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- W2022362377 abstract "In this paper, we report the study of the interactions between a poly(propylene-g-acrylic acid) and an oxidized aluminium surface by IR spectroscopy. A deposit of a pure poly(acrylic acid) on the same surface is used as a model. Under free acid form (COOH) we demonstrate the formation of hydrogen bondings between the acrylic carboxyl groups and OH functions located at the surface of alumina. This is characterized by an IR absorption [v(co)] at 1733 or 1743 cm−1 when we observe the metal surface either after peeling of a PPg(OH) film initially pressed on it or after a deposit of PAA(OH). Under the carboxylate form (COO−), we observe two modes of interaction, the one purely ionic between COO− and Al3+ with an absorption located near 1550 cm−1 and the other of complex form between COO− and Al3+ giving a band near 1610 cm−1. The water molecules can play a major part, in particular in the first case (COOH) where they destroy hydrogen bondings in favor of the formation of COO− groups, interacting with the metal surface according to ionic or complex modes as above. © 1993 John Wiley & Sons, Inc." @default.
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- W2022362377 date "1993-01-15" @default.
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- W2022362377 title "IR spectroscopy approach for the study of interactions between an oxidized aluminium surface and a poly(propylene-g-acrylic acid) film" @default.
- W2022362377 doi "https://doi.org/10.1002/app.1993.070470314" @default.
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