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6. Apr 2021 | Production & Lab

Recent advances of polyaniline composites

A new review article summarises the problems encountered in the preparation of polyaniline composites in anticorrosive coatings and lists the corresponding solutions.
The authors provide guidance for the further application of polyaniline in anti-corrosion coatings.
Image source: Gordon Bussiek - Fotolia (symbol image).

Polyaniline (PANI), as a representative of conductive polymers, has been widely used in anti-corrosion coatings. However, polyaniline has some disadvantages, such as poor dispersion, poor mechanical properties, conductive deactivation and even accelerating metal corrosion, which limit the further application of PANI in anticorrosion industry. This new article summarises the setbacks encountered in the study of polyaniline coatings and proposes improved methods respectively, and provides suggestions for further research on polyaniline in the future.

Guidance for the further application of polyaniline

Meanwhile, polyaniline composites have outstanding performance in the fields of smart coatings, superhydrophobic coatings, antibacterial coatings, electromagnetic interference shielding coatings, and fire-resistant coatings in the past two decades. The authors also summarise the research ideas, preparation methods and corresponding optimisation measures of coatings in different fields, and provide guidance for the further application of polyaniline in anti-corrosion coatings.

The review has been published in Progress in Organic Coatings, Volume 151, February 2021.

EC Library Anticorrosive Coatings

Books

Anticorrosive Coatings

This book brings together all the disciplines involved in the creation and use of corrosion protection coatings for metals. It presents the latest insights into the quality and chemistry of surfaces, the proper way to prepare them by conversion treatment, the function of resins and anticorrosion pigments in paints, and novel concepts in corrosion protection. As an added bonus, all the standards and directives mentioned in the text are grouped together in their own chapter for a better overview.

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