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C 60 ‐containing polymer complexes: Complexation between multifunctional 1‐(4‐methyl)piperazinyl‐fullerene or N ‐[(2‐piperidyl)ethyl]aminofullerene and proton‐donating polymers
Author(s) -
Goh S. H.,
Lee S. Y.,
Lu Z. H.,
Huan C. H. A.
Publication year - 2000
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/1521-3935(20000601)201:10<1037::aid-macp1037>3.0.co;2-7
Subject(s) - polymer chemistry , chemistry , protonation , polymer , x ray photoelectron spectroscopy , ionic bonding , methacrylic acid , organic chemistry , polymerization , chemical engineering , ion , engineering
Full Paper: Multifunctional 1‐(4‐methyl)piperazinylfullerene (MPF) and N ‐[(2‐piperidyl)ethyl]aminofullerene (PEAF) were prepared by nucleophilic addition of C 60 with amines. MPF and PEAF formed complexes with poly(styrenesulfonic acid) (PSSA), poly(vinylphosphonic acid) (PVPA), poly(acrylic acid) (PAA) or poly(methacrylic acid) (PMA), resulting in fullerene‐containing polymer complexes. All the complexes showed no distinct glass transitions up to the degradation temperatures. The PSSA complexes showed unusual thermal behavior. The interactions between the C 60 derivatives and the polymers were studied by X‐ray photoelectron spectroscopy (XPS). XPS shows that the nitrogen atoms in both MPF and PEAF are protonated by the polymers. The strong ionic interactions between the C 60 derivatives and the proton‐donating polymers led to the formation of complexes.