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Materials 2014, 7(12), 8088-8104; doi:10.3390/ma7128088

Poly(2,5-bis(N-Methyl-N-Hexylamino)Phenylene Vinylene) (BAM-PPV) as Pretreatment Coating for Aerospace Applications: Laboratory and Field Studies

1
Naval Air Warfare Center Weapons Division (NAWCWD), Polymer Science & Engineering Branch (Code 4L4200D), 1900 N. Knox Road (Stop 6303), China Lake, CA 93555, USA
2
Air Force Research Laboratory/Logistics Systems Support Branch Coatings Technology Integration Office, UDRI Contractor Support, Bldg 1661, Rm C-110, Wright-Patterson AFB, University of Dayton Research Institute, Nonstructural Materials Division, 300 College Park, Dayton, OH 45469, USA
*
Author to whom correspondence should be addressed.
Received: 27 June 2014 / Revised: 18 November 2014 / Accepted: 4 December 2014 / Published: 17 December 2014
(This article belongs to the Special Issue Corrosion of Materials)
View Full-Text   |   Download PDF [560 KB, uploaded 17 December 2014]   |  

Abstract

In this study, an electroactive polymer (EAP), poly(2,5-bis(N-methyl-N-hexylamino)phenylene vinylene) (BAM-PPV) was investigated as a potential alternative surface pretreatment for hexavalent chromium (Cr(VI))-based aerospace coatings. BAM-PPV was tested as a pretreatment coating on an aerospace aluminum alloy (AA2024-T3) substrate in combination with a non-Cr(VI) epoxy primer and a polyurethane Advanced Performance Coating (APC) topcoat. This testing was undertaken to determine BAM-PPV’s adhesion, corrosion-inhibition, compatibility and survivability in laboratory testing and during outdoor field-testing. BAM-PPV showed excellent adhesion and acceptable corrosion performance in laboratory testing. The BAM-PPV aerospace coating system (BAM-PPV, non-Cr(VI) epoxy primer and polyurethane APC topcoat) was field tested for one year on the rear hatch door of the United States Air Force C-5 cargo plane. After one year of field testing there was no evidence of delamination or corrosion of the BAM-PPV aerospace coating system. View Full-Text
Keywords: poly(2,5-bis(N-methyl-N-hexylamino)phenylene vinylene) (BAM-PPV); hexavalent chromium (CrVI); passivation; accelerated weathering tests; field studies poly(2,5-bis(N-methyl-N-hexylamino)phenylene vinylene) (BAM-PPV); hexavalent chromium (CrVI); passivation; accelerated weathering tests; field studies
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zarras, P.; Buhrmaster, D.; Webber, C.; Anderson, N.; Stenger-Smith, J.D.; Goodman, P.A. Poly(2,5-bis(N-Methyl-N-Hexylamino)Phenylene Vinylene) (BAM-PPV) as Pretreatment Coating for Aerospace Applications: Laboratory and Field Studies. Materials 2014, 7, 8088-8104.

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