{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T01:07:53Z","timestamp":1790644073143,"version":"4.1.0"},"reference-count":74,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2019,9,18]],"date-time":"2019-09-18T00:00:00Z","timestamp":1568764800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100007458","name":"Qatar Foundation","doi-asserted-by":"publisher","award":["NPRP9-080-2-039"],"award-info":[{"award-number":["NPRP9-080-2-039"]}],"id":[{"id":"10.13039\/100007458","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004252","name":"Qatar University","doi-asserted-by":"publisher","award":["QUCG-CAM-2018\/2019-3"],"award-info":[{"award-number":["QUCG-CAM-2018\/2019-3"]}],"id":[{"id":"10.13039\/501100004252","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>Multifunctional nanocomposite coatings were synthesized by reinforcing a polymeric matrix with halloysite nanotubes (HNTs) loaded with corrosion inhibitor (NaNO3) and urea formaldehyde microcapsules (UFMCs) encapsulated with a self-healing agent (linseed oil (LO)). The developed polymeric nanocomposite coatings were applied on the polished mild steel substrate using the doctor\u2019s blade technique. The structural (FTIR, XPS) and thermogravimetric (TGA) analyses reveal the loading of HNTs with NaNO3 and encapsulation of UFMCs with linseed oil. It was observed that self-release of the inhibitor from HNTs in response to pH change was a time dependent process. Nanocomposite coatings demonstrate decent self-healing effects in response to the external controlled mechanical damage. Electrochemical impedance spectroscopic analysis (EIS) indicates promising anticorrosive performance of novel nanocomposite coatings. Observed corrosion resistance of the developed smart coatings may be attributed to the efficient release of inhibitor and self-healing agent in response to the external stimuli. Polymeric nanocomposite coatings modified with multifunctional species may offer suitable corrosion protection of steel in the oil and gas industry.<\/jats:p>","DOI":"10.3390\/polym11091519","type":"journal-article","created":{"date-parts":[[2019,9,18]],"date-time":"2019-09-18T11:01:15Z","timestamp":1568804475000},"page":"1519","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":81,"title":["Self-Healing Performance of Multifunctional Polymeric Smart Coatings"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3814-9225","authenticated-orcid":false,"given":"Sehrish","family":"Habib","sequence":"first","affiliation":[{"name":"Center of Advanced Materials (CAM), Qatar University, 2713 Doha, Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7860-1311","authenticated-orcid":false,"given":"Adnan","family":"Khan","sequence":"additional","affiliation":[{"name":"Center of Advanced Materials (CAM), Qatar University, 2713 Doha, Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muddasir","family":"Nawaz","sequence":"additional","affiliation":[{"name":"Center of Advanced Materials (CAM), Qatar University, 2713 Doha, Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mostafa","family":"Sliem","sequence":"additional","affiliation":[{"name":"Center of Advanced Materials (CAM), Qatar University, 2713 Doha, Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3397-5309","authenticated-orcid":false,"given":"Rana","family":"Shakoor","sequence":"additional","affiliation":[{"name":"Center of Advanced Materials (CAM), Qatar University, 2713 Doha, Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1675-4993","authenticated-orcid":false,"given":"Ramazan","family":"Kahraman","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, Qatar University, 2713 Doha, Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aboubakr","family":"Abdullah","sequence":"additional","affiliation":[{"name":"Center of Advanced Materials (CAM), Qatar University, 2713 Doha, Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Atef","family":"Zekri","sequence":"additional","affiliation":[{"name":"Qatar Energy and Environment Research Institute, Hamad Bin Khalifa University, Qatar Foundation, 34110 Doha, Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2019,9,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1016\/j.colsurfa.2018.05.072","article-title":"A novel acid-responsive HNTs-based corrosion inhibitor for protection of carbon steel","volume":"553","author":"Xing","year":"2018","journal-title":"Colloids Surf. 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