Search Results - "Sottos, Nancy R"

Biomimetic Self-Healing by Diesendruck, Charles E., Sottos, Nancy R., Moore, Jeffrey S., White, Scott R.

“…Self‐healing is a natural process common to all living organisms which provides increased longevity and the ability to adapt to changes in the environment…”
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Covalent Mechanochemistry and Contemporary Polymer Network Chemistry: A Marriage in the Making by Lloyd, Evan M., Vakil, Jafer R., Yao, Yunxin, Sottos, Nancy R., Craig, Stephen L.

“…Over the past 20 years, the field of polymer mechanochemistry has amassed a toolbox of mechanophores that translate mechanical energy into a variety of…”
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Rapid energy-efficient manufacturing of polymers and composites via frontal polymerization by Robertson, Ian D., Yourdkhani, Mostafa, Centellas, Polette J., Aw, Jia En, Ivanoff, Douglas G., Goli, Elyas, Lloyd, Evan M., Dean, Leon M., Sottos, Nancy R., Geubelle, Philippe H., Moore, Jeffrey S., White, Scott R.

“…Thermoset polymers and composite materials are integral to today’s aerospace, automotive, marine and energy industries and will be vital to the next generation…”
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Effects of chemical bonding on heat transport across interfaces by Losego, Mark D., Grady, Martha E., Sottos, Nancy R., Cahill, David G., Braun, Paul V.

“…Understanding how heat is transferred across interfaces is important for the efficiency of micro- and nanoscale electronic devices. Here, it is shown that…”
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Light-triggered thermal conductivity switching in azobenzene polymers by Shin, Jungwoo, Sung, Jaeuk, Kang, Minjee, Xie, Xu, Lee, Byeongdu, Lee, Kyung Min, White, Timothy J., Leal, Cecilia, Sottos, Nancy R., Braun, Paul V., Cahill, David G.

“…Materials that can be switched between low and high thermal conductivity states would advance the control and conversion of thermal energy. Employing in situ…”
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Regioisomer-Specific Mechanochromism of Naphthopyran in Polymeric Materials by Robb, Maxwell J, Kim, Tae Ann, Halmes, Abigail J, White, Scott R, Sottos, Nancy R, Moore, Jeffrey S

“…Transformation of naphthopyran into a colored merocyanine species in polymeric materials is achieved using mechanical force. We demonstrate that the…”
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Mechanical Reactivity of Two Different Spiropyran Mechanophores in Polydimethylsiloxane by Kim, Tae Ann, Robb, Maxwell J, Moore, Jeffrey S, White, Scott R, Sottos, Nancy R

“…We investigate the effect of pulling point location on the mechanochemical activation of two isomers of spiropyran in cross-linked polymeric materials through…”
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Continuous Self-Healing Life Cycle in Vascularized Structural Composites by Patrick, Jason F., Hart, Kevin R., Krull, Brett P., Diesendruck, Charles E., Moore, Jeffrey S., White, Scott R., Sottos, Nancy R.

“…By incorporating 3D microvascular networks containing a two‐part reactive chemistry within a fiber‐reinforced composite, continuous cycles of self‐healing…”
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Mechanically-Induced Chemical Changes in Polymeric Materials by Caruso, Mary M, Davis, Douglas A, Shen, Qilong, Odom, Susan A, Sottos, Nancy R, White, Scott R, Moore, Jeffrey S

“…Mechanically-induced chemical changes in polymers are examined. An in-depth investigation of how these changes take place reveals slippage in molecular…”
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Self-Healing of Internal Damage in Synthetic Vascular Materials by Hamilton, Andrew R., Sottos, Nancy R., White, Scott R.

“…Vascular networks of microchannels (ca. 200 μm) are employed to deliver healing agents to regions of damage within an epoxy matrix material. Mechanical…”
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Autonomous Damage Detection in Multilayered Coatings via Integrated Aggregation-Induced Emission Luminogens by Lu, Xiaocun, Li, Wenle, Sottos, Nancy R, Moore, Jeffrey S

“…Detection and assessment of small-scale damage at early stages are essential for polymeric materials to extend lifetime, avoid catastrophic structural failure,…”
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Effect of microcapsule size on the performance of self-healing polymers by Rule, Joseph D., Sottos, Nancy R., White, Scott R.

“…The influence of microcapsule diameter and crack size on the performance of self-healing materials is investigated. These epoxy-based materials contain…”
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Thermally Stable Autonomic Healing in Epoxy using a Dual-Microcapsule System by Jin, Henghua, Mangun, Chris L., Griffin, Anthony S., Moore, Jeffrey S., Sottos, Nancy R., White, Scott R.

“…Self‐healing is achieved with a dual‐microcapsule system utilizing epoxy‐amine chemistry in a high temperature cured thermosetting epoxy polymer. One capsule…”
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Self-healing thermoset using encapsulated epoxy-amine healing chemistry by Jin, Henghua, Mangun, Chris L., Stradley, Dylan S., Moore, Jeffrey S., Sottos, Nancy R., White, Scott R.

“…Self-healing was achieved with a dual-microcapsule epoxy-amine chemistry in thermoset epoxy. One capsule contained a modified aliphatic polyamine (EPIKURE…”
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Force-induced activation of covalent bonds in mechanoresponsive polymeric materials by Cremar, Lee D, Martínez, Todd J, Sottos, Nancy R, Ong, Mitchell T, Yang, Jinglei, Braun, Paul V, Davis, Douglas A, Van Gough, Dara, White, Scott R, Moore, Jeffrey S, Hamilton, Andrew, Potisek, Stephanie L

“…Mechanochemical transduction enables an extraordinary range of physiological processes such as the sense of touch, hearing, balance, muscle contraction, and…”
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Spatially Selective and Density-Controlled Activation of Interfacial Mechanophores by Sulkanen, Audrey R, Sung, Jaeuk, Robb, Maxwell J, Moore, Jeffrey S, Sottos, Nancy R, Liu, Gang-yu

“…Mechanically sensitive molecules known as mechanophores have recently attracted much interest due to the need for mechanoresponsive materials…”
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Interfacial Mechanophore Activation Using Laser-Induced Stress Waves by Sung, Jaeuk, Robb, Maxwell J, White, Scott R, Moore, Jeffrey S, Sottos, Nancy R

“…A new methodology is developed to activate and characterize mechanochemical transformations at a solid interface. Maleimide–anthracene mechanophores covalently…”
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Microencapsulation of Isocyanates for Self-Healing Polymers by Yang, Jinglei, Keller, Michael W, Moore, Jeffery S, White, Scott R, Sottos, Nancy R

“…Microcapsules containing reactive diisocyanate for use in self-healing polymers are successfully fabricated via interfacial polymerization of polyurethane…”
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Proton-Coupled Mechanochemical Transduction: A Mechanogenerated Acid by Diesendruck, Charles E, Steinberg, Brian D, Sugai, Naoto, Silberstein, Meredith N, Sottos, Nancy R, White, Scott R, Braun, Paul V, Moore, Jeffrey S

“…A novel mechanophore with acid-releasing capability is designed to produce a simple catalyst for chemical change in materials under mechanical stress. The…”
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Exploiting Force Sensitive Spiropyrans as Molecular Level Probes by Lee, Corissa K, Beiermann, Brett A, Silberstein, Meredith N, Wang, Joanna, Moore, Jeffrey S, Sottos, Nancy R, Braun, Paul V

“…Spiropyran (SP) mechanophore was synthesized into the soft or hard phase of segmented polyurethanes (SPU) and used as a molecular probe of force and…”
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