle

Norinaga, Koyo ; Jun-Ichiro, Hayashi ; Chiba, Tadatoshi ; Iino, Masashi. / Microheterogeneity of solvent-swollen coal probed by proton spin diffusion. In: ACS Division of Fuel Chemistry, Preprints. 1999 ; Vol. 44, No. 3. pp. 591-594.
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