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Sunday, 22 September 2019
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Raw materials & technologies, Technologies, Nanotechnology

Waterbased coatings containing nanoparticles inhibit corrosion

Wednesday, 26 February 2014

A new type of anticorrosive water-based paints containing conducting polymers nanoparticles (CPNs) have been evaluated by Egypt researchers.

The presence of the prepared CPNs and CCPNs protects against corrosion

Source: Fotolia/ Sasha Radosavljevic

The presence of the prepared CPNs and CCPNs protects against corrosion

Source: Fotolia/ Sasha Radosavljevic

The scientists from Polymers and Pigments Department, National Research Center, Cairo, synthesized the CPNs such as poly anisidine (PAns), poly toluidine (PTol) and their copolymer (CCPNs) via miniemulsion polymerization. They characterized the prepared materials by GPC, FTIR, TEM and DSC. The prepared CPNs and CCPNs of different weight percentages (wt.%) have been incorporated into paint formulations.

CPNs enhanced resistance against weathering

It has been found that the presence of the prepared CPNs and CCPNs in the paint formulations highly enhanced the resistance of the formed paint films against washability, weathering and corrosion.

The study is published in: Progress in Organic Coatings, Volume 77, Issue 3, Pages 725-732

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