C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 31/00 (2006.01) C01B 31/02 (2006.01) C07C 63/70 (2006.01) C07C 205/41 (2006.01) C07C 215/44 (2006.01) C07C 219/24 (2006.01) C07C 233/21 (2006.01) C08G 61/00 (2006.01) C08G 63/16 (2006.01) C08J 3/24 (2006.01) C08L 67/00 (2006.01)
Patent
CA 2079957
- 21 - ABSTRACT OF THE DISCLOSURE One embodiment of the present invention is directed to polysubstituted fullerene moieties having a plurality of substituents thereon, selected from the group consisting of hydroxy, oxide, nitro, amino, organocarboxy, amide, and mixtures thereof. Another embodiment is directed toward the preparation of the novel polysubstituted fullerenes. The method of forming polysubsti- tuted fullerenes comprises contacting fullerenes with an electrophilic reagent such as nitronium ion or an organic peracid. When the elec- trophilic agent is nitronium ion, the fullerene is further contacted with a nucleophilic reagent. Polysubstituted fullerenes comprise a fullerene moiety selected from fullerenes or mixtures thereof having a plurality of substituents thereon. The polysubstituted fullerenes are particularly useful as cross-linking agents in polymers and/or as core building blocks of star polymers.
Chiang Long Y.
Swirczewski John W.
Upasani Ravindra B.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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