CORROSION-INHIBITING BEHAVIOR OF EPOXIDIZED NATURAL RUBBER–POLYANILINE DODECYLBENZENESULFONATE (ENR-PANI.DBSA) BLENDS

Author:

Yong K. C.1

Affiliation:

1. Technology & Engineering Division, Rubber Research Institute of Malaysia, Malaysian Rubber Board, 47000 Sungai Buloh, Selangor, Malaysia

Abstract

ABSTRACT Electrically conductive (up to 10−1 S cm−1) ENR-PAni.DBSA blends were produced, and their corrosion-inhibiting behaviors for carbon steel were successfully investigated. As observed from both total immersion and electrochemical corrosion tests, ENR-PAni.DBSA blends consisted of very low and very high PAni.DBSA contents (i.e., ≤5.0 wt% and ≥40.0 wt%) and showed poor corrosion-inhibiting behavior for carbon steel, either in acid or artificial brine environment. Meanwhile, blends with 10.0 to 30.0 wt% of PAni.DBSA content exhibited the best corrosion-inhibiting behavior for carbon steel.

Publisher

Rubber Division, ACS

Subject

Materials Chemistry,Polymers and Plastics

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