Search Results - "MEADOR, M. A. B"

On the Oxidative Degradation of Nadic End-Capped Polyimides. 3. Synthesis and Characterization of Model Compounds for End-Cap Degradation Products by Meador, Mary Ann B, Johnston, J. Christopher, Frimer, Aryeh A, Gilinsky-Sharon, Pessia

“…The oxidative degradation of PMR (for polymerization of monomeric reactants) polyimides at elevated temperatures was followed by cross-polarized magic angle…”
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Lower temperature curing thermoset polyimides utilizing a substituted norbornene endcap by Waters, John F, Sukenik, Chaim N, Kennedy, Vance O, Livneh, Mordechai, Youngs, Wiley J, Sutter, James K, Meador, Mary Ann B, Burke, Luke A, Ahn, Myong K

“…Methoxycarbonyl bridgehead substituted nadic diacid monomethyl ester, when used as an endcapping monomer, lowered the cure temperature of thermoset PMR…”
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Investigation of oxidation profile in PMR-15 polyimide using atomic force microscope (AFM) by Johnson, Lili L, Eby, R.K, Meador, Mary Ann B

“…Nanoindentation measurements are made on thermosetting materials using cantilever deflection vs. piezoelectric scanner position behavior determined by atomic…”
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Tailoring Silicon Oxycarbide Glasses for Oxidative Stability by Hurwitz, F I, Meador, MAB

“…BlackglasTM polysiloxane systems produce silicon oxycarbide glasses by pyrolysis in inert atmosphere. The silicon oxycarbides evidence oxidative degradation…”
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Tailoring silicon oxycarbide glasses for oxidative stability: Silicon oxycarbide glasses by chemical routes by HURWITZ, F. I, MEADOR, M. A. B

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Oxidative Degradation of Nadic-End-Capped Polyimides. 2. Evidence for Reactions Occurring at High Temperatures by Meador, Mary Ann B, Johnston, J. Christopher, Cavano, Paul J, Frimer, Aryeh A

“…The oxidative degradation of PMR (for olymerization of monomeric reactants) polyimides at elevated temperatures was followed by cross-polarized magic angle…”
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7-Hydroxynadic Acid:  A New End Cap for Improved Oxidation Resistance in Addition Polyimides by Meador, Mary Ann B, Johnston, J. Christopher, Frimer, Aryeh A, Gilinsky-Sharon, Pessia, Gottlieb, Hugo E

“…We consider possible replacements for the norbornenyl end cap in addition polyimides that should favor bridge degradation and lead to lower weight loss in the…”
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Diels−Alder Trapping of Photochemically Generated Dienes with a Bismaleimide:  A New Approach to Polyimide Synthesis by Meador, Mary Ann B, Meador, Michael A, Williams, Lesley L, Scheiman, Daniel A

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Electron Paramagnetic Resonance Imaging of the Spatial Distribution of Free Radicals in PMR-15 Polyimide Resins by Ahn, Myong K, Eaton, Sandra S, Eaton, Gareth R, Meador, Mary Ann B

“…Prior studies have shown that free radicals generated by heating polyimides above 300 °C are stable at room temperature and are involved in thermo-oxidative…”
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Elucidation of the Cross-Link Structure of Nadic-End-Capped Polyimides Using NMR of 13C-Labeled Polymers by Meador, Mary Ann B, Johnston, J. Christopher, Cavano, Paul J

“…Solid NMR of 13C isotope-labeled samples of PMR-15 was used to follow the cross-linking reaction of the nadic end cap. Some samples were labeled on one of the…”
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Optimization of electrically conductive films: Poly(3-methylthiophene) or polypyrrole in Kapton by Meador, Mary Ann B., Hardy-Green, Denise, Auping, Judith V., Gaier, James R., Ferrara, Lesley Ann, Papadopoulos, Demetrios S., Smith, James W., Keller, Dennis J.

“…A method to generate conductive films composed of small amounts of conductive polymer absorbed into the surface of polyimide films has been optimized. Both…”
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Evidence for thermal dehydration occurring in Diels-Alder addition polymrs by MEADOR, M. A. B, MEADOR, M. A, MYONG-KU AHN

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