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There are a total of 47 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Novel Anthracene Diimide Fluorescent Sensor
Author(s): Tyson, Daniel S.; Carbaugh, Ashley D.; Ilhan, Faysal; Santos-Perez, Javier; Meador, Michael A.
Abstract: Aromatic imides and diimides have attracted considerable attention in molecular electronics, as fluorescent probes in biological systems, and as sensors for the detection of chemical species. With a few exceptions, these ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-30
Document ID: 20090004680; Report Number: E-16854
Nanocomposites in Aerospace Applications
Author(s): Meador, Michael A.
Abstract: Weight, durability, and functionality are critical concerns for any aerospace system. Reductions in aircraft weight can enable increased payload capacity, improved maneuverability and decreased fuel consumption and ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2009-01-30
Document ID: 20090004681; Report Number: E-16855
Polymeric Materials for Aerospace Power and Propulsion-NASA Glenn Overview
Author(s): Meador, Michael A.
Abstract: Use of lightweight materials in aerospace power and propulsion components can lead to significant reductions in vehicle weight and improvements in performance and efficiency. Polymeric materials are well suited for many of ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2008-12-25
Document ID: 20080047425
Aromatic Diimides - Potential Dyes for Use in Smart Films and Fibers
Author(s): Meador, Michael A.; Tyson, Daniel S.; Ilhan, Faysal; Carbaugh, Ashley
Abstract: New aromatic diimide fluorescent dyes have been prepared with potential for use as chemical sensors and in chromogenic polymers. These dyes have been designed to utilize excited state electron transfer reactions as the means ...
NASA Center: Glenn Research Center
Publication Year: 2008
Added to NTRS: 2008-12-25
Document ID: 20080047424
PMR Extended Shelf Life Technology Given 2000 R and D 100 Award
Author(s): Meador, Michael A.
Abstract: An approach developed at the NASA Glenn Research Center for extending the shelf life of PMR polyimide solutions and prepregs received an R&D 100 Award this year. PMR polyimides, in particular PMR-15, have become ...
NASA Center: Glenn Research Center
Publication Year: 2001
Added to NTRS: 2008-06-02
Document ID: 20050196558
An Approach to Processable Polyimides
Author(s): Gariepy, Christopher A.; Eby, R. K.; Meador, Michael A.
Abstract: The use of polymer matrix composites (PMC's) in aircraft engines can lead to substantial weight savings over metals. This weight reduction correlates into better fuel economy, increased speed, and increased passenger load. ...
NASA Center: Glenn Research Center
Publication Year: 1999
Added to NTRS: 2008-06-02
Document ID: 20000012405
Novel Ultraviolet-Light-Curable Polyimides
Author(s): Meador, Michael A.
Abstract: Polyimides have found broad application in fiber-reinforced composites for aerospace components and as thin films for electronics packaging. Typical routes to processing these materials require temperatures above 200 C. As a ...
NASA Center: Glenn Research Center
Publication Year: 1999
Added to NTRS: 2008-06-02
Document ID: 20050186914
Diels-Alder Trapping of Photochemically Generated Dienes with Acrylic Esters: A Novel Approach to Photocured Polymer Film Development
Author(s): Ilhan, Faysal; Tyson, Daniel S.; Smith, Deedee; Meador, Mary Ann; Meador, Michael A.
Abstract: Diels-Alder cycloadditions have often been utilized in polymer synthesis as an alternative to condensation reactions. In our earlier efforts, we developed a new method for the preparation of linear aromatic polyimides, which ...
NASA Center: Glenn Research Center
Publication Year: 2004
Added to NTRS: 2008-06-02
Document ID: 20050123611; Report Number: E-14340
Mechanical and Electrical Properties of a Polyimide Film Significantly Enhanced by the Addition of Single-Wall Carbon Nanotubes
Author(s): Meador, Michael A.
Abstract: Single-wall carbon nanotubes have been shown to possess a combination of outstanding mechanical, electrical, and thermal properties. The use of carbon nanotubes as an additive to improve the mechanical properties of polymers ...
NASA Center: Glenn Research Center
Publication Year: 2005
Added to NTRS: 2008-06-02
Document ID: 20050217165
High Temperature Polymeric Materials for Space Transportation Propulsion Applications
Author(s): Meador, Michael A.; Campbell, Sandi G.; Chuang, Kathy C.; Scheimann, Daniel A.; Mintz, Eric; Hylton, Donald; Veazie, David; Criss, James; Kollmansberg, Ron; Tsotsis, Tom
Abstract: High temperature polymer matrix composites are attractive materials for space transporation propulsion systems because of their low density and high specific strength. However, the relatively poor stability and ...
NASA Center: Glenn Research Center
Publication Year: 2003
Added to NTRS: 2008-06-02
Document ID: 20040020118
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