Development and Performance Evaluation of Corrosion Resistance Self-Healing Coating
Author(s) -
Akshya Kumar Guin,
Suryakanta Nayak,
Manish Kumar Bhadu,
Veena Singh,
Tapan Kumar Rout
Publication year - 2014
Publication title -
isrn corrosion
Language(s) - English
Resource type - Journals
ISSN - 2090-8903
DOI - 10.1155/2014/979323
Subject(s) - coating , materials science , self healing , composite material , corrosion , urea formaldehyde , polymer , core (optical fiber) , layer (electronics) , medicine , alternative medicine , adhesive , pathology
Polymer based nanocapsule was developed using core-cell approach, where the core material was methyl diphenyl diisocyanate and the cell material was urea-formaldehyde. The synthesized capsules of 100 to 800 nm size were incorporated into sol-gel matrix to prepare a final coating for steel protection. This coating was found protecting the steel at the damage or crack locations in 3.5% NaCl solution. SEM micrographs confirmed healing of the coating at the damage or crack points.
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