Compositions – Solvents
Patent
1998-09-08
1999-09-14
Harris Kelly, Cynthia
Compositions
Solvents
252 1, 585833, 585860, 585862, 423445B, C09K 3102, B01F 100, C01B 3100, C07C 700
Patent
active
059519169
ABSTRACT:
A solution comprising a polar solvent and C.sub.60 in which the solubility of C.sub.60 is at least 2 mg/ml of solvent. The polar solvent has a low toxicity, high boiling point, high thermal and electrochemical stability, low viscosity, low freezing point, a high dielectric constant, and is relatively inexpensive. Preferably the polar solvent is N-ethyl-2-pyrrolidone.
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R. S. Ruoff et al., "Solubility of C.sub.60 in a Variety of Solvents," J. Phys. Chem., 1993, 97, 3379-3383.
W. A. Scrivens et al., "Potent Solvents for C.sub.60 and their Utility for the Rapid Acquisition of .sup.13 C NMR Data for Fullerenes," J. Chem. Soc., Chem. Commun., 1993,1207-1209.
Journal of Electrochemical Society. vol. 139, No. 4; Entry 659 FUL "Solubility of Buckminsterfullerene, C.sub.60, in Water and Some Polar Organic Solvents by Cyclodextrin Inclusion Chemistry" W. Kutner et al, Apr. 1992.
Journal of Chemical Society "C.sub.60 Embedded in .gamma.-Cyclodextrin: A Water Soluble Fullerene" Thomas Andersson et al, 1992 (No Month Available).
Journal of Organic Chemistry. vol. 57; pp. 6077-6079. "Solubility of C.sub.60 in Organic Solvents" N. Sivaraman et al, 1992( No Month Available).
Chemical Physics Letters "Extraction of Giant Fullerene Molecules, and Their Subsequent Solvation in Low Boiling Point Solvents" C. Smart et al, Sep. 1991.
Kinard John T.
Melody Brian J.
Cross LaToya
Harris Kelly Cynthia
Kemet Electronics Corporation
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