Novel organic-inorganic hybrid coatings prepared by the sol-gel process: corrosion and mechanical properties

(Hyperbranched polyurethane‐urea)/[(3‐aminopropyl)triethoxysilane]‐ZnO (HBPUU‐APTES‐ZnO) hybrid coatings were synthesized using an inexpensive mixing technique by varying the APTES‐modified ZnO concentration. The mechanical and surface properties of the hybrid coating films were studied and compared...

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Veröffentlicht in:Polymer international 2012-07, Vol.61 (7), p.1101-1106
Hauptverfasser: Jena, Kishore K, Rout, Tapan K, Narayan, Ramanuj, Raju, Kothapalli V S N
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container_end_page 1106
container_issue 7
container_start_page 1101
container_title Polymer international
container_volume 61
creator Jena, Kishore K
Rout, Tapan K
Narayan, Ramanuj
Raju, Kothapalli V S N
description (Hyperbranched polyurethane‐urea)/[(3‐aminopropyl)triethoxysilane]‐ZnO (HBPUU‐APTES‐ZnO) hybrid coatings were synthesized using an inexpensive mixing technique by varying the APTES‐modified ZnO concentration. The mechanical and surface properties of the hybrid coating films were studied and compared with unmodified and modified ZnO. The corrosion, solvent and abrasion resistance show significant enhancement in HBPUU‐APTES‐ZnO hybrids and their properties are increased with increasing APTES‐ZnO concentration. This hybrid coating has opened up an opportunity for automotive topcoat application. Copyright © 2012 Society of Chemical Industry The Netherlands (Hyperbranched polyurethane‐urea)/(3‐aminopropyl) triethoxysilane (HBPUU‐APTES‐ZnO) hybrid coatings are synthesized using inexpensive mixing technique by varying APTES‐modified ZnO concentration. The mechanical and surface properties of the hybrid coating films were studied and compared with unmodified and modified ZnO.
doi_str_mv 10.1002/pi.4187
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source Wiley Journals
subjects adhesion
Applied sciences
electrochemical impedance spectroscopy
Exact sciences and technology
hybrid coatings
hyperbranched
Physicochemistry of polymers
Polymer industry, paints, wood
polyurethane
Technology of polymers
title Novel organic-inorganic hybrid coatings prepared by the sol-gel process: corrosion and mechanical properties
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