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Study of Chemical Interactions at the Stainless Steel / Polymer Interface by Infrared Spectroscopy

Published online by Cambridge University Press:  15 February 2011

S. Thery ,
M. Mantel  and
D. Jacquet
S. Thery
Affiliation:
IRSID, BP 50, 42702 Firminy, France
M. Mantel
Affiliation:
UGINE SAVOIE, Av. P.Girod, 73403 Ugine, France
D. Jacquet
Affiliation:
IRSID, BP 50, 42702 Firminy, France
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Abstract

The interfacial interaction of a thermoplastic copolymer ethylene-maleic anhydride with stainless steel has been studied by infrared spectroscopie techniques (FTIR) in order to improve the durability of steel/polymer association, by modifying formulation of polymer or surface treatment of stainless steel.

In order to be successful, an analytical methodology has been established. Interfacial chemical actions of maleic anhydride with stainless steel are simulated through thin layer of succinic anhydride on polished metal surface. FTIR spectroscopie (grazing angle) permit a direct access ot interphase for identifying new bounds between organic and metallic compounds.

Interaction of succinic anhydride with the polar OH groups of the oxidized metal surface follawed a reactional mechanism which can be described by two steps:

- opening of the anhydrid ring for reacting with adsorbed water and formation of acid group (-COOH),

- reaction of acid group with hydroxylic fraction of metal surface and formation of carboxylate anion (-COO-) groups.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 304: Symposium H – Polymer/Inorganic Interfaces , 1993 , 207
Copyright
Copyright © Materials Research Society 1993

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