Surface carboxylation of PEEK film by selective wet-chemistry
作者： Catherine Henneuse , Bernard Goret , Jacqueline Marchand-Brynaert
DOI: 10.1016/S0032-3861(97)00362-5
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摘要: Surface carboxylated PEEK films were obtained from a common key-intermediate, the PEEK-OH film, resulting surface reduction of amorphous film. Substitution hydroxyl groups, under mild acidic conditions, with 4-aminobenzoic acid and succinamic gave PEEK-Ph-CO2H PEEK-(CH2)(2)-CO2H in 38% 70% yields, respectively. The sample surfaces analysed by X-ray photoelectron spectroscopy. reactivity was assayed activation WSC, SOCl2 or CDI, followed coupling to H-3-lysine liquid scintillation counting radioactivity associated samples. (C) 1997 Elsevier Science Ltd.
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