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51316-7310-Development of Self-Healing Coatings using Encapsulated Linseed Oil and Tung Oil as Healing Agents

Encapsulation of Linseed Oil & Tung Oil in urea-formaldehyde shells was performed using in-situ polymerization technique.  Thin film self-healing coatings with uniform and quick self-healing ability were achieved with microcapsules at concentration of 3 wt%. Anti-corrosive performance was evaluated using immersion test & electrochemical impedance spectroscopy (EIS).

Product Number: 51316-7310-SG
ISBN: 7310 2016 CP
Author: Karan Thanawala
Publication Date: 2016
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Encapsulation of Linseed Oil and Tung Oil in urea-formaldehyde shells was performed using in-situ polymerization technique. Optimization of process parameters for preparation of microcapsules were carried out using calculated amounts of oil and urea-formaldehyde, that were subjected to formation of spherical microcapsules of 25-45 μm size, that depend on the reaction time and stirring speed. The microcapsules thus prepared were analyzed using optical microscopy (OM), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR), for ensuring the encapsulation of oil in the thin shells of urea-formaldehyde. Thin film self-healing coatings with uniform and quick self-healing ability were achieved with microcapsules at an optimized concentration of 3 wt%. The anti-corrosive performance was evaluated using immersion test and electrochemical impedance spectroscopy (EIS).

Key words: downloadable, self-healing coatings, microcapsules, anti-corrosive coatings, electrochemistry

 

 

Encapsulation of Linseed Oil and Tung Oil in urea-formaldehyde shells was performed using in-situ polymerization technique. Optimization of process parameters for preparation of microcapsules were carried out using calculated amounts of oil and urea-formaldehyde, that were subjected to formation of spherical microcapsules of 25-45 μm size, that depend on the reaction time and stirring speed. The microcapsules thus prepared were analyzed using optical microscopy (OM), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR), for ensuring the encapsulation of oil in the thin shells of urea-formaldehyde. Thin film self-healing coatings with uniform and quick self-healing ability were achieved with microcapsules at an optimized concentration of 3 wt%. The anti-corrosive performance was evaluated using immersion test and electrochemical impedance spectroscopy (EIS).

Key words: downloadable, self-healing coatings, microcapsules, anti-corrosive coatings, electrochemistry

 

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