Reactive carbon black having active phen
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N. Tsubokawa; M. Hosoya
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Article
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1991
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Elsevier Science
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The introduction of active phenyl ester groups onto carbon black, such as p-nitrophenyl ester and pentachlorophenyl ester groups, was achieved by the reaction of carboxyl groups on the surface with the corresponding phenols by use of N,N '-dicyclohexylcarbodiimide as a coupling agent. The amounts of