METHOD FOR RECOVERY OF PULLERENS Russian patent published in 1999 - IPC

Abstract RU 2124473 C1

FIELD: production of materials of electronic equipment, technical lubricants. SUBSTANCE: method includes adding to carbon black, during mixing, organic solvent in the form of benzine, xylol, isopropyl alcohol, etc; removal of solvent; sublimation of compact carbon black in vacuum at pressure of 102 T and heating up to 580-800 C. Relation of C60 and C70 are 88-92 wt.% and 8-11.9 wt. %, respectively. Fraction of recovered fullerens amounts to 83-96%. EFFECT: higher efficiency.

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RU 2 124 473 C1

Authors

Moskalev P.N.

Grushko Ju.S.

Sedov V.P.

Dates

1999-01-10Published

1996-02-09Filed